大学英语四级阅读40篇及答案

书名：《大学英语四级阅读200篇》前40篇出版社：上海交通大学出版社1/200.

Therearethreekindsofgoals:short-term,medium-rangeandlong-termgoals.

Short-rangegoalsarethosethatusuallydealwithcurrentactivities,whichwecanapplyonadailybasis.Suchgoalscanbeachievedinaweekorless,ortwoweeks,orpossiblemonths.Itshouldberememberedthatjustasabuildingisnostrongerthanitsfoundation,outlong-termgoalscannotamounttoverymunchwithouttheachievementofsolidshort-termgoals.Uponcompletingourshort-termgoals,weshoulddatetheoccasionandthenaddnewshort-termgoalsthatwillbuildonthosethathavebeencompleted.

Theintermediategoalsbukldonthefoundationoftheshort-rangegoals.Theymightdealwithjustonetermofschoolortheentireschoolyear,ortheycouldevenextendforseveralyears.Anytimeyoumoveastepatatime,youshouldneverallowyourselftobecomediscouragedoroverwhelmed.Asyoucompleteeachstep,youwillenforcethebeliefinyourabilitytogrowadnsucceed.Andasyourlistofcompletiondatesgrow,yourmotivationanddesirewillincrease.

Long-rangegoalsmayberelatedtoourdreamsofthefuture.Theymightcoverfiveyearsormore.Lifeisnotastaticthing.Weshouldneverallowalong-termgoaltolimitusorourcourseofaction.1.Ourlong-termgoalsmeanalot__.

a.ifwecompleteourshort-rangegoals

b.ifwecannotreachsolidshort-termgoals

c.ifwewritedownthedates

d.ifweputforwardsomeplans

2.Newshort-termgoalsarebulidupon__.

a.twoyears

b.long-termgoals

c.currentactivities

d.thegoalsthathavebeencompleted

3.Whenwecompleteeachstepofourgoals,__.

a.wewillwinfinalsuccess

b.weareoverwhelmed

c.weshouldbuildupconfidenceofsuccess

d.weshouldstrongdesireforsettingnewgoals

4.Onceourgoalsaredrawnup,__.

a.weshouldsticktothemuntilwecompletethem

b.wemaychangeourgoalsaswehavenewideasandopportunities

c.wehadbetterwaitfortheexcitingnewsofsuccess

d.wehavemadegreatdecision

5.Itisimpliedbutnotstatedinthepassagethat___.

a.thosewhohabelong-termgoalswillsucceed

b.writingdownthedatesmaydiscourageyou

c.thegoalisonlyaguideforustoreachourdesination

d.everyshouldhaveagoal1/200答案：adcbc2/200TheeconomyoftheUnitedstatesafter1952wastheeconnomyofawell-fed,almostfullyemployedpeople.Despitoccasionalalarms,thecountryescapedanypostwardepressionandlivedinastateofboom.Aneconomicsurveyoftheyear1955,atypicalyearofthe1950’s,maybetypicalasillustratingtherapideconomicgrowthofthedecade.Thenationaloutputwasvalueat10percentabovethatof1954(1955outputwasestimatedat392billiondollars).Theproductionofmanufacturerswasabout40percentmorethanithadaveragedintheyearsimmediatelyfollowingWorldWar2.Thecountry’sbusinessspentabout30billiondollarsfornewfactoriesandmachinery.Nationalincomeavailableforspendingwasalmostathirdgreaterthanithadbeenithadbeenin1950.Consumersspentabout256billiondollars;thatisabout700milliondollarsaday,orabouttwenty-fivemilliondollarseveryhour,allroundtheclock.Sixty-fivemillionpeopleheldjobsandonlyalittlemorethantwomillionwantedjobsbutcouldnotfindthem.Onlyagriculturecomplainedthatitwasnotsharingintheroom.Tosomeobserversthiswasanominousechoofthemid-1920’s.Asfarmer’sshreoftheirproductsdeclined,marketingcostsrose.Buttherewere,amongtheobserversofthenationaleconomy,afewwhowerenotasconfidentasthemajority.Thosefewseemedtofearthattheboomcouldnotlastandwouldeventuallyleadtotheoppsite-depression.1.Whatisthebesttitleofthepassage?a.TheAgriculaturalTrendsof1950’sb.TheUnemploymentRateof1950’sc.U.S.Economyinthe50’sd.TheFederalBudgetof19522.InLine4,theword“boom〞couldbestbereplacedby______.a.nearbyexplosionb.thunderousnoisec.generalpublicsupportd.rapideconomicgrowth3.ItcanbeinferredthenationalfromthepassagethatmostpeopleintheUnitedStatesin1955viewedthenationaleconomywithanairof_________.a.confidenceb.confusionc.disappointmentd.suspicion4.WhichofthefollowingwereLEASTsatisfiedwiththenationaleconomyinthe1950’s?a.Economistsb.Frmaersc.Politiciansd.Steelworkers5.ThepassagestatesthatincomavailableforspendingintheU.S.wasgreaterin1955thanin1950.Howmuchwasit?a.60％b.50％c.33％d.90％2/200答案：cdabc3/200Womenarealsounderrepresentedintheadministrationandthisisbecausetherearesofewwomenfullprofessors.In1985,RegentBerylMilburnproducedareportblastingtheUniversityofTexasSystemadminitrationfornotencouragingwomen.TheUniversitywasratedamongthelowestforthesystem.Ina1987update,Milburncommendedtheprogressthatwasmadeandcalledforevenmoreimprovement.OneofthepositiveresultsfromherstudywasaSystem-wideprogramtoinformwomenofavailableadministrativejobs.CollegeofCommunicationAssociateDeanPatricaWitherspoon,saiditisimportantthatwomanbeflexiblewhenitcomestorelocatingiftheywanttoriseintheranks.Althoughawomanmayfaceachillyclimateoncampus,manytimesinorderforhertosucceed,shemustriseabovetheproblemsaroundherandconcentrateonherwork.UntilwomenmakeupagreaterpercentageoftheseniorpositionsintheUniversityandallacademia,inequitieswillexist."WomenneedtospendtheirenergiesandtimedoingscholarlyactivitiesthatareimportanthereattheUniversity."Spirdusosaid."Iftheydothatwillbesuccessfulinthissystem.Iftheyspendtheirtimeinlittlegroupsmourningthesexualdiscriminationthattheythinkexistshere,theyarewastingvaluablestudytime."1.AccordingtoSpirduso,womenneedto____.duceareportonsexualdiscriminationb.callforfurtherimprovementintheirworkingconditionsc.spendtheirenergiesandtimefightingagainstsexualdiscriminationd.spendmoretimeandenergydoingscholarlyactivities2.Fromthispassage,weknowthat_____.a.therearemanywomenfullprofessorsintheUniversityofTexasb.womenplayanimportantpartinadminitratingtheUniversityc.theweatheronthecampusischillyd.womenmakeupasmallpercentageoftheseniorpositionsintheUniversity3.Whichofthefollowingstatementsistrue?a.thenumberofwomenprofessorsintheUniversityin1987wasgreaterthanthatof1985b.thenumberofwomenprofessorsintheUniversityin1987wassmallerthanthatof1985c.thenumberofwomenprofessorswasthesameasthatof1985d.moreandmorewomenprofessorsthoughtthatsexualdiscriminationdidexitintheUniversity4.OneofthepositiveresultsfromMilburn'sstudywasthat_____.a.womenweretoldtoconcentrateonteirworkb.womenweregiveninformationaboutavailableadministrativejobsc.womenwereencouragedtotakeonalltheadministrativejobsintheUnversityd.womenwereencouragedtodomorescholarlyactivities5.Thetitleforthispassageshouldbe_______.a.TheUniversityofTexasb.Milburn'sReportc.WomenProfessorsd.SexualDiscriminationinAcademia3/200答案：ddabd4/200

Today,asineveryotherdayoftheyear,morethan3000U.S.adlescentswillsmoketheirfirstcigaretteontheirwaytobecomingregularsmokersasadults.Duringtheirlifetime,itcanbeexpectedthatofthese3000about23willbemurdered,30willdieintrafficaccidents,andnearly750willbekilledbyasmoking-relateddisease.Thenumberofdeathsattributedtocigarettesmokingoutweithtsallotherfactors,whethervoluntaryorinvoluntary,asacauseofdeath.

Sincethelate1970s,whendailysmokingamonghighschoolseniorsreached30precent,smokingratesamongyouthhavedeclined.Whilethedeclineisimpressive,severalimportantissuesmustberaised.

First,inthepastseveralyears,smokingratesamongyouthhavedeclinedverylittle.Second,inthelate1970s,smokingamongmalehighschoolseniorsexceededthatamongfemalebynearly10percent.Thestatisticisreversing.Third,severalrecentstudieshaveindicatehighschooldropoutshaveexcessivelyhighsmokingrates,asmuchas75percent.

Finally,thouthsignificantdeclinesinadolescentsmokinghaveoccurredinthepastdecade,nodefinitereasonsforthedeclineexist.Withinthiscontext,theNaionalCancerInstiute(NCI)beganitscurrentefforttodeterminethemosteffecivemeasurestoreducesmokingleveslamongyouth.1.Accordingtotheauthor,thedeathsamongyoutharemainlycausedby_____.

a.trafficaccidents

b.smoking-relateddesease

c.murder

d.allofthese2.Everydaythereareover_____highschoolstrdentswhowillbecomeregularsmoker.

a.75b.23c.30d.30003.By"dropout"theauthormeans______.

a.studentswhofailedtheexamination

b.studentswholeftschool

c.studentswholosttheirway

d.studentswhoweredrivenoutofschool4.Thereasonfordecliningadolescentsmokingisthat________.

a.NCIhastakeneffectivemeasures

b.smokingispreventedamonghighschoolseniors

c.therearemanysmokerswhohavediedofcancer

d.noneofthese5.Whatisimpliedbutnotstatedbytheauthoristhat________.

a.smokingratesamongyouthhavedeclinedverylittle

b.therearenowmorefemalethanmalesmokersamonghighschoolseniors

c.highsmokingratesareduetotheinceaseinwealth

d.smokingathighschoolarefromlowsocio-economicbackgrounds4/200答案：bdbdb5/200Thefoodweeatseemstohaveprofoundeffectsonourhealth.Althoughsciencehasmadeenormousstepsinmakingfoodmorefittoeat,ithas,atthesametime,mademanyfoodsunfittoeat.Someresearchhasshownthatperhapseightypercentofallhumanillnessesarerelatedtodietandfortypercentofcancerisrelatedtothedietaswell,especiallycancerofthecolon.Differentculturesaremorelikelytocausecertaindifferentillnessesbecauseofthefoodthatischaracteristicinthesecultures.Thatfoodisrelatedtoillnessisntoanewdiscovery.In1945,about35yearsago,governmentresearchersrealizedthatnitrates,commonlyusedtopreservecolorinmeats,andotherfoodadditivies,causedcancer.Yet,thesecarcinogenicadditivesremaininourfood,anditbecomesmoredifficultallthetimetoknowwhichthingsonthepackaginglabelsofprocessedfoodarehelpfulorharmful.Theadditiveswhichweeatarenotallsodirect.Farmersoftengivepenicillintobeefandlivinganimals,andbecauseofthis,penicillinhasbeenfoundinthemilkoftreatedcow.Sometimessimilardrugsaregiventoanimalsnotformedicalpurposes,butforfinancialreasons.Thefarmersaresimplytryingtofattentheanimalsinordertoobtainahigherpriceonthemarket.AlthoughtheFoodandDrugAdministration(FDA)hastriedrepeatedlytocontroltheseprocedures,thepracticescontinue.1.Whatisthebestpossibletitleofthepassage?

a.DrugandFood

b.CancerandHealth

c.FoodandHealth

d.HealthandDrug2.WhichofthefollowingstatementsisNOTture?

a.Drugsarealwaysgiventoanimalsformedicalreasons

b.Someoftheadditivesinourfoodareaddedtothefooditselfandsomearegiventothelivinganimals

c.Researchershaveknownaboutthepotentialdangersoffoodadditivesforoverthirty-fiveyears.

d.Foodmaycausefortypercentofcancerinworld.3.Howhassciencedonesomethingharmfultomankind?

a.Becauseofscience,diseasescausedbypollutedfoodhavenbeenvirtuallyeliminated.

b.Ithascausedalackofinformationconcerningthevalueoffood.

c.Becauseoftheapplicationofscience,somepotentiallyharmfulsubstanceshavebeenaddedtofood.

d.Thescientistshavepreservedthecolorofmeats,butnotofvegetables.

4.Whatarenitratesusedfor?

a.Theypreserveflavorinpackagedfoods.

b.Theypreservethecolorofmeats.

c.Theyaretheobjectsofresearch.

d.Theycausetheanimalstobecomefatter.5.Theword'carcinogenic'mostnearlymeans'_____'.

a.trouble-making

b.color-retaining

c.money-making

d.cancer-causing5/200答案：cacbd6/200Asthepaceoflifecontinuestoincrease,wearefastlosingtheartofrelaxation.Onceyouareinthehabitofrushingthroughlift,beingonthegofrommorningtillnight,itishardtoslowdown.Butrelaxationisessentialforahealthymindandbody.Stressisannaturalpartofeverydayliftandthereisnowaytoavoidit.Infact,itisnotthebadthingitisoftensupposedtobe.Acertainamountofstressisvitaltoprovidemotivationadngivepurposetolife.Itisonlywhenthestressgetsoutofcontrolthatitcanleadtopoorperformanceandillhealth.Theamountofstressapersoncanwithstanddependsverymuchontheindividual.Somepeoplearenotafraidofstress,andsuchcharactersareobviouslyprimematerialformanagerialresponsibilities.Othersloseheartatthefirstsignsofunusualdifficulties.Whenexposedtostress,inwhateverform,wereactbothchemicallyandphysically.Infactwemakechoicebetween"fight"or"flight"andinmoreprimitivedaysthechoicemadethedifferencebetweenlifeordeath.Thecriseswemeettodayareunlikelytobesoextreme,buthoweverlittlethestress,itinvolvesthesameresponse.Itiswhensuchareactionlastslong,throughcontinuedexposuretostress,thathealthbecomesendangered.Suchseriousconditionsashighbloodpressureandheartdiseasehaveestablishedlinkswithstress.Sincewecannotremovestressfromourlives(itwouldbeunwisetodosoevenifwecould),weneedtofindwaystodealwithit.1.Peoplearefindinglessandlesstimeforrelaxingthemselvesbecause_____.a.theydonotknowhowtoenjoythemselvesb.theydonotbelievethatrelaxationisimportantforhealthc.theyaretravellingfastallthetimed.theyarebecomingbusierwiththeirwork2.Accordingtothewriter,themostimportantcharacterforagoodmanagerishis________.a.notfearingstressb.knowingtheartofrelaxationc.highsenseofresponsibilityd.havingcontroloverperformance3.Whichofthefollwingstatementsisture?a.Wecanfindsomewaystoavoidstressb.Stressisalwaysharmfultopeoplec.Itiseasytochangethehagitofkeepingoneselfbusywithwork.d.Differentpeoplecanwithstanddifferentamountsofstress4.InParagraph3,"suchareaction"refersbackto_______.a."makingachoicebetween'flight'or'fight'"b."reactiontostressbothchemicallyandphysically"c."respondingtocrisesquickly"d."losingheartatthesignsdifficulties"5.Inthelastsentenceofthepassage,"doso"refersto______.a."exposeourselvestostress"b."findwaystodealwithstress"c."removestressfromourlives"d."establishedlinksbetweendiseasesandstress"6/200答案：dadbcInthe1960s,manyyoungAmericansweredissatisfiedwithAmericansociety.TheywantedtoendtheVietnamWarandtomakeallofthepeopleintheU.S.epual.Someofthemdecidedto"dropout"ofAmericansocietyandformtheirownsocieties.Theyformedutopiancommunities,whichtheycalled"communes,"wheretheycouldfollowtheirphilosophyof"doyourownthing."AgroupofartistsfoundedacommuneinsouthernColoradocalled"DropCity."FollowingtheideasofphilosopherandarchitectBuckminsterFullertheybuiltdomeshapedhousesfrompiecesofoldcars.Othergroups,suchasauthorKenKesey'sMerryPranksters,thefollowersfoSanFranciscopoetSteveGakin,andagroupthatcalleditselftheHogFarm,livedinoldschoolhusesandtraveledaroundtheUnitedStates.TheHogFarmbecomefamouswhentheyhelpedorganizetheWoodstockRockFestivalin1969.SteveGaskin'sfollowerstriedtosettledownonafarminTennessee,buttheyhadtoleavewhensomemembersofthegruopwerearrestedforgrowingmarijuana.Notallcommunesbelievedinthephilosophyof"doyouownthing,"however.TwinOaks,acommunefoundedinVirgianiainthelate1960s,wasbasedontheideasofpsychologistB.F.Skinner.ThepeoplewholivedatTwinOakswerecarefullycontrolledbySkinner's"conditioning"techniquestodothingsthatweregoodforthecommunity.In1972,ItalianarchitectPaoloSoleribegantobuildArcosanti,autopiancityArizsonawhere2500peoplewilllivecloselytogetherinonelargebuildingcalledan"archology"Soleribelievesthatpeoplemustlivecloselytogethersothattheywillallbecomeone.1.WhydidsomeyoungAmericansdecideto"dropout"ofscoietyduringthe1960s?a.TheywerenotsatisfiedwithAmericansociety.b.Theywantedtogrowmarijuana.c.TheywantedtogototheVietnamWar.d.Theydidnotwantallpeopletobeequal.2.WheredidthemembersoftheHogFarmcommunelive?a.Indome-shapedhouseb.Inoldschoolhusesc.OnafarminTennesseed.InanarchologyinArizona3.WhogavethepeopleofDropCitytheideatobuliddome-shapedhouse?a.PaoloSoleric.SteveGaskind.BuckminsterFuller4.WhatwastheTwinOakscommunebaseon?a.Thephilosophyof"doyourownthing"b.Virginaiainthelate1960sc.Theideasofpsychologistd.Thebeliefthatpeoplemustlivecloselytogerher.5.Whatisan"archology"?a.Apersonwhostudiesarchaeologyb.Alargebuildingwherepeoplelivecloselytogetherc.AcityinArizonad.Atechniquetocontorlpeople7/200答案：abdcb8/200Therearetwofactorswhichdetermineanindividual'sintelligence.Thefirstisthesortofbrainheisbornwith.Humanbrainsdifferconsiderably,somebeingmorecapablethanothers.Butnomatterhowgoodabrainhehastobeginwith,anindividualwillhavealoworderofintelligenceunlesshehasopportunitiestolearn.Sothesecondfactoriswhathappenstotheindividual—thesortofenvironmentinwhichheisreared.Ifanindividualishandicappedenvionmentally,itislikelythathisbrainwillfailtodevelopandhewillneverattainthelevelofintelligenceofwhichheiscapable.Theimportanceofenvironmentindetermininganindividual'sintellingencecanbedemonstratedbythecasehistoryoftheidenticaltwins,PeterandMarkX.Beingidentical,thetwinshadidenticalbrainsatbirth,andtheirgrowthprocesseswerethesame.Whenthetwinswerethreemonthsold,theirparentsdied,andtheywereplacedinseparatefosterhomes.Peterwasreatedbyparentsoflowintelligenceinanisolatedcommunitywithpooreducationalpooprtunities.Markwasrearedinthehomeofwell-to-doparentswhohadbeentocollege.Hewasreadtoasachild,senttogoodschools,andgiveneveryopportunitytobestimulatedintellectually.Thisenviromentaldifferencecontinueduntilthetwinswereintheirlateteens,whentheyweregibentesetstomeasuretheirintelligence.Mark'sI.Q.was125,twenty-fivepointshigherthantheaverageandfullyfortypointshigherthanhisidenticalbrother.Givenequalopportunities,thetwins,havingidenticalbrains,wouldhavetestedatroughlythesamelevel.1.Thisselectioncanbestbetitled_________.a.MeasuringYourIntelligenceb.IntelligenceandEnvironmentc.TheCaseofPeterandMarkd.HowthebrainInfluencesIntelligence2.Thebeststatementofthemainideaofthispassageisthat_____.a.humanbrainsdifferconsiderablyb.thebrainapersonisbornwithisimprotantindetermininghisintelligencec.environmentiscrucialindeterminingaperson'sintelligenced.personshavingidenticalbrainswillhaveroughlythesameintelligence3.Accordingtothepassage,theaverageI.Q.is_____.a.85b.100c.110d.1254.Thecasehistoryofthetwinsappearstosupporttheconclusionthat_______.a.individualwithidenticalbrainsseldomtestatsamelevelb.anindividual'sintelligenceisdeterminedonlybyhisenviromentc.lackofopportunityblocksthegrowthofintelligenced.changesofenviromentproducechangesinthestructureofthebrain5.Thispassagesuggeststhatanindividual'sI.Q.______.a.canbepredictedatbirthb.staysthesamethrouthouthislifec.canbeincreasedbyeducationd.isdeterminedbyhischildhood8/200答案：bcbcc9/200Asshewalkedroundthehugedepartmentstore,EdithreflectedhowdifficultitwastochooseasuitableChristmaspresentforherfather.Shewishthathewasaseasytopleaseashermother,whowasalwaysdelightedwithperfumeBesides,shoppongatthistimeoftheyearwasamostdisgreeableexperience:peopletrodonyourtoes,pokedyouwiththeirelbowsandalmostknockedyouoverintheirhastetogettoabargainaheadofyou.Partlytohavearest,Edithpausedinfrontofacounterwheresomeattracivetieswereondisplay."Theyarerealsilk,"theassistantassuredher,tryingtotempther."Worthdoubletheprice."Buteditknewfrompastexperiencethatherchoiceoftieshardlyeverpleasedherfather.Shemovedonreluctantlyandthenquitebychance,stoppedwhereasmallcrowdofmanhadgatheredroundacounter.Shefoundsomegoodqualitypipesonsale-----andthepriceswereveryreasonable.Edithdidnothesitateforlong:althoughherfatheronlysmokedapipeoccasionally,sheknewthatthiswasapresentwhichwasbundtopleasehim.Whenshegothome,withhersmallwell-chosenpresentconcealedinherhandbag,herparentswerealreadyatthesuppertable.Hermotherwasinanespeciallycheerfulmood,"Yourfatherhasatlasttodecidedtostopsmoking."Sheinformedherdaughter.1.Edith'sfather_______.a.didnotlikepresentb.nevergotpresentc.preferredtiesd.wasdifficulttochooseapresentfor2.TheassistantspoketoEdithbecausesheseemed_______.a.attractiveerestedintiesc.tiredd.inneedofcomfort3.Edithstoppedatthenextcounter_________.a.puroselyb.suddenlyc.unwillinglyd.accidentally4.Edith'sfathersmokedapipe_______.a.whenhewasobligedb.onsocialoccasionsc.fromtimetotimed.whenhewasdelighted5.Shoppingwasverydisagreeableatthattimeoftheyearbecause_______.a.coustomerstrodoneachother'stoesb.coustomerspokedeachotherwiththeirelbowsc.customersknockedeachotherd.customersweredoingtheirshoppinginagreathurry9/200答案：dbdcd10/200

Ifthepopulationoftheearthgoesonincreasingatitspresentrate,therewilleventuallynotbeenoughresourceslefttosustainlifeontheplanet.Bythemiddleofthe21stcentury,ifpresenttrendscontinue,wewillhaveusedupalltheoilthatdrivesourcars,forexample.Evenifscientistsdevelopnewwaysoffeedingthehumanrace,thecrowdedconditionsonearthwillmakeitnecessaryforlustolookforopenspacesomewhereelse.Butnoneoftheotherplanetsinoursolarsystemarecapableofsupportinglifeatpresent.Onepossiblesolutiontotheproblem,however,hasrecentlybeensuggestedbyAmericanscientist,ProfessorCarlSagan.Saganbelievesthatbeforetheearth'sresourcesarecompleetelyexhausteditwillbepossibletochangetheatmophereofVenusandsocreateanewworldalmostaslargeasearthitself.ThedifficultisthatVenusismuchhotterthantheearthandthereisonlyatinyamountofwaterthere.Saganproposesthatalgaeorganismsthatcanliveinextremelyhotorcoldatmospheresandatthesametimeproduceoxygen,shouldbebredinconditionsimilartothoseonVenus.Assoonasthishasbeendone,thealgaewillbeplacedinsmallrockets.SpaceshipwillthenflytoVenusandfiretherocketsintotheatmosphere.Inafairlyshorttime,thealgewillbreakdownthecarbondioxideintooxygenandcarbon.Whenthealgaehavedonetheriwork,theatmospherewillbecomecooler,butbeformancansetfootonVenusitwillbeneccessaryfortheoxygentoproducerain.ThesurfaceoftheplanetwillstillbetoohotformantolandonitbuttherainwilleventuallyfallandinafewyearssomethinglikeearthwillbereproducedonVenus.1.Intelongrun,themostinsolubleproblemcausedbypopulationgrowthonearthwillprobablybethelackof______.

a.food

b.oil

c.space

d.resources2.CarlSaganbelievesthatVenusmightbecolonizedfromearthbecause_____

a.itmightbepossibletochangeitsatmosphere

b.itsatmosphereisthesameastheearth's

c.thereisagoodsupplyofwateronVenus

d.thedaysonVenusarelongenough3.OnVenusthereisalotof________.

a.water

b.carbondioxide

c.carbonmonoxide

d.oxygen4.Algaeareplantsthatcan____.

a.liveinveryhottemperatures

b.liveinverycoldtemperatures

c.manufactureoxygen

d.alloftheabove5.MancanlandonVenusonlywhen_______.

a.thealgaehavedonetheirwork

b.theatmospherebecomescooler

c.thereisoxygen

d.itrainsthere10/200答案：cabdd11/200

Whatisyourfavouritecolour?Doyoulikeyellow,orange,red?Ifyoudo,youmustbeanoptimist,aleader,anactivepersonwhoenjoyslife,peopleandexcitement.Doyouprefergreysandblues?Thenyouareprobablyquiet,shy,andyouwouldratherfollowthanlead.Youtendtobeapessimist.Atleast,thisiswhatpsychologiststellus,andtheyshouldknow,becausetheyhavebeenseriouslystudyingthemeaningofcolourspreference,aswellastheeffectthatcolourshaveonhumanbeings.Theytellsus,amongotherfacts,thatwedonotchooseourfavouriteclouraswegrowup----wearebornwithourpreference.Ifyouhappentolovebrown,youdidso,assoonasyouopenedyoureyes,oratleastassoonasyoucouldseeclearly.Coloursdoinfluenceourmoods----thereisnodoubtaboutit.Ayellowroommakesmostpeoplefeelmorecheerfulandmorerelaxedthanadarkgreenone;andareddressbringswarmthandcheertothesaddestwinterday.Ontheotherhand,blackisdepressing.AblackbridgeovertheThamesRiver,nearLondon,usedtobethesceneofmoresuicidesthananyotherbridgeinthearea----untilitwasrepaintergreen.Thenumberofsuicideattemptsimmediatelyfellsharply;perhapsitwouldhavefallenevenmoreifthebridgehadbeendoneinpinkorbabyblue.Lightandbrightcoloursmakepeoplenotonlyhppierbutmoreactive.Itisanestablishedfactthatfactoryworkersworkbetter,harder,andhavefeweraccidentswhentheirmachinesarepaintedorangeratherthanblackorgrey.1."Youwouldratherfollowthanred"means_______.

a.youdon'tliketofollowothers

b.youwouldbeamemberratherthanaleader

c.youwouldbeafraidoffollowingothers

d.youwouldliketobealeaderratherthanafollower2.Ifoneenjoyslife,oneissuretoprefer________.

a.redtoyellow

b.bluetoorange

c.redtogrey

d.bluetoyellow3."Theytellus,amongotherfacts,thatwedon'tchooseourfavouritecoloursaswegrowup.""Amongotherfacts"means______.

a.besidesotherfacts

b.inregardtootherfacts

c.notconsideringotherfacts

d.accordingtootherfacts4.Whichofthefollowingisfacts?

a.People'spreferenceofonecolourtoanotherisinstinct

b.People'spreferenceofonecolourtoanotherisacquiredastheygrowup.

c.Morepeoplehappentolovebrownbecausetheysawsomethingbrownwhentheywereborn

d.Colourshavelittleinfluenceonourmoods5.Thosewhocommitte