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Liquid Paper (修正液) was invented by Bette Nesmith Graham. She was 17 when she got a job at a Texas b...
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高中英语《宁夏育才中学勤行校区2015-2016学年高一12月月考考试试题及答案》真题及答案
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如图为同学们经常使用的某品牌修正液包装标签上的部分文字的图片请仔细阅读根据此图及日常生活经验分析推测
右图是同学们经常使用的某品牌修正液包装标签检测后发现涂改液中含有苯甲基环已烷等多种物质小明仔细阅读后
修正液俗称涂改液是一种白色不透明反射率高且使用方便的办公用品由于修正液中含有挥发性的有毒溶剂三氯乙烯
加成反应、取代反应
加成反应、消去反应
取代反应、消去反应
取代反应、加成反应
右图是同学们经常使用的某品牌修正液包装标签小明仔细阅读后结合自己的生活经验和所学知识得出了该修正液的
修正液是一种胶体，均一、透明
修正液中含有的化学物质有毒
修正液的成分对纸张不具有腐蚀性
修正液的溶剂易挥发、易燃
如图是同学们经常使用的某品牌修正液包装标签检测后发现涂改液中含有苯．甲基环已烷等多种物质．小明仔细阅
修正液是纯净物
修正液的成分对纸张具有腐蚀性
修正液中含有的化学物质无毒，可以食用少许
修正液的某种物质易挥发．易燃烧
修正液俗称涂改液白色纯正反射率高且使用方便由于修正液中含有挥发性的有毒溶剂三氯乙烯等所以应该尽量不要
加成反应、取代反应
加成反应、消去反应
取代反应、消去反应
取代反应、加成反应
右图是同学们经常使用的某品牌修正液包装标签小明仔细阅读后结合自己的生活经验和所学知识得出了修正液的某
修正液是一种胶体，均一、透明
修正液中含有的化学物质有毒
修正液的成分对纸张不具腐蚀性
修正液的溶剂易挥发，易燃
修正液俗称涂改液白色纯正反射率高且使用方便由于修正液中含有挥发性的有毒溶剂三氯乙烯等所以应该尽量不要
加成反应、取代反应
加成反应、消去反应
取代反应、消去反应
取代反应、加成反应
如图是同学们经常使用的某品牌修正液包装标签．小明仔细阅读后结合自己的生活经验和所学知识得出了该修正
修正液是一种胶体，均一．透明
修正液中含有的化学物质有毒
修正液的成分对纸张不具有腐蚀性
修正液的溶剂易挥发．易燃
设计实验修正液是同学们常用的一种文具打开盖后有刺激性的气味我们不禁要问修正液对人体有伤害吗?请你设计
设计实验修正液是同学们常用的一种文具打开盖后有刺激性的气味我们不禁要问修正液对人体有伤害吗?请你设计
修正液是同学们常用的一种文具打开盖后有刺激性的气味.我们不禁要问修正液对人体有伤害吗请你设计一个实验
实验探究修正液是同学们常用的一种文具打开盖后有刺激性的气味我们不禁要问修正液对人体有危害吗?下面是一
修正液热水瓶胆属于有害垃圾吗
右图是同学们经常使用的某品牌修正液包装标签小明仔细阅读后结合自己的生活经验和所学知识得出了修正液的某
修正液是一种胶体，均一、稳定
修正液中含有有毒的化学物质
修正液的成分对纸张不具腐蚀性
修正液的溶剂易挥发、易燃
如图是同学们经常使用的某品牌修正液包装标签小明仔细阅读后结合自己的生活经验和所学知识得出了修正液的某
修正液的成分对纸张具有强腐蚀性
修正液中不含有化学物质
修正液是一种胶体，均一、稳定
修正液的溶剂易挥发、易燃
修正液是一种溶液，均一．透明
修正液中含有的化学物质对人体有害
修正液的成分对纸张不具有腐蚀性
修正液的溶剂易挥发．易燃烧
修正液是同学们常用的一种学习用品打开修正液的瓶盖后你会闻到刺激性的气味此时你不禁要问修正液对人体有伤
3.00分如图是同学们经常使用的某品牌修正液包装标签．小明仔细阅读后结合自己的生活经验和所学知识得
修正液是一种胶体，均一．透明
修正液中含有的化学物质有毒
修正液的成分对纸张不具有腐蚀性
修正液的溶剂易挥发．易燃
下边的标签是同学们经常使用的一种修正液的包装说明某同学在仔细阅读后结合自己的生活经验和所学知识得出了
纸张的成分是纤维素，修正液对其具有腐蚀性
修正液是一种胶体，均一、透明
修正液中不仅含有易挥发的有机物质、也含有毒的物质
修正液的溶剂不易燃烧，可以接触明火
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TherearemanyidiomsinEnglish.Anidiomisaphrasethatwecan'tunderstandfromthemeaningofeachworD.Thefollowingaresomeofthem.AsthecrowfliesWhenabirdfliesfromplacetoplaceittakesthemostdirectroutE.Butwhenpeopledrivetheyhavetofollowroadsandoftengofarther.Whenpeoplegiveadistanceasthecrowfliestheymeantheshortestdistancebetweenthetwopointsnotthedistanceyouwouldhavetotravelbyfollowingroads.AsDanandhismumdrovealongtherivertheycouldseethebeachontheoppositesidE.DanaskedHowfarisittothebeach?It'sonlyaboutaquarterofamileasthecrowflieshismothersaiD.BlowhotandcoldInoneofAesop'sFablesamanblowsonhisfingerstowarmthemupandthenblowsonhissouptocoolitdown.Inbothcasesthemanisopeninghismouthbutwhatcomesoutisdifferent.IfapersonsaysonethingandlatersaystheoppositewesaythatthepersonisblowinghotandcolD.IsFeliciagoingtotryoutforthesoccerteamthisyear?StacyaskeD.Idon'tknowTriciareplieD.Lastweekshewassayingyesbutthisweekshe'ssayingno.She'sreallyblowinghotandcolD.BreaktheiceNowadayspeopleusethephrasetorefertoendinganawkwardsilencebybeginningaconversation.Itwasthefirstdayofsummercamp.ThefourgirlsbegantomaketheirbedsinsilencE.Noneofthegirlskneweachotherandnooneknewwhattosay.FinallyoneofthembroketheicebysayingHeywhere'severybodyfrom?BurythehatchetInnativeAmericanculturewhentwonationsagreedtoendtheirwartheyburiedthehatchet.SotoburythehatchetistomakepeacewithsomeoneelsE.Colincouldnotexcusehissisterforbreakinghistennisracket.FinallyhissistersaidColincan'tweburythehatchet?9.Whatdoesasthecrowfliesmean?A.Inthesmoothestway.B.InastraightlinE.C.ByplanE.D.AttopspeeD.10.Blowhotandcoldcanbeusedtotalkaboutsomeone's______.A.dishonestyB.changingattitudesC.communicationskillsD.badmanner11.ItcanbeinferredthatColin'ssisterhopedthatColinwould______.A.buyanewtennisracketB.stayawayfromherC.forgivehermistakeD.makeanapologytoher12.WhichofthefollowingisTRUEaccordingtothetext?A.WhatFeliciathoughtwasdifferentfromwhathesaiD.B.Danandhismotherneeddriveaquarterofamiletothebeach.C.BurythehatchetisanidiomfromAesop’sFables.D.It’sdifficulttounderstandthemeaningofanidiombyeachworD.
Asanold-fashionedexplorerPaulSalopeksetsoutonfoottocirclearoundtheworlD.Heisalsoamodern-dayexplorer.Ontopofafewclothesasmallfirst-aidkitandnotebooksheiscarryingarecorderavideocameraasmallcomputerandasatellitephone—atelephonethatconnectstoasatelliteandcanbeusedinmanyplaceswherecell-phonesdon’twork.Thejourneyislong:21000miles!Itwilltakesevenyearstocompleteit.SalopekwasborninCaliforniaandspenthischildhoodinMexico.Hesayshehasalwayslikedtotravelanddoesn’tliketorush.AttheageoffourteenheclimbedMountWhitneyinCaliforniaandcrossedthestate’sSierraNevadaMountainsalonE.WhenhewasfifteenyearsoldhewalkedthelengthofDeathValley.Heoncerodeamule2000milesthroughmountainsinMexico.AsalongtimereporterSalopekhasreportedfromAfricaAsiaandMexico.Now51yearsoldheplanstokeepwriting.AshetravelsaroundtheworldheiswritingstoriesaboutthepeoplehemeetsandthewaytheylivE.Helooksforhowpeoplefindlocalsolutionstobigproblemssuchaslackoffoodandwater.HealsorecordsthesoundshehearsandtakesphotosoftheskyandtheEarth’ssurfacE.ThelongwalkstartedintheRifeValleyinEthiopiainEastAfricA.ManyconsiderEastAfricatobehometothefirsthumanswholived160000yearsago.SalopekisretracingthepathsourancestorstookastheyleftAfricaandsettledinpartsoftheMiddleEastEuropeAsiaandtheAmericas.AsSalopekiswalkingheislearningmoreabouthimselfandallofhumankinD.11.Theunderlinedphraseontopofinthefirstparagraphcanbereplacedby______________.A.atthetopofB.incontrasttoC.inadditiontoD.onthebasisof12.Theauthordevelopsthethirdparagraphmainlyby______________.A.providingexamplesB.makingcomparisonsC.makingacarefulanalysisD.followingtheorderoftime13.AccordingtothepassagePaulSalopekisa______________.A.doctorwholikescarryingthesmallfirst-aidkitB.journalistwholikestravelingexploringwritingandstudyingC.writerwholikestravelingexploringandstudyingD.photographerwhoisgoodatusingsatellitecommunicationequipment14.What’sthebesttitleforthepassage?A.PaulSalopek:FollowingMan’sFirstFootstepsB.PaulSalopek:ReflectingPeople’sRealLivesC.PaulSalopek:GoingforaSeven-yearStudyD.PaulSalopek:LookingbackupontheChildhood
Manhasbeentothemoon.IthasbeenthefirststeptowardsfutureexplorationinspacE.WhencomparedwiththedistancesbetweenEarthandtheotherplanetsthedistancebetweentheMoonandEarthisveryshortindeeD.MarsthenearestplanettoEarthismillionsofmilesaway!Travelingtotheplanetswillbeman’snextstep.Suchtravelswillbemorechallengingthanthetriptothemoonandcertainlymoreexcitinganddangerous.RecentlytwoAmericanspaceshipsViking1and2landedonMarstryingtodiscoverwhetherthatplanethasanylifeonit.SofarthesignsoflifeonMarshasneitherbeenconfirmednorruledout排除.RussianshavediscoveredthatthesurfaceofVenusissohotthatitisalmostcertainthatthereisnolifetherE.AlsotheatmosphereofVenusisextremelydenseandthepressureisnearlyahundredtimesgreaterthanthatoftheEarth’satmospherE.ScientistsbelievemanmayfindplanetswhichhavethesameconditionsasthosewehaveonEarthbutmanshouldrealizeEarthwillbehisonlyhomeforalongtimeandbegintoloveandcareforit.52.Basedonthepassagetravelingtotheplanetswillbe___________.A.man’sfirststepB.mucheasierandevenmoreinterestingC.formoreexcitinganddangerousD.man’sfinalaim53.WhichofthefollowingisNottrue?A.Marsisnearertotheearththanthemoon.B.ThemoonismuchnearertotheearththanMars.C.OfalltheplanetsMarsisthenearesttotheearth.D.Alltheplanetsaremuchfarthertotheearththanthemoon.54.Mancanliveinaplaceundertheconditionsof___________.A.thesamepressureaswegetonearthB.muchtoohotsurfaceC.normalatmosphereaswehaveonearthD.BothA.andC.55.Scientiststhinkweshouldtakecareofourearthbecause___________.A.theonlyhomeofmanwillbetheearthforalongtimeB.thedreamtofindanotherhomeformanwillcometrueC.nootherplanetsaretotaketheplaceoftheearthD.everythingneededisprovidedbytheearth
Afterstudyingthedailyhabitsof177self-mademillionairesoverthecourseoffiveyearsThomasC.Corleyfoundthattheyavoidonecostlyhabit:procrastination拖延症.ItpreventseventhemosttalentedindividualsfromrealizingsuccessinlifehewritesinhisupcomingbookChangeYourHabitsChangeYourLifE.Thisgoeshand-in-handwithauthorNapoleonHill’sclaimthatthewealthiestpeoplearealsothemostdecisivepeoplE.Outofthe500millionairesHillstudiedintheearly20thcenturyEveryoneofthemhadthehabitofreachingdecisionsquicklyHillwroteinhis1937classicThinkandGrowRich.OneofthemajorcausesofprocrastinationislackofpassionCorleyemphasizes:Wesimplyliketodothethingsweliketodoandweputoffthethingswedonotliketodo.AccordingtoGalluponly13%ofemployeesare‘engaged’intheirjobsoremotionallyinvestedintheirworkCorleywrites.WhetheryourealizeitornotprocrastinationisabigreasonwhyyouarestrugglingfinanciallyinlifE.Itdamagesyourcredibilitywithemployersandfellowcolleaguesatwork.Italsoaffectsthequalityofyourworkandthisaffectsthebusinessyouoryouremployerreceivefromcustomersclientsandbusinessrelationships.Thegoodnewsisthatanyonecanovercomeprocrastination–andit’ssimplerthanyoumaythink.Healsonotesthatthevoiceofprocrastinationscreamsjustasloudandclearinthemindsofthosewhoexcelinlifeasitdoesinthemindsofthosewhodonot.Howdotheysilenceit?Theyrelyonto-doliststogetthingsdonE.Theycreatefirmdeadlinesandtheymeetwithaccountabilitypartnerstoensurethey’restickingtotheirgoalsanddeadlinesCorleysays.Nearlyeveryoneissusceptibletoprocrastination–butfightingagainstitcanmakeallthedifferencE.32.Accordingtothepassagemillionaires______.A.areintelligentpeopleB.don’thesitatewhenmakingdecisionsC.areonlypassionateaboutmakingmoneyD.putoffthethingstheydon’tliketodo33.Whichofthefollowingstatementsistrueaboutprocrastination?A.Procrastinationusuallyresultsfromfinancialdifficulties.B.Procrastinationmakespeoplelesstrustworthy.C.OvercomingprocrastinationissimplerforwealthypeoplE.D.Accomplishingthingsaheadofscheduleisakeytogettingridofprocrastination.34.Whatdoestheunderlinedwordexcelprobablymean?A.struggleB.failC.standoutD.workhard35.Whatmightbethebesttitleforthepassage?A.Fightingprocrastination.B.HowtobecomeamillionairE.C.Newstudiesofabadhabit.D.Theimportanceofmakingto-dolists.
Lastnight’smeteor流星showerleftmanypeopleinthecommunitydissatisfiedanddemandinganswers.AccordingtoGabeRothschildEmeraldValley’smayorpeoplegatheredinthesuburbsofthecitycarryingheavytelescopesexpectingtowatchthebrightlyburningmeteorspassingthroughthesky.Whattheyfoundinsteadwasaskysobrightenedbythecity’slightsthatitdarkenedthelightofthemeteorspassingoverheaD.MyfamilywassofrustratedadmittedtownresidentDuaneCosby.Wewantedtomakethisanunforgettablefamilyoutingbutitturnedouttobeahugedisappointment.Astronomers—scientistswhostudystarsandplanets—havebeencomplainingaboutthisproblemfordecades.Theysaythatlightpollutionpreventsthemfromseeingobjectsintheskythattheycouldseequiteeasilyinthepast.Theycallonpeopleandthegovernmenttotakemeasurestofightagainstit.Thereisyetapopulationbesidesprofessionalandamateurstarobserversthatsuffersevenmorefromlightpollution.ThispopulationconsistsofbirdsbatsfrogssnakesetC.Forexampleoutdoorlightingseverelyaffectsmigratingbirds.AccordingtotheInternationalDark-SkyAssociation.100millionbirdsayearthroughoutNorthAmericadieincrasheswithlightedbuildingsandtowers.Countlessmoreanimalcasualties伤亡resultfromtheuseofartificiallighting.Clearlypeopleenjoythebenefitsoflightingtheireveningsbutsomescientiststhinkitcanbeharmfulforhumanstoo.Theyworrythatexposuretolightwhilesleepingcanincreaseaperson’schancesofgettingcancer.EmeraldValleyisonlyonecommunitythatisbecomingawareofthenegativeeffectsoflightpollution.ForyearsFlagstaffArizonahasenforcedlightingregulationsinitscityinordertoassistastronomersattheLowellObservatory.Similareffortshavebeenmadeworldwideandamovementisunderwaytoremindustoturnofflightswhenwearenotusingthemsothatothercreaturescansharethenight.12.Ithappenedlastnightthat.A.themeteorwatchingendedupasocialoutingB.themeteorsflewpastbeforebeingnoticedC.thecitylightshowattractedmanypeopleD.thecity’slightsaffectedthemeteorwatching13.Whatdotheastronomerscomplainabout?A.Theireyesightisfallingduetoartificiallighting.B.MeteorshowersoccurlessoftenthanbeforE.C.Theirobservationequipmentisinpoorrepair.D.Lightpollutionhasremainedunsolvedforyears.14.WhatistheauthorconcernedaboutaccordingtoParagraph4?A.Birdsmaytakeothermigrationpaths.B.Animals’livinghabitsmaychangesuddenly.C.Animals’survivalisthreatenedbyoutdoorlighting.D.VarietiesofanimalswillbecomesharplyreduceD.15.Whatmessagedoestheauthormostwanttogiveus?A.Humanactivitiesshouldbeenvironmentallyfriendly.B.Newequipmentshouldbeintroducedforspacestudy.C.Savingwildlifeissavingourselves.D.Greateffortsshouldbemadetosaveenergy.
EarthDayhascomeandgonebutit’safactofdailylifethat1.6billionpeoplearoundwouldhavenoelectricityintheirhomes.Insteadmostofthemusewoodcoalorevenanimalwastetoheatandcookintheirhomeswhichalsogivesoffgreenhousegasescausingindoorairpollutionthatkills1.6millionpeopleayearmostofwhomarechildrenandwomen.It’snotexpectedtoimprovemuchandinAfricait’sbecomingworsenow.By2030whentheEarth’spopulationwillbelikelytotop8billion1.3billionpeoplewillstilllackelectricity.Ofthose700millionwillbeinAfricaand490millioninSouthAsiA.GhanainWestAfricamostofthenorthernhalfofthecountryliveswithoutlights.AsaresultthreeoutoffourGhanansinthenortharewithoutelectricitytorefrigeratewithandtocookwithtostudywithandtostartbusinesseswith.LikemostothersaroundtheworldinthesamesituationtheseGhanansusetraditionalfuelswoodcoalanimalwastetomeettheircookingneeds.Whatwouldelectricityforeveryonearoundtheworldcost?TheInternationalEnergyAgencywhichismadeupof28membercountriesfiguresitwouldrun35billiondollarsayearfrom2008to2030toreachthat.TheUnitedNationshasbeenbusywiththeissueorganizingameetingonApril28hostedbySecretary-GeneralBanKimoon.‘EnergyservicesareveryimportantformeetingbasichumanneedsreducingpovertycreatingandgettingtogetherwealthandkeepingadvancesinsocialdevelopmentHesaidinanannouncement.25.Howmanypeoplestilllackelectricityintheworldnow?A.1.6billion.B.1.6millionC.1.3billionD.700million26.Whydomanychildrenandwomendieofindoorairpollution?A.Becausetheywouldratherheatandcookwithtraditionalfuelsthanwithelectricity.B.Becauseofnoelectricitytheyhavetousetraditionalfuelsforheatingandcooking.C.Becausewoodcoaloranimalwastedoesgreatharmtotheirhealth.D.Becausetherearetoomanygreenhousegasesfromfactories.27.Theunderlinedwordthatprobablyreferto______.A.electricityforeveryoneB.35billiondollarsayearC.traditionalfuelsD.28membercountries28.Whatcanwelearnfromthelastparagraph?A.TheUnitedNationsistryingtosolvetheproblem.B.Thebasichumanneedsarereducingpoverty.C.Workingtogetherisawaytodevelop.D.Thebasicneedsforhumansareenergyservices.
Candogsandcatsliveinpeaceinthesamehome?Peoplewhoarethinkingaboutadoptingadogasafriendfortheircatareworriedthattheywillfight.A.recentresearchhasfoundanewwayforsuccess.Accordingtothestudyifthecatisadoptedbeforethedogandiftheyareintroducedwhenstillyounglessthan6monthsforcatsayearfordogsitishighlyprobablethatthetwopetswillgetalongswimmingly.Twothirdsofthehomesinterviewedreportedapositiverelationshipbetweentheircatanddog.Howeveritwasn'tallsweetnessandlight.Therewasareportedcoldnessbetweenthecatanddogin25%ofthehomeswhileattackingandfightingwereobservedin10%ofthehomes.OnereasonforthisisprobablythatsomeoftheirbodysignalsarejustoppositE.Forexamplewhenacatturnsitsheadawayitsignalsattackwhileadogdoingthesamesignalsadmittingdefeat.Inhomeswithcatsanddogslivingpeacefullyresearchersobservedasurprisingbehavior.Theyarelearninghowtotalkeachother'slanguagE.Itisasurprisethatcatscanlearnhowtotalkdoganddogscanlearnhowtotalkcat.What'sinterestingisthatbothcatsanddogshaveappearedtodeveloptheirintelligencE.Theycanlearntoreadeachother'sbodysignalssuggestingthatthetwomayhavemoreincommonthanwaspreviouslythought.Oncefamiliarwitheachother'spresenceandbodylanguagecatsanddogscanplaytogethergreeteachothernosetonoseandenjoysleepingtogetheronthesofA.Theycaneasilysharethesamewaterbowlandinsomecasesgroom梳理eachother.Theadvantageofthisresearchoncatsanddogsmaynotonlyaboutpets—topeoplewhodon'tgetalongincludingneighborscolleaguesatworkandevenworldsuperpowers.IfcatsanddogscanlearntogetalongsurelypeoplehaveagoodchancE.32.TheunderlinedwordswimminglyinParagraph1isclosestinmeaningto________.A.earlyB.sweetlyC.quicklyD.surprisingly33.Somecatsanddogsmayfightwhen________.A.theyarecoldtoeachotherB.theylookawayfromeachotherC.theyunderstandeachother'ssignalsinawrongwayD.theyareintroducedatanearlyage34.Whatisfoundsurprisingaboutcatsanddogs?A.Theyeatandsleeptogether.B.Theyobserveeachother'sbehaviors.C.Theylearntospeakeachother'slanguagE.D.Theyknowsomethingfromeachother'svoices.35.Whatcanwehumanbeingslearnfromcatsanddogs?A.WeshouldlearntoliveinpeacE.B.Weshouldknowmoreaboutanimals.C.Weshouldliveinpeacewithanimals.D.Weshouldlearnmorebodylanguages.
AmericanblackbearsappearinavarietyofcolorsdespitetheirnamE.Intheeasternpartoftheirrange地理分布区mostofthesebearshaveshinyblackfurbutinthewesttheygrowbrownredorevenyellowcoats.TothenorththeblackbearisactuallygrayorwhitE.Eveninthesamelitter窝bothbrownandblackfurredbearsmaybeborn.BlackbearsarethesmallestofallAmericanbearsranginginlengthfrom5to6feetweighingfrom300to500pounds.Theireyesandearsaresmallandtheireyesightandhearingarenotasgoodastheirsenseofsmell.Likeallbearstheblackbearisshyclumsy笨拙的andrarelydangerous.Howeverifcorneredtheblackbearcanbecomeafearfulenemy.Blackbearsfeedonleavesrootsfruitinsectsfishandevenlargeranimals.Oneofthemostinterestingcharacteristicsofbearsincludingtheblackbearistheirwintersleep.Unlikemanyotheranimalsbearsdonotactuallyhibernate冬眠.AlthoughthebeardoesnoteatduringthewintermonthsitstemperatureremainsalmostnormalanditbreathesregularlyfourorfivetimesperminutE.Mostblackbearslivealoneexceptduringthematingseason交配季节.A.litterofonetofourcubsisborninJanuaryorFebruaryandtheyremainwiththeirmotheruntiltheyarefullygrownoraboutoneandahalfyearsolD.Blackbearscanliveaslongasthirtyyearsinthewildandevenlongeringamepreservessetasideforthem.48.WhatdoweknowaboutthefurcolorofAmericanblackbears?A.Mostofthemhaveblackfur.B.TheirfurcolordependsontheirlivingrangE.C.TheychangetheirfurcolorthroughouttheirlifE.D.Theyarealwaysofthesamefurcolorastheirbrothers.49.Americanblackbearshaveagoodsenseof.A.smellB.hearingC.eyesightD.taste50.WhichofthefollowingisTRUEaboutAmericanblackbears?A.TheirwayofhibernatingisuniquE.B.Theyareabletoliveatmostthirtyyears.C.TheyareregardedasthesmallestbearintheworlD.D.Thebabiescansoonlivebythemselvesafterbirth.
Thereare115distinct独特的speciesofpinetreeswith35nativetoNorthAmericA.Pinesaredefinedasevergreenswithlongneedle-likeleavesandareonlynativetothenorthernhemispherE.Pinetreesareanadaptableandtoughspeciesthatcansurviveinmanyconditionswhereotherplantscannot.Theaveragepinetreeis45to60feettallbutsomearenearlytwiceashigh.WesternWhitePineThewesternwhitepinegrowsthetallestofanypinetreereachingupto110feetinheight.Theyhaveblue-greenneedlesarrangedinbundles束offiveandproducealongcone球果.BristleconePineThebristleconepinegrowsslowlyreachingabout20feettall.ItisoneoftheoldestspeciesofpinE.MexicanPineTheMexicanpinecangrowto50feettallwithlongslenderneedlesthatdrape下垂offitlikeaweepingwillow柳树.OftennicknamedthewillowpineitisnativetoMexico.Itsleavescandroopupto12incheslong.SugarPineThesugarpineisanotherofthelargepinespeciessuchasthebullpinebutitalsohasthelargestconesofanypinespeciesat10to20incheslong.ItgrowsfromOregontoCaliforniaandisoftenusedforconstruction.JackPineThejackpineisoneofthesmallestspeciesofpinewithrareleaves.Comparedwiththepinesmentionedaboveitdoesn’tseemtobelonginthefamily.Itisconsideredamemberofthescrub-pinefamily;itpreferssandysoil.41.Fromthefirstparagraphweknowthatpines___________.A.arenativetoNorthAmericaB.areveryadaptableC.cangrowto60feettallatmostD.usuallygrowintoughconditions42.Whichofthefollowingpinesisoftenusedasabuildingmaterial?A.TheMexicanpineB.ThebristleconepineC.ThesugarpineD.Thejackpine43.TheMexicanpine___________.A.istheoldestspeciesofpineB.producesalongconeC.haswillow-likeneedlesD.preferssandysoil44.Wecanlearnfromthepassagethat___________.A.theMexicanpinehasthelongestleavesB.thejackpinedoesn’tseemtobelongtothesamefamilyastheotherpinetreesC.thebullpineisakindoflittlepinetreeD.allthepinetreesmentionedhaveagreatnumberofleaves
DolphinsliveinadarkunderwaterworlD.It’softenimpossibletoseeeachotheroranythingelsearoundthemsosoundplaysanimportantroleintheirsurvival.Tocommunicatewitheachotherdolphinsproduceallkindsofsounds.Onlyotherdolphinsunderstandwhatthesoundsmean.Scientistshaven’tuncoveredtheirsecretcommunicationexceptforonekindofwhistlE.Itmightlastlessthanasecondbutthiswhistleisabigdeal.Why?Becausethesewhistlesareactuallynamesofdolphins-andeverydolphinhasonE.ScientistscallthesesoundsasignaturewhistlE.Whenotherdolphinshearthewhistletheyknowwhichdolphiniswhistling.Dolphinsoftenhuntbythemselvesbutstillneedtostayconnectedtothegroup.Sincetheycan’talwaysseeeachotherdolphinsusetheirsignaturewhistlestocheckinwithotherdolphinshundredsofyardsaway.Incoastalareasdolphinsexchangewhistlesevenwhenthey’reathirdofamileapartsaysGregCampbellwhostudiesanimals.Thatmeansdolphinsshoutouttogroupmembersthatmightbenearlyfivefootballfieldsaway.What’samazingiswhonamesthebabydolphin.Notthemother.Notanauntiedolphinoranothergroupmember.ScientistsbelievethebabydolphinitselfcomesupwiththesignaturewhistlE.Likehumanbabiesababydolphinplayswithsoundsthroughoutitsfirstyear.Whiletestingitssoundskillsababydolphinisdoingsomethingamazing.It’screatingorfiguringoutitssignaturewhistlE.Howorwhyitchoosesitssignaturewhistleisnotclear.Studiesshowthatmostofthetimethesignaturewhistleisnothinglikeitsmother’sorgroupmembers’whistles.Whenthebabydolphinisaboutayearolditssignaturewhistleisset.Thebabydolphinrepeatsitoftensotheotherdolphinslearntorecognizeit.Deciphering破译dolphinnamesisjustthebeginningoffiguringoutwhatdolphinscommunicateabout.Dotheychataboutsharks?Discussthetides?MaybetheyevenhaveanameforpeoplE.Somedayscientistsaretodeciphertherestofdolphins’communication.12.Soundisimportantfordolphinsbecauseof______.A.theirpoorsenseofdirectionB.theirlivingenvironmentC.theirstrongenemiesD.theirbiggroups13.Thedolphin’ssignaturewhistle______.A.canlastalongtimeB.cantravellongdistancesC.candiscussthetidesD.canberecognizedbyotheranimals14.Theauthorwritesthetextmainlyto______.A.encouragereaderstostudydolphinsB.tellalltheinformationofdolphinsC.showhowlovelyandcleverdolphinsareD.introduceaspecialsoundmadebydolphins15.Ababydolphingetsitsname______.A.soonafteritwasbornB.accordingtoitssizeC.allbyitselfD.withthehelpofitsgroup
Manhasbeentothemoon.IthasbeenthefirststeptowardsfutureexplorationinspacE.WhencomparedwiththedistancesbetweenEarthandtheotherplanetsthedistancebetweentheMoonandEarthisveryshortindeeD.MarsthenearestplanettoEarthismillionsofmilesaway!Travelingtotheplanetswillbeman’snextstep.Suchtravelswillbemorechallengingthanthetriptothemoonandcertainlymoreexcitinganddangerous.RecentlytwoAmericanspaceshipsViking1and2landedonMarstryingtodiscoverwhetherthatplanethasanylifeonit.SofarthesignsoflifeonMarshasneitherbeenconfirmednorruledout排除.RussianshavediscoveredthatthesurfaceofVenusissohotthatitisalmostcertainthatthereisnolifetherE.AlsotheatmosphereofVenusisextremelydenseandthepressureisnearlyahundredtimesgreaterthanthatoftheEarth’satmospherE.ScientistsbelievemanmayfindplanetswhichhavethesameconditionsasthosewehaveonEarthbutmanshouldrealizeEarthwillbehisonlyhomeforalongtimeandbegintoloveandcareforit.52.Basedonthepassagetravelingtotheplanetswillbe___________.A.man’sfirststepB.mucheasierandevenmoreinterestingC.formoreexcitinganddangerousD.man’sfinalaim53.WhichofthefollowingisNottrue?A.Marsisnearertotheearththanthemoon.B.ThemoonismuchnearertotheearththanMars.C.OfalltheplanetsMarsisthenearesttotheearth.D.Alltheplanetsaremuchfarthertotheearththanthemoon.54.Mancanliveinaplaceundertheconditionsof___________.A.thesamepressureaswegetonearthB.muchtoohotsurfaceC.normalatmosphereaswehaveonearthD.BothA.andC.55.Scientiststhinkweshouldtakecareofourearthbecause___________.A.theonlyhomeofmanwillbetheearthforalongtimeB.thedreamtofindanotherhomeformanwillcometrueC.nootherplanetsaretotaketheplaceoftheearthD.everythingneededisprovidedbytheearth
Tsethangserge羊毛料consideredthefinestofallTibetantraditionalfabricshasreemerged重新出现decadesafterdisappearingfromthemarket.Traditionallyreservedforlordsandhigh-rankingmonksTsethangsergehasbeenasymbolofstatusinTibetsincethe1300s.Butthecraftofweaving纺织工艺thefabricbecameobsoleteinthe1970sandfordecadesonlyexistedinmemory.Until2007whenPasangaTibetanlivingwheretheclothoriginatedinTsethangNedongCountywastalkingwithoneofthetown'selderswhileteachingatraditionalpaintingclass.HetoldhowmuchhewishedtheTsethangsergecouldbepreservedPasangrecalls.ShortlyafterPasangbecamefascinatedbythetraditionalcraftspendingtwoyearssearchingforweaverscapableofcreatingthespecialcashmerefabric羊绒织物.MostweaversweredeaD.Thefewsurvivorshadnotweavedformorethan20years.Pasangmanagedtoputtogetherfiveweaversintheir80swhogatheredtorebuildthetoolsandretracethe18proceduresofthecomplexweavingwiththeirmemory.Thefabricwasinventedinthe1350sattheTsethangTemplewhenmonksmodifiedtheweavingtechniquesofthemorecommontraditionalTibetPulufabrics.Itismuchthinnerfinerandsmootherbuttheweavingisextremelycomplexandtime-consuming.Ittakes40daystoweavethefabricforoneoutfitPasangsaiD.ThefabricusesthebestwoolfromthebackandneckofTibetansheeporgoat.Fineweavingplusqualityrawmaterialmakesthefabrictendersmoothdurableandstaticfree无静电干扰headdeD.WhenhespentallhissavingsinbuildingaworkshopforweavingtheTsethangsergehisonlygoalwastopreservethetradition.ButthefabricturnedouttobeasmarvelousastheeldersremembereD.Itsfamesoonspreadbywordofmouth.63.Mostprobablyobsoleteinthesecondparagraphmeans______.A.superbB.old-fashionedC.expensiveD.obvious64.WhofirsthadtheideaofpreservingTsethangserge?A.SomeoldTibetansB.A.mannamedPasangfromHannationalityC.PasangaTibetanD.Weaversofserge65.HowcouldPasangcreatesergewhenmostweaversweredead?A.Hegatheredsomeoldweaverstogetherandretracedtheproceduresoftheweaving.B.Hefoundsomeoldwomenweaverstotelltheweavingprocedurefromtheirmemory.C.Someoldweavershelpedhimtofindthesergetheyweavedwhenyoung.D.PasangboughtthesergetheoldweaversmadE.66.Whatisthemainideaofthesecondparagraphfromthebottom?A.ThedevelopmentandthehistoryofthesergE.B.ThereasonwhythefabricisvaluableC.IttakeslongtoweavethefabricforoneoutfitD.Thefabricusesqualityrawmaterial.
Manypeoplenowhaveproblemswithsleep.Drinkingmilkishelpful.A.warmdrinkofmilkbeforebedhaslongbeenthebestchoiceforthosewantingagoodnight’ssleep.Butnowastudyhasfounditreallydoeshelppeoplenodoff---ifitismilkedfromacowatnight.Researchershavediscoveredthatnightmilkcontainsmoremelatonin褪黑激素whichhasbeenproventohelppeoplefeelsleepyandreduceanxiety.ThestudybyresearchersfromSeoulSouthKoreainvolvedmicebeingfedwithdriedmilkpowdermadefromcowsmilkedbothduringthedayandatnight.Thosegivennightmilkwhichcontained10timestheamountofmelatoninwerelessactiveandlessanxiousthanthosefedwiththemilkcollectedduringdaytimeaccordingtothestudypublishedinTheJournalofMedicinalFood.Nightmilkquickenedthestartofsleepandcausedthemicetosleeplonger.Whiletheeffectofcowsmilkharvestedatdifferenttimehasnotbeentestedonhumansuptonowtakingmelatonindrugshasbeensuggestedtothosewhoarestrugglingtofallasleepatnight.Previousstudieshavealsoindicatedthatmilkcanbeexcellentforhelpingsleepbecauseofhecalciumcontentwhichhelpspeopletorelax.Milkisalsosugar-freeandadditive-freewithnutritionistsrecommendingskimmedmilkasthebestchoicebeforebedasitistheleastfattening.Themorefatyoutakeinbeforebedtimethegreaterburdenyouwillputonyourbodyatnight.32.Accordingtothetextthemicefedwithdaytimemilk_________.A.startedsleepmoreeasilyB.weremoreanxiousC.werelessactiveD.wokeuplater33.Whichofthefollowingistrueofmelatoninaccordingtothetext?A.It’sbeentestedonmicefortentimesB.ItcanmakepeoplemoreenergeticC.ItexistsinmilkingreatamountD.It’susedinsleepingdrugs34.Whatcanbeasuitabletitleforthenext?A.NightMilkandSleepB.FatSugarandHealthC.AnExperimentonMiceD.MilkDrinkingandHealth35.Howdoestheauthorsupportthethemeofthetext?A.BygivingexamplesB.BystatingargumentsC.ByexplainingstatisticaldataD.Byprovidingresearchresults
Wheredoyoukeepice?InthefreezerofcoursE.That'swhatscientistsmighthavethoughtwhentheywerelookingforasafeplacetostoreicefrommountainglaciersfromaroundtheworlD.They’vedecidedtostoreiceinAntarcticabecauseglobalwarmingiscausingsomeoftheglaciersinplacesliketheAlpstomelt.JeromeChappellazoftheFrenchNationalCentreforScientificResearchisinvolvedincreatinganicevault地下室therE.Hesays:Weareprobablytheonlyscientificcommunitywhosesample样本isindangerofdisappearingfromthefaceoftheplanet.Ifyouworkonrocksorontreeringstherawmaterialisstillhereandwillbeformanycenturies.AndwhydoscientistsneedtostudyicefromtheAlpsIceformedonthetopofamountainismadeofsnowaccumulatedoverthousandsofyears.Trappedairbubbles气泡containsamplesoftheatmospherethatexistedwhenthaticewasformeD.IceisarecordofclimatE.Byexaminingiceweknowcarbondioxideintheatmosphereishighernowthaninthelastthreemillionyears.ResearchersusethiskindofdatatobuildcomputermodelsandtrytopredictwhatmighthappeninthefuturE.TheicevaultwillbehousedinasnowcaveattheConcordiaResearchStationwhichisoperatedbyscientistsfromFranceandItaly.Theicesampleswillbesealedinbagsandplaced10metersbelowthesurfaceataconstanttemperatureof-50*C.Thiswillputthescientists’mindsatrest.Losingtheicesampleswouldbeadisasterandnobodywantstoseeamineofscientificknowledgelostforeverinagiantpool.28.Whatistheresearchers'purposeofstudyingice?A.TolearnaboutclimatE.B.TolearnabouttheAlps.C.Totrapairbubbles.D.ToreducecarbondioxidE.29.Jeromecomparesicewithrocksandtreeringstostatethat.A.iceshouldbestoredathomeB.it’smorevaluabletostudyiceC.icedisappearsveryquicklyD.it'snecessarytostoreice30.WhatmakesAntarcticaasafeplacetostoreice?A.Itslargemountains.B.Itsfunctionasafreezer.C.TheabundanticesamplestherE.D.Theabsenceofglobalwarming.31.WhatdoscientiststhinkofstoringiceinAntarctica?A.TheyconsideritaneasyjoB.B.They’renotoptimisticaboutit.C.Theythinkitwillcausedisasters.D.Theythinkit’sareliableway.
We’veallseenthem:perfectlytonedfamouspeopleonlate-nighttelevisiontellingusthatwetoocandeveloprock-hardabdominalmuscles腹部的.It'seasy!Justpay$149.99fortheTorsoTrackor$149.75fortheAd-Doerandwatchthoseunwantedinchesleaveyourwaist.Americansspendtensofmillionsofdollarsonvariousproductstofirmuptheirfataroundthewaist.Anddidtheywork?Notnecessarily.Independentstudieshaveconcludedthatmostoftheseproducts----nomatterwhoapprovedthemorhowexpensivetheyare----shapeyourmidsectionnobetterthanold-fashionedstomachcrunches仰卧起坐.Somecanevencauseinjury----likethe$518.99BodyShaper-Q8SPwhichleftelectricalburnsonsomeresearchersattheUniversityofWisconsinLaCrossE.OtherslikethepopularAb-DoertypicallyburnlessenergythanagentlewalkaccordingtoastudytobepublishedinSeptemberbytheAmericanCouncilonExercisE.ThefactisthatmanyAmericansdon'thavethebiologicalmakeuptodevelopanobviousabdominalmuscles.Theyareeitherunabletogetthenecessarymusclemassortheycan'tloseenoughfattomakeadifferencE.Eveniftheunderlyingmusclesarewelldevelopedallittakestohideitisone-sixteenthofaninchoffat.That'senoughtoexcludemosthealthywomenaswellasplentyofguyswhodocruncheseveryday.Sowhatworksbest?InitsnewstudytheexerciseexpertsresearchedontheresultsofthepopularAb-Doer.A.lengthyTVadvertisementpromisesthatjust10minutesadayperformingsuchmovementsasBodyBoogiesandGoodMorningswillhelpformthosemusclesthefunandeasywaywithoutdiets.StevenLoyprofessoratCaliforniaStateUniversityNorthridgetestedthepromisebymeasuringtheelectricalactivityproducedbytheabdominalmusclesduringthreeAb-Doermovements.Heandhiscolleaguesthencomparedtheresultswiththoseproducedduringtraditionalexercises.TheydeterminedthatthemuscleswerenomoreactiveandinsomecaseslesssowhenexerciserswereusingtheAb-Doer.TakingabroaderapproachresearchersatSanDiegoStateUniversitycompared13abdominalexercisesfortheirabilitytodevelopthecentralabdominalmuscles.TheyconcludedinareportpublishedinMaythatthemosteffectiveexerciseskeptturningthebodyandworkedthemusclestheentiretimE.Amongthewinners:thebicyclemovements----socalledbecauseitlooksasifyouareridingabikewhilelyingflatonthefloor----andexercisesperformedontheCaptain'sChairaproducttypicallyfoundingymsthathelpsholdthebodyintheairwhileyouraiseyourlegsuptowardyourchest.Researcherssuggestedthatavariedroutineofthedifferentexercisescoulddeliverthebestresults.21.Whichofthefollowingisthemosteffectiveinbuildingabdominalmuscles?A.TorsoTrack.B.Captain'sChair.C.Ab-Doer.D.BodyShaper-Q8SP.22.Accordingtotheauthorit'sdifficultformanyAmericanstogetvisiblefirmabdominalmusclesmainlybecause.A.howbigtheirmuscleswillbeisdeterminedbybirthB.theychangetheirexerciseroutineregularlyC.injuriesinterrupttheirexercisefrequentlyD.theydonotputinenoughefforts23.Theauthorconvincesthereadersby.A.describingsuccessfulcasesB.presentingfindingsofresearchesC.offeringcommentsdirectlyfromexercisersD.comparingadvertisementsofproducts24.What'sthemainpurposeofthispassage?A.Tosponsorrichhealthylifestylebasedonadvancedproductresearch.B.Toindicatethatdietandexercisesarenecessaryfactorsforafitmidsection.C.Topromoteprovenexercisetechniquesandtoadviseagainstfalseadvertisements.D.ToresearchanddevelopinordertocreatetheperfectstomachandexercisemachinE.
Chimps黑猩猩willcooperateincertainwayslikegatheringinwarpartiestoprotecttheirterritory.Butbeyondtheminimumrequirementsassocialbeingstheyhavelittleinstinct本能tohelponeanother.Chimpsinthewildseekfoodforthemselves.Evenchimpmothersregularlydeclinetosharefoodwiththeirchildren.whoareablefromayoungagetogathertheirownfooD.Inthelaboratorychimpsdon’tnaturallysharefoodeither.Ifachimpisputinacagewherehecanpullinoneplateoffoodforhimselforwithnogreateffortaplatethatalsoprovidesfoodforaneighbortothenextcagehewillpullatrandom---hejustdoesn’tcarewhetherhisneighborgetsfedornot.Chimpsaretrulyselfish.HumanchildrenontheotherhandareextremelycooperativE.Fromtheearliestagestheydecidetohelpotherstoshareinformationandtoparticipateinachievingcommongoals.ThepsychologistMichaelTomasellohasstudiedthiscooperativenessinaseriesofexperimentswithveryyoungchildren.Hefindsthatifbabiesaged18monthsseeanunrelatedadultwithhandsfulltryingtoopenadooralmostallwillimmediatelytrytohelp.Thereareseveralreasonstobelievethattheurgestohelpinformandsharearenottaught.butnaturallypossessedinyoungchildren.Oneisthattheseinstinctsappearataveryyoungagebeforemostparentshavestartedtotrainchildrentobehavesocially.AnotheristhatthehelpingbehaviorsarenotimprovedifthechildrenarerewardeD.A.thirdreasonisthatsocialintelligencedevelopsinchildrenbeforetheirgeneralcognitive认知的skillsatleastwhencomparedwithchimps.IntestsconductedbyTomtasellthechildrendidnobetterthanthechimpsonthephysicalworldtestsbutwereconsiderablybetteratunderstandingthesocialworldThecoreofwhatchildren’smindshaveandchimps’don’tiswhatTomasellocallssharedintentionality.Partofthisabilityisthattheycaninferwhatothersknoworarethinking.ButbeyondthatevenveryyoungchildrenwanttobepartofasharedpurposE.Theyactivelyseektobepartofaweagroupthatintendstoworktowardasharedgoal.33.Whatcanwelearnfromtheexperimentwithchimps?A.Chimpsseldomcareaboutothers’interests.B.Chimpstendtoprovidefoodfortheirchildren.C.Chimpsliketotakeintheirneighbors’fooD.D.Chimpsnaturallysharefoodwitheachother.34.MichaelTomasello’stestsonyoungchildrenindicatethatthey____.A.havetheinstincttohelpothersB.knowhowtoofferhelptoadultsC.knowtheworldbetterthanchimpsD.trustadultswiththeirhandsfull35.Thepassageismainlyabout____.A.thehelpingbehaviorsofyoungchildrenB.waystotrainchildren’ssharedintentionalityC.cooperationasadistinctivehumannatureD.thedevelopmentofintelligenceinchildren
Onceuponatimesciencefictionwasjustastyleamongotherstyles.Therewerecrimestoriestherewerehorrorstoriestherewasliteraryfiction–andtherewassciencefiction.Buttodaysciencethemesdominatetheseotherstyles.It’sdifficulttothinkofmuchmoderncrimehorrororseriousfictionthatdoesn’tinvolvesciencE.Andit’snotjustbooks.Witheverysecondmovieandcomputergamehavingasci-fielementsciencefictionseemstohavecontrolledourentireentertainmentculturE.It’sclearthatifwewanttodefinesciencefictionweshouldrelateittotherolethatscienceplaysinourlives.Perhapstheplacetostartisbynotingwhenitbegan.Althoughsomeexpertshaveclaimedtobeabletotracesci-fibacktoancienttimesitismoreplausibletofinditininitialforminthe19thcenturywhenindustrialsocietiesarosE.OneofthefeaturesthatsetindustrialsocietiesapartfromotherkindswastheincreasingpartthatscienceplayedineverydaylifE.FactorieswithvastmachinesturnedouthugequantitiesofgoodswhichweretransportedbytrainsmotorvehiclesandshipsallovertheworlD.Citieswerebuiltonthebackoftechnologywithelectricityinhomesandhospitalshelpingeveryonetoleadhealthiermoreconvenientlives.Allofthesechangeshadgreateffectsnotonlyonpeople’sreallivesbutontheirimaginativeones.WritersbegantoarticulatethesechangingphysicalandmentallandscapeseventuallygivingsciencefictionalargeanddevotedfanbaseofespeciallyyoungreaderswhofoundthatitspoketotheircuriosityaboutthefuturethatsciencewouldcreatE.Butsci-fireflectedfearsaboutsciencemorethanitdidhopes.ThesetypicalearlysciencefictionnovelmightbeaUKnovellikeH.G.Wells’TheWaroftheWorlds1897.WithgreatskillWellsplayeduponthefearsoftechnologybyimaginingEarthunderthreatbyacivilization–thatofmenfromMars.ThesciencefictionoftodayexpressestheimpactofthecomputingrevolutionroboticsandourenvironmentalchallengeswhileitislessconcernedwithlittlegreenmenfromMarsandotherthemesofpastsci-fi.Giventhatsciencetechnologyandpoliticsarealwaysintertwined交织contemporarysciencefictionoftenhasagreatdealtosayaboutpower.Manyrecentnovels–likeAmericanCoryDoctorow’sLittleBrother2008–areconcernedwithgovernmentandsecurityserviceconspiracies阴谋againstthepeopleparticularlyastherevelationsofwhistleblowerslikeEdwardSnowdensinkin.Thiscangivesci-fiwritingaskepticalfeel.Thisunderlinesoneofthefeaturesthatremainsconstantbetweenthebeginningsoftheempireofsciencefictionanditsstatetoday.Asthensonow:Wewanttoreadabouthowfearfulthefuturewillbenothowitwillbeaparadise天堂.32.TheunderlinedworddominateinParagraph1probablymeans_________.A.induceB.representC.interfereD.influence33.Whatcausedsciencefictiontoappearinthe19thcentury?A.ThecuriosityofyoungreadersaboutthefuturE.B.Thechangesthattheindustrialrevolutionbroughtabout.C.People’sstretchedimaginationaffectedbytheirreallifE.D.People’sfearsaboutscienceratherthanhopes.34.Whatismostlyconveyedincontemporarysciencefiction?A.OurearthisthreatenedbyaliensfromMars.B.ModerncrimeandhorrorareinvolvedinsciencE.C.Powerisaveryimportantelementtoensuresecurity.D.Entertainmentcultureandenvironmentalissuesarecrucial.35.What’sthemainideaofthepassage?A.Theimpactofthesciencefiction.B.Thedevelopmentofthesciencefiction.C.Thecontentofthesciencefiction.D.Thecharacteristicofthesciencefiction.
TherainhadcontinuedforaweekandthefloodhadcreatedabigriverwhichwererunningbyNancyBrown’sfarm.Asshetriedtogatherhercowstoahighergroundsheslippedandhitherheadonafallentreetrunk.Thefallmadeherunconscious昏迷foramomentortwo.WhenshecametoLizzieoneofheroldestandfavoritecowswaslicking舔herfacE.Atthattimethewaterlevelonthefarmwasstillrising.NancygatheredallherstrengthtogetupandbeganwalkingslowlywithLizziE.Therainhadbecomemuchheavierandthewaterinthefieldwasnowwaisthigh.Nancy’spacegotslowerandslowerbecauseshefeltagreatpaininherheaD.FinallyallshecoulddowastothrowherarmaroundLizzie’sneckandtrytohangon.About20minuteslaterLizziemanagedtopullherselfandNancyoutoftherisingwaterandontoabitofhighlandwhichseemedlikeasmallislandinthemiddleofalakeofwhitewater.EventhoughitwasaboutnoontheskywassodarkandtherainandlightningwassobadthatittookrescuersmorethantwohourstodiscoverNancy.A.manfromahelicopter直升飞机loweredaropebutNancycouldn’tcatchit.A.momentlatertwomenlandedonthesmallislandfromaladderinthehelicopter.TheyraisedherintothehelicopterandtookhertotheschoolgymwheretheRedCrosshadsetupanemergencyshelter.WhentheflooddisappearedtwodayslaterNancyimmediatelywentbacktotheislanD.LizziewasgonE.Shewasoneof19cowsthatNancyhadlostintheflooD.IowemylifetohersaidNancywithtears.21.WhatdidNancytrytodobeforeshefellover?A.MeasurethedepthoftheriverB.LookforafallentreetrunkC.ProtecthercowsfrombeingdrownedD.Runawayfromthefloodedfarm22.Weknowfromthesecondparagraphthat______.A.Nancywasveryweakafterwakingup.B.Therewasasmallislandinthefarm.C.LizzieputNancyonherbackandcarriedher.D.LizziewaskilledbytheflooD.23.Thefollowingaretrueaccordingtothepassageexcept_____.A.IttookLizzieandNancyabout20minutestogettosafety.B.ItwasrainingharderwhenNancymanagedtogetup.C.ThebadweathermadeitdifficultforrescuerstofindNancy.D.Nancytookholdoftheropeandclimbedintothehelicopter.24.Whatdidthelocalpeopledotohelpthoseinthefloodedareaaccordingtothepassage?A.Theyputupshelterfortheminaschool.B.Theyusedhelicopterstohelpcarrycows.C.Theyhelpedfarmersgathertheircows.D.TheysetupanorganizationcalledRedCross.
GreenisanimportantcolorinnaturE.Itisthecolorofgrassandtheleavesontrees.Itisalsothecolorofmostgrowingplants.Sometimesthewordgreenmeansyoungfreshandgrowing.SometimesitdescribessomethingthatisnotyetripeorfinisheD.A.greenhornissomeonewhohasnoexperiencE.whoisnewtoasituation.ButinthefifteenthcenturyagreenhornwasayoungcoworoxwhosehomehadnotyetdevelopeD.A.centuryorsolateragreenhornwasasoldierwhohadnotyethadanyexperienceinbattlE.Bytheeighteenthcenturyagreenhornhadthemeaningithastoday--apersonwhoisnewinajoB.SomeonewhohastheabilitytogrowplantswellissaidtohaveagreenthumB.Theexpressioncomesfromtheearlynineteenhundreds.A.personwithagreenthumbseemstohaveamagictouchthatmakesplantsgrowquicklyandwell.YoumightsaythatthewomannextdoorhasagreenthumbifhergardencontinuestogrowlongafteryourplantshavedieD.Thegreen-eyedmonsterisnotafrighteningcreaturefromouterspaceItisanexpressionusedaboutfourhundredyearsagobyBritishwriterWilliamShakespeareinhisplayOthello.Itdescribestheunpleasantfeelingapersonhaswhensomeonehassomethinghewants.Green-eyedmonstermayaffectyourfriendifyougetapayraiseandshedoesnot.InmostplacesintheworldagreenlightisasignaltomoveaheaD.A.greenlightonatrafficsignalmeansyourcarcancontinueon.Ineverydayspeechagreenlightmeansapprovaltocontinuewithaproject.29.Howmanyexpressionsincludinggreenarementionedinthepassage?A.ThreE.B.Four.C.FivE.D.Six.30.Whatdoesagreenhornmeannow?A.A.personwhohasrichjobexperiencE.B.A.soldierwhohasnotyetanyexperienceinbattlE.C.A.youngcoworoxwhosehornshavenotyetdevelopeD.D.A.personwhoisagreenhandwithoutanyexperiencE.31.Whichexpressioncanbeusedifyourfriendisgoodatgrowingplants?A.A.greenthumB.B.A.greenlight.C.A.greenhornD.Thegreen-eyedmonster.32.Whatwillmakeyousufferfromthegreen-eyedmonster?A.YoumeetafrighteningcreaturE.B.YouwatchtheplayOthello;C.YourhaveatroubleD.YougetapayraisE.
Manypeoplethinkthatthemostpopularwayofcommunicatingwithotherpeopleisthroughthemouth.Butwhattheydon’tknowisthatactualcommunicationusingthemouthaccountsforonlyaround10%orevenlessofallthemeanstocommunicateamessagE.MoreoveryoucanneverdeterminethetruthfulnessorhonestyofpeoplebywhattheysayalonE.Infactwordsexpressedthroughthemouthoftendonotreflectwhatpeoplereallythinkorfeel.ThemorereliablewayyoucandeterminetheirtrueinnerfeelingsandthoughtsisbyreadingtheirbodylanguagE.Everybodycommunicatesusingthesegesturesandifyouunderstandthegesturesandtheirmeaningsyouwillbeabletoreadpeopleandknowwhattheyarereallycommunicatingtoyou.Oneresearcherevenwentasfarastosaythatwespeaktohidewhat’sonourminds.ButgesturescannotliE.Haveyoueverwonderedwhatitwouldbelikeifyoucanseethroughtheemotionsofotherpeople?Let’ssayyouaskapersonwhetherhecandoanimportanttask.HesaysOK.ButdeepinsideyouarequestioningyourselfIshereallywillingtodothisjob?orDoeshehavetheconfidenceinfinishingthistask?Youcan’tquestionhimdirectlybecausethatwouldbelikebelittlinghim.Andevenifyouaskhimthosequestionshisreplieswillnottellyouwhathereallyfeelsorthinks.SothemostusefulwayistoobservehisbodylanguagE.Expressionslikesmilingfrowningpoutingfacialreddeningsweatingtoecurlingandsidewaysglancesarevisiblehintsthatcanhelpyoumakearightjudgment.21.Accordingtothepassageweknow_______.A.wordsthroughthemoutharethemostcommonwayincommunicationB.bodylanguageisthequickestwaytohelppeopleunderstandeachotherC.expressionsarethemostpowerfultooltojudgewhetheramanisconfidentornotD.youmayknowwhatapersonreallythinkswiththehelpofreadinghisbodylanguage22.Whatdoestheunderlinedsentencemeaninthesecondparagraph?A.WecanexpressourselveswellbybodylanguagE.B.WeusewordstopreventothersknowingourtruethoughtsC.Spokenwordscanfullyreflectourtrueself.D.Weusebodylanguagetohelpexpressourselves23.Theunderlinedwordinthethirdparagraphcanbereplacedwith______A.lookingdownuponB.speakinghighlyofC.laughingatD.believingin
RaftingtheGRANDCANYONWelcomesYou!ForanexcitingfunandchallengingwhitewatertoursRaftingtheGRANDCANYONisheretohelpyouplantherighttourforyou.Whetheryouwanttotravelfortwodaysortenhikeinornotgoonanoarraftormotorizedtripwewillhelpyoufindthetripthatmeetsyourneeds.ForthosewhowillbevacationingontheoffseasonatripontheNativeAmericanRedRiverraftingisavailableyeararoundoraonedaytripisavailableontheColoradoRiverfromDiamondCreektoPierceFerryaboutthreehoursfromLasVegas.MostofthetripsdepartfromLeesFerryArizonaapproximately21/2hoursfromthesouthrimoftheGrandCanyon.WeofferpartialtripswhichallowyoutogetonoroffatPhantomRanchlocatedatthebottomoftheGrandCanyonNationalParkSouthRim.Requiringahikeinoroutwithproperplanningthehorserideupordownisalsoanoption.MosttripsoccurbetweenAprilandOctober.SinceallraftingontheColoradorequiresapermitplanningandreservingyourtriprequiresreservationswellinadvancE.Pleaseletusknowwhenyouwouldliketogoandwewillcontactalltheriverconcessionaires特许权获得者tohelpyoufindthebesttripforyou.Forplanningyourtripquestionsconcernsortomakeyourreservationspleaseemailorcallthetollfreenumberbelow.SincethesetripsarelimitedwehighlyrecommendyoumakeyourreservationsmonthsinadvancE.Totalktoalivepersoncallustollfree18002226966or7026556060IfyouhaveanyquestionsregardingatrippleaseCLICK_HEREtofilloutourform.Thiswillspeeduptheprocessofgettingyouaccurateinformationregardingyourtrip.Ifyouwouldliketosendusanemailotherthanaboutanupcomingtripyoucancontactusatinfo@raftingthegrandcanyon.com.Welookforwardtohelpingyouplanyourtrip!PleaseNOTravelAgents12.Ifyoudon'twanttotakeanalldistancetripyoucanstartat______.A.DiamondCreekB.LeesFerryC.PhantomRanchD.PierceFerry13.OnthetripontheGrandCanyonyouarenotrecommendedtoenjoy______.A.oarraftrowingB.travelingonfootC.animalridingD.swimmingentertainment14.PeopleusuallyhaveatriptotheGrandCanyoninthemonthsexcept_______.A.JunE.B.February.C.October.D.September.15.RaftingtheGrandCanyondoesn'tsuggestthereadercontacttheminthewayof______.A.callingatitinpersonB.fillingaformC.sendinganemailD.makingacall
Galaxysawamanandawomanwhocommunicatedwiththesignlanguageatthetrainstationwhenshewasonthewayhomeoneevening.Shenoticedthatthewomanaskedthemanforthedirection.Hetoldherthathedidnotknow.Galaxydecidedtohelpthem.Shehadlearnedthesignlanguagewhensheservedasavolunteerinthedeafandmute聋哑school.Thensheshowedthewomanthedirectionandleftheremailaddresstothemincasetheyneededherhelplater.Shereceivedanemailfromthatmanthenextday.KazrimwashisnamE.Galaxyrepliedhismailsincerely.Theybothstartedchattingonlinesoonafterandbeganseeingeachother.Althoughtheyonlycommunicatedwiththesignlanguageitneverbotheredher.Galaxywasfondofhimgradually.ObviouslyKazrimwasthesametoo.HepresentedGalaxywithabunchofsunflowersandaskedhersincerelyAreyouwillingtobemygirlfriend?GalaxywaspleasantlysurpriseD.Sherequestedhimtogivehersometimetopersuadeherparents.Asshehadexpectedherparentswereveryangryaftertheyhadlearnedoftheirlovestory.GalaxyexplainedKazrimisanexcellentandaveryoptimisticperson.Hehasaverypositiveattitudetowardslifeandwork.Hecaresforothersalways.Heis100％betterthanthenormal.Moreoverthemuteisstillahuman.HeshouldpossessaperfectandwonderfullovE.Herparentsaskedtoseehimthen.TheveryworriedGalaxytookKazrimhomeafewdayslater.WhentheywereonthetrainKazrimtoldher‘‘I’mgoingtotellyourparentsI’llbelookingafteryouwellwithallmylife!GalaxywasdeeplymoveD.AssoonastheyhadenteredthehouseGalaxyintroducedhimtoherparents.Shesaid‘‘ThisisKazrim.JustrightafterherspeechanunbelievablethinghappeneD.Kazrimthrewthegiftawayandheldherinhisarmstightly.HesaidYOUCANTALK?ItwasthesamequestionthatGalaxywantedtoasktoo.Thefourpeoplewereshockedallofasudden.AsamatteroffactKazrimalwaysbelievedthatGalaxywasamuteandhestillfellinlovewithherdeeply.1.HowdidGalaxyandKazrimgettoknoweachother?A.TheymeteachotherbychancE.B.Theywereintroducedtoeachother.C.Theyoncestudiedatthesameuniversity.D.Theybothservedinaspecialneedsschool.2.HowdidGalaxyprobablycommunicatewithKazrimbeforeshetookhimhome?A.Writingwordsonpaper.B.UsingthesignlanguagE.C.Judgingfromhisexpression.D.SpeakinghernativelanguagE.3.Whatcanwelearnaboutthetwoyoungpeoplefromthepassage?A.Theyfellinloveatthefirstsight.B.TheycheatedeachothertowinlovE.C.Theymistookeachotherforbeingmutes.D.TheyignoredtheangerofGalaxy’sparents.
LifeisgoodforpenguinsinAntarctica南极洲attheendofthemovieHappyFeet.Real-lifepenguinsthoughhavelittletocelebratE.Twelveoftheworld’s19penguinspecies种类faceseriousdangersaccordingtowildlifeexperts.Theyareindangerofdisappearingfromtheearthincludingemperorpenguins.Manyoftheworld’spenguinspeciesareinbigtroublepenguinexpertKasselSiegeltoldWRNews.HerwildlifegroupisaskingtheUSgovernmenttoprotectthe12speciesofpenguinsindanger.SeveralcountriesaremakingeffortstomakesuretherapidlyincreasingtouristsinAntarcticadonotcauseenvironmentalproblems.Overfishingisonereasonfortheproblem.Penguinseatsmallfishandtinyanimalscalledkrill.Fishingboatsarecatchinglotsofkrill.Thatleaveslessfoodforpenguinstoeat.Anotherreasonforthedecline减少inthenumberofpenguinsisglobalwarming.GlobalwarmingistheslowincreaseinaveragetemperaturearoundtheworlD.Itiscausingseaicetomelt.Penguinsneedtheseaiceasaplacetorestwhiletheysearchforkrill.Scientistssayglobalwarmingiscausedwhenwedrivecarsoruseelectricity.Thatburnscoaloilandnaturalgas.Theburningofcoaloilandnaturalgasgivesoffgasesthataddtotheoverheatingoftheearth.Wecanandmustreducegasemissions排放tokeeppenguinssafeinthefuturesaysSiegel.6.Whatwouldprobablyhappenifpeoplereducedtheiruseofcoaloilandnaturalgas?A.PenguinswouldhavetomovetootherplacestolivE.B.Penguinswouldbelesslikelytodisappearfromtheearth.C.Therewouldbemorekrillforpenguinstoeat.D.Itwouldsavepeoplealotofmoney.7.Whichofthefollowingarethereasonsforthedeclineinthenumberofpenguins?A.Thedevelopmentoftourismandoverheating.B.Overfishingandattacksfromotheranimals.C.Overfishingandoverheating.D.Thedevelopmentoftourismandattacksfromotheranimals.8.WhichofthefollowingisTRUEaccordingtothepassage?A.Penguinsmainlyliveonsmallfishandtinyanimalswhichliveinwater.B.Penguinsneedtheseaiceasaplacetofeedtheirchildren.C.Nineteenoftheworld’spenguinspeciesfaceseriousdangers.D.TheUSgovernmenthastakenmeasurestoprotectthepenguinsindanger.
ResearchersfromFranceandItalydiscoveredthatCanadianparentsarelessstrictwiththeirchildrenthanmothersandfathersinFranceandItaly.OurmostimportantfindingwasthedifferencebetweenCanadiansandtheotherssaidProfessorMichelClaestheleadauthorofthestudy.Canadiansfocusonindependenceandnegotiation.OntheotherhandItaliansforexampleexercisemorecontrol.WefoundCanadiansseemtofocusonnegotiationincaseofaconflict.ClaessaidCanadaFranceandItalywereselectedforthestudybecausetheyshareimportantculturalandsocialfactors.WechoseFrenchCanadiansbecausetheysharethesamelanguageasFranceandoriginallycamefromFranceandsharecertainvalues.ItalywasincludedbecauseitwasconsideredtohavesimilarstrongandimportantfamilyvaluesheexplaineD.Theresearchersexaminedtheemotionaltiesbetweenparentsandtheirchildrenbyquestioning1256studentsaged11to19yearsolD.Canadianstudentsreportedlesscontrolandmorefreeactionsaccordingtothestudy.ItalianparentswerestricterandFrenchparentsweresomewhereinthemiddlE.ClaesexplainsthatthedifferenceslieineducationinCanadaFranceandItaly.NorthAmericahasitsowneducationalvalueswhichpromoteindividualization.Toleranceandcomprehensionareencouraged.Italyontheotherhandpromotesrespectofauthoritycontrolandtheneedforpermission.hesaiD.Childrenfromallthreecountriesdescribedtheirmothersaswarmandcommunicative.ItalianandCanadianchildrenhadsimilarfeelingsabouttheirfathersandreportedhighlevelsofemotionalties.ButFrenchfathersweregenerallythoughtbytheirchildrentobemoredistantandcolD.WeweresurprisedbythisClaesadmitteD.ItseemsasthoughtherelationshipsbetweenFrenchmothersandtheirchildrenwerebecomingcloserovertimewhilefathersmaintainaformofdistanceandcoldnesswhichismoreofasourceofconflictinFrancethanintheothercountries.1.ProfessorMichelClaesbelievesthatCanadaFranceandItaly________.A.havethesamefamilyspiritB.havesomesimilarculturaltraditionsC.haveexperiencedsomesimilarsocialchangesD.haveexperiencedsimilarculturaldevelopments2.Howdidtheresearcherscarryoutthestudy?A.BycollectinganswersofparentsfromCanadaFranceandItaly.B.BycollectinganswersofchildrenfromCanadaFranceandItaly.C.ByquestioningparentsandtheirchildrenfromItalianCanadianfamilies.D.ByquestioningchildrenfromFrenchCanadianfamilies.3.AccordingtoMichelClaeswhatmainlyleadstothedifferencesinparentchildrenrelationshipsamongCanadaFranceandItaly?A.Educationalopportunities.B.Traditionalideas.C.Educationalvalues.D.Historicalevents.
InMaytherearelotsofadultdeerticks壁虱inMinnesotawhichareresponsiblefortransmittinganumberofdiseasesincludingLymeDiseasE.AMilacamanknowsfirst-handjusthowdangerousthediseasecanbE.LymeDiseaseisprobablyoneofthemostmiserablethingsIcanimagineandIwouldn’twishitonanybodysaidChrisRichter.In1996Richternoticedadeertickonthebackofhisleftlegandshortlyafterhedevelopedafeverandarash皮疹.Isawadoctor.Hewasn’ttooconcernedatthetimesaidRichter.MonthsafterRichtervisitedthedoctorhecamedownwithsymptomsofLymeDiseasE.IwokeupjustabsolutelytireD.IhadheadachesallthetimE.IhadahardtimereadingthingsandunderstandingthemhesaiD.Richterlivedwiththosesymptomsformorethantenyears.FinallylastsummeradoctorinDuluthmadeaproperdiagnosis.RichterispartofanincreasingtrenD.ThenumberofLymeDiseasecasesinMinnesotahavemorethandoubledsince2000.Lastsummerthestatesetanewrecordwith1239casesofLymeDiseasE.TheDepartmentofHealthsaidtherecouldbeanumberofreasonsfortheincreasE.Deerandrodent啮齿动物populationshaveriseninrecentyearsandtheyaremaincarriersfordeerticks.Andmorepeoplearelivingnearwoodenareaswhichisanaturalhabitatfordeerticks.WithmedicationChrisfeelsthebesthehasfeltinover10years.Stillheknowsthatheisnotoutofthewoodsyet.I’mimprovingsteadily.Hopefullyit’sgonebuttherereallyisnowaytoknowthattheLymeDiseaseisgonesaidRichter.TherearemanysymptomsofLymeDiseasE.Themostdistinctiveisarashthatlookslikeabull-eye靶心.Feverfatigue疲劳andjointachesareothersymptoms.5.WhendidChrisRichterknowhedevelopedLymeDisease?A.Shortlyafterhewasbittenbyadeertick.B.Afterhesawadoctorin1996.C.WhenadoctorinDuluthmadeadiagnosis.D.AfterhehadsymptomsofLymeDiseasE.6.TheunderlinedpartheisnotoutofthewoodsinParagraph8means______.A.hehasn’tleftthewoodenareasB.hehasn’trecoveredC.hedoesn’tknowthereasonforhisdiseaseD.hedoesn’tfeelbetter7.Inwhichcolumncanyoumostprobablyreadthispassage?A.Health.B.Weather.C.Travel.D.Education.
DrivinginCanadaissimilartodrivinginmanypartsoftheUnitedStates.DistancesandspeedshoweverarepostedinkilometersperhourandsomesignsparticularlyinQuebecmayonlybeinFrench.Unlessotherwisepostedthemaximum最大限度的speedlimitinCanadais50km/hrincitiesand80km/hronhighways.Onruralhighwaysthepostedspeedlimitmaybe100km/hr.Itisnotallowedtotakeautomobileradardetectors汽车雷达检测器intoQuebecOntarioManitobaandtheYukon.Seatbeltuseisrequiredbylawforallpassengersandchildcarseatsmustbeusedbychildrenunder40pounds.Someprovincesrequiredriverstokeeptheirvehicles’headlightsonduringthedayandsomehavebanned禁止drivingwhileusingahand-heldcellphonE.Motorcyclescannotsharealane车道andsafetyhelmetsformotorcycleridersandpassengersarenecessary.RunningaredlightisaseriouscrimethroughoutCanadaanddriversareadvisedtostopbeforestartingwhenalightturnsgreen.Wintertravelcanbedangerousduetoheavysnowfallsandicyconditions.Someroadsandbridgesareoftenclosedinwinter.Snowtiresarerequiredinsomeprovinces.Travelersshouldalsobecarefulaboutanimalswhiledrivingatnightinruralareas.Highway401fromDetroittoMontrealisoneofthebusiesthighwaysinNorthAmericA.IthasbeenthesceneofmanytrafficaccidentsduetosuddenandsevereweatherchangeshighratesofspeedandheavytrucktraffiC.ThusdriversshouldbealertwhiletravellingherE.PleaserefertoourRoadSafetypageformoreinformationandtips.AlsowesuggestthatyouvisitthewebsiteofCanada’snationalauthorityresponsibleforroadsafety.28.WhichofthefollowingisTRUEaccordingtothetext?A.AllsignsontheroadsinQuebecareinEnglish.B.AutomobileradardetectorsareallowedtobeusedinManitobA.C.PassengersmaychoosenottowearseatbeltswhileinacarinCanadA.D.ThespeedofcarsinCanadiancitiesshouldbelessthan50km/hr.29.WhichofthefollowingisNOTmentionedthathaveledtodeadlyaccidentsonHighway401?A.BadweatherB.DrunkdrivingC.HighspeedD.Heavytraffic30.Whatisthebesttitleforthetext?A.DifferenttrafficrulesinCanada.B.TipsfortravelingbycarinCanada.C.SpecialrulesfordrivinginCanada.D.TrafficsafetyandroadconditionsinCanada.31.Thispassageismainlywrittenforthe_________.A.driversinCanadaB.DriversinAmericaC.TrafficpoliceinCanadaD.TrafficpoliceinAmerica
Morethan10yearsagoitwasdifficulttobuyatastypineapplE.ThefruitsthatmadeittotheUKweregreenontheoutsideandmoreoftenthannothardwithanunpleasanttastewithin.Thenin1996theDelMonteGoldpineappleproducedinHawaiifirsthitourshelves.Thenewtypeofpineapplelookedmoreyellowy-goldthangreen.ItwasslightlysofterontheoutsideandhadalotofjuiceinsidE.Butthemostimportantthingaboutthisnewtypeofpineapplewasthatitwastwiceassweetasthehit-and-misspineappleswehadknown.InnotimetheDelMonteGoldtookthemarketbystormrapidlybecomingtheworld'sbest-sellingpineapplevarietyanddeliveringnaturallevelsofsweetnessinthemouthupuntilthenonlyfoundintinnedpineapplE.Innutritionitwasallgoodnewstoo.Thisnice-tastingpineapplecontainedfourtimesmorevitaminC.thantheoldgreenvariety.Nutritionistssaidthatitwasnotonlyfullofvitaminsbutalsogoodagainstsomediseases.Peoplewereunderstandablyeagertobeabletobuythiswonderfulfruit.ThenewtypeofpineapplewassellingfastandtheDelMonteGoldpineapplerapidlybecameafixtureintheshoppingbasketofthehealthyeater.SeeingthegrowingmarketforitswinningpineappleDelMontetriedtokeepthemarkettoitself.Butotherfruitcompaniesdevelopedsimilarpineapples.DelMonteturnedtolawforhelpbutfaileD.ThosecompaniesarguedsuccessfullythatDelMonte'sattemptstokeepthegoldenpineappleforitselfwerejustawaytoknockthemoutofthemarket.28.Welearnfromthetextthatthenewtypeofpineappleis__________________.A.greenoutsideandsweetinsideB.good-lookingoutsideandsoftinsideC.yellowy-goldoutsideandhardinsideD.alittlesoftoutsideandsweetinside29.Whywasthenewtypeofpineapplesellingwell?A.Itwasrichinnutritionandtastednice.B.Itwaslesssweetandgoodforhealth.C.ItwasdevelopedbyDelMonte.D.Itwasusedasmedicine.30.TheunderlinedwordfixtureinParagraph3probablyreferstosomething__________________.A.thatpeopleenjoyeatingB.thatisalwayspresentC.thatisdifficulttogetD.thatpeopleuseasagift31.WelearnfromthelastparagraphthatDelMonte__________________.A.allowedothercompaniestodeveloppineapplesB.succeededinkeepingthepineappleforitselfC.triedhardtocontrolthepineapplemarketD.plannedtohelptheothercompanies
Ifyouthinkahigh-factorsunscreen防晒霜keepsyousafefromharmfulraysyoumaybewrong.Researchinthisweek’sNatureshowsthatwhilefactor50reducesthenumberofmelanomas黒瘤anddelaystheiroccurrenceitcan’tpreventthem.Melanomasarethemostaggressiveskincancers.YouhaveahigherriskifyouhaveredorblondhairfairskinblueorgreeneyesorsunburneasilyorifacloserelativehashadonE.Melanomasaremorecommonifyouhaveperiodicintenseexposuretothesun.Otherskincancersareincreasinglylikelywithlong-termexposurE.Thereiscontinuingdebateastohoweffectivesunscreenisinreducingmelanomas---theevidenceisweakerthanitisforpreventingothertypesofskincancer.A.2011Australianstudyof1621peoplefoundthatpeoplerandomlyselectedtoapplysunscreendailyhadhalftherateofmelanomasofpeoplewhousedcreamasneedeD.A.secondstudycomparing1167peoplewithmelanomasto1101whodidn'thavethecancerfoundthatusingsunscreenroutinelyalongsideotherprotectionsuchashatslongsleevesorstayingintheshadedidgivesomeprotection.Thisstudysaidotherformsofsunprotection---notsunscreen---seemedmostbeneficial.Thestudyreliedonpeoplerememberingwhattheyhaddoneovereachdecadeoftheirlivessoit'snotentirelyreliablE.Butitseemsreasonabletothinksunscreengivespeopleafalsesenseofsecurityinthesun.Manypeoplealsodon'tusesunscreenproperly---applyinginsufficientamountsfailingtoreapplyafteracoupleofhoursandstayinginthesuntoolong.Itissunburnthatismostworrying---recentresearchshowsfiveepisodesofsunburnintheteenageyearsincreasestheriskofallskincancers.ThegoodnewsisthatacombinationofsunscreenandcoveringupcanreducemelanomaratesasshownbyAustralianfiguresfromtheirslip-slop-slapcampaign.Soifthereisaheatwavethissummeritwouldbebestforustootosliponashirtslopon抹上sunscreenandslaponahat.32.WhatdoestheresearchinNaturesayaboutahigh-factorsunscreenA.Itisineffectiveinpreventingmelanomas.B.Itisineffectiveincaseofintensesunlight.C.Itisineffectivewithlong-termexposurE.D.Itisineffectiveforpeoplewithfairskin.33.Whatdowelearnfromthe2011Australianstudyof1621peopleA.Sunscreenshouldbeappliedalongsideotherprotectionmeasures.B.High-riskpeoplebenefitthemostfromtheapplicationofsunscreen.C.IrregularapplicationofsunscreendoeswomenmoreharmthangooD.D.Dailyapplicationofsunscreenhelpsreducetheincidenceofmelanomas.34.WhatdoestheauthorsayaboutthesecondAustralianstudyA.Itmisleadspeopletorelyonsunscreenforprotection.B.Ithelpspeopletoselectthemosteffectivesunscreen.C.Itisnotbasedondirectobservationofthesubjects.D.ItconfirmstheresultsofthefirstAustralianstudy.35.WhatdoestheauthorsuggesttoreducemelanomaratesA.Usingbothcoveringupandsunscreen.B.StayingintheshadewheneverpossiblE.C.Usingcoveringupinsteadofsunscreen.D.Applyingtherightamountofsunscreen.
Doeshappinesshaveascent?Whensomeoneishappycanyousmellit?Youcanusuallytellwhensomeoneishappybasedonseeingthemsmilehearingthemlaughorperhapsfromreceivingabighug.Butcanyoualsosmelltheirhappiness?SurprisingnewresearchsuggeststhathappinessdoesindeedhaveascentandthattheexperienceofhappinesscanbetransmittedthroughsmellreportsPhys.org.Forthestudy12youngmenwereshownvideosmeanttobringaboutavarietyofemotionswhileresearchersgatheredsweatsamplesfromthem.AllofthemenwerehealthyandnoneofthemweredrugusersorsmokersandallwereaskedtoabstainfromdrinkingoreatingsmellyfoodsduringthestudyperioD.Thosesweatsampleswerethengivento36equallyhealthyyoungwomentosmellwhileresearchersmonitoredtheirreactions.Onlywomenwereselectedtosmellthesamplesapparentlybecausepreviousresearchhasshownthatwomenhaveabettersenseofsmellthanmenandarealsomoresensitivetoemotionalsignaling—thoughit’sunclearwhyonlymenwerechosentoproducethescents.Researchersfoundthatthebehaviorofthewomenaftersmellingthescents—particularlytheirfacialexpressions—indicatedarelationshipbetweentheemotionalstatesofthemenwhoproducedthesweatandthewomenwhosniffedthem.Humansweatproducedwhenapersonishappybringsaboutastatesimilartohappinessinsomebodywhobreathesthissmellsaidstudyco-authorGunSeminaprofessoratKocUniversityinTurkey.Thisisafascinatingfindingbecauseitnotonlymeansthathappinessdoeshaveascentbutthatthescentiscapableoftransmittingtheemotiontoothers.Thestudyalsofoundthatotheremotionssuchasfearseemtocarryascenttoo.Thisensurespreviousresearchsuggestingthatsomenegativeemotionshaveasmellbutitisthefirsttimethishasprovedtobetrueofpositivefeelings.ResearchershaveyettoisolateexactlywhatthechemicalcompoundforthehappinesssmellisbutyoumightimaginewhatthepotentialapplicationsforsuchafindingcouldbE.HappinessperfumesforinstancecouldbeinventeD.Scenttherapies香味疗法couldalsobedevelopedtohelppeoplethroughdepressionoranxiety.Perhapsthemostsurprisingresultofthestudyhoweverisourbroadenedunderstandingofhowemotionsgetcommunicatedandalsohowourownemotionsarepotentiallymanagedthroughoursocialcontextandtheemotionalstatesofthosearoundus.28.Whatisthemainfindingofthenewresearch?A.Menproducemoresweats.B.Negativeemotionshaveasmell.C.Pleasantfeelingscanbesmeltout.D.Womenhaveabettersenseofsmell.29.TheunderlinedpartabstainfrominParagraph3probablymeans_________.A.avoidB.practiceC.continueD.try30.Whatistheapplicationvalueofthenewresearch?A.Perfumescouldhelppeopleunderstandeachother.B.SomesmellscouldbedevelopedtobetterourmooD.C.Perfumescouldbeproducedtocurephysicaldiseases.D.SomesmellscouldbecreatedtoimproveourappearancE.31.Wecanlearnfromthelastparagraphthat___________.A.happinesscomesfromascentofsweatB.positiveemotionscandeepenunderstandingC.peopleneedmoreemotionalcommunicationD.socialsurroundingscaninfluenceouremotions
Genetechnologyisakindofsciencefocusingontheresearchofhumangenes.Itisalsocalledbiologicalengineeringwhichisdrawingmoreandmoreattentionnow.Sometimesit’sahottopicdiscussedbypeoplE.ThegreatestthingthatgenetechnologycandoistocureseriousdiseasesthatdoctorsatpresentcanalmostdonothingwithsuchascancerandheartdiseasE.Everyyearmillionsofpeoplearemurderedbythesetwokillers.Andtodatedoctorshavenotfoundaneffectivewaytocurethem.Butifthegenetechnologyisappliednotonlycanthesetwodiseasesbecuredcompletelybutalsothegreatamountofmoneypeoplespendoncuringtheirdiseasescanbesavedthereforeitbenefitstheeconomyaswell.InadditionhumanlifespanbanbeprolongeD.Genetechnologycanhelppeopletogivebirthtomorehealthyandcleverchildren.SomefamilieswiththeEnglishroyalfamilybeingagoodexamplehavehereditary遗传的diseases.Thismeanstheirchildrenwillforsurehavethefamilydiseasewhichisagreattroubleforthesefamilies.Inthepastdoctorscoulddonothingabouthereditarydiseases.Butgenetechnologycansolvethisproblemperfectly.Scientistsjustneedtofindthewronggeneandcorrectitandahealthychildwillbeborn.Somepeopleareworryingthatthegeneresearchcanbeusedtoproducehumanbeingsinlargequantities.InthepastfewyearsscientistshavesucceededincloningasheepthereforethesepeoplepredictthathumanbabieswouldsoonbecloneD.ButIbelievedclonedbabieswillnotcomeoutinlargequantitiesformostcouplesintheworldcanhavetheirbabiesinverynormalway.Ofcoursethegovernmentsmusttakecaretocontrolgenetechnology.8.Whatdoesthesetwokillersinthesecondparagraphreferto?A.Hereditarydiseasesandcancer.B.Thetwomurdererswhokilledtheclonedbaby.C.ThetwodiseasesofcancerandheartdiseasE.D.Genetechnologyandanothertreatmentofthetwodiseases.9.What’sthemainideaofthethirdparagraph?A.Genetechnologycanhelppeopletogivebirthtoababy.B.Genetechnologycanbeusedtoclonehumanbabies.C.Genetechnologycanbeusedtotreathereditarydiseases.D.GenetechnologycansolvealltheproblemsoftheEnglishroyalfamily.10.Inwhatwaycangenetechnologyhelptotreathereditarydiseases?A.UsinggenetechnologyhumanbabiescanbecloneD.B.Usinggenetechnologyscientistsfindthewronggeneandcorrectit.C.Genetechnologyhelpspeoplewithhereditarydiseasestolivelonger.D.Doctorscancurecancerandheartdiseasewiththehelpoftechnology.11.Whatisthemainpurposeofwritingthispassage?A.Expressingthewriter’sideathatgenetechnologywillbenefitpeoplE.B.Tellingpeopletheadvantagesanddisadvantagesofgenetechnology.C.TellingthereadersthatgenetechnologywillnotbenefitpeoplE.D.Explainingthatgenetechnologywillalsodoharmtothehumanity.
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