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“If you talk to the plants, they will grow faster and the effect is even better if you’re a woman.”...
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高中英语《四川省雅安中学2014届高二10月月考考试试卷 试题及答案》真题及答案
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阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案
grass
trees
plants
cows
根据短文内容用方框中所给词的正确形式填空使短文完整正确有两个词是多余的Besideswellbade
阅读下面短文把A.～D.四个句子填入文中空缺处1～4使短文内容完整.然后完成第5题A.Butanyh
WithoutplantpeoplecouldnotlivE.Weeatplants.Webreat
阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案
Where
How
When
Why
根据短文内容从短文后的选项中选出能填入空白处的最佳选项选项中有两项为多于选项请把答案填在答案卷的横线
阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案
making
spending
eating
owning
MrKingafamous81.美国老师willcometo82.给我们做关于的报告English.
阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案
sun
earth
way
plants
-Whenareyougoingtogiveatalkabout18thcenturyoilpain
speak
spoken
have spoken
had spoken
Withoutplantspeoplecouldn’tlivE.Weeatplants._____3
根据短文内容从短文后的选项中选出能填入空白处的最佳选项选项中有两项为多于选项Withoutplant
WithoutplantspeoplecouldnotlivE.Weeatplants.___36_
根据短文内容从短文后的选项中选出能填入空白处的最佳选项选项中有两项为多于选项Withoutplant
Withoutplantspeoplecouldn’tlivE.Weeatplants._____3
WithoutplantpeoplecouldnotlivE.Weeatplants.Webreat
Ifthereisnoplantspeoplecouldnotlive.Weeatplants.We
Withoutplantspeoplecouldn’tlivE.Weeatplants._____3
.WithoutplantspeoplecouldnotlivE.Weeatplants.Wetak
完形填空Canflowerssing?Youmustbe1tofindtheansweris‘YES
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WinterweatherhasreturnedtonorthernareasoftheworlD.InmuchoftheUnitedStateswintermeansthereturnofsnow.Snowisaformoffrozenwater.Itcontainsmanygroupsofverysmalliceparticles颗粒calledsnowcrystals晶体.Thesecrystalsgrowfromwaterparticlesincoldclouds.Theyusuallygrowaroundapieceofdust.Allsnowcrystalshavesixsidesbuttheygrowindifferentshapes.Theshapedependsmainlyonthetemperatureandwaterlevelsintheair.Theshapeofasnowcrystalmaychangefromoneformtoanotherasthecrystalpassesthroughlevelsofairwithdifferenttemperatures.Snowcontainsmuchlesswaterthanrain.About75cmofsnowhasasmuchwateras2.5cmofrain.GenerallythecolorofsnowandiceappearswhitE.ThisisbecausethelightweseefromthesuniswhitE.Mostnaturalmaterialstakeinsomesunlight.Howeverwhenlighttravelsfromairtosnowsomelightissentbackorreflected反射.Snowcrystalshavemanysurfacestoreflectsunlight.Itisthislightthatgivessnowitswhitecolor.Muchofthewaterweusecomesfromsnow.Melting融化snowgiveswatertoriversandcrops.SnowfallhelpstoprotectplantsandsomewildanimalsfromthecolD.Freshsnowismadelargelyofairwhichiskeptamongthesnowcrystals.BecausetheairhastroublemovingthemovementofheatisgreatlyreduceD.HoweversnowisresponsibleforthedeathsofhundredsofpeopleintheUnitedStateseveryyear.ManypeopledieintrafficaccidentsonroadsthatarecoveredwithsnoworicE.71.Inthecenterofasnowcrystalthereis______.A.airB.waterC.dustD.sunlight72.Iffifteencentimetersofsnowcompletelymeltstheheightofwaterwillbe______.A.0.5centimeterB.1centimeterC.1.5centimetersD.15centimeters73.Accordingtothetextsnowlookswhitebecause_______.A.snowisactuallywhiteB.theiceparticlesarewhiteC.thereflectionoflightmakesitlookwhiteD.thereisalotofairinthesnow74.Howcansnowprotectplantsfromthecold?A.Snowgivesthemmuchheat.B.Snowturnsintowaterandwatersthem.C.Snowmakesthemkeepmoving.D.Snowcontainsairwhichhastroublemoving.75.Whatisthelastparagraphofthetextmainlyabout?A.Snowcangivewatertoriversandcrops.B.Snowcanhelpcropskeepwarminwinter.C.Snowhasbothadvantagesanddisadvantages.D.Snowisthecauseofthedeathsofmanypeople
TheweatherpredictionsforAsiain2050readlikeastoryfromadoomsdaymoviE.Manyexpertsandgreengroupsfeartheywillcometrueunlessthereisaunitedglobalefforttoholdbackgreenhousegasoutpouring.InthedecadestocomeAsia---hometomorethanhalftheworld’s63billionpeople-willchangefromoneclimateextremetoanotherwithtiredfarmersbattlingdroughtsfloodsdiseasefoodshortagesandrisingsealevels.It’snotaprettypicturesaidSteveSawyerclimatepolicyadviserwithGreenpeaceinAmsterdam.GlobalwarmingandchangesofweatherpatternsarealreadyoccurringandthereismorethanenoughcarbondioxideandothergreenhousegasesintheatmospheretodriveclimatechangefordecadestocomE.AlreadychangesarebeingfeltinAsiabutworseislikelytocomeSawyerandtopclimatebodiessayandcouldleadtomassmigrationandwidespreadhumandisasters.AccordingtopredictionsicebergswillmeltfastersomePacificandIndianOceanislandswillhavetoevacuateorbuildseadefensesstormswillbecomemoreintenseandinsectandwater-bornediseaseswillmoveintonewareasastheworldwarms.Allthiscomesontopofrisingpopulationsandearnestdemandforfoodwaterandotherresources.ExpertssayenvironmentalworseningsuchasdeforestationandpollutionwillprobablyenlargetheresultsofclimatechangE.InwhatcouldbeasignofthefutureJapanwashitbyarecordof10typhoonsandtropicalstormsthisyearwhiletwo-thirdsofBangladeshpartsofNepalandlargeareasofnortheasternIndiawerefloodedaffecting50millionpeopledestroyinglivelihoodsandmakingtensofthousandsill.Theyearbeforeawintercoldstruckandasummerheatwavekilledmorethan2000peopleinIndiA.63.Thispassageismainlyabout.A.whatkindofweatherwelikebestB.theweatherpredictionsforAsiainthefutureandthereasonsC.howtoimproveourenvironmentD.thattheworldwillnotbesuitableforustolivein64.InthefuturetheAsianfarmerswillhavetofacethefollowingexcept.A.foodshortagesB.droughtsC.warsD.floods65.Theunderlinedworddoomsdaymaygiveusthefeelingof.A.happinessB.sadnessC.peaceD.excitement66.WhichofthefollowingisNOTrightaccordingtothepassage?A.Asianclimatewillchangegreatly.B.SomeislandsmaybefloodedinthefuturE.C.Peoplemaymeetwithsomenewdiseasesbornefromwater.D.Morethan50millionpeoplehavebeenkilledinAsiatheyearbeforE.
400-year-oldplantsfromtheLittleIceAgewerebroughtbacktolifewhichcouldhelpusunderstandhowtheEarthwilldealwithclimatechangE.Moss藓类植物foundburiedbeneaththeTeardropglacier冰川onEllesmereIslandinCanadahasbeenbroughtbacktolifE.Findingssuggestthattheseplantscouldhelprepopulateregionsexposedbymeltingicecaps.PlantsthatwereburiedbeneaththickiceinCanadamorethan400yearsagoandwerethoughttohavefrozentodeathhavebeenbroughtbacktolifebyCanadianscientists.SamplesofthemossplantcoveredbytheglacierduringtheLittleIceAgeof1550to1850ADwerereplantedinalabattheUniversityofAlbertaandgrewnewstems茎.Researchersnowthinkthesefindingscangiveindicationastohowregionscanrecoverastheicecoveringthemmelts.BiologistDr.CatherineLaFargeandherteamattheUniversityofAlbertawereexploringtheregionaroundtheTeardropglacieronEllesmereIslanD.IceonEllesmereIslandregionhasbeenmeltingataroundfourmeterseachyearforthepastnineyears.ThismeansthatmanyareasoflandthatwerepreviouslycoveredbyicehavesincebeenexposeD.ManyecosystemsthatwerethoughttohavebeendestroyedduringtheLittleIceAgebetween1550and1850ADcannowbestudiedincludingmanyspeciesthathaveneverbeenstudiedbeforE.WhileexamininganexposedareaoflandLaFargeandherteamdiscoveredasmallareaofmosscalledAulacomniumturgidum.Itisatypeofbryophyte苔藓类植物plantthatmainlygrowsacrossCanadatheUSandtheHighlandsofScotlanD.DrLaFargenoticedthatthemosshadsmallpatchesofgreenstemssuggestingitiseithergrowingagainorcanbeencouragedtorepopulatE.DrLaFargetoldtheBBCWhenwelookedatthesamplesindetailandbroughtthemtothelabIcouldseesomeofthestemsactuallyhadnewgrowthofgreenbranchessuggestingthattheseplantsaregrowingagainandthatblewmyminD.Whenwethinkofthickareasoficecoveringthelandscapewe’vealwaysthoughtthatplantshavetocomefromrefugia濒绝生物保护区neverconsideringthatlandplantscomefromunderneathaglacier.It’sawholeworldofwhat’scomingoutfromunderneaththeglacierthatreallyneedstobestudieD.Theiceisdisappearingprettyfast.Wereallyhavenotexaminedallthebiologicalsystemsthatexistintheworld;wedon’tknowitall.DrLaFargetooksamplesofthemossandusingcarbon-datingtechniquesdiscoveredthattheplantsdatebacktotheLittleIceAgE.DrLaFarge’steamtookthesamplesplantedthemindishesfullofnutrient-richpottingsoilandfedthemwithwater.ThesampleswerefromfourseparatespeciesincludingAulacomniumturgidumDistichiumcapillaceumEncalyptaproceraandSyntrichiaruralis.ThemossplantsfoundbyDrLaFargearetypesofbryophytes.Bryophytescansurvivelongwintersandregrowwhentheweathergetswarmer.HoweverDrLaFargewassurprisedthattheplantsburiedundericehavesurvivedintothetwenty-firstcentury.Herfindingsappearinproceedings论文集oftheNationalAcademyofSciences.59.DrLaFarge’sresearchisofgreatimportanceto________.A.knowingwhattheplantsduringtheLittleIceAgewerelikeB.understandinghowecosystemsrecoverfromglaciers.C.regrowingmanyspeciesthathavebeendestroyedbeforE.D.figuringouttheeffectsofmeltingicecapsonmoss.60.TheunderlinedpartblewmymindinParagraph6canbestbereplacedby________.A.surprisedmeB.greatlyfrightenedmeC.putmydoubtoutofmymindD.wasexactlywhatIhadinmymind61.AccordingtothepassageAulacomniumturgidum________.A.livesbetterinsmallgroupsB.isveryactiveinhotweatherC.isstrongenoughtosurvivecoldnessD.ischosenfromCanadianrefugia62.Whichofthefollowingwouldbethebesttitleforthepassage?A.BryophyteecologyisgreatlyaffectedbyclimatechangE.B.400-year-oldmoss’ssurvivalisamysterytosolvE.C.MossinancienttimeswasdiscoveredinCanadA.D.400-year-oldplantswerebroughtbacktolifE.
Ameteorite陨石flewfastacrosstheskyandexplodedovercentralRussiaonFridayrainingfireballsoveravastareaandcausingashockwavethatsmashedwindowsdamagedbuildingsandinjuredl200peoplE.PeopleheadingtoworkinChelyabinskheardwhatsoundedlikeanexplosionsawabrightlightandthenfelttheshockwavE.AccordingtoRussianspaceagencyRoscosmosthefireballtravellingataspeedof30kmpersecondhadburntverybrightlyacrossthehorizonleavingalongwhitetrailthatcouldbeseenasfaras200kmaway.CaralarmswentoffthousandsofwindowsshatteredandmobilephonenetworksweredisrupteD.IwasdrivingtoworkitwasquitedarkbutitsuddenlybecameasbrightasifitweredaysaidViktorProkofiev36aresidentofYekaterinburgintheUralsMountains.IfeltlikeIwasblindedbyheadlights.Themeteoritewhichweighedabout20tonsandmayhavebeenmadeofironenteredEarth’satmosphereandbrokeapart30-50kmabovegroundaccordingtoRussia’sAcademyofSciences.TheenergyreleasedwhenitenteredtheEarth’satmospherewasaboutseveralthousandtonstheacademysaidthepowerofasmallatomicweaponexploding.NodeathswerereportedbuttheEmergenciesMinistrysaid20000rescueandclean-upworkersweresenttotheregionafterPresidentVladimirPutintoldEmergenciesMinisterVladimirPuchkovtoeasethedisruptionandhelpthevictims.TheInteriorMinistrysaidaboutl200peoplehadbeeninjuredatleast200ofthemchildrenandmostfrombrokenpiecesofglass.Whileeventsthisbigarerareanimpactthatcouldcausedamageanddeathcouldhappeneverycenturyorso.Unfortunatelythereisabsolutelynothingwecandotostopimpacts.51.Whendidthemeteoriteincidenthappen?A.Atmidnight.B.Intheearlymorning.C.Inthelatemorning.D.Intheevening.52.Accordingtothetextthemeteoriteexplosioncaused_________.A.somedeathsB.roadaccidentsC.communicationproblemsD.buildingcollapse53.TheRussiangovernment’sresponsetotheincidentwas________.A.alittleslowbuteffectiveB.quickandseriousC.coldandslowD.quickbutineffective54.Itcanbeinferredthatthelosscausedbymeteorites_________.A.isnearlyunavoidableB.happenseveryfewyearsC.canbeavoidedD.ishardtoestimate
Chickenfeathersareusefulandnotjusttoachicken.Somegointopillowscoatsandotherproducts.ButcountlesschickenfeathersgotowastE.IntheUnitedStatesbillionsofchickensareproducedyearly.Mostoftheirfeathersarethrownaway.Butinsteadofbeingburiedinlandsomefeatherscouldfindafutureinplastics.Oneoftheproductstheyhavedevelopedisaflowerpot花盆.Itmaylooklikeotherflowerpots.Butthecontainerbreaksdownintheearthwithinonetofiveyears.Andasitbreaksdownitnaturallybecomesnutrientinthesoil.Theenvironmentallyfriendlyflowerpotistheworkoftworesearchers.WalterSchmidtiswiththeAgriculturalResearchServicepartoftheUnitedStatesAgricultureDepartment.MasudHudaiswiththeHorticulturalResearchInstituteaprivateorganization.WalterSchmidthasbeenworkingtofindusesforchickenfeatherssincethe1990s.Progressin2002showedthatplasticmadefromfeatherscouldbeformedlikeotherplastics.Hesaysfeathersaremuchstrongerandlastlongerthananotherplantmaterial.Feathersarestronger.Bydesignfeathersarealsomoredurable耐用的.Andtheotherpartaboutitisiffeathersweretwiceasheavyorhalfasstrongthenbirdscouldn'tfly.Hepointsoutthattraditionalflowerpotsmadefromotherplasticscanlastmuchlonger.ButhewondersifthereisreallyaneeD.Hesaysmostflowerpotsareneverre-useD.Whywouldyouwantaplasticthatyouuseforayeartolastfortwohundredyears?ItmakesnosensE.YouwanttomatchtheproductwiththeusE.saidWalterSchmidt.WalterSchmidtandMasudHudaarenowaddinganotherchickenproducttotheirflowerpots—chickenwastE.Thewastewilladdmorenutrientstothesoilasthepotbreaksdown.Thescientistssaytheyhopetheirflowerpotwillbeonthemarketinayearortwo.59.Whatdopeoplemainlydealwithfeathers?A.Feathersareusedtomakepillowscoatsandotherproducts.B.Mostfeathersarepaidnoattentionto.C.Mostfeathersareusedasnutrient.D.Mostfeathersareusedtomakeflowerpots.60.What’stheadvantageoftheflowerpots?A.Theywon’tlastlong.B.Theycan’tbreak.C.Theyareenvironmentallyfriendly.D.TheycanbereuseD.61.WhatdoesWalterSchmidtthinkoftraditionalflowerpots?A.Tooheavy.B.TooolD.C.Neverre-useD.D.Lastinglongerbutunnecessary.62.Whatdoyouthinkisthemainideaofthepassage?A.Chickenanditsfeathers.B.Howtodealwithfeathers.C.Feathersmadeintoflowerpot.D.Newflowerpots.
AppleIncco-founderandformerCEOSteveJobscountedamongthegreatestAmericanCEOsofhisgenerationdiedonWednesdayattheageof56afterayears-longandhighlypublicbattlewithcancer.Jobs'deathwasannouncedbyAppleinastatementlateonWednesday.TheApple.comhomepagefeaturedablack-and-whitepictureofhimwiththewordsSteveJobsi955-2011.TheSiliconValleyiconwhogavetheworldtheiPodandtheiPhonehadresignedasCEOoftheworld'slargesttechnologycorporationinAugusthandingthepowertocurrentchiefexecutiveTimCook.Steve'sbrilliancepassionandenergywerethesourceofcountlessinnovationsthatenrichandimproveallofourlives.TheworldisimmeasurablybetterbecauseofSteveApplesaidinastatementannouncingJobs'passing.Job'shealthhadbeenacontroversialtopicforyears.HisbattlewithcancerhadbeenadeepconcerntoApplefansinvestorsandthecompany'sboardalike.Thenewsledtoanimmediateoutpouringofsympathy.AmongothersMicrosoftco-founderBilkGatessaidhewillmissJobsimmensely.AcollegedropoutBuddhistandsonofadoptiveparentsJobsstartedAppleComputerwithfriendSteveWozniakinmelate1970s.ThecompanysoonintroducedtheApple1computer-DespitehissuccessJobsrelationshinwithtopmanagementandtheboardsoureD.Thecompanyremovedmostofhispowersandthenin!985hewasfired.RememberingthatI'llbedeadsoonisthemostimportanttoolI'veeverusedtohelpmemakethebigchoicesinlifeJobssaidduringaStanfordgraduationceremonyin2005.Becausealmosteverything-allexternalexpectationsallprideallfearofembarrassmentorfailure–thesethingsjustfallawayinthefaceofdeathleavingonlywhatistrulyimportant.Rememberingthatyouaregoingtodieisthebestway!knowtoavoidthetrapofthinkingyouhavesomethingtolose.Youarealreadynaked.Thereisnoreasonnottofollowyourheart.60.WhichofthefollowingisTRUEaccordingtothetext?A.Jobsfoughtagainstcancerforyears.B.lobsfoundedtheAppleIncalone.C.JobshadneverlefttheAppleincD.JobshadbeentheCEOoftheAppleIncuntilhisdeath.61.Whatdopeoplefee!aboutJobs'death?A.happyB.sympatheticC.calmD.disappointed62.Whatdoestheunderlinedsentencemean?A.Jobsthetopmanagementandtheboardgotonwell.B.Jobsthetopmanagementandtheboarddidn'thaveagoodrelationship.C.Jobsthetopmanagementandtheboardthinkhighlyofeachother.D.Jobsmadethetopmanagementandtheboardfeelsour63.WhatCAN'TbeinferredfromJobs'words?A.Heknowshe'lldiesoon.B.Everyoneshouldfollowhisheart.C.Heusestheideaofbeingdeadsoontoencouragehimselftomakedifficultchoices.D.Mostpeopleareworriedtolosesomethingwhenmakingbigchoices.
MicefedjunkfoodforninemonthsshowedsignsofdevelopingtheabnormalbraintanglesstronglyassociatedwithAlzheimer'sdiseaseaSwedishresearchersaidonFriday.OnexaminingthebrainsofthesemicewefoundachemicalchangenotunlikethatfoundintheAlzheimerbrainSusanneAkterinaresearcherattheKarolinskaInstitutet'sAlzheimer'sDiseaseResearchCenterwholedthestudysaidinastatement.Wenowsuspectthatahighintakeoffatandcholesterol胆固醇incombinationwithgeneticfactors...canadverselyaffectseveralbrainsubstanceswhichcanbeacontributoryfactorinthedevelopmentofAlzheimer’s.Alzheimer’sdiseaseisincurableandisthemostcommonformofdementia痴呆amongolderpeoplE.ItaffectstheregionsofthebraininvolvingthoughtmemoryandlanguagE.Whilethemostadvanceddrugshavefocusedonremovingclumpsofβamyloidproteinβ淀粉蛋白thatformsplaquesinthebrainresearchersarealsonowlookingattherapiestoaddressthetoxictanglescausedbyanabnormalbuild-upoftheproteintauT形蛋白.InherresearchAkterinfocusedonagenevariant基因突变calledapoE4foundin15to20percentofpeopleandwhichisaknownriskfactorforAlzheimer’s.Thegeneisinvolvedinthetransportofcholesterol.Shestudiedmicegeneticallyengineeredtoimitatetheeffectofthevariantgeneinhumansandwhichwerefedadietrichinfatsugarandcholesterolforninemonths--mealsrepresentingthenutritionalcontentoffastfooD.Thesemiceshowedchemicalchangesintheirbrainsindicatinganabnormalbuild-upoftheproteintauaswellassignsthatcholesterolinfoodreducedlevelsofanotherproteincalledArcinvolvedinmemorystorageAkterinsaiD.AllinalltheresultsgivesomeindicationofhowAlzheimer'scanbepreventedbutmoreresearchinthisfieldneedstobedonebeforeproperadvicecanbepassedontothegeneralpublicshesaiD.61.WhatdidSusanneAkterinfindinherresearch?A.Signsofdevelopingtheabnormalbraindisorders.B.TheabnormalbraindisordersbecauseofjunkfooD.C.Akterin’sdiseaselinkedwithjunkfooD.D.ThesamechemicalchangeintheAlzheimerbrain.62.WhatisSusanneAkterin’sideaaboutAlzheimer’sdisease?A.Shethinksit’scausedbyfatandcholesterol胆固醇withgeneticfactors.B.Shedoesn’tbelievethatit’scausedbyfatandcholesterol胆固醇withgeneticfactors.C.Shedoubtswhetherit’scausedbyfatandcholesterol胆固醇withgeneticfactors.D.Shebelievesjunkfoodcausesmicetobeabnormal.63.WhichisNOTthesignofdementiaamongolderpeople?A.OftenforgettingthingsB.Oftenrepeatingthesamewords.C.OftenbeingweakD.UnabletounderstandotherpeoplE.64.Whichofthefollowingistrueaccordingtothepassage?A.It’seasytocureAlzheimer’sdiseasE.B.There’snowaytocureAlzheimer’sdiseasE.C.AkterinhasfoundAlzheimer’sdiseasE.D.Akterinremovedβamyloidproteinβ淀粉蛋白.65.WhatdoesAkterin’sexperimenttellus?A.Alzheimer’sdiseasecanbeavoideD.B.Alzheimer’sdiseaseisincurablE.C.Alzheimer’sdiseasecanbecureD.D.Micearethesameashumans.
MostanimalshavelittleconnectionwithanimalsofadifferentkindunlesstheyhuntthemforfooD.Sometimeshowevertwokindsofanimalscometogetherinapartnership伙伴关系whichisgoodforbothofthem.Youmayhavenoticedsomebirdssittingonthebacksofsheep.Thisisnotbecausetheywantaridebutbecausetheyfindeasyfoodintheparasites寄生虫onsheep.Thesheepallowthebirdstodosobecausetheyremovethecauseofdiscomfort.Soalthoughtheycanmanagewithouteachothertheydobettertogether.Sometimesanimalhasaplantpartner.Therelationshipdevelopsuntilthetwopartnerscannotmanagewithouteachother.Thisissointhecorals珊瑚oftheseA.IntheirskinstheyhavetinyplantswhichactasdustmentakingsomeofthewasteproductsfromthecoralandgivinginreturnoxygenwhichtheanimalneedstobreathE.IftheplantsarekilledorareevenpreventedfromreceivinglightsothattheycannotlivenormallythecoralswilldiE.63.Somebirdsliketositonasheepbecause_______.A.theyenjoytravellingwiththesheepB.theycaneatitsparasitesC.theydependonthesheepforexistenceD.theyfindthepositionmostcomfortable64.Theunderlinedwordtheyinthelastsentenceofthefirstparagraphrefersto______.A.birdsandparasitesB.parasitesandsheepC.birdsandsheepD.sheepbirdsandparasites65.Welearnfromthetextthatcoralsdependonplantsfor______.A.comfortB.lightC.oxygenD.food66.Whatdoesthesecondparagraphmainlydiscuss?A.Someanimalsandplantsdeveloptheirrelationshipeasily.B.SomeanimalsandplantsdependoneachotherforexistencE.C.SomeplantsdependoneachotherforfooD.D.Someanimalslivebettertogether.
Anenergywatchdogisalarmedaboutthethreattotheenvironmentfromtheincreasingelectricityneedsofgadgets小装置likeMP3playersmobilephonesandflatscreenTVs.InareporttodaytheParis-basedInternationalEnergyAgencysaysnewelectronicgadgetswillbethreetimestheirenergyconsumptionby2030to1700terawatthours千瓦时whichisequaltotoday'shomeelectricityconsumptionoftheUnitedStatesandJapancombineD.Theworldwouldhavetobuildaround200newnuclearpowerplantsjusttopoweralltheTVsiPodsPCsandotherhomeelectronicsexpectedtobepluggedinby2030whentheglobalelectricbilltopowerthemwillriseto$200billionayeartheagencysaiD.ConsumerelectronicsisthefastestgrowingareaandtheareawiththeleastamountofpoliciesinplacetocontrolenergyefficiencysaidPaulWaideaseniorpolicyanalystattheagency.Electronicgadgetsalreadyaccountforabout15percentofhouseholdelectricconsumptionasharethatisrisingrapidlyasthenumberofthesegadgetsmultiplies.Lastyeartheworldspent$80billiononelectricitytopowerallthesehouseholdelectronicstheenergyagencysaiD.MostoftheincreaseinconsumerelectronicswillbeindevelopingcountrieswhereeconomicgrowthisthefastestandownershipratesofgadgetsarethelowestWaidesaiD.Thiswilljeopardizeeffortstoincreaseenergysecurityandreducetheamountofgreenhousegasesblamedforglobalwarming.theagencysaiD.Existingtechnologies’couldcutdowngadgets’energyconsumptionbymorethan30percentatnocostorbymorethan50percentatasmallcosttheagencyestimatesmeaningtotalgreenhousegasemissions排放fromhouseholds’electronicgadgetscouldbeheldstable稳定的ataround500milliontonsofCO2peryear.55.Howmanyterawatthoursdidtheenergyconsumptionofnewelectronicgadgetsreach?A.Nearlyl700.B.Nearly600.C.About200.D.About60.56.Whatistheconditionintheareaofconsumerelectronics?A.Therearealotofrulestocontrolthemarket.B.Therearefewpoliciestocontrolenergyefficiency.C.Therearefewchoicesforthecustomers.D.Therearelotsofregulationstoprotectconsumers'rights.57.Theunderlinedwordjeopardizeinthelastparagraphprobablymeans.A.harmB.inspireC.strengthenD.encourage58.Wecanknowfromthelastparagraphthatexistingtechnologies___________.A.areabletocontrolgadgets’energyconsumptionB.coulddonothingaboutgadgets’energyconsumptionC.couldonlycutdowngadgets’energyconsumptionby30percentD.cutdowngadgets’energyconsumptionatgreatcost
Intoday’sworldofcellphonesminilaptopsandMP5playersmostpeoplehaveatleastonetime-tellingtoolwiththem.Sincethesedevicesaresocommonistimerunningoutforthe500-year-oldwatch?Accordingtosomeconsumersyes.NewJerseyteenagerCharlieWollmansaysawatchisanextrapieceofequipmentwithnonecessaryfunction.ManyyoungadultsagreeandusetheircellphonestotelltimE.Itissaidthatfeweryoungpeoplewearwatchestodaythanfiveyearsago.Asaresultsomepeopleclaimthatthewatchindustryisatacrossroads.Howeverwatchmakersoptimisticallysaythatwatchesredeempopularitywhenconsumersreachtheir20sand30s.Bythentheyarewillingtospendmoneyonaqualitywatchthatdoesn’tjustkeepgoodtimE.Fiftyyearsagowatchmakersboastedabouttheirproducts’accuracy.Butinrecentyearsthewatchindustryhastransformeditselfintoanaccessory饰品business.Andformanytodaytheimageawatchcommunicateshasbecomemoreimportantthanthetimeittells.Complications---featuresthatgobeyondsimpletimekeeping---areanimportantpartofawatch’simagE.Today’swatchesofferlotsoffeaturesthatmeetalmostanypersonality.ThesefeaturesincludecompasseslunarcalendarsUSBdrivesandevendevicesthatmeasuretheeffectivenessofgolfswings挥棒方式!Creativityisalsoakeyelementintoday’swatches.ForexampleJapanesewatchmakerTokyoflashmakeswatchesthatdon’tevenlooklikewatches.Thecompany’spopularShinshokumodelusesdifferentcolorlightstotellthetimE.Itlooksmorelikeafashionablebracelet手镯thanawatch.Whetherawatchcommunicatesfashionsensecreativegiftoraloveofsportsconsumerswanttheirtimepiecestostandout.Nowadayseveryonehasthesamekindofgadget小玩意儿intheirbagssopeoplewanttomakeastatementwithwhat’sontheirwrists.Willthisinterestinwristfashionlast?Onlytimewilltell!56.TheunderlinedwordredeeminParagraph2canbebestreplacedby__________.A.enlargeB.regainC.proveD.lose57.Accordingtothepassageamulti-functionwatchcan_________.A.storethelistofphonenumbersB.remindyouofyourdailyaffairsC.beusedasacalculatorD.showthedirection58.InParagraph4JapanesewatchmakerTokyoflashismentionedto_________.A.provetoday’swatchesarefashionableB.compareawatchwithacoolbraceletC.showhowpopularShinshokuwatchesarE.D.stressit’sTokyoflashthatmakesShinshokuwatches59.Whatmightbethemostsuitabletitleforthepassage?A.JapanesewatchesstandoutB.WatchindustryisinabadsituationC.WatchestellmorethantimeD.Watchesarebecominglesspopular
AsweallknowtheDragonBoatFestivalisourcountry’straditionalfestivalbutdoyouknowthereisalsoaDragonBoatFestivalinSouthKoreawhichalsofallsonMay5ofthelunarcalendar阴历IthasbeenreportedthatSouthKoreawillapplytoUnitedNationsEducationalScientificandCulturalOrganizationUNESCO联合国教科文组织tomakethecelebrationoftheDragonBoatFestivalitsownintangibleculturalheritage非物质的文化遗产.IfsuccessfulpeoplefromothercountriesmayseetheDragonFestivalasaKoreancreation.Asthebirthplaceoftheyearlyeventmorethan2000yearsagoChinaisnothappywiththesituation.ItwouldbeashameifanothercountrysuccessfullymadeatraditionalChinesefestivalpartofitsownculturalheritageaheadofChinasaidZhouHepingdeputy副cultureminister.TheChineseMinistryofCultureiseventhinkingofmakingitsownapplication申请toUNESCOcoveringalltraditionalChinesefestivalsincludingtheDragonBoatevent.ItisthoughtthatthefestivalisheldinmemoryofthegreatpoetQuYuan340－278BCwholivedintheStateofChuduringtheWarringStatesPerioD.Quwasknowntobeapatriot爱国者andadmiredbyordinarypeoplE.HeissaidtohavejumpedintoMiluoRiverbecausehehadlosthopeinhiscountry’sfuturE.WhenpeopleheardaboutQu’sdeaththeysailedupanddowntheriversearchingforhisbody.TheyalsobeatthedrumstofrightenawaythefishandthrewZongziintothewatertostopthefishtouchingQu.Dragonboatracingissaidtocomefromthissearchforthepoet’sbody.OvertheyearstheDragonBoatFestivalhasspreadthroughouttheworlD.InJapanandVietnamaswellasSouthKoreathefestivalhasmixedwithandbecomepartofthelocalculturE.49.TheDragonBoatFestival.A.isalsokeptbySouthKoreaB.comesfromSouthKoreaC.wascreatedbySouthKoreaD.isSouthKorea’sculturalheritage50.Whatisthereaction反应oftheChineseMinistryofCulturetoSouthKorea’splanningtomaketheDragonBoatFestivalitsownculturalheritageA.FightingagainstSouthKoreA.B.TellingSouthKoreait’snotrighttodoso.C.Consideringtodothesimilarthing.D.AskingSouthKoreanottodoso.51.WhatisthepurposeofholdingtheDragonBoatFestivalA.InmemoryofQuYuan.B.InmemoryofallthepatriotsofChinA.C.Tofrightenawaythefish.D.InhonorofQuYuan’sbirthday.52.AfterQuYuan’sdeathZongziwasthrownintothewaterto.A.feedhimB.protecthisbodyfromgoingbadC.preventthefishbitinghisbodyD.attracthissoul53.NowtheDragonBoatFestivalhasbecomeactivity.A.anationwideB.aworldwideC.anAsianD.aforeign
Readingtodogsisanunusualwaytohelpchildrenimprovetheirliteracyskills读写能力.WiththeirshiningbrowneyeswaggingtailsandunconditionallovedogscanprovidethenonjudgmentallistenersneededforabeginningreadertogainconfidenceaccordingtoIntermountainTherapyAnimalsITAinSaltLakeCity.ThegroupsaysitisthefirstprograminthecountrytousedogstohelpdevelopliteracyinchildrenwiththeintroductionofReadingEducationAssistanceDogsREAD.TheSaltLakeCityPublicLibraryissoldontheideA.Literacyspecialistsadmitthatchildrenwhoreadbelowtheleveloftheirfellowpupilsareoftenafraidofreadingaloudinagroupoftenhavelowerself-respectandregardreadingasaheadachesaidLisaMyronmanagerofthechildren’sdepartment.LastNovemberthetwogroupsstartedDogDayAfternooninthechildren’sdepartmentofthemainlibrary.About25childrenattendedeachofthefourSaturday-afternoonclassesreadingforhalfanhour.Thosewhoattendedthreeofthefourclassesreceivedapawgraphedbookatthelastclass.TheprogramwassosuccessfulthatthelibraryplanstorepeatitinAprilaccordingtoDanaThumpowskypublicrelationsmanager.67.Whatismainlydiscussedinthetext?A.Children’sreadingdifficulties.B.Advantagesofraisingdogs.C.Serviceinapubliclibrary.D.A.specialreadingprogram.68.Specialistsusedogstolistentochildrenreadingbecausetheythink_______.A.dogsareyoungchildren’sbestfriendsB.childrencanplaywithdogswhilereadingC.dogscanprovideencouragementforshychildrenD.childrenanddogsunderstandeachother69.BysayingTheSaltLakeCityPublicLibraryissoldontheideathewritermeansthelibrary_______.A.usesdogstoattractchildrenB.acceptstheideaputforwardbyITAC.hasopenedachildren’sdepartmentD.hasdecidedtotrainsomedogs70.A.pawgraphedbookismostprobably_______.A.abookusedinSaturdayclassesB.abookwrittenbythechildrenC.aprizeforthechildrenD.agiftfromparents
Usingtoomuchwaterorthrowingrubbishintoourriversareclearwaysthathumanscanputourwatersupplyindangerbutwealsoaffectourwatersupplyinlessobviousways.Youmaywonderhowpaving铺砌aroadcanleadtolessuseablefreshwater.A.majorpartofthewaterweuseeverydayisgroundwater.Groundwaterdoesnotcomefromlakesorrivers.ItcomesfromundergrounD.Themoreroadsandparkinglotswepavethelesswatercanflowintothegroundtobecomegroundwater.Humanactivityisnotresponsibleforallwatershortages短缺.Drierclimatesareofcoursemorelikelytohavedroughts干旱thanareaswithmorerainfallbutinanycasegoodmanagementcanhelptomakesurethereisenoughwatertomeetourbasicneeds.Thinkingaboutthewayweusewatereverydaycanmakeabigdifferencetoo.IntheUnitedStatesafamilyoffourcanuse1.5tonsofwateraday!Thisshowshowmuchwedependonwatertolivebutthere’salotwecandotolowerthenumber.YoucantakestepstosavewaterinyourhomE.Tostartwithusethesameglassforyourdrinkingwaterallday.Washitonlyonceaday.Runyourdishwasher洗碗机onlywhenitisfull.Helpyourparentsfixanyleaks裂缝inyourhomE.Youcanevenhelptokeepourwatersupplycleanbyrecyclingbatteriesinsteadofthrowingthemaway.72.Whichofthefollowingismostlikelytoleadtolessgroundwater?A.Usingriverwater.B.Throwingbatteriesaway.C.Pavingparkinglots.D.Throwingrubbishintolakes.73.Whatcanbeinferredfromthetext?A.Allwatershortagesareduetohumanbehavior.B.Ittakesalotofefforttomeetourwaterneeds.C.ThereismuchwecandotoreducefamilysizE.D.TheaveragefamilyinAmericamakesproperuseofwater.74.Thelastparagraphisintendedto______.A.showushowtofixleaksathomeB.tellushowtorunadishwasherC.provewhatdrinkingglassisbestforusD.suggestwhatwedotosavewaterathome75.Thetextismainlyabout______.A.whypavingroadsreducesourwaterB.howmuchwedependonwatertoliveC.whydroughtsoccurmoreindryclimatesD.howhumanactivityaffectsourwatersupply
TipsfordevelopinganexerciseplanforyourbrainYouknowthateatingasensibledietandgettingplentyofexercisehelpyourbodyhealthyandstrong.Butdidyouknowthattherearewaystomakeyourbrainhealthierandsmarter?Studiesshowthatwhenthebrainiscompelledtodosomethingnewitcreatesnewneuralpathways神经通路.ThemorepathwaysyouhavethefasteryoucanthinkandthebettermemoryyouwillhavE.TenstepstowardasmarterbrainLimityourTVtimeWatchinganaverageTVshowrequiresverylittlebrainpowerandbringsthesameresultasneglectingphysicalexercisE.Yourbrainwillbecomeweakjustasyourmusclesdo.IfyouwatchTVchoosesomethingeducationalandinformativE.TravelTravelingtoanewcountryforcesyoutoseeanddothingsinanewwayprovidingstimulation刺激tothebrain.LearnanewlanguageAcquiringanewlanguageinvolvesdifferentlearningmethods.Learningalanguagesharpensyourbrainandhelpspreventmemoryproblemsinlateryears.MasteranewsubjectEachweekselectananimalabirdorafishandreadeverythingyoucanaboutit.Stretch最大限度利用yourbrainasyoubecomeanexpertonthesubject.Useyournon-dominanthandIfyouareright-handeduseyourlefthandforeverydayactivitiesoruseyourrighthandifyouareleft-handeD.Doingfamiliarthingsinanewwaywillcauseyourbraintocreatenewneuralnetworks.ReadoftenAsyoureadtakethetimetolookuppeopleorplacesthataren’tfamiliar.Readingexpandsyourvocabularyifyousearchforwordsanddefinitionsthatyoudon’tknow.DopuzzlesAccordingtotheMayoClinicdoingsudokuandcrosswordpuzzleskeepsthebrainsharpintoyoursenioryears.CalculatewhileyoushopAsyouputthingsinyourgrocerycarttotaleverythinginyourheaD.Seehowmuchcloseyougettotheactualtotal.PlayvideogamesStudieshavefoundthatcertainvideogamesforceyoutousecriticaldecision-makingskillsandcanevenimprovestudents’mathscores.Tweet!推特类似中国的微信Readmessagesfrompeoplewhorepresentawiderangeofinterests.Andsomesaythatlearningtoexpressyourselfinjust140charactersisagreatbrainchallenge!Sogetinthehabitofchallengingyourbrainandmakeyourselfsmarter!56.What’sthemainideaofthepassage?A.GetinthehabitoflearningsomethingnewB.DevelopanexerciseplanC.MakeYourBrainSmarterD.Tipstomakeyourselfhealthier57.Whatdoestheunderlinedwordcompelledmean?A.requestedB.allowedC.completedD.forced58.Whatcanwelearnfromthepassage?A.EducationalandinformativeTVshowsarehelpfultolimityourTVtimE.B.DoingsudokuandcrosswordpuzzlesmaymakeyouconfuseD.C.PlayingcertainvideogamesmayhelpyousharpenyourminD.D.Writingshortmessagesoftencanalsomakeyouhealthier.
SwimmingisoneofthoseactivitiesthatcanbelearnedearlyinlifE.Littlechildrencanlearntoswimassoonastheywalk.Infactyouneedthesameskillsinwalkingasinswimming.HoweverIbelievethatfiveisthebestagetolearn.Byfiveorsixachildknowsfearofwateraveryimportantthingtoknow.It’swisetobeafraidtorecognizetruedanger.Youngonesunderstandthatthewatercansometimesbeverydangerous.Toreallybenefitfromswimmingeveryswimmershouldlearnassoonaspossiblethesefourbasicstrokes:butterflybackstrokebreaststrokeandcrawl.Ifeelthatoneofthese---thebreaststrokeisdifferentfromtheotherssincesomeyoungswimmersusethisstrokenaturallywithoutanytraining.Inswimmingtherearecertainruleseveryswimmershouldfollow:1.Neverswimalone!Nomatterhowgoodyouareinthewaterdon’triskdrowningbyswimmingalonE.IfyouswimbyyourselfwithnolifeguardsorfriendswithyouyoumaygetintotroublE.2.Don’tgobeyondyourabilities.Mostswimmersknowenoughnottoswimtoofarfromthebankorthebeach.ShowingoffbydoingdangeroustricksisnogooD.SwimsafelyandyouwillcontinuetoswimandalivE.3.Don’tsmokE.Swimmingdependsonahealthybody;goodlungsarepartofit.4.Workatanyactivitythatbuildsmuscles.59.Littlechildrencanlearntoswimassoonas________.A.theycantalkB.theystartwalkingC.theyhavenofearofthewaterD.theyarefiveorsixyearsold60.Theauthorbelievesthatfearofwateris_________.A.stupidB.sensible明智的C.dangerousD.notsmart61.Thestrokethatsomeyoungswimmersusefirstis_________.A.butterflyB.backstrokeC.breaststrokeD.crawl62.Accordingtothepassageyoushouldnotswimalonebecause_________.A.thewateristoocoldB.yourparentswouldnotbehappyC.somethinginthewatermightattackD.youmightdrown
Therearedesertplantswhichsurvivethedryseasonintheformofinactiveseeds.Therearealsodesertinsectswhichsurviveasinactivelarvae幼虫.Inadditiondifficultasitistobelievetherearedesertfishwhichcansurvivethroughyearsofdrought干旱intheformofinactiveeggs.Thesearetheshrimps虾thatliveintheMojaveDesertanextremelydryplaceinthesouthwestoftheUnitedStateswhereshadetemperaturesofover50℃areoftenrecordeD.TheeggsoftheMojaveshrimpslooklikegrainsofsandbothinsizeandappearancE.Whenenoughspringrainfallstoformalakeonceeverytwotofiveyearstheseeggshatch.Thenthewaterissoonfilledwithmillionsoftinyshrimpsaboutamillimetrelongwhichfeedontinyplantandanimalorganisms有机物whichalsogrowinthetemporarydesertlakE.Withinaweektheshrimpsgrowfromtheiroriginal1millimetretoalengthofabout1.5centimetres.Throughoutthetimethattheshrimpsarerapidlymaturingthewaterinthelakeequallyrapidlyevaporates蒸发.ThereforefortheshrimpsitisaraceagainsttimE.Bythetwelfthdayhoweverwhentheyareabout3centimetrelonghundredsoftinyeggsformontheunderbodiesofthefemales.Usuallybythistimeallthatremainsofthelakeisalargemuddypatchofwetsoil.Onthe13thdaytheshrimpslaytheireggsinthemuD.Thenhavingensuredthattheirspecieswillsurvivetheshrimpsdieasthelastofthewaterevaporates.Ifenoughrainfallsthenextyeartoformanotherlaketheeggshatchandonceagaintheshrimpspassrapidlythroughtheircycleofgrowthadulthoodegg-layinganddeath.Someyearsthereisnotenoughraintoformalake:inthiscasetheeggswillremaindormantforanotheryearsorevenlongerifnecessary.31.Whatisthepassagemainlyabout?A.ThebirthoftheMojaveshrimps.B.Thesurvivalofdesertshrimps.C.ThesurvivalofdesertlifE.D.LifeintheMojaveDesert.32.WhichofthefollowingistheMOSTuniquefeatureofMojaveshrimps?A.Theirlivesarebrief.B.Theyfeedonplantandanimalorganisms.C.Theireggscansurviveyearsofdrought.D.TheylaytheireggsinthemuD.33.Bysaying...fortheshrimpsitisaraceagainsttimE.Line2ParA.3theauthormeansthattheshrimpshaveto_________.A.swimfastertoavoiddangerintherapidlyevaporatinglakeB.swimfastertocatchtheanimalorganismsonwhichtheysurviveC.layasmanyeggsaspossiblewithinlimitedtimeD.completetheirlifecyclewithinthetimepermittedbytheenvironment34.Whatdoetheunderlinedworddormantinthelastparagraphmostprobablymean?A.InactivE.B.Sleeping.C.SafE.D.DeaD.35.Whatcanbeinferredfromthepassage?A.Appearanceandsizearethemostimportantforlifetosurviveinthedesert.B.A.speciesmustbeabletogrowupquicklyinordertosurvivE.C.Shrimpsaretheonlyspecieswithalifecycleof13days.D.Somespeciesdevelopauniquelifepatterntosurviveinextremelyhardcondition.
Whatwillmanbelikeinthefuture—in5000oreven50000yearsfromnow?WecanonlymakeguessesofcoursebutwecanbesurethathewillbedifferentfromwhatheistodayformanisslowlychangingallthetimE.LetustakeanobviousexamplE.Manevenfivehundredyearsagowasshorterthanheistoday.Nowonaveragemenareaboutthreeinchestaller.Fivehundredyearsisrelativelyashortperiodoftimesowemaysupposethatmanwillcontinuetogrowtaller.Againinthemodernworldweuseourbrainsagreatdeal.Evensowestillmakeuseofonlyabout20%ofthebrain’scapacity容量.Astimegoesonhoweverweshallhavetouseourbrainsmoreandmoreandfinallyweshallneedourbrainsmoreandmoreandfinallyweshallneedlargerones!Thisislikelytobringaphysicalchangetoo:theheadinparticulartheforeheadwillgrowlarger.NowadaysoureyesareinconstantusE.Infactweusethemsomuchthatveryoftentheybecomeweakerandwehavetowearglasses.Butoverlongperiodoftimeitislikelythatman’seyeswillgrowstronger.Ontheotherhandwetendtomakelessuseofourarmsandlegs.Theseasaresultarelikelytogrowweaker.AtthesametimehoweverourfingerswillgrowmoresensitivebecausetheyareusedagreatdealinmodernlifE.Butwhatabouthair?Thiswillprobablydisappearfromthebodyaltogetherincourseoftimebecauseitdoesnotserveausefulpurposeanylonger.InthefuturethenbothsexesarelikelytobebalD.Perhapsallthisgivestheimpressionthatfuturemanwillnotbeaveryattractivecreaturetolookat!ThismaywellbetruE.Allthesameinspiteofallthesechangesfuturemanwillstillhavealotincommonwithus.Hewillstillbeahumanbeingwiththoughtsandemotionssimilartoourown.66.Thepassagemainlytellsusthat__________.A.Man’slifewillbedifferentinthefutureB.FuturemanwilllookquitedifferentfromusC.ManisgrowingtalleranduglierastimepassesD.Man’sorgans’functionswillchange67.Whatservesastheevidencethatmanischanging?A.ManhasgotstrongereyesnowthanheeverhaD.B.Man’shairisgettingthinnerandthinner.C.Man’sarmsandlegshavebecomelighterandweaker.D.Manhasbeengrowingtalleroverthepast500years.68.Thechangeinman’ssizeoftheforeheadisprobablybecause__________.A.hemakesuseofonly20%ofthebrain’scapacityB.hisbrainhasgrownlargeroverthepastcenturiesC.hewillusehisbrainmoreandmoreastimegoesonD.theother80%ofhisbrainwillgrowinduetime69.WhichofthefollowingisTRUEaboutahumanbeinginthefuture?A.Heishairlessbecausehairisnolongeruseful.B.Hehassmallereyesandwearsbetterglasses.C.Hisfingersgrowweakerbecausehedoesn’thavetomakeuseofthem.D.Hethinksandfeelsinadifferentway.70.Itisimpliedthat__________.A.humanbeingswillbecomelessattractiveinthefutureB.bodyorganswillbecomepooreriftheyarenotusedoftenC.humanbeingshopeforachangeinthefuturelifeD.futurelifeisalwayspredictable
Electricaldevices仪器couldsoonusepowermadebyhumanenergy.ScientistssaytheyhavedevelopedanexperimentaldevicethatproduceselectricityfromthephysicalmovementofapersonwalkingBritishscientistMaxDonelanandotherscientistsinCanadaandtheUnitedStatesdevelopedthedevicE.Thedeviceconnectstoaperson’skneE.Asthepersonwalksthedevicecapturesenergyeachtimethepersonslowsdown.Todothisthedevicehelpswiththeslowingsownmovementofthelegthemovementsofthewalkingpersonpushpartsofasmallmachinethatproduceselectricity.UsingthedeviceanadultwalkingquicklycouldproducethirteenwattsofelectricityinjustaminutE.Donelansayswalkingatthatspeedcouldproduceenoughpowertooperatealaptopcomputerforsixminutes.ThereareseveralpossibleusesforthedevicE.Developerssayitcouldhelppeoplewhoworkinareaswithoutelectricitytooperatesmallcomputers.Thedevicecouldalsoheusedinhospitalstooperateheartpacemakers起博器itcouldevenbeusedtoassistinthemovementofroboticarmsandlegs.TheexperimentalversionofthedeviceweighsaboutoneandahalfkilogramsbutitistoocostlyformostpeopletobuybuttheresearchershopetomakealighterlesscostlyversionAnimprovedversionshouldbereadyinoneyear.Thedevelopershopethedevicewillonedayhelpdevelopingcountries;nearlytwentyfivepercentofpeoplearoundtheworldlivewithoutelectricpower.Asimilarproductwasinventedin2005byLarryRomeoftheUniversityofPennsylvaniaHecreatedabagcarriedonaperson’sbackthatalsoproducespowerfromwalking.Thekneedevicedoesnotproduceasmuchelectricityasthebagbutthebagrequiresthewalkertocarryaloadoftwentytothirtykilograms.【小题1】.ThesecondparagraphmainlytalksaboutA.whodevelopedthedeviceB.howthedeviceworksC.severalpossibleusesforthedevicesD.howmuchelectricitythedevicecanproduce【小题2】.Whatisthedisadvantageoftheexperimentalversionofthedevice?A.ItistooheavyforthewalkertobearB.ItistoocomplexforpeopletouseC.ItistooexpensiveformostpeopletoaffordD.Itwillslowdownone’swalkingspeed【小题3】.ComparedwiththedevicedesignedbyLarryRomethisnewdeviceA.producespowerwithoutaddingmoreloadstothewalkerB.canproducemorepowerinamuchshortertimeC.needstobeequippedwithabatteryD.canhelpthewalkerwalkfaster【小题4】.FromthepassagewecanlearnthattheelectricaldevicecanA.helphousewivesoperatethewashingmachineB.makeitmucheasierforustogoonlineC.producemoreelectricitythanthatinventedbyLarryRomeD.beappliedinmedicalfieldstooperateheartpacemakers【小题5】.WhatwouldbethebesttitleforthepassageA.FirstdevicepoweredbywalkingwillsoonbeonthemarketB.AdvancedtechnologybringsinanewwaytooperateheartpacemakersC.DevicegivesnewmeaningtotheideaofpowerwalkingDHumanenergywillbecomeamainsourceofelectricity
MostanimalshavelittleconnectionwithanimalsofadifferentkindunlesstheyhuntthemforfooD.Sometimeshowevertwokindsofanimalscometogetherinapartnership伙伴关系whichisgoodforbothofthem.Youmayhavenoticedsomebirdssittingonthebacksofsheep.Thisisnotbecausetheywantaridebutbecausetheyfindeasyfoodintheparasites寄生虫onsheep.Thesheepallowthebirdstodosobecausetheyremovethecauseofdiscomfort.Soalthoughtheycanmanagewithouteachothertheydobettertogether.Sometimesanimalhasaplantpartner.Therelationshipdevelopsuntilthetwopartnerscannotmanagewithouteachother.Thisissointhecorals珊瑚oftheseA.IntheirskinstheyhavetinyplantswhichactasdustmentakingsomeofthewasteproductsfromthecoralandgivinginreturnoxygenwhichtheanimalneedstobreathE.IftheplantsarekilledorareevenpreventedfromreceivinglightsothattheycannotlivenormallythecoralswilldiE.63.Somebirdsliketositonasheepbecause_______.A.theyenjoytravellingwiththesheepB.theycaneatitsparasitesC.theydependonthesheepforexistenceD.theyfindthepositionmostcomfortable64.Theunderlinedwordtheyinthelastsentenceofthefirstparagraphrefersto______.A.birdsandparasitesB.parasitesandsheepC.birdsandsheepD.sheepbirdsandparasites65.Welearnfromthetextthatcoralsdependonplantsfor______.A.comfortB.lightC.oxygenD.food66.Whatdoesthesecondparagraphmainlydiscuss?A.Someanimalsandplantsdeveloptheirrelationshipeasily.B.SomeanimalsandplantsdependoneachotherforexistencE.C.SomeplantsdependoneachotherforfooD.D.Someanimalslivebettertogether.
AsimpleflowermadeheadlinesintheBritishpresslastweek.Howcouldthatbe?BritishPrimeMinisterDavidCameronandhisdelegation代表团wereattendingareceptionhostedbyChinesePremierWenJiabaointheGreatHallofthePeopleinBeijing.Theyinsistedonwearingpoppies罂粟花intheirbuttonholes.What’swrongwiththat?AccordingtotheGlobalTimesChineseofficialsapparentlyhadaskedtheUKdelegationnottowearpoppies.TheBritishsaidthatpoppiesmeantagreatdealtothemonthatdayandtheywouldwearthemallthesamE.Sowhat’stheimportanceofthepoppy?It’saflowerwhichhasdifferentculturalandsymbolicmeaningsforBritishandChinesepeoplE.FromtheChinesepointofviewthepoppyisasymbolofChina’sshameatthehandsofEuropeanpowersintheOpiumWars鸦片战争ofthe19thcentury.BritainforcedChinatoopentheborderstotrade–includingintheopium–whichwasmadefrompoppiesgrowninIndiA.YetfromtheBritishviewpointthepoppyisareminderofthekillingduringWorldWarI.RedpoppiesgrewonthebattlefieldsofFlandersinBelgiumwheremanythousandsofBritishsoldiersdiedorwereburieD.SincethenPoppyDayNovember11hasbecomeatimeintheUKtowearpoppiesandrememberthesacrificesofBritishsoldiersandciviliansintimesofwar.SoyoucanseethatthepoppysetsoffstrongfeelingsintheheartsofChineseandBritishpeoplefordifferentreasons.Anditmakessenseforustotrytounderstandeachother’sviewpoint.Ofcourseculturaldifferencescanalsobeinterestingandfunny.Andwhatonenationthinksisanacceptablegiftmaybevieweddifferentlybytheirguestsfromoverseas.USPresidentBarackObamagaveagiftofaniPodtoBritain’sQueen–adullpersonwithnointerestinmusiC.ObamaalsopresentedGordonBrownwithafineselectionofAmericanmovies.ButtheywereinUSformat格式andimpossibletoplayonBritishDVDplayers.Manycountrieshavediplomats外交官stationedoverseas.DiplomatsprovideinformationandadvicetotheirgovernmentsbackhomE.Howeversometimesitwouldseemthatevendiplomatscanoverlooktheculturalsignificanceofasmallflower.59.BritishPrimeMinisterDavidCameronprobablyattendedareceptioninBeijingon__________.A.October1B.November11C.December31D.January1160.ThepoppyremindstheChineseof__________.A.theChinesesoldierskilledduringWorldWarIIB.theBritishsoldierswhowerekilledandburiedduringWorldWarI.C.thesufferingcausedbyBritainduringWorldWarID.theshamecausedbyEuropeancountriesinthe19thcentury61.ThediplomaticprobleminBeijingismainlycausedby__________.A.thelanguagedifferenceB.thedifferentlifestyleC.thetranslationmistakeD.theculturaldifference62.Whatisthemainideaofthe9thparagraph?A.USPresidentBarackObamalikestopresentgiftstootherleadersB.USleadersandBritishleadersgetalongwellwitheachotherC.CulturaldifferencescanalsobeinterestingandfunnyD.Culturaldifferencescancauseabigproblem
iPhone5thetallestthingtohappentoiPhonesinceiPhoneWedon’twanttochangeyourphonewewanttomakeyousayWowthatisabiggerchangethanIexpected.iPhone5isaresultofthatdesiretosurprisE.It’sbeencompletelyredesigneD.Forthefirsttimeeverwe’veincreasedthesizeofdisplay显示bymakingthescreentallerbutnotwider.Youcanseemoreofyourcontentwithouttheneedtoscroll.Wearemakingscrollingthethingofthepast.Itismorecomfortabletouseandreducestirednessfromscrollingwhenyoureadlongdocuments.EvenwiththelargerdisplayitisthethinnestiPhoneweeverbuilt.ToachievethedesignthistallwehavetolookatitandcompletelyredesignthearchitectureinsidE.It’s18%thinnerand79.5%tallerthanthepreviousiPhonE.ItmakeseverythingyoudooniPhone5easier.Nomorehiddenmenusnoconfusinggestures.Everythingisrightatyourfingertips.Thepanoramafeature全景拍照issimplyawesomE.TheultraHD超高清widescreendisplayletsyougetyourentireshotinasinglesnap快门.Youcanalsouseitscreativedesignforpicturestabilization.WithaniPhonethistallreceptionofsignalshasneverbeenbetter.AndofcourseallyourfavoriteapplicationsarestillavailablE.InfactyouwillfindyouroldfavoritesalsobenefitfromthenewexperiencinghandsomeultraHDwidescreen.WefoundwhilemanypreviousiPhoneownerswereusingFacetimetheyonlyuseditforthefaces.That’swhyweareintroducingBodytimE.WithitsultraHDwidescreendisplayBodytimeletsyouseeaperson’sentirebody.Ittookallofourlearningandallofourthinkingtorealizesomethingsosimplesoclearandyetsotall.AndIwishyourpocketweretallenoughtoholdsuchaperfectinvention!68.HowisthescreenofiPhone5differentfromthepreviousones?A.Wider.B.Taller.C.Easier.D.Thinner.69.Whatdoestheunderlinedwordscrollprobablymean?A.UpdatethewebpagE.B.Downloadnewdocuments.C.Refreshthecontent.D.MovethecontentupwarD.70.WhatcanweinferaboutiPhone5fromthepassage?A.Itisreallynecessaryforyoutohidemenus.B.Thereceptionofsignalsisbadduetoitslength.C.BodytimeispopularwithpreviousiPhoneowners.D.NewapplicationsofiPhone5areunbelievablE.71.iPhone5isintroducedinan________wayinthispassagE.A.humorousB.objectiveC.scientificD.serious
Eatlikeakinginthemorningaprinceatnoonandapeasantatnight.Thissayingisallabouttheimportanceofbreakfast.Andnowscientistscantellusjustwhyit’ssoimportant.AccordingtoastudycarriedoutatImperialCollegeLondonUKskippingthefirstmealofthedaynotonlymeansyoueatmoreatlunchbutalsothatyourbrainwantstofindmoreunhealthyfoods.Thestudysuggeststhatthereisaspecialpartofourbraincalledtheorbitofrontalcortex眶额皮层whichplaysanimportantpartinmakingchoicesaboutwhatweeat.Itisusedforidentifyingthetasteoffoodespeciallywhenskippingbreakfast.Itismorelikelytotargethigh-caloriefoodswhenyou’reonanemptystomach.Scientistsdidanexperimentonthis.DrTonyGoldstonefromImperialCollegeLondonscanned扫描thebrainsof21menandwomenaroundtheageof25.Onthefirstdaythesepeopleskippedbreakfastbeforethescans.Ontheseconddaytheyhadcereal谷物breadandjamasbreakfast.Afterthescanonbothdaystheyhadtheirlunch.Whenthevolunteershadskippedbreakfasttheyatearound20percentmoreatlunchcomparedwithdayswhentheyhadeatenbreakfast.Theirbrainscansalsoshowedtheorbitofrontalcortexwasespeciallyresponsivetohigh-caloriefoods.Webelievethatbitidentifiesthevalueoffoods–howpleasanthowdelicioussomethingisGoldstonetoldTheGuardian.36.FromParagraph1welearnthat_____.A.scientistsfoundoutwhyeatingbreakfastisimportantB.it’seasytoloseweightwithoutbreakfastC.there’snoneedtohavegoodfoodforsupperD.eatingbreakfastmakesyourbrainsmarter37.WhichofthefollowingisNOTtrueabouttheorbitofrontalcortex?A.Itispartofourbrain.B.Ittellspeopletoeatbreakfast.C.ItdecideswhichfoodwelikE.D.Itisactivetowardhigh-caloriefooD.38.Whichisthecorrectorderfortheexperimentonthefirstday?①Thevolunteersskippedbreakfast.②Thevolunteershadlunch.③Thevolunteershadabrainscan.A.①②③B.③②①C.①③②D.③①②39.Intheexperimentthevolunteerswithoutbreakfastateabout20%_____atlunch.A.oftheusualbreakfastB.morethantheusualbreakfastC.oftheusuallunchD.morethantheusuallunch40.Whichofthefollowingcanbethetitleforthispassage?A.BreakfaststillmostimportantB.ThreemealsadayC.ExperimentsonbreakfastD.Experimentsonlunch
LifeonMarscouldbecomearealityanditcouldhappeninyourlifetimE.A.welcomingplanetScientistssayEarth’sneighborMarsabrightredplanetabouthalfEarth’ssizeisthemostlikelytosupporthumanlifE.MarsevenhasfrozenwateronitssurfacE.Sincethelate1990sNASAhasbeenexploringMarsusingremote-controlledvehicles装置.MostrecentlyCuriosityacar-sizevehicletraveledthroughspaceonanunpilotedspacecraft航天器andlandedonMarsinAugust2012.DirectedbyNASAscientiststhevehiclesmoveonthesurfacetakingpicturescollectingandanalyzingsoilandlookingforsignsoflifE.Butwhatabouthumanexplorers?PlansarealreadyintheworkstosendastronautstoMarsassoonasthemid-2030s._____________________________________Butbeforeyoustartpackingyourbagslet’sconsiderthechallenges.ForstartersMarsisfaraway.Justgettingtherecouldtakeupto10months.ScientistsalreadyknowthattimeawayfromEarth’sgravityharmsthehumanbody.Bonesandmusclesgetweaker.ThebodyproduceslessblooD.Whatdamagewouldmonthsandmonthsoflivinginspacedo?Andthenthereisthematterofwateroxygenfoodandfuel.ScientistswillhavetofindsolutionstotheseproblemsorthefirsthumansonMarswon’tsurviveverylongintheirnewhomE.TinyDangersThere’sanothertinierrisk.It’ssotinythatyoucan’tevenseeit:germs.SomescientistsbelievethatourgermscouldpollutethewholeplanetofMars.PotentiallykillingMartianlifebeforewehavethechancetodiscoverit.Worsethereisasmallbutterrifyingchancethatanymicroscopiclifealreadytheremightbeharmfultous.WorsestillifanyofthoseMartiangerms火星细菌werebroughtbacktoEarththeresultcouldbedisastrous.Animalsplantsandpeoplecouldbewipedout.Worththe$$$?A.morepracticalconcernisthecost.Thepricecouldapproach$1trillion万亿.Howcanwejustifyspendingthatmuchwhensomanyproblems—povertydisease—couldusethecashhereonEarth?41.WhichofthefollowingisTRUEaccordingtotheAwelcomingplanetpart?A.MarsisalittlebiggerthanEarth.B.ThereareflowingriversonMars.C.Peoplehaven’tbeentoMarssofar.D.ScientistshavediscoveredsignsoflifeonMars.42.Whichofthefollowingcanbestfillintheblankinthepassage?A.LivinginspacE.B.Limitedresources.C.Extremeconditions.D.Interestingchallenges.43.ByTinydangerstheauthormeans________________.A.thereisnoseriousdangerB.peoplewon’tbeinanydangerC.it’sdifficultforpeopletorealizethedangerD.thedangermaybecausedbyverysmallthings44.Whichmaycausethebiggestdanger?A.MartiangermsmaybedifferentfromthoseonEarth.B.MartiangermsmaybebroughtbacktoEarth.C.PeoplemaycarrygermstoMars.D.TheremaybegermsonMars.45.Whichsectionofanewspaperisthepassagemostprobablytakenfrom?A.PeopleB.HistoryC.ScienceD.Business
AnalcoholbreathtestABTisoftenusedbythepolicetofindoutwhetherapersonisdrunkwhiledriving.IntheUnitedStatesthelegalbloodalcohollimitis0.08%forpeopleaged21yearsorolderwhilepeopleunder21arenotallowedtodriveacarwithanylevelofalcoholintheirbody.A.positivetestresultaresultoverthelegallimitallowsthepolicetoarrestthedriver.Howevermanypeoplewhotestedpositiveonthetesthaveclaimedthattheyonlydrankanon-alcoholicenergydrink.CanoneoftheseenergydrinksreallycausesomeonetotestpositiveonanABT?ResearchersinMissourisetupanexperimenttofindout.Firsttheamountofalcoholin27differentpopularenergydrinkswasmeasureD.Allbutonehadanalcohollevelgreaterthan0.005%.Innineofthe27drinksthealcohollevelwasatleast0.096%.ThescientiststheninvestigatedthepossibilitythatthesesmalllevelsofalcoholcouldbediscoveredbyanABT.TheyaskedtestsubjectstodrinkafullcanorbottleofanenergydrinkandthengaveeachsubjectanABToneminuteand15minutesafterthedrinkwasfinisheD.For11ofthe27energydrinkstheABTdidfindthepresenceofalcoholifthetestwasgivenwithinoneminuteafterthedrinkwastaken.Howeveralcoholcouldnotbediscoveredforanyofthedrinksifthetestwasgiven15minutesafterthedrinkwasconsumeD.Thisshowsthatwhenthetestistakenplaysanimportantroleinthetestresult.ThesoonerthetestisconductedaftertheconsumptionofthesedrinksthemorelikelyapositivealcoholreadingwillbeobtaineD.【小题1】Whatisthelegalalcohollevelfora20-year-olddriverintheUS?A.0.000%.B.0.005%.C.0.080%.D.0.096%.【小题2】WhatisthepurposeoftheMissouriexperiment?A.Towarnpeopleofthedangersofdrinkingenergydrinks.B.Tointroduceanewmethodofcalculatingbloodalcohollevels.C.TodiscovertherelationbetweenenergydrinksandABTtestresults.D.TochangethecurrentlegalalcohollimitfordriversintheUnitedStates.【小题3】TheunderlinedwordsubjectsinParagraph2refersto_____.A.thethingsthatarebeingdiscussedB.areasofknowledgestudiedinschoolC.thepersoninanexperimentD.thepeoplewhobelongtoacountry【小题4】WhichofthefollowingaffectstheABTtestresultmostforenergydrinkconsumers?A.Theageofthepersonwhotakesthetest.B.Theplacewherethetestisgiven.C.Theequipmentthatthetestuses.D.Thetimewhenthetestistaken.
ForcenturiesinthecountriesofSouthandSoutheastAsiatheelephanthasbeenanimportantpartofthecultureeconomyandreligion.AndnowheremoresothaninThailanD.UnlikeitsAfricancousintheAsianelephantiseasilydomesticateD.Therareso-calledwhiteelephantshaveactuallylentthepowerofroyaltytoitsrulersanduntilthe1920sthenationalflagwasawhiteelephantonaredbackgrounD.TotheearlyWesternvisitorsthecountry’sromanticnamewasLandoftheWhiteElephant.Todayhoweverthestoryisverydifferent.OutofworkandoutoflandtheThaielephantstrugglesforsurvivalinanationthatnolongerneedsit.Theelephanthasfounditselfmoreorlessdesertedbypreviousownerswhohavemovedontoadifferenteconomicworldandasocietyinthewesternpart.Andwhiletheelephant’sproblemsbeganmanyyearsagonowithasaverylownationaladvantagE.Howdoesthenationalsymbolturnintoignoredanimals?ItisastoryofworseenvironmentandthechanginglivesoftheThaisthemselves.AccordingtoRichardLairThailand’sexpertontheAsianelephantandauthorofthereportGoneAstrayattheturnofthelastcenturytheremaywellhavebeenasmanyas100000nationalelephantsinthecountry.InthenorthofThailandaloneitwasestimatedthatmorethan20000elephantswereemployedintransport1000ofthemaloneontheroadbetweenthecitiesofChiangMaiandChiangSaen.Thiswasatatimewhen90percentofThailandwasstillforest—ahabitatthatnotonlysupportedtheanimalsbutalsomadethemnecessarytocarrygoodsandpeoplE.Nothingploughsthroughthickforestbetterthanlotsofsure-footedelephants.By1950theelephantpopulationhaddroppedbutstilltothenumberof13397.Howevertodaythereareprobablynomorethan3800withanother1350wanderingfreeinthenationalparks.ButnowThailand’sforestcoversonly20percentofthelanD.Thisdeforestation采伐森林isthecentralpointoftheelephant’sdifficultsituationforithaseffectivelyputtheanimalsoutofwork.Thiscenturyastheroadnetworkgrewtheelephant’sroleasabeastofburdendecreaseD.67.ThailandwasoncecalledLandoftheWhiteElephantbecause________.A.thewhiteelephantwasanationalsymboluntilthe1920sB.thewhiteelephantisrarelyseennowandthusveryspecialC.thewhiteelephanthashelpedkingstogaintherulingauthorityD.thisnamewassoromanticthatitwaspopularamongvisitors68.WhyistheThaielephantoutofworkaccordingtotheauthor?A.Becausetherearetoomanyelephantsbuttoofewjobs.B.Becausetheelephantscan’tdolaborworkanylonger.C.Becausethegovernmentpayslittleattentiontotheproblem.D.Becausetheelephantsarenolongerusefultotheirowners.69.WhichofthefollowingstatementsisTRUEabouttheelephantpopulationatvarioustimes?A.Therewereatmost100000domesticatedelephantsattheturnofthelastcentury.B.20000elephantswereemployedintransportinThailandattheturnofthecentury.C.By1950theelephantpopulationinThailandhadbeenquitesmall.D.Todaytheelephantpopulationisestimatedat5150.70.Thepassageismostprobablyfrom________.A.atravelmagazineB.ahistorybookC.aresearchreportD.anofficialannouncement
Wedon'tknowhowdifferentourfuturewillbeinthefuturE.Wecanonlytrytoimagineit.Atfirstwethinkabouthumanrelationship.Intheyear2050wewillusecomputersalmosteverydaywewillbemakingnewfriendsthroughtheInternet-evenourhusbandsorwiveswillbemetinthisway.Itwillbemuchfasterandeasierforus.Ontheotherhandourrelationshipswithpeoplewon'tbeasimportantastheyaretoday-wewillfeelalittlelonely.Computerswillalsohelpusinmanyotheractivitiesin2050.Forexampletheywillbeusedbythechildrenatschooltomaketheirlearningeasier.Inadditiontherewillbemuchmoreothermachineswhichwillplayasimilarroleascomputerslikerobotswhichwilldothehomeworkforus.Spendingholidayswillalsobecompletelydifferent.Travelingtootherplanetsortothemoonwillheavailableforeveryone.Meansoftransportwillofcoursechangetoo.Wewillbeusingsolar-poweredearswhichwillbemuchcleaner.Wecouldexpectthatthefastertechnologicalprogresswouldleadtoamorepollutedenvironment.Butitisn'ttrue.Wewillpaymoreattentiontoprotectingtheenvironment.AndScientistswillprobablyfindcuresformanydangerousdiseaseslikecancerorAIDS.Thereforeoursurroundingsaswellashealthwillbeinbettercondition.Althoughwecan'tpredicttheexactchangeswhichwillbemadeintheworldweoftenthinkaboutthem.Weworryaboutourandourchildren'sfuturewehaveexpectationshopesaswellasfears.ButIthinkweshouldberathersanguineaboutourfuture.Weshouldbehappyandbelievegoodthingswillhappen.51.Whywillpeopleprobablyfeelalittlelonelyin2050?A.Becausethenumberofpeoplewillbecomemuchsmaller.B.Becausetherewillbelessface-to-facecommunicationC.Becausepeoplewon'tlikemakingfriendswitheachotherD.Becausepeoplewon'tcommunicatewitheachothermuchoften.52.Thethirdparagraphmainlytellsis_______A.thatcomputerswilldoallthethingsforhumanbeingsB.howpeoplewillusecomputerstocommunicatewitheachotherC.thatmachineslikecomputersandrobotswillhelppeoplealotD.howpeoplewilluserobotstodothehousework53.Accordingtothepassagewhichofthefollowingwillhappenin2050?A.Therelationshipbetweenpeoplewillbemoreimportantthantoday.B.Thewayofspendingholidayswillbethesameasthatoftoday.C.Itwon'tbedifficultforpeopletotraveltootherplanetsD.Ourenvironmentwillbemuchmorepollutedwithagrowingnumberofcars54.Theunderlinedwordsanguineinthelastparagraphmostprobablymeans_______.A.disappointedB.surprisedC.curiousD.optimistic55.Whatdoesthepassagemainlytalkabout?A.Howpeoplewillcommunicateintheyear2050.B.Whatourlifewillbelikeintheyear2050.C.Howpeoplewilltravelandspendtheirholidaysintheyear2050.D.Whathightechnologywillappearintheyear2050.
CanyouimaginethatseveralhundredyearsagotomatoeswereseenastoxicfoodinEurope?WhatmadeEuropeansbelievethiswasJohnGerard’spublicationofHerbalin1597.Gerardwrote:TheleavesandstalksofthetomatoplantaretoxiC.UndoubtedlyGerard’sopinionwasbasedonamisunderstandingoftomatoes.ButhisopinionwaswidelyspreadinBritainandNorthAmericaforovertwohundredyears.Inthelate1700salotofEuropeansheldmorefearsfortomatoes.A.nicknameforthefruitwaspoisonapplebecauseitwasbelievedthataristocrats贵族gotsickanddiedaftereatingthem.ButtheactualreasonwasthepewterplatestheyuseD.Sincetomatoesarehighinaciditywhenplacedontheplatesthelead铅intheplateswoulddissolvE.Thiscausedmanydeaths.UnluckilynooneknewthisatthattimE.Sotheinnocenttomatoeswerepickedasthekiller.TodaymorethanoneandahalfbilliontonsoftomatoesareproducedeveryyeararoundtheworlD.Tomatoesarecookedinvariousways.Thishealthyandtastyfoodfinallywinsitsinnocence清白back.51.Whichofthefollowingcanbethebesttitleforthispassage?A.Europeans’fearsfortomatoesB.HistoryoftomatoplantingC.WhydopeopleeatsomanytomatoesD.Howdidthetomatoproveitsvalue52.Whatdoestheunderlinedwordtoxicinparagraph1mean?A.deliciousB.nutritious营养C.poisonousD.safe53.WhatdoweknowaboutthebookHerbal?A.ItwaswrittenbyanAmericanwriter.B.Itwaspublishedabout400yearsago.C.TomatoesweredescribedasgoodfooD.D.ChineseherbalmedicinewasincludeD.54.Whendidpeoplebegintoeattomatoesaccordingtothetext?A.About100yearsago.B.About200yearsago.C.About300yearsago.D.About400yearsago.55.What’sthekeypointforthedeathofthearistocratsmentionedinthepassage?A.Tomatoes.B.ThepewterplatE.C.Seriousillness.D.Chemicalreaction.
SincethefirstbrainscannerwasconstructedseveralyearsagocomputedtomographyorcomputedmedicalimageryhasbecomefairlywidelyuseD.ItsrapidacceptanceisduetothefactthatithasovercomeseveralofthedrawbacksofconventionalX-raytechnology.TobeginwithConventionaltwo-dimensionalX-raypicturescannotshowalloftheinformationcontainedinathree-dimensionalobject.ThingsatdifferentdepthsaresuperImposedcausingconfusiontotheviewercomputedtomographycangivethree-dimensionalinformation.Thecomputerisabletoreconstructpicturesofthebody’sinteriorbymeasuringthevaryingintensitiesofX-raybeamspassingthroughsectionsofthebodyfromhundredsofdifferentangles.Suchpicturesarebasedonseriesofthinslices.InadditionconventionalX-raygenerallydifferentiatesonlybetweenboneandairasinthechestandlungs.Theycannotdistinguishsofttissuesorvariationintissues.TheliverandpancreasarenotdiscernibleatallandcertainotherorgansmaxonlyberenderedvisiblethroughtheuseofratiopaquedyE.SincecomputedtomographyismuchmoresensitivethesofttissuesofthekidneysorthelivercanbeseenandclearlydifferentiateD.ThistechniquecanalsoaccuratelymeasuredifferentdegreesofX-rayabsorptionfacilitatingthestudyofthenatureoftissuE.A.thirdproblemwithconventionalX-raymethodsistheirinabilitytomeasurequantitativelytheseparatedensitiesoftheindividualsubstancesthroughwhichtheX-rayhaspasseD.OnlythemeanabsorptionofallthetissuesisrecordeD.Thisisnotatumorandsubsequentlymonitortheprogressofradiationtreatmentsothatinadditiontoitsdiagnosticcapabilitiesitcanplayasignificantroleintherapy.55.ConventionalC-raysmainlyshowthedifferencebetweenA.boneandairB.liverandpancreasC.muscleandotherbodyissuesD.heartandlungs56.ItcanbeinferredfromthepassagethatcomparedtoconventionalX-raytechniquescomputedtomographyismoreA.compactB.rapidC.economicalD.informative57.Whatistheauthor’sattitudetowardthisnewtechniqueA.CautiousB.TolerantC.EnthusiasticD.Critical58.AccordingtothepassagecomputedtomographycanbeusedforallofthefollowingexceptA.monitoringapatient’sdiseaseB.diagnosingdisordersC.locatingtumorsD.reconstructingdamagedissues
ThedreamofflyingintoouterspacecherishedbytheChinesepeopleforcenturieswillsooncometruE.Chinalauncheditsfourthunmannedspacecraft飞船ShenzhouⅣonDecember30attheJiuquanSatelliteLaunchCentreinGansuProvincE.Itwasthe27thconsecutive连续的andsuccessfullaunchofChina-maderocketssinceOctober1996.ThislaunchhasmadeitmorerealisticforChinatosendapersonintospaceonitsownfollowingRussiaandtheUSA.QiFarenleadingdesignerofthespacecraftsystemsaidallthefunctions功能designedformannedflightshavewithstood经受住thetestofthreeprevioussuccessfullaunchesandreturnlandingsoftheShenzhouspaceships.ChinalaunchedtheShenzhouⅠShenzhouⅡandShenzhouⅢspacecraftsin19992001and2002respectively.ShouzhouⅣwastomakeitamorecomfortableplaceinwhichastronautscanliveandwork.AllpartsoftheapplicationsystemformannedflightareaboardtheShenzhouⅣcraftinalltestflights.China’smannedflightprogrammebeganin1992.A.numberofunmannedtestflightswillbelaunchedbeforeChineseastronautsaresentintospacE.LeadingscientistsinchargeofChina’smannedspaceprogrammesaidthesuccessfullaunchoftheShenzhouⅣlaidasolidfoundationforthecountry’sfuturetaskofsendingChineseastronautstoouterspacE.ThespacecraftreturnedtotheearthonJanuary5aftercompletingsevenexperimentsinspacE.OfficialsatthecentresaidthatShenzhouⅤamannedspacecraftisexpectedtobelaunchedlaterthisyear.64.HowmanycountriescansendapersonintospaceonitsownbynowA.NotmentioneD.B.3.C.4.D.2.65.China’smannedflightprogrammebeganin________.A.October1996.B.1992C.1999D.January200366.Asamatteroffact________.A.ShenzhouⅤhasbeenlaunchedB.ShenzhouⅣwasamannedspacecraftC.ShenzhouⅢandShenzhouⅣwerenotlaunchedinthesameyearD.thedreamofmanflyingintoouterspacehascometrueinChina67.Whichisthemostsuitabletitleforthepassage?A.TheSuccessfulLaunchingofShenzhouⅣ.B.TheLandingofShenzhouⅣ.C.China’sMannedFlightProgrammE.D.TheThirdCountrySendingaPersonintoOuterSpacE.
Arainforestisanareacoveredbytalltreeswiththetotalhighrainfallspreadingquiteequallythroughtheyearandthetemperaturerarelydippingbelow16℃.RainforestshaveagreateffectontheworldenvironmentbecausetheycantakeinheatfromthesunandadjusttheclimatE.WithouttheforestcovertheseareaswouldreflectmoreheatintotheatmospherewarmingtherestoftheworlD.LosingtherainforestsmayalsoinfluencewindandrainfallpatternspotentiallycausingcertainnaturaldisastersallovertheworlD.Inthepasthundredyearshumanshavebegundestroyingrainforestsinsearchofthreemajorresources资源landforcropswoodforpaperandotherproductslandforraisingfarmanimals.ThisactionaffectstheenvironmentasawholE.Forexamplealotofcarbondioxide二氧化碳intheaircomesfromburningtherainforests.Peopleobviouslyhaveaneedfortheresourceswegainfromcuttingtreesbutwewillsuffermuchmorethanwewillbenefit.Therearetwomainreasonsforthis.Firstlywhenpeoplecutdowntreesgenerallytheycanonlyusethelandforayearortwo.Secondlycuttinglargesectionsofrainforestsmayprovideagoodsupplyofwoodrightnowbutinthelongrunitactuallyreducestheworld'swoodsupply.Rainforestsareoftencalledtheworld'sdrugstorE.Morethan25%ofthemedicinesweusetodaycomefromplantsinrainforests.Howeverfewerthan1%ofrainforestplantshavebeenexaminedfortheirmedicalvaluE.Itisextremelylikelythatourbestchancetocurediseasesliessomewhereintheworld'sshrinkingrainforests.63.Rainforestscanhelptoadjusttheclimatebecausethey______.A.reflectmoreheatintotheatmosphereB.reducetheeffectofheatfromthesunontheearthC.bringabouthighrainfallthroughouttheworldD.rarelycausethetemperaturetodroplowerthan16℃64.Whatdoesthewordthisunderlinedinthethirdparagraphreferto?A.Humanshavebegundestroyingrainforests.B.Peoplehaveastrongdesireforresources.C.Wewilllosemuchmorethanwecangain.D.Muchcarbondioxidecomesfromburningrainforests.65.Itcanbeinferredfromthetextthat______.A.wecangetenoughresourceswithoutrainforestsB.wewillgrowfewerkindsofcropsinthegainedlandC.thelevelofannualrainfallaffectswindpatternsD.thereisgreatmedicinepotentialinrainforests66.Whatmightbethebesttitleforthetext?A.RainforestsandtheEnvironmentB.HowtoSaveRainforestsC.HowtoProtectNatureD.RainforestsandMedicalDevelopment
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