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(06·全国ⅠC.篇) A study of English learning problems was carried out among a total of 106 foreign s...
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高中英语《2012 7年高考5年模拟试题汇编：阅读理解之科普知识类》真题及答案
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B737NG的主电源是
APU发电机
APU发电机、左发（ENG）发电机
APU发电机、右发（ENG）发电机
APU发电机、左ENG发电机、右ENG发电机
根据以下提示用英语写一篇80词左右的短文文章的题目已给出每天锻炼一小时健康工作五十年幸福生活一辈子随
GUS操作站的键锁ENG代表工程师
angengingong各韵母中的韵腹是ng是
ENG方式的特点
2014年4月消息天津大学论文入选2013年度全国百篇优博论文.
两篇
五篇
十篇
一篇
B737CL的主电源是
APU发电机
APU发电机、左发（ENG）发电机
APU发电机、右发（ENG）发电机
APU发电机、左ENG发电机、右ENG发电机
已知Eng1=90Math1=80T1=2Total1=Eng1+Math1/T1则Total1=
80
90
85
170
压缩天然气的缩写
LNG
NG
ENG
JNG
电视节目制作的方式通常分为三种分别为ENGESPEFP
n和len和eng在普通话里各是两个不同的音所以兰和南陈和程 读音不同而南京话里n和len和eng没
当A/THR衔接且起作用时
推力手柄控制ENG且FCU上的A/THR接通灯亮；
推力手柄控制ENG但FCU上的A/THR接通灯不亮；
推力系统控制ENG但FCU上的A/THR接通灯不亮；
推力系统控制ENG且FCU上的A/THR接通灯亮。
电子新闻采集ENG
ENG设备
2011年全国政协办公厅选编人民网E政广场上网友的30篇E提案印发到每位全国政协委员手中2012年全
①②
①③
②④
③④
发动机反推动力来自.
两台发动机都是蓝系统
ENG2绿系统，ENG1黄系统
ENG2黄系统，ENGl绿系统
ENG2蓝系统，ENGl绿系统
学校研究生教育在规模质量结构和效益等方面协调快速发展有3篇博士论文被评为全国百篇优秀博士论文1篇MP
石磊
齐岭
王文学
林大泽
ENG
当AP1&AP2未衔接FD1和FD2衔接且起作用时
FMGEC1控制ENG1，FMGEC2控制ENG2；
FMGEC1控制ENG2；
FMGEC2控制ENG2；
D飞行操纵和发动机控制仅由一个FMGEC来控制。
学校研究生教育在规模质量结构和效益等方面协调快速发展有3篇博士论文被评为全国百篇优秀博士论文篇MPA
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Batteriescanpoweranythingfromsmallsensorstolargesystems.Whilescientistsarefindingwaystomakethemsmallerbutevenmorepowerfulproblemscanarisewhenthesebatteriesaremuchlargerandheavierthanthedevicesthemselves.UniversityofMissouriMUresearchersaredevelopinganuclearenergysourcethatissmallerlighterandmoreefficient.ToprovideenoughpowerweneedcertainmethodswithhighenergydensitysaidJaeKwonassistantprofessorofelectricalandcomputerengineeringatMU.Theradioisotope放射性同位素batterycanprovidepowerdensitythatismuchhigherthanchemicalbatteries.Kwonandhisresearchteamhavebeenworkingonbuildingasmallnuclearbatterypresentlythesizeandthicknessofapennyintendedtopowervariousmicro/nanoelectromechanicalsystemsM/NEMS.AlthoughnuclearbatteriescancauseconcernsKwonsaidtheyaresafE.Peopleheartheword‘nuclear’andthinkofsomethingverydangeroushesaidHowevernuclearpowersourceshavealreadybeensafelypoweringavarietyofdevicessuchaspace-makersspacesatellitesandunderwatersystems.Hisnewideaisnotonlyinthebattery’ssizebutalsoinitssemiconductor半导体.Kwon’sbatteryusesaliquidsemiconductorratherthanasolidsemiconductor.ThekeypartofusingaradioactivebatteryisthatwhenyouharvesttheenergypartoftheradiationenergycandamagethelatticestructureofthesolidsemiconductorKwonsaidByusingaliquidsemiconductorwebelievewecanminimizethatproblem.TogetherwithJ.DavidRobertsonchemistryprofessorandassociatedirectoroftheMUResearchReactorKwonisworkingtobuildandtestthebattery.Inthefuturetheyhopetoincreasethebattery’spowershrinkitssizeandtrywithvariousothermaterials.Kwonsaidthatbatterycouldbethinnerthanthethicknessofhumanhair.41.WhichofthefollowingistrueofJaeKwon?A.HeteacheschemistryatMU.B.Hedevelopedachemicalbattery.C.HeisworkingonanuclearenergysourcE.D.Hemadeabreakthroughincomputerengineering.42.JaeKwongaveexamplesinParagraph4_________.A.toshowchemicalbatteriesarewidelyapplieD.B.tointroducenuclearbatteriescanbesafelyuseD.C.todescribeanuclear-poweredsystem.D.tointroducevariousenergysources.43.Liquidsemiconductorisusedto_________.A.getridoftheradioactivewasteB.testthepowerofnuclearbatteries.C.decreasethesizeofnuclearbatteriesD.reducethedamagetolatticestructurE.44.AccordingtoJaeKwonhisnuclearbattery_______.A.usesasolidsemiconductorB.willsoonreplacethepresentones.C.couldbeextremelythinD.haspassedthefinaltest.45.Thetextismostprobablya________.A.sciencenewsreportB.bookreviewC.newspaperadD.sciencefictionstory
ScientistsmadeagreatbreakthroughthisyearinEnglandwhenthefirsttesttubebabywasborn.Thebirthwastheresultofmanyyearsofresearchbydoctors.Thedoctorsdidtheresearchingroupstohelpthewomenwhocannotconceiveababyinthenormalway.Whathappenedwhenthebabywasbornfromatesttube?Wellthebabydidnotliterallygrowinatesttube.Thefirststageoftheprocesswasthattheeggfromthewomanandthespermfromthemanwereputtogetherinthetesttube.Afteralltheembryowasputintothewombofawoman.Thisprocesswasdifficult.Butitwassuccessfulsothebabywaseventuallybornlikeanyotherfromawomanonlythewomanwasn'tthebaby'srealmotherbutasortofcarrierofababyproducedbyanothercouple.Obviouslythismethodistohelpthecoupleswhocan'thavechildrenbecauseofphysicalproblemsinthewoman.Butverydifficultmoralproblemsariseinthekindofsituation.Takeitforinstanceacasethathappenedthisyear.Acouplewhowantedababyadvertisedforawomantohaveachildbythefatherofthecouple.Theyofferedthewomanalotofmoney.Thewomanwasmadepregnantbyartificialinsemination;inthiscasethewomanemployedtobearthechildwasitsrealmother.Whenthebabywasbornthewomanrefusedtogiveitbacktothecouple.Butintheeyesofthelawthewomanhadarighttokeepthechildrenbecauseshewasitsbiologicalmother.Youcouldarguethatweshouldchangethelawtodealwiththiskindofsituation.Inearliertimestherewerealwayshealthybabiesneedingadoptionbecausefamilyplanningmethodswerenotsoeffectiveastheyarenow.Thesedayshowevermostofthechildrenwhocanbeadoptedareoversixyearsoldoftenhandicappedinsomeway.Soacouplewhowantayounghealthybabycannotalwaysadoptonethisiswhythetesttubebabyisindemand.Butisitnormallyrighttousethismethod?Shouldwetemperwithnatureinthisway?Evenifwechangethelawwouldthisbetherightsteptotake?64.Thebirthofthefirsttest-tubebabyisagreatadvance_____.A.onmedicalscienceB.inbirthcontrolC.ontheresearchforbabiesD.inthelivesofmarriedwomen65.Whenwesayababywasbornfromatest-tubewemean_____.A.thebabydidn'tdevelopinthewombofawomanB.thebabyhasnobiologicalparentsC.theembryowasformedinthetesttubeD.thebabygrewinthetest-tubebeforeitwasborn66.Accordingtothelawwhohasrighttokeepthebabyproducedbytheartificialmethod?A.Thecouplewhowantababy.B.Thebiologicalmotherofthechild.C.Thepersonwhopaysthemoneytotherealmother.D.Thefatherwhoadvertisesforabiologicalmother.67.Accordingtothepassagepeopleneedtest-tubebabybecause_____.A.familyplanningmethodsarenoteffective.B.theycan'talwaysadoptayounghealthybabyC.theyareunwillingtoadoptachild.D.therearesomanybabiesneedingadoption.
About97%oftheworld'swaterissaltyandisfoundinouroceansandseas.Butaswecan'tdrinkseawaterhowcanitbeimportant?Everypartofourseasandoceanscontainsanamazingnumberofanimalsandfishthatliveatdifferentoceandepths.MostofthedifferentspeciesofanimalsandfishdependonsimpleplantsfortheirfooD.Thesesimpleplantscalledalgae海藻driftnearthesurfaceoftheoceanandusesunlighttoturncarbondioxideandwaterintofoodandoxygen.InfactalgaeproduceoverhalfoftheoxygenpeoplebreathE.Howimportantseawateris!Eachplantoranimalinourseasandoceansisanimportantlinkinafoodchain.Thealgaeareeateninlargeamountsbymicroscopicanimalswhichareinturnconsumedbylargeranimals.ThesefoodchainsaredelicatelybalanceD.Thebadnewsaboutthefoodchainsintheoceansisthattheyareunderthreatbecauseofman.Peopleoncethoughtthattheoceansweresobigthatitdidn'tmatterifwedumpedrubbishintothemorcaughthugequantitiesoffishandwhalesforfooD.Butwenowknowthisisnottrueandfishstocksintheoceanshavestartedtodrop.Thankfullytheworldistakingstepstoprotectthefutureofouroceansbyintroducinginternationalagreementstoprotectmarinehabitats.Mostcountrieshaveintroducedfishingrestrictionstoprotectfishstocksintheoceansandnewtechniquesarebeingpioneeredtocopewithpollution.FinallytheimportanceofprotectingoceansisbeingmadeknowntomorepeoplE.ThisisjustthebeginningofalongprocesstoprotecttheoceansforourfuturE.Wedependontheoceansforfishwhichareanimportantpartofthehumandiet.Howimportantseawateris!6.Whichofthefollowingistheproperorderofthefoodchain?A.smallanimals→algae→microscopicanimals→largeanimals→man.B.algae→microscopicanimals→largeanimals→largeranimals→man.C.smallanimals→algae→largeanimals→microscopicanimals→man.D.microscopicanimals→algae→largeanimals→largeranimals→man.7.Peopleusedtothinkthattherubbishthrownintothesea________.A.wouldn'tharmthefishintheseaB.wouldchangethebalanceofthefoodchainC.wouldbebrokendownintheseaD.wouldn'tdomuchharmtothesea8.Fromthepassagewelearnthat________.A.mostfishandseaanimalsliveatthesurfaceoftheseasB.itisverydifficulttobreakthebalanceofafoodchainC.excessivefishinghascausedthedecreaseinfishstockD.itwon'tbelongbeforetheproblemsconcerningoceanswillbesolved9.WhichofthefollowingisNOTawaybeingusedtoprotectoceans?A.Theuseofinternationalagreements.B.Forbiddingfishingtoprotectfishstocks.C.Theuseofnewtechniques.D.Raisingpeople'sawarenessoftheneedtoprotectoceans.10.WhatwouldbetheBESTtitleofthepassage?A.Theimportanceofseawater.B.Lifeintheoceans.C.Howtoprotectfoodchains.D.Howtodealwithseawaterpollution.
ClimatechangewillforceexhaustedbirdsmigratingtoEuropefromAfricatotravelfurtherwithpossiblydisastrousconsequencesaccordingtoastudy.Theannualvoyageofsomespecieswhichflynorthinsearchoffoodandsuitablehabitatscouldincreasebyasmuchas400kilometers250milestheresearchfounD.MarathonmigrationsforsomebirdsaresettobecomeevenlongersaidStephenWillisaprofessoratDurhamUniversityinBritainandthemainarchitectofthestudy.ThisisbadnewsforbirdsliketheWhitethroatacommonfarmlandbirD.Theaddeddistanceisaconsiderablethreat.AstemperaturesriseandhabitatschangebirdswillfacetheirbiggestchallengesincethePleistoceneera更新世始于距今180万年whichended11000yearsagohesaidinastatement.Some500millionbirdsmigrateeachyearfromAfricasomeweighingaslittleasninegramsthree－tenthsofanounce.Tocompleteavoyagethatcanbethousandsofkilometerslongbirdshavetofattenthemselvesuptotwicetheirnormalweight.Someevenshrinktheirinternalorgans收缩内脏tobecomemorefuelefficientsoanyadditionaldistancemaybedangerous.Thestudyfindsthatfrom2071to2100nineoutof17speciesexaminedaregoingtofacelongermigrationsparticularlybirdsthatcrosstheSaharaDesert.SomebirdstraversetheSaharaandtheMediterraneanSeainaonegowhileothershaveabreakinnorthernAfricabeforecrossing.Manyflyatnightwhentemperaturesarecooler.Afew—suchastheBlackcap—havestartedtoadaptbyspendingwintersinBritainbutsuchbehaviourremainsexceptionalthestudysaiD.ThestudyforecaststhatthemigrationdistanceoftheOrpheanWarblerwilljumpfrom2700kilometers1700milestobetween3050and3350kilometers1900and2100mileswithevenlongerincreasesfortheSubalpineandBarredWarblers.6.Whatdoestravellingextradistancemeanforsomemigratingbirds?A.Betterlivingconditions.B.Betterphysicalhealth.C.Strongerabilitytofly.D.BiggerthreattolifE.7.Tocompletethemarathonmigrationssomebirdshavetodothefollowingexcept________.A.haveabreakinSaharaB.putonmoreweightC.reducethesizeofinternalorgansD.flyatnighttoavoidtheheat8.Whatdoestheunderlinedwordtraverseinthefourthparagraphmean?A.ExaminE.B.FacE.C.Cross.D.ChallengE.9.Whatcanweinferfromthetext?A.BirdshavetomigratefromAfricatoEuropeinwinter.B.GlobalwarmingisbadforallbirdsworldwidE.C.Birdsthatareofsmallsizedon'tneedtomigratE.D.SomebirdshavetomigrateunlesstheyadapttoclimatechangE.10.What'stheBESTtitleofthetext?A.ClimatechangeleadstodisastrousconsequenceB.TheannualvoyageofsomespeciesC.HowbirdsmigrateforlongerdistancesD.Climatechangepushesbirdstomigratefarther
TwohoursfromthetallbuildingsofManhattanandPhiladelphialivesomeoftheworld’slargestblackbears.TheyareinnorthernPennsylvania’sPoconoMountainsahometheysharewithanabundanceofotherwildlifE.Thestreamslakesmeadows草地mountainridgesandforeststhatmakethePoconosanidealplaceforblackbearshavealsoattractedmorepeopletotheregion.Openspacesarethreatenedbyplansforhousingestatesandimportanthabitatsareendangeredbyhighwayconstruction.ToprotectthePoconosnaturalbeautyfromirresponsibledevelopmenttheNatureConservancy大自然保护协会namedtheareaoneofAmerica’sLastGreatPlaces.Operatingoutofacentury-oldschoolhouseinthevillageofLongPondPennsylvaniatheconservancy’sbudCookisworkingwithlocalpeopleandbusinessleaderstobalanceeconomicgrowthwithenvironmentalprotection.BydevelopingpartnershipswithpeoplelikeFrancisAltemosetheConservancyhasbeenabletoprotectmorethan14000acresofenvironmentallyimportantlandintheareA.Altemose’sfamilyhasfarmedinthePoconoareaforgenerations.TwoyearsagoFrancisworkedwiththeConservancytoincludehisfarminacountyfarmlandprotectionprogram.Asaresulthisfamily’slandcanbeprotectedfromdevelopmentandtheAltemoseswillbebetterabletoprovideasecurefinancialfuturefortheir7-year-oldgrandson.CookowestheConservancy’ssuccessinthePoconostohavingalocalpresenceandacommitmenttoworkingwithlocalresidents.ThekeytoprotectingtheseremarkablelandsisconnectingwiththelocalcommunityCooksaiD.ThepeoplewholivethererespectthelanD.TheyvaluequietforestsclearstreamsandabundantwildlifE.Theyareeagertohelpwithconservationeffort.FormoreinformationonhowyoucanhelptheNatureConservancyprotectthePoconosandtheworld’sotherLastGreatPlacespleasecall1-888-5646864orvisitusontheWorldWideWebatwww.tnC.org.53.ThepurposeinnamingthePoconosasoneofAmerica’sLastGreatPlacesisto________.A.gainsupportfromthelocalcommunityB.protectitfromirresponsibledevelopmentC.makeitabetterhomeforblackbearsD.providefinancialsecurityforfuturegenerationsB.54.Welearnfromthepassagethat________.A.thepopulationinthePoconoareaisgrowingB.wildlifeinthePoconoareaisdyingoutrapidlyC.thesecurityofthePoconoresidentsisbeingthreatenedD.farmlandsinthePoconoareaareshrinkingfastA.55.WhatisimportantinprotectingthePoconosaccordingtoCook?A.ThesettingupofanenvironmentalprotectionwebsiteB.SupportfromorganizationslikeTheNatureConservancyC.CooperationwiththelocalresidentsandbusinessleadersD.Inclusionoffarmlandsintheregion’sprotectionprogram56.Thepassagemostprobablyis________.A.anofficialdocumentB.anewsstoryC.anadvertisementD.aresearchreport
Theamountofwaterintheworldisfinite有限的.Thenumberofpeopleisgrowingfastandwateruseisgrowingevenfaster.Globalwaterconsumptionrosesixtimesbetween1900and1995—morethandoubletherateofpopulationgrowth.Asimportantasquantityisquality—withpollutionincreasinginsomeareastheamountofuseablewaterdeclines.Andthewidereffectsofwatershortagesarejustasfrighteningastheprospectofhavingtoolittletodrink.SeventypercentofthewaterusedworldwideisusedforagriculturE.Muchmorewillbeneededifwearetofeedtheworld'sgrowingpopulation.AndconsumptionwillrisefurtherasmorepeopleexpectWestern－stylelifestylesanddiets—onekilogramofgrain－fedbeefneedsatleast15cubicmetresofwaterwhileakiloofcereals谷物needsonlyuptothreecubicmetres.Newtechnologycanhelphoweverespeciallybycleaninguppollutionandsomakingmorewateruseableandinagriculturewherewaterusecanbemadefarmoreefficient.Drought－resistant抗旱的plantscanalsohelp.Theoptimistssayvirtualwatermaysavetheday—thewatercontainedincropswhichcouldbeexportedfromwater－richcountriestodryones.Buttheamountsinvolvedwouldbehugeandtheenergyneededtotransportthewaterwouldbeenormous巨大的.Inanycaseitisnotjustuswhoneedwaterbuteveryotherspeciesthatsharestheplanetwithus.Wehavetorethinkhowmuchwaterwereallyneedifwearetolearnhowtosharetheearth'ssupply.Whiledamsandotherlarge－scaleschemesplayabigroleworldwidethereisalsoagrowingrecognitionofthevalueofusingthewaterwealreadyhavemoreefficientlyratherthanharvestingevermorefromourrivers.Formillionsofpeoplearoundtheworldgettingitrightisamatteroflifeanddeath.1.WhichofthefollowingstatementsonwaterconsumptionisNOTtrue?A.AgricultureconsumesmorethanhaftofthewaterusedintheworlD.B.Thegrowingpopulationworsensthewatershortagesituation.C.Lifestylesplayanimportantroleinwaterconsumption.D.TheWesternwayofagricultureusesmorewaterthantheAsianway.2.Virtualwaterreferstothewaterthat________.A.ishiddenincropsB.issavedinagricultureC.canbetransportedD.canbereusedwiththeaidoftheInternet3.Inthelastparagraphtheauthormainly________.A.criticizesbigprojectssuchasdamsB.criticizestheuseofriverwaterC.callsfortheprotectionofotherspeciesD.callsforthemoreefficientuseofwater4.What'sthemainideaofthetext?A.WaterismainlywastedinagriculturE.B.Waterpollutionisthreateningourhealth.C.Shortageofwaterisaveryseriousproblem.D.PopulationgrowinginfluenceswaterusE.
Australianshavebeenwarnedtheyfacealifeordeathdecisionovertheirwater－drinkrecycledsewage污水ordiE.Withthedrought干旱continuingthecountryissettobeforcedtousepurified净化的wastewaterfordrinkingeventhoughthereisgreatoppositiontothemeasurE.Queenslandhasbecomethefirststatetointroducethepolicyafterawarningfromitspremier__.IthinkintheendbecauseofthedroughtallofAustraliaisgoingtoendupdrinkingrecycledpurifiedwatersaidPeterBeattiE.ThesearedifficultdecisionsbutyoueitherdrinkwateroryoudiE.There'snochoicE.It'sliquidgoldit'samatteroflifeanddeath.BeattiesaidAustralia'ssecondlargeststatewouldbecomethefirsttouserecycledwaterfordrinking.WaterisrecycledinBritainandpartsofnorthernEuropealongwiththeUSandIsrael.ButAustralianshaverebuttedtheideA.TotrytochangethewayofAustraliansthinkPrimeMinisterJohnHowardandEnvironmentMinisterMalcolmTurnbullhavebackedQueensland'smovE.IamverystronglyinfavourofrecyclingandMrBeattieisrightandIagreewithhimcompletelyHowardsaiD.TurnbulladdedthatAustraliancitiesallnowfacingwatershortagesbecauseoftheworstdroughtonrecordmuststarttouserecycledwater.AllofourbigcitieshavetowidentherangeofwatersourcestoincludesourceswhicharenotdependentonrainfallhesaiD.1.WhatwouldtheBESTtitleforthepassagebe?A.It'sLifeorDeathB.StrugglingWithDroughtC.Australians'EffortstoSettleWaterIssuesD.DrinkingRecycledPurifiedWaterorNot2.WhichofthefollowingisTRUEaccordingtothepassage?A.Queenslandisthefirststatetouserecycledwaterfordrinkingvoluntarily.B.NoothercountriesbutAustraliaonceusedpurifiedwastewaterfordrinking.C.AustralianswellunderstandthepolicyshowingsupportandacceptancE.D.ThedroughtistheworstoneofthedroughtsrecordedinAustralianhistory.3.WhichofthefollowingisTRUEaboutTurnbull?A.HeistheAustralianEnvironmentMinisterandPrimeMinister.B.Heexpresseshisoppositiontotheideaofusingrecycledwaterfordrinking.C.Hethinksthattouserecycledwaterwillbealong－termprocess.D.HesuggestsmorewatersourcesshouldbefoundtolivethroughthehardtimE.4.TheunderlinedwordrebuttedinParagraph8probablymeans________.A.beenfondofB.objectedtoC.turnedadeafeartoD.doubted5.WhatattitudedoesQueenslandPremierPeterBeattieshowtowardsthemeasure?A.HefeelsveryglaD.B.HefeelsateasE.C.Hecan'thelpit.D.Hehaslostheart.
EdmundHalleywasanEnglishscientistwholivedover200yearsago.Hestudiedtheobservationsofcomets彗星whichotherscientistshadmadE.Theorbitofoneparticularcometwasaverydifficultmathematicalproblem.Hecouldnotfigureitout.Neithercouldotherscientistswhodealtwithsuchproblems.HoweverHalleyhadafriendnamedIsaacNewtonwhowasabrilliantmathematician.Newtonthoughthehadalreadyworkedoutthatproblembuthecouldnotfindthepapersonwhichhehaddoneit.HetoldHalleythattheorbitofacomethadtheshapeofanellipse椭圆形.NowHalleysettowork.Hefiguredout解决计算出theorbitsofsomeofthecometsthathadbeenobservedbyscientists.Hemadeasurprisingdiscovery.Thecometsthathadappearedintheyears15311607and1682allhadthesameorbit.Yettheirappearancehadbeen75to76yearsapart.ThisseemedverystrangetoHalley.Threedifferentcometsfollowedthesameorbit.ThemoreHalleythoughtaboutitthemorehisthoughtthattherehadbeenthreedifferentcometsaspeoplethought.Hedecidedthattheyhadsimplyseenthesamecometthreetimes.Thecomethadgoneawayandhadcomebackagain.Itwasanastonishingidea!Halleyfeltcertainthoughttomakeaprediction预言ofwhatwouldhappeninthefuturE.Hedecidedthatthiswouldappearintheyear1758.Therewere53yearstogobeforeHalley'spredictioncouldbetesteD.In1758thecometappearedinthesky.HalleydidnotseeitforhehaddiedsomeyearsbeforE.EversincethenthatcomethadbeencalledHalley'scometinhishonour.6.EdmundHalleyfiguredouttheorbitof______.A.somedifferentcometsappearingseveraltimesB.thesamecometappearingatdifferenttimesC.threedifferentcometsappearingatthesametimeD.severalcometsappearingatthesametime7.Halleymadehisdiscovery______.A.bydoingexperimentsB.bymeansofhisowncarefulobservationC.byusingtheworkingofotherscientistsD.bychance8.Halleymadeasurprisingbutcorrectpredictionintheyear______.A.1704B.1705C.1706D.17079.Thispassageingeneralisabout______.A.HalleyandotherscientistsB.theorbitofacometC.NewtonandHalleyD.Halleyandhisdiscovery10.WhichofthefollowingisTRUE?A.EdmundHalleywasanAmericanscientist.B.Halleymadehisdiscoverybydoingexperiments.C.IsaacNewtonwasafamousmathematician.D.TheorbitofacomethadtheshapeofarounD.
Motoristsovertheageof75facecompulsorytestsoftheireyesightandabilitytodriveunderproposalsbeingconsideredbyministers.Thebiggestoverhaulofmotoringlawinagenerationcouldalsoleadtoalldrivershavingtogiveassurances保证oftheirfitnesstogetbehindthewheelevery10years.Otherchangesunderconsiderationincludeissuing发放daylightdrivinglicensesformotoristswithnightblindnesstogetherwithstricterchecksonalldriverswhosemedicalconditionbroughtathreattootherroadusers.Itisunderstoodthattheproposalswillbepartofareviewofthelawgoverningthemedicalfitnessofdriversthatwillbeannouncedpubliclybythesummer.TheDriverandVehicleLicensingAgencyisdealingwitharisingnumberofmotoristswhoareconcernedthattheyhaveconditions---fromfailingeyesighttoepilepsy---thatcouldaffecttheirdriving.In2006theDVLAdealtwith600000motoristswhosephysicalabilitytodriveneededtoberecertified重新认证a20percentriseonthepreviousyear.Withanageingpopulationthebiggestchallengeisdealingwiththerisingnumberofelderlymotorists.By2021therewillbeanestimatedthreemilliondriversovertheageof70onBritain’sroads.Driversmustrenewtheirlicensesattheageof70andeverythreeyearsthereafter.TheapplicantislegallyrequiredtotelltheDVLAofanyconditionsthatcouldweakentheirabilitybehindthewheel.Ministershaveruledoutacompulsorymaximumagefordrivingbutwillinsteadrelyontighteningupthechecksonmotoristsovertheageof75.Themostlikelyoptionwouldbeteststoensuremotoristswerefittodrive.Theywouldincludeaneyesighttestandacognitive认知testthatwouldproveadriver'sabilitytoreacttoroadsignsdrivingconditionspedestriansandvehicles.Howeverchecksarelikelytobetightenedatallages.Thestrictestcontrolsareexpectedtobeimposed强制onmotoristsofanyagewhohavehadaheartattackorstroke.Theycouldhavetoproduceadoctor'sapprovaltoresume重新得到driving.Anyonemakingafalsedeclarationwouldbeguiltyofacriminaloffence.56.WhichofthefollowingstatementsisTRUEaccordingtothepassage?A.Thenewmotoringlawwillcomeintoeffectbythesummer.B.Driversovertheageof75mustrenewtheirlicenseseverythreeyears.C.Doctorswilldecidewhetheronecangettheirdrivinglicenses.D.Driversatallageswillbeexpectedtoprovidetheirmedicalcondition.57.WhatisthebiggestchallengetothetrafficsafetyinBritainaccordingtothewriter?A.Ageingpopulation.B.Increasingnumberofcars.C.Increasingnumberofelderlymotorists.D.Drivingconditions.58.TheunderlinedwordoverhaulinParagraph2means_______.A.changeB.considerationC.concernD.challenge59.Whatcanbelearnedfromthepassage?A.TherewillbemoreandmoreageddriversinBritain.B.Anyonecangetadrivinglicenseaslongashe/sheisingoodhealth.C.Healthtendstodeclineasonegetsold.D.Itwillbeguiltytomakeafalsedeclaration.
ThoughmucheffortandmanyresourceshavebeenspentonprotectingtheendangeredgiantpandaresearchbyaninternationalteamofscientistsshowsthatmuchsuitablepandahabitatisoutsidethenaturereservesandareaswherethepandaisreportedtolivE.ThisresearchcanhelptheChinesegovernmentandinternationalnongovernmentalorganizationsdevelopfullstrategic战略上的plansformoreeffectiveconservationofthepandasaidJianguoJackLiuMSUUniversityDistinguishedProfessoroffisheriesandwildlifE.Overallabout40percentofthesuitablehabitatforpandasisinsidethenaturereservessaidAndresVinaaspecialist.Butwehavealsoidentifiedpotentiallysuitablehabitatoutsidethereserves.Thegiantpandaistherarestmemberofthebearfamily.PandasoncerangedthroughoutmostofChinanorthernVietnamandnorthernMyanmar.Todayfewerthan1600giantpandasliveinthewildinthreeChineseprovinces;GansuShanxiandSichuan.Humanactions—includinglogging伐木residentialdevelopmentandtheexpansionoffarming—areconsideredthemainreasonsforthedramaticdecreaseofthegiantpanda’shabitat.TheresearchteamdevelopedhabitatmodelsusinggeographicalandenvironmentalinformationgatheredbysatellitesoverlaidwithinformationonpandaoccurrencE.Afteranalyzingsixmountainregionsinthethreeprovinceswherepandasareknowntolivethescientistsdevelopedahabitatsuitabilityindex索引fortheentire48328square-mileareA.Therange-widehabitatanalysismodelgivesthegovernmentandotheragenciesanewtoolastheydevelopconservationstrategiesnotonlyforpandasbutalsoformanyotherendangeredspecies.TheChinesegovernmentplanstoaddabout69500squaremilesoflandtothecountry’snaturereservesystembetween2010and2020saidZhiyunOuyangdirectoroftheLabofUrbanandRegionalErologyattheChineseAcademyofSciencesinBeijing.Soopportunitiesexisttocreatenewreservestoexpandexistingreservesandtocreatepathwaysthatincreasetheconnectivityamongthereserves.OnthebasisofourresultswesuggestsomenewareasbeincludedinChina’snaturereservesystem.66.WhichofthefollowingisNOTtrue?A.ChinahasmadelotsofeffortstoprotectthegiantpandA.B.Pandaslivebetteronlyoutsidethenaturereserves.C.Moreplansshouldbecreatedtoprotectthegiantpandas.D.LiuJianguoisaprofessorwhodevoteshimselftofisheriesandwildlifE.67.Accordingtothepassagethegiantpandas.A.havethesamelivinghabitasbearsB.areonlysuitabletoliveinGansuShanxiandSichuanC.willallbeprotectedinthenaturereservesD.areendangeredmainlyduetothedamagetotheirhabitat68.Thepurposeofdevelopinghabitatmodelsis.A.toknowwherepandasactuallyliveinChinaB.tobuildalargernaturereserveforthepandasC.todevelopconservationstrategiesforendangeredspeciesD.togivegovernmentsawarning69.Theunderlinedwordoverlaidinthefifthparagraphprobablymeans.A.coveredB.connectedC.copedD.varied70.Whatcanwelearnfromthelastparagraph?A.ZhiyunOuyanghopesmoreareaswillbecomenaturereservesinChinA.B.Chinahasabout69500squaremilesofnaturereservesnow.C.TheexistingreserveswillremainthesamE.D.Theexistingreservesshouldn’tbeexpandeD.
Afteryearsofresearchandtestingthehybridcarwasdevelopedandputonthemarket.It’saninterestingandexcitingnewimprovementintoday'sworldaswelookforbetterwaystoprotectthequalityoftheairwebreatheandconserve保持ournaturalresources.Thequalityofourairisaffectedbymanydifferentthings.Butoneofthelargestsourcesofairpollutionistheburningoffossilfuelssuchascoalandgasolinewhichisusedtopoweracar'senginE.TheEPAhassetnationalstandardstohelpcontrolthelevelofharmfulpollutantssentoffintotheairandtheautomobileindustryhasactedbyproducingahybridcarthatuseslessgasandthereforecauseslesspollution.AhybridcarisacombinationofaregularcarthatrunsongasolineandanelectriccarthatisbatterypowereD.Somepeopletendtothinkthatsincethehybridcarispartiallyelectricyouhavetoplug接通电源itintochargeit.Butthat'snothowitworks.The144-voltbatterypackisactuallyrechargedthroughtheenergythatisproducedwhenthecar'sbrakesareuseD.Thisisreferredtoasregenerativebrakingbecauseitgenerateselectricity.Althoughthehybridcarstillrunsongasolinemostofthetimethishelpsituselessgasthanaregularcar.Whenthedriverstopsatatrafficlighttheengineautomaticallyshutsofftosavefuel.Thenassoonasthedriverputsthecaringearandtouchesthegaspedaltheenginestartsbackup.Haveyoueverriddeninacarwithsomeonewhoranoutofgas?Thatprobablywouldn'thappenifyouwereridinginahybridcar.ItflashesawarningonitscomputerscreenthatsaysIamlowongas.WhenitcompletelyrunsoutthewarningreadsYOUARENOWOUTOFGAS！Thentheelectricpowersupplykicksintoletthedrivertravelafewmoremilestoagasstation.45.WhichofthefollowingisTRUEaccordingtothepassage?A.ThehybridcarwillbeputonthemarketinthenearfuturE.B.Thehybridcarsrunfasterandaremuchsaferthanregularcars.C.Whenthehybridcarstopsatatrafficlightthedriverwillgetawarning.D.Theburningoffossilfuelsisoneofthelargestsourcesofairpollution.46.Accordingtothepassagethewordhybridrefersto______.A.ahigh-techdiscoveryB.energysavingC.anewinventionD.acombinationoftwothings47.Regenerativebreakingisanimportantprocessofthehybridcarbecause______.A.itallowsthecartocometoaquickstopB.itgivesthedriverasmootherrideC.itproducesenergytochargethebatteryD.itcancontrolthespeedofthecar48.WhichofthefollowingisrightabouttheEPA?A.Theyhavedesignedhybridcarstoreduceairpollution.B.Theyhavedeclaredtheburningoffossilfuelstobeillegal.C.Theysetimportantguidelinesthathelpcontrolpollution.D.Theirmainpurposeistoprotectendangeredplantsandanimals.
InthecomputeragemostofustakeabroadbandInternetconnectionforgranted.Whethercableormobilebroadbandtoday’sconnectionsaremanytimesfasterthanthoseintheearlydays.Videosplaysmoothlycomplexwebsitesloadquicklyandfilesdownloadmuchfasterthantenyearsago.Andthefilesaremuchbiggertoo.There’sacatchofcourse.YouhavetolivenearenoughtoamajorcitytogetbroadbandInternet.Ifyoudon’tit’sslowdial-upaccessforyou.AndforthoselivingreallyfarouttheremaybenoInternetaccessatall.TechnologyexpertsoftentalkaboutthelastmileproblemwhichreferstothedifficultyofbringingInternetaccesstoremotelocations.Incitiesandsuburbsit’srelativelyeasytoprovideaccessforeveryone.Itismuchmoredifficulttodeliveraccesstothoselivingfarfromcitiesespeciallyindevelopingcountries.Internetserviceprovidersfortheirparthavebeenreluctanttoprovideaccesstosparsely稀疏地populatedareas.ThehandfulofInternetuserstheywouldreachwouldn’tcovertheexpense.ButeveryyeartechnologicaladvancementsallowofmoreandmoreInternetusers.MostbroadbandconnectionstodayrunoverexistingcableTVandtelephonelinesalthoughthesetechnologiesaren’tavailableeverywhere.SomecompanieshavedeliveredtheInternetoverstandardpowerlines.Advancementsincheapermoreefficientfiberopticscables光纤电缆promisetobringextremelyfastInternetconnectionstomoreusers.Stillthelastmileproblemremainshardtodealwith.Therewillalwaysbesomewherethatdoesn’thaveanaffordablebroadbandconnection.Butsomedaythatmightnotmatter.Iftherapidprogressincellphonetechnologyisanyindication迹象itmaynotbetoolongbeforeanInternetconnectionsimplyfollowsyouwhereveryougo.36.TheunderlinedpartacatchinParagraph2probablymeans________.A.ararechallengeB.adesirableplanC.anefficientdeviceD.ahiddenproblem37.Whatcanweknowfromthethirdparagraph?A.Internetconnectionhasnotbeenpopularinmostcities.B.Internetserviceproviderscareaboutruralcustomers.C.Computerispopularindevelopingcountries.D.ItishardtobringInternetaccesstousersinremoteareas.38.Paragraph4mainlytellsusthattechnologicaladvancements________.A.makeTVandtelephoneavailableeverywhereB.bringgreatchangetopeople’severydaylifeC.makeitpossibleformorepeopletousetheInternetD.bringfasterInternetconnectionstousers39.Whatmayeventuallysettlethelastmileproblem?A.Thebroadbandconnection’sgettingfaster.B.MoreandmoreInternetusers.C.MoreandmoreInternetconnections.D.Therapidprogressincellphonetechnology.
Whatwillmanbelikeinthefuture－in5000oreven50000yearsfromnow?Wecanonlymakeguessesofcoursebutwecanbesurethathewillbedifferentfromwhatheistoday.FormanisslowlychangingallthetimE.LetustakeanobviousexamplE.Manevenfivehundredyearsagowasshorterthanheistoday.Nowonaveragemenareaboutthreeinchestaller.Fivehundredyearsisrelativelyshortperiodoftimesowemayassumethatmanwillcontinuetogrowtaller.Againinthemodernworldweuseourbrainsagreatdeal.Evensowestillmakeuseofonlyabout20%ofthebrain'scapacity.Astimegoesonhoweverweshallhavetouseourbrainsmoreandmoreandeventuallyweshallneedlargerones!Thisislikelytobringaboutaphysicalchangetotheheadinparticulartheforeheadwillgrowlarger.NowadaysoureyesareinconstantusE.Infactweusethemsomuchthatveryoftentheybecomeweakerandwehavetowearglasses.Butoververylongperiodoftimeitislikelythatman'seyeswillgrowstronger.Ontheotherhandwetendtomakelessuseofourarmsandlegs.Theseasaresultarelikelytogrowweaker.AtthesametimehoweverourfingerswillgrowmoresensitivebecausetheyareusedagreatdealinmodernlifE.Butwhatabouthair?Thiswillprobablydisappearfromthebodyaltogetherincourseoftimebecauseitdoesnotserveausefulpurposeanylonger.InthefuturethenbothsexesarelikelytobebalD.Perhapsallthisgivestheimpressionthatfuturemanwillnotbeaveryattractivecreaturetolookat!ThismaywellbetruE.Allthesameinspiteofallthesechangesfuturemanwillstillhavealotincommonwithus.Hewillstillbeahumanbeingwiththoughtsandemotionssimilartoourown.1.Thepassagemainlytellsusthat________.A.man'slifewillbedifferentinthefutureB.futuremanwilllookquitedifferentfromusC.manisgrowingtalleranduglierastimepassesD.man'sorgans'functionswillbeonthewane2.Whatservesastheevidencethatmanischanging?A.ManhasgotstrongereyesnowthanheeverhaD.B.Man'shairisgettingthinnerandthinner.C.Man'sarmsandlegshavebecomelighterandweaker.D.Manhasbeengrowingtalleroverthepast500years.3.Thechangeinman'ssizeofforeheadisprobablybecause________.A.hemakesuseonly20%ofthebrain'scapacityB.hisbrainhasgrownlargeroverthepastcenturiesC.theother80%ofhisbrainwillgrowinduetimeD.hewillusehisbrainmoreandmoreastimegoeson4.Whatistrueaboutahumanbeinginthefuture?A.Heishairlessbecausehairisnolongeruseful.B.Hehassmallereyesandwearsbetterglasses.C.Hisfingersgrowweakerbecausehedoesn'thavetomakeuseofthem.D.Hethinksandfeelsindifferentway.5.Itisimpliedthat________.A.humanbeingswillbecomelessattractiveinthefutureB.lessuseofabodilyorganmayleadtoitsdegenerationC.humanbeingshopeforachangeinthefuturelifeD.futurelifeisalwayspredictable
Babiesborninsummeraremorelikelytobecomeshort-sightedinlatelifeastudyhasshown.Asmanyasaquarterofallcasesofshort-sightednessarecausedbytoogreatanexposuretosunlightinthefirstweeksoflifesayeyeexperts.Theyareadvisingallparentstoputsunglassesontheirbabiesduringthefirstweeks.Scientistshadalreadyestablishedthatover-exposuretosunlightcausedshortsightednessinanimals.Researcherswhocomparedthemonthsinwhichbabieswerebornwithwhethertheyneededglasseslateronsaytheprinciplealsoappliestohumans.Astudyofalmost300000youngadults-thelargestofitskind-showedthatthoseborninJuneandJulyhada25percentgreaterchanceofbecomingseverelyshort-sightedthanthoseborninDecemberorJanuary.ResearchleaderProfessorMichaelBelkinofTelAvivUniversitysaiditwasbecauseprolongedillumination光照causestheeyeballtolengthen-causingshort-sightedness.Hencethemorelightanewbornisexposedtothemoretheeyeballlengthensandtheworsetheshort-sightednesswillbe.Themechanismwhichlengthenstheeyeballisassociatedwithlevelsofmelatonin褪黑激素apigment色素whichprotectstheskinagainstharmfulraysofthesun.Inyoungbabiesnotenoughmelatoninisreleasedasprotectionmeaningtheyaremorevulnerabletosunburnandchangestoeyeballshape.SightexpertProfessorDanielO’LearyofAngliaRuskinUniversityinCambridgesaidAtthemomentwedon’tknowtheprecisecauseofwhylightexposureaffectssightbuttheevidenceseemstoprovethatitisoneofthereasonsforpeoplebecomingshortsighted.67.Babiesborninsummeraremorelikelytobeshortsighted____________.A.becausethesummersunistoostrongforbabiesB.becausebabiesborninsummerhavelengthenedeyeballsC.iftheyareexposedtomuchsunlightinthefirstweeksaftertheyarebornD.ifparentsdon’tknowaproperwaytoprotecttheirbabies’eyes68.Melatoninisakindofmaterialto___________.A.preventtheeyesfrombecomingnear-sightedB.protecttheskinfromharmfulsunraysC.makeourbodystrongD.protectbabies’eyesfromsummersun69.FromwhatProfessorDanielO’Learysayswecanconcludethat___________.A.thereisnoevidencethatshortsightednessisrelatedtoexposuretosunlightB.whetherlightexposureaffectssightstillneedstobefurtherprovedC.hebelievesthatlightexposurecancauseshortsightednessD.hetriestogivethecauseofwhylightexposureaffectssight70.Theunderlinedwordvulnerableinthepassageprobablymeans__________.A.easytobeharmedB.resistantC.protectiveD.changeable
TheiPhonetheiPad:eachofApple’sproductssoundscoolandhasbecomeafad一时的风尚.Applehascleverlytakenadvantageofthepoweroftheletteri–andmanyotherbrandsarefollowingsuit.TheBBC’siPlayer–whichallowsWebuserstowatchTVprogramsontheInternet–adoptedthetitlein2008.A.lovelybear–popularintheUSandUK–thatplaysmusicandvideoiscallediTeddy.A.slimmed-downversionofLondon’sIndependentnewspaperwaslaunchedlastweekunderthenamei.Ingeneralsingle-letterprefixeshavebeenpopularsincethe1990swhentermssuchase-mailande-commercefirstcameintousE.MostiproductsaretargetedatyoungpeopleandconsideringthemajorreadersofIndependent’siit’snosurprisethatthey’veselectedthisfashionablenamE.Butit’shardtoseewhat’ssospecialabouttheletteri.Whynotuseaborcinstead?AccordingtoTonyThorneheadoftheLanguageCenteratKing’sCollegeLondoniworksbecauseitsmeaninghasbecomeambiguous.WhenAppleusesinooneknowswhetheritmeansInternetinformationindividualorinteractiveThornetoldBBCMagazines.EvenwhenApplecreatedtheiPoditseemsitdidn’thaveonecleardefinitionhesays.HoweverthankstoApplethetermisnowassociatedwithportability轻便.addsThornE.ClearlytheletterialsoagreeswiththeideathattheWesternWorldiscenteredontheindividual.Eachpersonbelievestheyhavetheirownneedsandwelovepersonalizedproductsforthisreason.AlongwithGoogleandblogreadersofBBCMagazinesvotediasoneofthetop20wordsthathavecometodefinethelastdecadE.Butashistoryshowspeoplegrowtiredoffads.Fromthe1900sto1990sproductswith2000intheirnamesbecamefashionableastheyearwasassociatedwithallthingsadvancedandmodern.HoweverasweenteredthenewcenturythetrendinevitablydisappeareD.56.PeopleuseiPlayerto__________.A.listentomusicB.makeacallC.watchTVprogramsonlineD.readnewspapers57.WecaninferthattheIndependent’siisaimedat__________.A.youngreadersB.oldreadersC.fashionablewomenD.engineers58.Theunderlinedwordambiguousmeans__________.A.popularB.uncertainC.definiteD.unique59.Nowadaystheitermoftenremindspeopleoftheproductswhichare__________.A.portableB.environmentallyfriendlyC.advancedD.recyclable60.Thewritersuggeststhat__________.A.iproductsareoftenofhighqualityB.iTeddyisalivebearC.theletterbreplacesletteritonametheproductsD.thepopularityofiproductsmaynotlastlong
Doyouknowanythingaboutthehistoryofweather?Don’tlookatthesky.Don’tlookforoldweatherreports.Lookingatthetreeringsismoreimportant.Correctweatherreportsdatebackonlyonecenturybutsometreescanprovideanexactrecordofweatherevenfurtherback.Itisnaturalthatatreewouldgrowbestinaclimatewithplentyofsunlightandrainfall.Itisalsoexpectedthatlittlesunlightorrainfallwouldreducethegrowthofatree.Thechangefromafavorabletoanunfavorableclimatecanbefoundoutbythereadingpatternofringsinatreetrunk.Tofindouttheweatheroftenyearsagoyoucancounttheringsofatreetrunkfromtheoutsidetotheinside.Ifthetenthringisfarfromtheotherringsthenitiscertainthatplentyofsunnyandrainyweatheroccurred.Iftheringsareclosetogetherthentheclimatewasbadforthetree.Studyingtreesisimportantnotonlyforthehistoryofweatherbutalsoforthehistoryofman.InanareaofNewMexicoyoucanfindonlysand—notreesorpeople.Howevermanycenturiesagoalargepopulationlivedthere.Theyleftsuddenly.Why?A.scientiststudiedthepatternoftheringsofdeadtreesthathadgrownthere.Hemadeuphismindthatthepeoplehadtoleavebecausetheyhadcutdownallthetrees.Treeswerenecessarytomakefiresandbuildings.Soafterthepeopledestroyedthetreestheyhadtomove.Inthisexamplestudyingtreeringsuncoveredanexcitingfactaboutthehistoryofman.56.Wecanfindouttheweatheroffiveyearsagobycountingtheringsofatreetrunk____.A.fromthelefttotherightB.fromtherighttotheleftC.fromtheinsidetotheoutsideD.fromtheoutsidetotheinside57.Iftheringwasfarfromtheotherswecanconcludethattheweatherofthatyearwas______.A.badB.sunnyC.favorableD.rainy58.BystudyingtheringsofdeadtreesinanareaofNewMexicothescientistfound_______.A.whythepeoplehadtoleaveB.wherethepeoplehadtogoC.whatthepeoplehadtoeatD.howthepeopleleft59.Theancientpeopleusuallylivedwheretherewereplentyoftreesmainlybecause______.A.treesprovidedanexactrecordofweatherB.treescouldsupplythemwithfruitandfoodC.treescouldsupplythemwithshadesD.treeswerematerialsforfiresandbuildings60.BygivingtheexampleofanareaofNewMexicotheauthortriestoprove.A.treescan’tliveintheareawithoutpopulationB.thatstudyingtreesisimportantforthehistoryofmanC.whattherelationisbetweentreeringsandthehistoryofmanD.thehistoryofmanisimportantforthehistoryoftrees
Whichanimalhasthefastestsnappingjaw突然合住的颚?Ifyou’reguessingasharkorperhapsalargeranimalyou’llhavetothinksmaller.Thetrap-jawantwhichlivesinCentralandSouthAmericamovesitsmouthpartsat35to63metersperseconD.Anotherwaytothinkaboutthisisthattheant’sjawscloseat125to233kilometersperhour.That’s2300timesfasterthantheblinkofaneyE.Scientistswereabletomeasuretheamazingjawspeedusinghigh-speedvideotechniques.SheilaPatekabiologistsaysthekeyisthatthejawshaveaspringy有弹性的systemwhichiscriticalingettingexplosive爆发性的speeds.Considerabowandarrow.Ifyoutrytothrowanarrowwithyourarmitwon’tgoveryfar.Ifyouuseabowelasticenergystoredinthebowisfreedalmostimmediatelywhenyouletgoofthearrowwithyourfinger.That’sexactlywhatreallyfastorganismsaredoing.MaybeevenmoreamazingthanhowfasttheseantsgrabfoodorevenenemiesishowtheyusethissameenergytomovE.Astheantclosesitsjawsitusesthemtopushofftheground—allfasterthantheeyecanseewithoutslowmotionvideo.A.snapofthejawcansendanantupto8.3centimetersintotheair.That’slikesomeonewhois1.7metersjumping13metershigh!NotonlycantheyquicklyescapefromenemiesbutoftenagroupofantswillstartjumpingallatoncE.ItwouldbehardfortheirenemiestograbjustonE.72.Thefastspeedofthetrap-jawants’jawsliesin______.A.theirlightbodiesB.theirspringysystemsC.theirlivingenvironmentD.thelengthoftheirjaws73.Whatdoesthepassageuseabowandarrowasanexampletoshow?A.Howanarrowgetssomuchenergytofly.B.Whythetrap-jawantshaveaspringysystem.C.Whythetrap-jawants’jawsmovesofast.D.Howabowandarrowworks.74.Whichofthefollowingthingsmayamazethescientistsmost?A.Howhightheantscanleapbyusingtheirjaws.B.Howquicklythetrap-jawantscanmoveonthegrounD.C.Howwonderfullythespringysysteminthetrap-jawants’jawsworks.D.Howquicklythetrap-jawantscangrabfoodorenemies.75.Accordingtothepassagethetrap-jawants’jawskeepthemsafebecause______.A.theycancatchtheirenemieseasilywiththeirjawsB.theirjawsmakethemdifficulttorecognizeC.theirjawshelpthemtofindfoodeasilyD.theirjawshelpthemtoescapefromtheirenemies
BruceJonesthinksthereisstillahealthythirstforexplorationintounderwaterworldsonourownplanet.AftergrowingupwithhisgrandfatherwhowasinthemarineconstructionbusinessJonesquicklygotafeelforthewater.Hestarteddivingatage9andbythe1980sbeganofferingadviceforthoseinterestedinthesubmarinebusiness.By1993hewasrunninghisowncompanyU..S.Submarineswhichdesignedandbuiltsubmarinesforresortsandindividuals.Jonesplanstospend$40millioninbuildingahotelwherethemostexpensiveroomswillbe50feetundertheseaoffEleutheraIslandintheBahamas.UnliketheJulesUnderseaLodge—theonlyunderseahotelnowjustoffthecoastofKeyLargoFlA.—guestsatthePoseidonwon'tneedtoputonawetsuittogettotheirrooms.Theyalsowon'tneedtoworryaboutchangingpressurelevelssincetheroomswillbekeptatabove－surfacepressurE.Insteadtheycanmoveeasilytotheir$1500－a－nightunderwaterroomsbyescalator.IthinktherearealargenumberofpeoplewhowouldbeinterestedsaidJonesincludinganyonewhoislookingforadifferentexperiencE.Eachroomwillfeaturestrongwindowsthatlookoutontocoralgardens.Therewillbecontrolsineachroomthatguestscanusetochangethelightingoftheunderwaterworldsoutsidetheirwindowsandtoprovidefoodforfishswimmingby.BynowIenvisioned展望we'dhavewholeunderwatercitiesCraigCooperthedirectorfortheAquariusresearchstationsaiD.It'sabouttimesomeofthesevisionsbecamereality.1.WhichofthefollowingisthecorrectorderoftheeventsthathappenedtoBruceJones?A.JonesstartedrunningU..S.Submarines.B.JonesbegantolearntodivE.C.Jonesplannedtobuildanunderseahotel.D.Jonesbegangivingothersadviceonthesubmarinebusiness.A.abcdB.acbdC.bdacD.bacd2.WecanlearnfromthesecondparagraphthattheJulesUnderseaLodge________.A.liesoffEleutheraIslandintheBahamasB.isthefirstunderseahotelintheworldC.needn'tprovidewetsuitsforitsguestsD.sendsitsgueststotheirroomsbylift3.WhatdoweknowaboutBruceJones'underseahotelfromthepassage?A.ItwillbemuchcheaperthantheJulesUnderseaLodgE.B.IthastakenJones$40milliontobuildit.C.Guestsinitwillopenthewindowstogivefoodtothefish.D.Guestsinitwillseebeautifulcoralthroughthewindows.4.TheunderlinedwordPoseidoninParagraph2refersto________.A.BruceJones'underseahotelB.JulesUnderseaLodgeC.anislandoffthecoastofKeyLargoD.anothernameofEleutheraIsland5.JudgingbyCooper'swordshisattitudetowardsunderwaterhotelsis________.A.disappointedB.criticalC.objectiveD.hopeful
Whenitcomestotheworldofcomputersgreencomputingisbecomingoneofthemostpopulartrends.Butwhatisexactlyisgreencomputing?Thetermgreencomputingisonethatisbeingusedinmanydifferentmarketsandareasallovertheworldintoday’sglobaltechnology.Yetmanycomputerusersouttherearen’tsurewhatitmeans.Greencomputingisactuallyprettyeasytoexplainandtodo---itisbasicallylearningtousecomputerresourcesmoreefficientlytohelptheenvironmentaswellasmakingenergysavings.Themaingoalofagreencomputingprogramistoreducetheuseofenergyandmaterialsthatharmtheenvironment.Greencomputinghelpstopromotetheuseofbiodegradableproductsandrecyclecomputerpartswheneverpossible.Greencomputingstartedasearlyas1992whentheEPAcreatedEnergyStarwhichisavoluntarylabelingprogramthatpromotesenergyefficientcomputingequipmentandtechnologies.Itwasbecauseofthisprogramthatmanycomputermanufacturerslaunchedsleepmodeandmillionsofcomputerusersaroundtheworldbegantoadoptthispolicytohelpsaveenergywhentheywerenotusingtheircomputers.Thetermgreencomputingbegantobeusedaroundthesametimeaswellandbegantobecomeagoalthatmorecompaniesstrivetomeetovertheyears.Thereareseveralgovernmentagenciesthathavecontinuedtohelpstriveforbetterstandardsforcomputersandcompaniestohelppromotegreenpromoting.EnergyStarwasactuallyrevisedinOctoberof2006tomaketherequirementsstricterforcomputersandalsoimplementedarankingsystemforproducts.Becauseofthesenewrequirementsthereareover20statesthathavenowestablishedaspecialrecyclingprogramforoldcomputersandelectronicstohelpwithgreencomputing.Manyoftoday’sITsystemsarebeginningtorelyonbothpeopleandhardwaretohelppushtheircomputersystemstowardamoregreencomputingsystemtohelpboththecompanyandothers.Thisisahardbalancetoachieveasithastosatisfyusersmanagementandregulatorycompliance顺从.Eventhedisposalofcomputerwasteisallmanagedsothateveryoneinthecircleishappywiththeoutcome.Manycompaniesarelearningthebestwaysthattheycallgogreenerwhenitcomestotheircomputingandalsohelptheirbusinessintheprocess.Whilemanyhomecomputerusersmaynotbequiteasfamiliarwithgreencomputingaslargefirmsthistermisstartingtobecomemoremainstreamallaroundtheworldandtherequirementsfornewbettercomputerstohelpboththecompaniesandtheendusersoftheequipmentaswellasourenvironmentarebecomingmoreandmoreurgent.Greencomputing71_________Learningtomake72_________useofcomputerresourcessoastosaveenergyandprotecttheenvironment.MaingoalToreducetheuseofenergyandmaterialsthatdo73_________totheenvironment.74_________●In1992theEPAcreatedEnergyStarprogram75_________energyefficientcomputingequipmentandtechnologies.●Thenmanycomputermanufacturerslaunchedsleepmodeandmanycomputerusers76_________thepolicytosaveenergy.●In2006EnergyStarmadethecomputerrequirements77_________andimplementedarankingsystemforproducts.●At78_________over20stateshaveestablishedaspecialrecyclingprogramforoldcomputersandelectronics.Presentsituation●Greencomputingrequiresthe79_________ofusersmanagementandregulatorycompliance.●Greencomputingisbecomingmoremainstream80_________.●Newberetcomputerswillhelpbothcompaniesandusersandprotecttheenvironment.
AWhatIsA.HookwormInfection感染?Hookwormisaninfectionofoneoftwodifferent7to13mmlongroundworms.HeavyinfectionwithhookwormcancreateserioushealthproblemsfornewbornschildrenpregnantwomenandpersonswhoaremalnourisheD.Approximatelyone-quarteroftheworld’spopulationisinfectedwithhookworm.BWherearehookwormscommonlyfound?OneofthemostcommonspeciesAncylostomaDuodenaleisfoundinsouthernEuropenorthernAfricanorthernAsiaandpartsofSouthAmericA.A.secondspeciesNecatorAmericanuswaswidespreadinthesoutheasternUnitedStatesearlyinthiscentury.TheRockefellerSanitaryCommissionwasfoundedinresponseandhookworminfectionhasbeenlargelycontrolleD.CHowdoIgetahookworminfection?Youcanbecomeinfectedbydirectcontactwithcontaminated污染的soilgenerallythroughwalkingbarefootoraccidentallyswallowingcontaminatedsoil.Hookwormshaveacomplexlifecyclethatbeginsandendsinthesmallintestine肠道.Hookwormeggsrequirewarmmoistshadedsoiltohatchintolarvae幼虫.ThesebarelyvisiblelarvaeentertheskinoftenthroughbarefeetarecarriedtothelungsgothroughthebreathingtracttothemouthareswallowedandeventuallyreachthesmallintestinE.Thisjourneytakesaboutaweek.Inthesmallintestinethelarvaedevelopintohalf-inch-longwormsattachthemselvestotheintestinalwallandsuckblooD.Theadultwormsproducethousandsofeggs.TheseeggsarepassedinthehumanwastE.Iftheeggscontaminatesoilandconditionsarerighttheywillhatchmoltanddevelopintoinfectivelarvaeagainafter5to10days.DWhoisatrisk?Peoplewhohavedirectcontactwithsoilthatcontainshumanfeces粪便inareaswherehookwormiscommonareathighriskofinfection.Children—becausetheyplayindirtandoftengobarefoot—areathighrisk.Sincetransmissionofhookworminfectionrequiresdevelopmentofthelarvaeinsoilhookwormcannotbespreadpersontoperson.Contactamongchildrenininstitutionalorchildcaresettingsshouldnotincreasetheriskofinfection.E._______________Incountrieswherehookwormiscommonandre-infectionislikelylightinfectionsareoftennottreateD.IntheUnitedStateshookworminfectionsaregenerallytreatedfor1-3dayswithmedicationprescribed开药方byyourhealthcareprovider.Thedrugsareeffectiveandappeartohavefewsideeffects.Forchildrenundertheageof2thedecisiontotreatshouldbemadebytheirhealthcareprovider.59.Wecanguessthatthepassageisintendedfor__________.A.doctorsB.scientistsC.medicalstudentsD.commonreaders60.WecanimplythattheRockefellerSanitaryCommissioninthesecondparagraphis_______.A.acentreforinformationabouthookworminfectionintheUnitedStatesB.anorganizationforpreventingandtreatingthehookworminfectionC.aneducationalorganizationintheUnitedStatesinthe1950sD.anorganizationwhichidentifiesthehookwormallovertheworld61.ThebestheadingforPartE.shouldbe________.A.Whatarethesymptomsofhookworm?B.HowcanIpreventhookworm?C.WhatshouldIdoifIthinkIhaveahookworminfection?D.Whatisthetreatmentforhookworm?62.Whichofthefollowingstatementsaboutthelifecycleofhookwormsisrightaccordingtothepassage?A.HookwormeggsdevelopintohookwormlarvaeinthesmallintestinE.B.Hookwormlarvaefeedonhuman’sbloodintheintestinewalls.C.Hookwormeggswillbecomelarvaeinwarmmoistshadedsoil.D.HookwormlarvaewillbecomehookwormeggsinhumanwastE.
Dogsaresocialanimalsandwithoutpropertrainingtheywillbehavelikewildanimals.Theywillsoilyourhousedestroyyourbelongingsbarkexcessivelyfightotherdogsandevenbiteyou.Nearlyallbehaviorproblemsareperfectlynormaldogactivitiesthatoccuratthewrongtimeorplaceoraredirectedatthewrongthing.Thekeytopreventingortreatingbehaviorproblemsislearningtoteachthedogtoredirectitsnormalbehaviortooutletsthatareacceptableinthedomesticsetting.Oneofthebestthingsyoucandoforyourdogandyourselfistotrainittoobey.Obedience服从顺从trainingdoesn'tsolveallbehaviorproblemsbutitisthefoundationforsolvingjustaboutanyproblem.Trainingopensupalineofcommunicationbetweenyouandyourdog.Effectivecommunicationisnecessarytoinstructyourdogaboutwhatyouwantittodo.Trainingisalsoaneasywaytoestablishthesocialrankorder.Whenyourdogobeysasimplerequestofcomeheresititisshowingobedienceandrespectforyou.Itisnotnecessarytoestablishyourselfastopdogorleaderofthedogpackbyusingextrememeasures.Youcanteachyourdogitssubordinate次要的rolebyteachingittoshowsubmission屈从toyou.MostdogsloveperformingtricksforyoutopleasantlyacceptthatyouareinchargE.Trainingshouldbefunandrewardingforyouandyourdog.ItcanenrichyourrelationshipandmakelivingtogethermoreenjoyablE.A.well-traineddogismoreconfidentandcanmoresafelybeallowedagreateramountoffreedomthananuntrainedanimal.47.BehaviorproblemsofdogsarebelievedtoA.worseninmodernsocietyB.occurwhentheygowildC.bejustpartoftheirnatureD.can’tbesolved48.Effectivecommunicationbetweenadoganditsowneris_______.A.anextrememeasureinobediencetrainingB.agoodwaytoteachthedognewtricksC.thefoundationfordogstoperformtasksD.essentialtosolvingthedog'sbehaviorproblems49.Whydopetdogsloveperformingtricksfortheirmasters?A.Toshowtheirwillingnesstoobey.B.Toshowtheiraffectionfortheirmasters.C.ToavoidbeingpunisheD.D.Towinleadershipofthedogpack.50.Whatisthemainideaofthispassage?A.Methodsofthedog’sobediencetraining.B.Methodsofthedog’sfeeD.C.Behaviorproblemswiththedog’sobediencetraining.D.Communicatingwithyourdog.
PhillipIslandPenguins企鹅TheLittlePenguinhascalledPhillipIslandhomeforuntoldgenerations.GettoPhillipIslandinplentyoftimetowatchasummersunsetatSummerlandBeach-thestageisattractivelysettoseetheLittlePenguinleavewaterandstepontolanD.•LeaveMelbourncat5:30pmforadirectjourneytoPhillipIsland•SeetheGippslandarea-GuinnessBookofRecordsplacefortheworld’slongestearthoworm蚯蚓•JourneyalongthecoastalhighwayaroundtheBaywithFrenchIslandandChurchillIslandinthedistance•CrossthebridgeatSanRemotoenterPhillipIsland-naturalhomeforLittlePenguinsandmanyanimals•TakeyourplaceinspecialviewingstandstowatchthedailyeveningperformanceofthewildLittlePenguinsUltimatePenguins+UJoinagroupofupto15.ThisguidedtourgoestoanattractivequietbeachtoseeLittlePenguins.Youcanseepenguinsatnightbywearingaspecialpairofglasses.Adult$60.00Child$30.00ViewingPlatformPenguinPlus+VMorepersonalizedwildlifeviewinglimitedto130peopleprovidingcloserviewingofthepenguinarrivalthanthemainviewingstands.Adult$25.00Child$12.50PenguinSkybox+SJoinagroupofonly5inthecomfortofaspecialhigher-upviewingtower.GainanexcellentoverviewofSummerlandBeach.Adult16yrs+$50.0043.Whatkindofpeopleisthetextmainlywrittenfor?A.Scientists.B.Students.C.Tourists.D.Artists.44.WecanlearnfromthetextthatLittlePenguinsA.havebeenonPhillipIslandforyearsB.keepaGuinnessrecordfortheirsizeC.aretrainedtopracticedivingforvisitorsD.liveinlargegroupstoprotectthemselves45.Howmuchwouldacouplewithonechildpayforacloserviewingtour?A.$37.50.B.$62.50.C.$180.00.D.$150.00.
Inthelate1960smanypeopleinNorthAmericaturnedtheirattentiontoenvironmentalproblemsandnewsteel-and-glassskyscrapers摩天大楼werewidelyblamed.Ecologists生态学者pointedoutthatmanytallbuildingsinacityoftencausetransportationandparkingproblems.Skyscrapersarealsowastefulconsumersofelectricity.Inonerecentyear17millionsquarefeetofskyscraperofficespaceinNewYorkCityraisedthehighestdailydemandforelectricityby120000kilowatts—enoughtosupplytheentirecityofAlbanyforaday.Glass-walled玻璃幕墙skyscraperscanbeespeciallywastefulTheheatlossorgainthroughawallofhalf-inchglassismorethantentimesthatthroughatraditionalwallfilledwithinsulationboard隔热板.Toreducetheburdenonheatingandair-conditioningequipmentbuildersofskyscrapershavebeguntousedouble-glazedpanelsofglass双层玻璃板andreflectiveglassescoveredwithalayerofsilverorgoldmirrorthatreducetheunpleasantbrightlightaswellasheatgain.Howeverglass-walledskyscrapersraisethetemperatureofthesurroundingairandaffectneighboringbuildings.Skyscrapersputaheavyburdenonacity'spublicfacilitiestoo.IffullyoccupiedtheformertwoWorldTradeCentertowersinNewYorkCitywouldaloneproduce2.25milliongallonsofwastewatereachyear—asmuchasacitythesizeofStamfordwhichhasapopulationofmorethan109000.Skyscrapersalsoinfluencetelevisionreceptionblockbirdflywaysandaffectairtraffic.InBostoninthelate1960ssomepeopleevenfearedthatshadowsfromskyscraperswouldkillthegrassonBostonCommon波士顿公园.Stillpeoplecontinuetobuildskyscrapersforallthereasonsthattheyhavealwaysbuiltthem—personalambitionasenseofprideandthedesireofownerstohavethelargestpossibleamountofspaceforrent.71.Themainpurposeofthepassageisto_____.A.explainvariousbuildingstructuresB.compareskyscraperswithothermodernbuildingsC.discusstheadvantagesanddisadvantagesofskyscrapersD.describeskyscrapersandtheirinfluenceontheenvironment72.Accordingtothepassagewhatisonedisadvantageofskyscrapersthathaveglasswalls?A.Constructiontimeisincreased.B.Thesurroundingairisheated.C.Thebuildingmaterialsareveryexpensive.D.Suchbuildingsleadtoclimatechange.73.AccordingtothepassagewhichaspectofskyscrapersweresomeresidentsofBostonworriedaboutinthelate1960's?A.TheinfluenceonairtrafficB.Theharmfuleffectsonthecity'splants.C.ThepoorreceptionofradioandTVsignals.D.Theremovaloftreesandgrassfrombuildingsites.74.Whichofthefollowinggroupswouldtheskyscraperissueconcernmost?A.Collegestudents.B.Televisionviewers.C.Environmentalists.D.Electricalengineers.75.WhichofthefollowingisNOTtrueaccordingtothepassage?A.Theskyscrapersfirstappearedinthelate1960s.B.Wherethereareskyscraperstelevisionreceptionispoorer.C.TheformertwoWorldTradeCentertowersareskyscrapers.D.Skyscrapersprovidemoreusablespacethanotherbuildings.
AstronautsaboardthespacestationcelebratedaspacefirstonWednesdaybydrinkingwaterthathadbeenrecycledfromtheirurine尿sweatandwatergotfromair.TheysaidcheersclickeddrinkingbagsandtoastedNASAworkersonthegrounD.TheurinerecyclingsystemisneededforastronautstationsonthemoonandMars.ItalsowillsaveNASAmoneybecauseitwon’thavetoshipupasmuchwatertothestationbyspaceshuttlesorcargorockets.Besidesit’simportantasthespacestationisabouttoexpandfromthreepeoplelivingonboardtosix.TherecyclingsystemhadbeenbroughtuptothespacestationlastNovemberbyspaceshuttlesEndeavourbutitcouldn’tbeuseduntilsamples样品weretestedbackonearth.SowhenitcametimetoactuallydrinkupNASAmadeabigdealofit.Thethree-mancrewstoodholdingtheirdrinksandcongratulatedengineersintwoNASAcentresthatworkedonthesystem.ThisissomethingthathadbeenthestuffofsciencefictionAmericanastronautMichaelBarrattsaidbeforetakingasmallmouthful.Thetasteisworthtrying.Thenewsystemtakesthecombinedurineofthecrewfromthetoiletmovesittoabigtankwherethewaterisboiledoffandthevapor水蒸气iscollecteD.Therestoftheurineisthrownaway.Thenthewatervaporismixedwithwaterfromairandthenitgoesthroughfilters过滤器Whensixcrewmembersareaboarditcanmakeaboutsixgallonsfromurineinaboutsixhours.SomepeoplemayfindtheideaofdrinkingrecycledurinedistastefulbutitisalsodoneonearthbutwithalotlongertimebetweenurineandthetapsaidMarybethEdeenthespacestation’snationallabmanager.ThetechnologyNASAdevelopedforthissystemhasalreadybeenusedforquickwaterpurificationafterthe2004Asiantsunami.71.Accordingtothetexttherecyclingsystemisimportantbecause_____.A.itmakestravelingtothemoonfortheaveragepersonpossiblE.B.withitNASAwon’tneedtoshipanywaterupthespacestation.C.itcanhelpmeettheneedformorewaterafterthecrewisexpandeD.D.itprotectstheenvironmentinspacebyreducingtheamountofwastE.72.What’stheRRIGHTtimeorderofthefollowingevents?A.Thesamplesoftherecycledwaterweretestedonearth.B.AstronautscelebratedthespacefirstofmakingwaterfromurinE.C.Therecyclingsystemwasbroughtuptothespacestation.D.Thetechnologyforthesystemwasusedtoquicklypurifywater.A.adcbB.acbdC.dacbD.dcab73.FromParA.5wecanknow_____.A.thetheorybehindtherecyclingsystemB.theeffectoftherecyclingsystemC.theprocessofrecyclingurineD.anopiniononrecyclingurine74.WhatdidEdeensayaboutrecycledurineandtherecyclingsystem?A.Thetasteofrecycledurineisnotasgoodasthatofcommonwater.B.TherecyclingsystemhasmadeasciencefictionstorycometruE.C.Theideaofdrinkingrecycledurinemakesastronautsfeelunpleasant.D.IttakesalongertimeonearthtomakewaterfromurinethaninspacE.75.Whatisthebesttitleforthepassage?A.TheResearchofNASAHasMadeGreatProgress.B.NewTechnologyIsUsedintheSpaceStation.C.Drinkup:SpaceStationRecyclesUrinetoWater.D.GoodNews:WaterRecycledfromUrineTastesGooD.
Ourbrainsworkincomplexandstrangeways.Therearesomepeoplewhocancalculatethedayoftheweekforanygivendatein40000yearsbutwhocannotaddtwoplustwo.Otherscanperformcomplexclassicalpianopiecesafterhearingthemoncebuttheycannotreadorwrite.Dr.J..LangdonDownfirstdescribedthisconditionin1887.Hecalledthesepeopleidiotsavants.Anidiotsavantisapersonwhohassignificantmentalimpairment损伤suchasinautismorretardation.Atthesametimethepersonalsoexhibitssomeextraordinaryskillswhichareunusualformostpeople.Theskillsofthesavantmayvaryfrombeingexceptionallygiftedinmusicorinmathematicsorhavingaphotographicmemory.Oneofthefirstdescriptionsofahumanwhocouldcalculatequicklywaswrittenin1789byDr.BenjaminRushanAmericandoctor.HispatientThomasFullerwasbroughttoVirginiaasaslavein1724.IttookThomasonly90secondstoworkoutthatamanwhohaslived70years17daysand12hourshaslived2210500800seconds.Despitethisabilityhediedin1790withouteverlearningtoreadorwritE.Anotheridiotsavantslavebecamefamousasapianistinthe1860s.BlindTomhadavocabularyofonly100wordsbutheplayed5000musicalpiecesbeautifully.IntheexcellentmovieRainManmadein1988andavailableonvideocassetteDustinHoffmanplaysanidiotsavantwhoamazeshisbrotherplayedbyTomCruisewithhisabilitytoperformcomplexcalculationsveryrapidly.Todaywemoreclearlyrecognizethattheidiotsavantisspecialbecauseofbrainimpairment.Yetnotallbrainimpairmentleadstosavantskills.Somestudieshaveshownthatpeoplewhohavepurposefulinterruptionoftheleftsideofthebraincandevelopidiotsavantskills.Howeverfewpeoplewishtoparticipateinsuchexperiments.Therearemanyexcellentreasonsfornotundergoingunnecessaryexperimentationonone'sbrain.Thetermidiotsavantisoutdatedandinappropriate.Virtuallyallsavantshaveahighdegreeofintelligenceandarethusnotidiots.73.Whatdoesthepassagemainlytalkabout?A.Idiotsavantshaveareasofoutstandingabilities.B.HumanBeingshavecomplicatedthinkingprocess.C.ThebrainsoftheidiotsavantsarepartlyimpaireD.D.Thereasonswhypeoplehavewonderfulskillsvary.74.Whatcanyouinferfromthepassage?A.Idiotsavantscanplaymanypianopiecesbutcan’tsing.B.Dr.Downisthefirstpersonwhofoundidiotsavants.C.Fewpeoplewishtoriskbecomingsavantsbybrainoperations.D.Intentionalleftbrainimpairmentswillsurelyleadtoidiotsavants.75.WhichofthefollowingcanbedonebyRainMan?A.Hecanplaywonderfulpiecesofclassicalmusic.B.Hecanguessoutexactlythelengthofaman’slife.C.Hecanmemorizethecontentsofthepicturesfast.D.Hecanfigureoutthecostsofadealquickly.
Howtoeathealthfullycanbeespeciallycomplexforworkingwomenwhooftenhaveneitherthedesirenorthetimetocookforthemselvesorforanyoneelse.Registereddietitian营养专家BarharaMorrisseysuggeststhatafewsimplerulescanhelp.Gofornutrientdensefoodsshesuggestsfoodsthatcontainamultipleofnutrients.ForexampleselectwholewheatbreadasabreakfastfoodratherthancoffeecakE.Ordrinkorangejuiceratherthanorangedrinkwhichcontainsonlyasmallpercentageofrealjuice—therestislargelycolouredsugarwater.Youjustcan'tcomparethevalueofthesefoodsthenutrientdenseonesaresosuperiorsheemphasizes.Morrisseybelievesthatvarietyisnotonlythespiceoflife—it'sthefoundationofahealthfuldiet.Dietswhicharebasedononeortwofoodsarenotonlyvirtuallyimpossibletokeepupthestrengththeycanbeveryharmfulshesaysbecausenutrientsaren'tsuppliedinsufficientamountsorbalancE.AccordingtoMorrisseytryingtofindadietthatcancureyourillnessesormakingyousuperwomanisa_fruitless_search.AswomenmanyofusaretooconcernedwithstayingthinshesaysandwebelievethatvitaminsaresomekindofmagiccuretoreplacefooD.Weneedcarbohydratesproteinandfat—theyarelikethewoodinthefireplacE.Thevitaminsandmineralsarelikethematchthesparkforthefuelsheexplains.Weneedthemallbutinaverydifferentproportions.Andifthefuelisn'ttherethesparkisuseless.6.Fromtheparagraphweknowthatworkingwomen________.A.thinkcookingisespeciallycomplicatedB.donotsharethesameviewswithregistereddietitiansC.arebusyandnotinterestedincookingD.arelikelytoeathealthfully7.Orangejuiceisdifferentfromorangedrinkinthat________.A.itcontainsonlyasmallpercentageofrealjuiceB.itisnaturalnutritiousandpreparedfromrealorangesC.itislargelyorange－coloredsugarwaterD.itproducesnothingbutcalories8.InParagraph4afruitlesssearchmeans________.A.aneffortwithnoresultsB.asearchforadietwithoutfruitsC.aresearchonfruitlessdietD.adietservingasmedicine9.Manywomentakeitforgrantedaccordingtopassagethat________.A.abalanceddietcanresultinbeingfatB.stayingthinandhealthyarebothpossibleC.lackofvarietyindietsleadstostayingthinD.vitaminsaresomekindofsubstitutions替代品forfood10.Byifthefuelisn'ttherethesparkisuselesstheauthormeans______.A.carbohydratesproteinandfatareenoughtosupportahumanlifeB.vitaminsandmineralsarevirtuallyofnovalueC.carbohydratesproteinandfatareasimportantasvitaminsandmineralsD.withoutcarbohydratesproteinandfatvitaminsandmineralsareofnouse
ThebrownwidowspiderbecameestablishedinSouthernCaliforniainearly2000andhasbecomepartofthelocalspiderfamilyinurbanLosAngelesandSanDiego.ThebrownwidowspideriscontinuingitsexpansioninSouthernCaliforniaandcouldpossiblymovenorthwardintoCentralCaliforniA.ThebrownwidowissuspectedtohaveevolvedinAfricaalthoughitwasfirstdescribedfromSouthAmericawhichaddsconfusionastowhereitmighthaveoriginateD.ItisatropicalandsubtropicalspiderhavingestablishedpopulationsinHawaiiFloridapartsofAustraliaSouthAfricaandJapan.InNorthAmericathebrownwidowwasrestrictedformanydecadestotheFloridapeninsulA.Howeveraroundtheyear2000itstartedshowingupinotherGulfCoaststates.BrownwidowsarenowknownfromTexastoGeorgiaandSouthCarolinA.Thebrownwidowbuildsitswebinprotectedsitesaroundhomesandinwoodyvegetationwithbranches.SometypicalsitesselectedbybrownwidowsforwebbuildingareemptycontainerssuchasbucketsandnurserypotsmailboxesentrywaycornersundereavesstorageclosetsandgaragesundercarriagesofmotorvehiclesthatarestationaryforlongperiodsandtheundersidesofoutdoorfurniturE.TheychooseplacesthataremoreexposedthansiteschosenbyblackwidowsandthereforeappeartobeathigherriskforinteractionswithhumansasfarasbitesareconcerneD.Onerecentstudydemonstratesthatthebrownwidowspiderislesspoisonousthanotherwidowspecies.Thereasonfortheweakereffectofbrownwidowbitesonhumansispossiblybecausethebrownwidowdoesnothavemuchpoisonasitslargerrelativesbutitisreallyathreattohumansastoitspoison.Thetwomajorsymptomsofabrownwidowbitewerethatthebitehurtwhenitwasgivenanditleftaredmark.Thesetwosymptomsarenotmuchdifferentfromthebiteofnormalhouseholdspiders.Thereisnospecificinformationregardingthecontrolofbrownwidowsbyfarmchemicals.Mostcurrentadviceiswhatisusedforcontrollingspidersingeneral.Thereforemostcommerciallyavailablefarmchemicalsshouldworkonbrownwidows.Avoidingamessofthehouseandthegarageshouldreducenestsitesforthem.Alsooneshouldstoregarageitemsinplasticbagswheretheremightbeinteractionswithspiders.Theseitemsincluderarelyworngarmentssuchasgardeningclothesandglovesrecreationalitemslikesportsequipmenti.E.baseballglovesandotheritemswherespiderscancrawlupintoholeswherefingerscanbeinserteD.67.Theauthorwrotethisarticleto_______.A.announcetheresultofaresearchonspidersB.introducethewaystogetridofthespidersC.reportanewfindingofthewidowspeciesD.warnreadersagainstthebrownwidow68.Fromthepassagewecanconcludethat_______.A.brownwidowsarespreadingnorthwardB.thebrownwidoworiginatedfromAfricaC.brownwidowsnowcanbefoundinallcountriesD.thereusedtobenobrownwidowsinNorthAmerica69.Thethirdparagraphismainlyabout_______.A.thebrownwidow’swebbuildingB.thecharacteristicsofthebrownwidowC.thehabitatpreferencesofthebrownwidowD.thebrownwidow’sthreatentohumanbeings70.Itcanbeinferredthat_______.A.brownwidowscanbekilledwithanyfarmchemicalsB.atpresentpeoplecanonlycontrolbrownwidowspidersC.thebrownwidowhasmorepoisonthantheblackwidowD.victimsbittenbythebrownwidowneedn’tseethedoctor
TheRiverThameswasoncedescribedasbiologically生物学地dead.A.waterwaypollutedwithsomuchindustrialwastethatnowildlifecouldsurviveinit.Buttodayithasbecomeathriving繁荣的naturalhabitatandateamofconservationistsrestoringthefamousriverhavebeenofferedatopenvironmentawardfortheirwork.Ncarly40milesoftheriverhavebeenimprovedinthelastfiveyearsthroughalmost400EnvironmentAgencyrestorationprojects.Asaresulttheriverisnowhometosome125speciesoffishwhilemanyothersarereturning.Therivermouthsupportsshellfisheriesandisanurseryground育苗场forbass鲈鱼stocksandthewaterqualityoftheThameshasimproveD.AlastairDrivertheEnvironmentAgency’snationalconservationmanagersaidthatinthelast150yearstheThameshadbeenpollutedseriouslyandthatithadtakenthousandsofpeopledecadestorestoreittoitscurrentcondition.StrictregulationsforpollutingindustriesandourworkwithfarmersbusinessesandwatercompaniestoreducepollutionandimprovewaterqualityhavehelpedtomaketheThamesalivingriveronceagain.Buthewarnedthattheriver’srecoverywasstillfragilesinceitwasunderthepressurefromagrowingpopulationandclimatechangE.HesaidadvancedprojectsandcooperationwithvariouspeopleandorganizationsaimatdealingwiththeproblemstheThamesfacesandensuring确保itstillafamousriverformanycenturiestocomE.ActorDavidSuchetaskillfulboaterandchairmanoftheRiverThamesAlliancesaidIamfortunateinmylifetohavetraveledwidelyandenjoyedmanyotherriversworldwidE.ButtheRiverThamesispricelessanditisoneofthemostglitteringjewelsinthecrownofourEnglishheritagE.BorisJohnsonMayorofLondonsaidTheThamesisoneofourmostpreciousresourcessoIamexcitedtoseethateffortstoimproveandpreserveitsgoodhealtharebeingpraisedontheworldstagE.The￡220000prizeawardedattheInternationalRiveSymposiuminAustraliawillgototheThamesRiversRestorationTrust.56.WhichoneofthefollowingstatementsisNOTtrue?A.TheRiverThameshasbecomeanurserygroundnow.B.TheRiverThameshasbeenawell-knownriverinEnglanD.C.ManyagenciestookpartintherestorationprojectsontheRiverThames.D.TheRiverThameswasoncepollutedbyindustrialwastE.57.WhatcanwelearnaboutDavidSuchet?A.Hesaidsomefactorieshavebeenregulatedtoreducepollutants.B.Heisanactorwhoisgoodatboating.C.HehastraveledtoalriversintheworlD.D.HeisamanageroftheEnvironmentAgency.58.Whatdoestheunderlinedwordfragileinthefourthparagraphmean?A.CloselyprotecteD.B.MostvisiteD.C.EasilydamageD.D.StronglypraiseD.59.WhatwasBorisJohnson’sattitudetowardsthehonor?A.ExciteD.B.MoveD.C.ConcerneD.D.DisappointeD.60.AccordingtothepassageallofthefollowingstatementsaretrueEXCEPT.A.peoplearetryingtobringmorelifetotheThamesnowadaysB.theMayorofLondonthinkstherestoringworkisworthwhileC.DavidSuchetthinkshighlyoftheThamesD.Australiawasalsoawardedinthecompetition
RadioMostteenagersnowadaysarenotregularlistenerstoradio.Theymayoccasionallytuneinbuttheydonottrytolistentoaprogramspecifically.Themainreasonteenagerslistentotheradioisformusicbutnowwithonlinesitesstreamingmusicforfreetheydonotbotheranduserscanchoosethesongstheywantinsteadoflisteningtowhattheradiopresenter/DJchooses.TelevisionMostteenagerswatchtelevisionbutusuallytherearepointsintheyearwheretheywatchmorethanaveragE.Thisisduetoprogramscomingoninseasonssotheywillwatchaparticularshowatacertaintimeaslongasitlastsbutthentheymaywatchnotelevisionforweeks.TeenagersarealsowatchinglesstelevisionbecauseofservicessuchasBBCiPlayerwhichallowsthemtowatchshowswhentheywant.WhilewatchingTVadvertisementscomeonquiteregularly18minutesofeveryhourandteenagersdonotwanttowatchthesesotheyswitchtoanotherchannelordosomethingelsewhiletheadsrun.NewspapersNoteenagerthatIknowofregularlyreadsanewspaperasmostdonothavethetimeandcannotbebotheredtoreadpagesandpagesoftextwhiletheycouldwatchthenewssummarizedontheInternetoronTV.InternetEveryteenagerhassomeaccesstotheInternetbeitatschoolorhomE.Homeuseismainlyusedforfunsuchassocialnetworkingwhilstschoolorlibraryuseisforwork.Mostteenagersareheavilyactiveonacombinationofsocialnetworkingsites.FacebookisthemostcommonwithnearlyeveryonewithanInternetconnectionregisteredandvisiting>4timesaweek.FacebookispopularasonecaninteractwithfriendsonawidescalE.ForsearchingthewebGoogleisthedominantfiguresimplybecauseitiswellknownandeasytousE.SometeenagersmakepurchasesontheInternetonsiteslikeeBaybutthisisonlyusedbyasmallpercentageasacreditcardisrequiredandmostteenagersdonothavecreditcards.ManyteenagersuseYouTubetowatchvideosusuallyanimewhichcannotbewatchedanywhereelseandsomeuseitasamusicplayerbyhavingavideowiththemusictheywanttolistentoplayinginthebackgrounD.MobilePhones99pcofteenagershaveamobilephoneandmostareqquitecapablephones.Usuallyteenagersonlyusetheirphonesfortextingcalling.Featuressuchasvideomessagingorvideocallingarenotused—becausetheyareexpensivE.ServicessuchasinstantmessagingareusedbutnotbyeveryonE.ItusuallydependswhetherthephoneisWi-FicompatiblebecauseotherwiseitisveryexpensivetogetInternetoffthephonenetwork.Asmostteenagers’phoneshaveBluetoothsupportandBluetoothisfreetheyutilizethisfeatureoften.Mobileemailisnotusedasteenagershavenoneed;theydonotneedtobeconnectedtotheirinboxallthetimeastheydon’treceiveimportantemails.Thefollowingisarecentsurveyamongteenagers:68.Thesurveycarriedoutrecentlyismainlyconcernedwith______.A.howteenagersconsumemediaB.whatelectricdevicesteenagersfavorC.whichnewtrendteenagersarefollowingD.howteenagerscontactothersandmaketheirsocialnet69.AsismentionedinthesurveythereasonwhyteenagerswatchlessTVmainlyliesinthat______.A.teenagersdonotwatchregularprogramsB.alltheTVprogramsareonforonlyafewweeksC.teenagersmayturntootherdevicestowatchtheirfavoriteD.theTVadvertscomingoneverychannelarejustthesame70.WhichofthefollowingisTRUEaccordingtothesurvey?A.RadiopresenterorDJusedtoinvitethelistenerstochoosethesongstheywant.B.ThemainsourceforteenagerstogetnewsisInternetaswellasnewspapers.C.GoogleisthemostcommonsocialnetworkingsitesduetoitsconveniencE.D.Somefeaturesofmodernmobilephonesarenotwidelyusedbyteenagers.
LaptopcomputersarepopularallovertheworlD.Peopleusethemontrainsandairplanesinairportsandhotels.TheselaptopsconnectpeopletotheirworkplacE.IntheUnitedStatestodaylaptopsalsoconnectstudentstotheirclassrooms.WestlakeCollegeinVirginiawillstartalaptopcomputerprogramthatallowsstudentstodoschoolworkanywheretheywant.Withinfiveyearseachofthe1500studentsatthecollegewillreceivealaptop.Thelaptopsarepartofa$10millioncomputerprogramatWestlakea110-year-oldcollegE.ThestudentswithlaptopswillalsohaveaccesstotheInternet.InadditiontheywillbeabletouseE-mailtospeakwiththeirteacherstheirclassmatesandtheirfamilies.Howeverthemostimportantpartofthelaptopprogramisthatstudentswillbeabletousecomputerswithoutgoingtocomputerlabs.Theycanworkwithitathomeinafastfoodrestaurantorunderthetrees-anywhereatall!BecauseofthemanychangesincomputertechnologylaptopuseinhighereducationsuchascollegesanduniversitiesisworkablE.Aslaptopsbecomemorepowerfultheybecomemoresimilartodesktopcomputers.InadditiontheportablecomputerscanconnectstudentstonotonlytheInternetbutalsolibrariesandotherresources.Statehigher-educationofficialsarestudyinghowlaptopscanhelpstudents.Stateofficialsarealsotestinglaptopprogramsatotheruniversitiestoo.AtWestlakeCollegemorethan60percentofthestaffusecomputers.Thelaptopswillallowallteacherstousecomputersintheirlessons.AsoneWestlaketeachersaidHereweareinthemiddleofVirginiaandwe’regivingstudentsawindowontheworlD.Theycanseeeverythinganddoeverything.66.Themainpurposeofthelaptopprogramistogiveeachstudentalaptopto____________.A.usefortheirschoolworkB.accesstheInternetC.workathomeD.connectthemtolibraries67.Whyisthewordspeakinthesecondparagraphinquotationmarks引号?A.Theydon’treallytalk.B.TheyusethecomputerlanguagE.C.Laptopshavespeakers.D.Noneoftheabovereasonsiscorrect.68.WhichofthefollowingistrueaboutWestlakeCollege?A.Allteachersusecomputers.B.1500studentshavelaptops.C.ItisanoldcollegeinAmericA.D.Studentstherecandoeverything.69.Awindowontheworldinthelastparagraphmeansthatstudentscan__________.A.attendlecturesoninformationtechnologyB.travelaroundtheworldC.getinformationfromaroundtheworldD.havefreelaptops70.Whatcanweinferfromthepassage?A.Theprogramissuccessful.B.TheprogramisnotworkablE.C.TheprogramistooexpensivE.D.Wedon’tknowtheresultyet.
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