大学英语四级阅读理解试题40篇

大学英语四级阅读理解试题40篇之一（含答案）

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

Short-rangegoalsarethosethatusuallydealwithcurrentactivities,whichwecan

applyonadailybasis.Suchgoalscanbeachievedinaweekorless,ortwoweeks,or

possiblemonths.Itshouldberememberedthatjustasabuildingisnostrongerthanits

foundation,outlong-termgoalscannotamounttoverymunchwithoutthe

achievementofsolidshort-termgoals.Uponcompletingourshort-termgoals,we

shoulddatetheoccasionandthenaddnewshort-termgoalsthatwillbuildonthose

thathavebeencompleted.

Theintermediategoalsbuildonthefoundationoftheshort-rangegoals.They

mightdealwithjustonetermofschoolortheentireschoolyear,ortheycouldeven

extendforseveralyears.Anytimeyoumoveastepatatime,youshouldneverallow

yourselftobecomediscouragedoroverwhelmed.Asyoucompleteeachstep,youwill

enforcethebeliefinyourabilitytogrowandsucceed.Andasyourlistofcompletion

datesgrow,yourmotivationanddesirewillincrease.

Long-rangegoalsmayberelatedtoourdreamsofthefuture.Theymightcover

fiveyearsormore.Lifeisnotastaticthing.Weshouldneverallowalong-termgoal

tolimitusorourcourseofaction.

1.Ourlong-termgoalsmeanalot.

A.ifwecompleteourshort-rangegoals

B.ifwecannotreachsolidshort-termgoals

C.ifwewritedownthedates

D.ifweputforwardsomeplans

2.Newshort-termgoalsarebuildupon.

A.twoyearsB.long-termgoals

C.currentactivitiesD.thegoalsthathavebeencompleted

3.Whenwecompleteeachstepofourgoals,.

A.wewillwinfinalsuccess

B.weareoverwhelmed

C.weshouldbuildupconfidenceofsuccess

D.weshouldstrongdesireforsettingnewgoals

4.Onceourgoalsaredrawnup,.

A.weshouldsticktothemuntilwecompletethem

B.wemaychangeourgoalsaswehavenewideasandopportunities

C.wehadbetterwaitfortheexcitingnewsofsuccess

D.wehavemadegreatdecision

5.Itisimpliedbutnotstatedinthepassagethat.

A.thosewhohavelong-termgoalswillsucceed

B.writingdownthedatesmaydiscourageyou

C.thegoalisonlyaguideforustoreachourdesignation

D.everyshouldhaveagoal

答案:adcbc

大学英语四级阅读理解试题40篇之二（含答案）

TheeconomyoftheUnitedStatesafter1952wastheeconomyofawell-fed,

almostfullyemployedpeople.Despiteoccasionalalarms,thecountryescapedany

postwardepressionandlivedinastateofboom.Aneconomicsurveyoftheyear1955,

atypicalyearofthe1950's,maybetypicalasillustratingtherapideconomicgrowth

ofthedecade.Thenationaloutputwasvalueat10percentabovethatof1954(1955

outputwasestimatedat392billiondollars).Theproductionofmanufacturerswas

about40percentmorethanithadaveragedintheyearsimmediatelyfollowingWorld

War2.Thecountry'sbusinessspentabout30billiondollarsfornewfactoriesand

machinery.Nationalincomeavailableforspendingwasalmostathirdgreaterthanit

hadbeenithadbeenin1950.Consumersspentabout256billiondollars;thatisabout

700milliondollarsaday,orabouttwenty-fivemilliondollarseveryhour,allround

theclock.Sixty-fivemillionpeopleheldjobsandonlyalittlemorethantwomillion

wantedjobsbutcouldnotfindthem.Onlyagriculturecomplainedthatitwasnot

sharingintheroom.Tosomeobserversthiswasanominousechoofthemidl920's.

Asfarmer'sshareoftheirproductsdeclined,marketingcostsrose.Buttherewere,

amongtheobserversofthenationaleconomy,afewwhowerenotasconfidentasthe

majority.Thosefewseemedtofearthattheboomcouldnotlastandwouldeventually

leadtotheopposite-depression.

1.Whatisthebesttitleofthepassage?

a.TheAgriculturalTrendsof1950'sb.TheUnemploymentRateof1950's

c.U.S.Economyinthe50'sd.TheFederalBudgetof1952

2.InLine3,theword"boom''couldbestbereplacedby.

a.nearbyexplosionb.thunderousnoise

c.generalpublicsupportd.rapideconomicgrowth

3.ItcanbeinferredthenationalfromthepassagethatmostpeopleintheUnited

Statesin1955viewedthenationaleconomywithanairof.

a.confidenceb.confusionc.disappointmentd.suspicion

4.WhichofthefollowingwereLEASTsatisfiedwiththenationaleconomyinthe

1950\?

a.Economistsb.Farmersc.Politiciansd.Steelworkers

5.ThepassagestatesthatincomeavailableforspendingintheU.S.wasgreaterin

1955thanin1950.Howmuchwasit?

a.60%b.50%c.33%d.90%

答案:cdabc

大学英语四级阅读理解试题40篇之三（含答案）

Womenarealsounderrepresentedintheadministrationandthisisbecausethereare

sofewwomenfullprofessors.In1985,RegentBerylMilburnproducedareport

blastingtheUniversityofTexasSystemadministrationfornotencouragingwomen.

TheUniversitywasratedamongthelowestforthesystem.Ina1987update,Milburn

commendedtheprogressthatwasmadeandcalledforevenmoreimprovement.

OneofthepositiveresultsfromherstudywasaSystem-wideprogramtoinform

womenofavailableadministrativejobs.

CollegeofCommunicationAssociateDeanPatricaWitherspoon,saiditisimportant

thatwomanbeflexiblewhenitcomestorelocatingiftheywanttoriseintheranks.

Althoughawomanmayfaceachillyclimateoncampus,manytimesinorderforher

tosucceed,shemustriseabovetheproblemsaroundherandconcentrateonherwork.

UntilwomenmakeupagreaterpercentageoftheseniorpositionsintheUniversity

andallacademia,inequitieswillexist.

HWomenneedtospendtheirenergiesandtimedoingscholarlyactivitiesthatare

importanthereattheUniversity."Spirdusosaid."Iftheydothatwillbesuccessfulin

thissystem.Iftheyspendtheirtimeinlittlegroupsmourningthesexual

discriminationthattheythinkexistshere,theyarewastingvaluablestudytime.**

1.AccordingtoSpirduso,womenneedto.

a.produceareportonsexualdiscrimination

b.callforfurtherimprovementintheirworkingconditions

c.spendtheirenergiesandtimefightingagainstsexualdiscrimination

d.spendmoretimeandenergydoingscholarlyactivities

2.Fromthispassage,weknowthat.

a.therearemanywomenfullprofessorsintheUniversityofTexas

b.womenplayanimportantpartinadministratingtheUniversity

c.theweatheronthecampusischilly

d.womenmakeupasmallpercentageoftheseniorpositionsintheUniversity

3.Whichofthefollowingstatementsistrue?

a.thenumberofwomenprofessorsintheUniversityin1987wasgreaterthanthatof

1985

b.thenumberofwomenprofessorsintheUniversityin1987wassmallerthanthatof

1985

c.thenumberofwomenprofessorswasthesameasthatof1985

d.moreandmorewomenprofessorsthoughtthatsexualdiscriminationdidexitinthe

University

4.OneofthepositiveresultsfromMilburn'sstudywasthat.

a.womenweretoldtoconcentrateontheirwork

b.womenweregiveninformationaboutavailableadministrativejobs

c.womenwereencouragedtotakeonalltheadministrativejobsintheUniversity

d.womenwereencouragedtodomorescholarlyactivities

5.Thetitleforthispassageshouldbe.

a.TheUniversityofTexas

b.Milburn'sReport

c.WomenProfessors

d.SexualDiscriminationinAcademia

答案：ddabd

大学英语四级阅读理解试题40篇之四(含答案)

Today,asineveryotherdayoftheyear,morethan3000U.S.adolescentswill

smoketheirfirstcigaretteontheirwaytobecomingregularsmokersasadults.During

theirlifetime,itcanbeexpectedthatofthese3000about23willbemurdered,30will

dieintrafficaccidents,andnearly750willbekilledbyasmoking-relateddisease.

Thenumberofdeathsattributedtocigarettesmokingoutweighsallotherfactors,

whethervoluntaryorinvoluntary,asacauseofdeath.

Sincethelate1970s,whendailysmokingamonghighschoolseniorsreached30

percent,smokingratesamongyouthhavedeclined.Whilethedeclineisimpressive,

severalimportantissuesmustberaised.

First,inthepastseveralyears,smokingratesamongyouthhavedeclinedvery

little.Second,inthelate1970s,smokingamongmalehighschoolseniorsexceeded

thatamongfemalebynearly10percent.Thestatisticisreversing.Third,several

recentstudieshaveindicatehighschooldropoutshaveexcessivelyhighsmokingrates,

asmuchas75percent.

Finally,thoughsignificantdeclinesinadolescentsmokinghaveoccurredinthe

pastdecade,nodefinitereasonsforthedeclineexist.Withinthiscontext,theNational

CancerInstitute(NCI)beganitscurrentefforttodeterminethemosteffective

measurestoreducesmokinglevelsamongyouth.

1.Accordingtotheauthor,thedeathsamongyoutharemainlycausedby.

a.trafficaccidents

b.smoking-relateddisease

c.murder

d.allofthese

2.Everydaythereareoverhighschoolstudentswhowillbecomeregular

smoker.

a.75b.23c.30d.3000

3.By"dropout"theauthormeans.

a.studentswhofailedtheexamination

b.studentswholeftschool

c.studentswholosttheirway

d.studentswhoweredrivenoutofschool

4.Thereasonfordecliningadolescentsmokingisthat.

a.NCIhastakeneffectivemeasures

b.smokingispreventedamonghighschoolseniors

c.therearemanysmokerswhohavediedofcancer

d.noneofthese

5.Whatisimpliedbutnotstatedbytheauthoristhat.

a.smokingratesamongyouthhavedeclinedverylittle

b.therearenowmorefemalethanmalesmokersamonghighschoolseniors

c.highsmokingratesareduetotheincreaseinwealth

d.smokingathighschoolarefromlowsocio-economicbackgrounds

答案：bdbdb

大学英语四级阅读理解试题40篇之五(含答案)

Thefoodweeatseemstohaveprofoundeffectsonourhealth.Althoughsciencehas

madeenormousstepsinmakingfoodmorefittoeat,ithas,atthesametime,made

manyfoodsunfittoeat.Someresearchhasshownthatperhapseightypercentofall

humanillnessesarerelatedtodietandfortypercentofcancerisrelatedtothedietas

well,especiallycancerofthecolon.Differentculturesaremorelikelytocausecertain

differentillnessesbecauseofthefoodthatischaracteristicinthesecultures.Thatfood

isrelatedtoillnessisntoanewdiscovery.In1945,about35yearsago,government

researchersrealizedthatnitrates,commonlyusedtopreservecolorinmeats,andother

foodadditivies,causedcancer.Yet,thesecarcinogenicadditivesremaininourfood,

anditbecomesmoredifficultallthetimetoknowwhichthingsonthepackaging

labelsofprocessedfoodarehelpfulorharmful.Theadditiveswhichweeatarenotall

sodirect.Farmersoftengivepenicillintobeefandlivinganimals,andbecauseof

this,penicillinhasbeenfoundinthemilkoftreatedcow.Sometimessimilardrugsare

giventoanimalsnotformedicalpurposes,butforfinancialreasons.Thefarmersare

simplytryingtofattentheanimalsinordertoobtainahigherpriceonthemarket.

AlthoughtheFoodandDrugAdministration(FDA)hastriedrepeatedlytocontrol

theseprocedures,thepracticescontinue.

l.Whatisthebestpossibletitleofthepassage?

a.DrugandFood

b.CancerandHealth

c.FoodandHealth

d.HealthandDrug

2.WhichofthefollowingstatementsisNOTture?

a.Drugsarealwaysgiventoanimalsformedicalreasons

b.Someoftheadditivesinourfoodareaddedtothefooditselfandsomearegivento

thelivinganimals

c.Researchershaveknownaboutthepotentialdangersoffoodadditivesforover

thirty-fiveyears.

d.Foodmaycausefortypercentofcancerinworld.

3.Howhassciencedonesomethingharmfultomankind?

a.Becauseofscience,diseasescausedbypollutedfoodhavenbeenvirtually

eliminated.

b.Ithascausedalackofinformationconcerningthevalueoffood.

c.Becauseoftheapplicationofscience,somepotentiallyharmfulsubstanceshave

beenaddedtofood.

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-causing

答案：cacbd

大学英语四级阅读理解试题40篇之六（含答案）

Asthepaceoflifecontinuestoincrease,wearefastlosingtheartofrelaxation.Once

youareinthehabitofrushingthroughlift,beingonthegofrommorningtillnight,it

ishardtoslowdown.Butrelaxationisessentialforahealthymindandbody.

Stressisannaturalpartofeverydayliftandthereisnowaytoavoidit.Infact,itis

notthebadthingitisoftensupposedtobe.Acertainamountofstressisvitalto

providemotivationadngivepurposetolife.Itisonlywhenthestressgetsoutof

controlthatitcanleadtopoorperformanceandillhealth.

Theamountofstressapersoncanwithstanddependsverymuchontheindividual.

Somepeoplearenotafraidofstress,andsuchcharactersareobviouslyprimematerial

formanagerialresponsibilities.Othersloseheartatthefirstsignsofunusual

difficulties.Whenexposedtostress,inwhateverform,wereactbothchemicallyand

physically.Infactwemakechoicebetween"fight*1or"flight"andinmoreprimitive

daysthechoicemadethedifferencebetweenlifeordeath.Thecriseswemeettoday

areunlikelytobesoextreme,buthoweverlittlethestress,itinvolvesthesame

response.Itiswhensuchareactionlastslong,throughcontinuedexposureto

stress,thathealthbecomesendangered.Suchseriousconditionsashighbloodpressure

andheartdiseasehaveestablishedlinkswithstress.Sincewecannotremovestress

fromourlives(itwouldbeunwisetodosoevenifwecould),weneedtofindwaysto

dealwithit.

1.Peoplearefindinglessandlesstimeforrelaxingthemselvesbecause.

a.theydonotknowhowtoenjoythemselves

b.theydonotbelievethatrelaxationisimportantforhealth

c.theyaretravellingfastallthetime

d.theyarebecomingbusierwiththeirwork

2.Accordingtothewriter,themostimportantcharacterforagoodmanagerishis

a.notfearingstress

b.knowingtheartofrelaxation

c.highsenseofresponsibility

d.havingcontroloverperformance

3.Whichofthefollwingstatementsisture?

a.Wecanfindsomewaystoavoidstress

b.Stressisalwaysharmfultopeople

c.Itiseasytochangethehagitofkeepingoneselfbusywithwork.

d.Differentpeoplecanwithstanddifferentamountsofstress

4.InParagraph3,"suchareaction"refersbackto.

a."makingachoicebetween1flight1orTight1"

b.”reactiontostressbothchemicallyandphysicallyH

c."respondingtocrisesquickly”

d."losingheartatthesignsdifficulties"

5.1nthelastsentenceofthepassage,"doso"refersto.

a.”exposeourselvestostress"

b."findwaystodealwithstress"

c."removestressfromourlives"

d.Hestablishedlinksbetweendiseasesandstress11

答案：dadbc

大学英语四级阅读理解试题40篇之七（含答案）

Inthe1960s,manyyoungAmericansweredissatisfiedwithAmericansociety.They

wantedtoendtheVietnamWarandtomakeallofthepeopleintheU.S.epual.Some

ofthemdecidedto"dropout'*ofAmericansocietyandformtheirownsocieties.

Theyformedutopiancommunities,whichtheycalled"communes,nwheretheycould

followtheirphilosophyof"doyourownthing."Agroupofartistsfoundeda

communeinsouthernColoradocalled"DropCity.°Followingtheideasof

philosopherandarchitectBuckminsterFullertheybuiltdomeshapedhousesfrom

piecesofoldcars.Othergroups,suchasauthorKenKesey'sMerryPranksters,the

followersfoSanFranciscopoetSteveGakin,andagroupthatcalleditselftheHog

Farm,livedinoldschoolhusesandtraveledaroundtheUnitedStates.TheHogFarm

becomefamouswhentheyhelpedorganizetheWoodstockRockFestivalin1969.

SteveGaskin'sfollowerstriedtosettledownonafarminTennessee,buttheyhadto

leavewhensomemembersofthegruopwerearrestedforgrowingmarijuana.

Notallcommunesbelievedinthephilosophyof"doyouownthing,"however.Twin

Oaks,acommunefoundedinVirgianiainthelate1960s,wasbasedontheideasof

psychologistB.F.Skinner.ThepeoplewholivedatTwinOakswerecarefully

controlledbySkinnefs"conditioningntechniquestodothingsthatweregoodforthe

community.In1972,ItalianarchitectPaoloSoleribegantobuildAi*cosanti,autopian

cityArizsonawhere2500peoplewilllivecloselytogetherinonelargebuildingcalled

an"archology"Soleribelievesthatpeoplemustlivecloselytogethersothattheywill

allbecomeone.

l.WhydidsomeyoungAmericansdecideto"dropout"ofscoietyduringthe1960s?

a.TheywerenotsatisfiedwithAmericansociety.

b.Theywantedtogrowmarijuana.

c.TheywantedtogototheVietnamWar.

d.Theydidnotwantallpeopletobeequal.

2.WheredidthemembersoftheHogFarmcommunelive?

a.Indome-shapedhouse

b.Inoldschoolhuses

c.OnafarminTennessee

d.InanarchologyinArizona

3.WhogavethepeopleofDropCitytheideatobuliddome-shapedhouse?

a.PaoloSoleri

b.B.GSkinner

c.SteveGaskin

d.BuckminsterFuller

4.WhatwastheTwinOakscommunebaseon?

a.ThephilosophyofHdoyourownthing"

b.Virginaiainthelate1960s

c.Theideasofpsychologist

d.Thebeliefthatpeoplemustlivecloselytogerher.

5.WhatisannarchologyM?

a.Apersonwhostudiesarchaeology

b.Alargebuildingwherepeoplelivecloselytogether

c.AcityinArizona

d.Atechniquetocontorlpeople

答案：abdcb

大学英语四级阅读理解试题40篇之八（含答案）

Therearetwofactorswhichdetermineanindividuafsintelligence.Thefirstisthesort

ofbrainheisbornwith.Humanbrainsdifferconsiderably,somebeingmorecapable

thanothers.Butnomatterhowgoodabrainhehastobeginwith,anindividualwill

havealoworderofintelligenceunlesshehasopportunitiestolearn.Sothesecond

factoriswhathappenstotheindividual-thesortofenvironmentinwhichheis

reared.Ifanindividualishandicappedenvionmentally,itislikelythathisbrainwill

foiltodevelopandhewillneverattainthelevelofintelligenceofwhichheiscapable.

Theimportanceofenvironmentindetermininganindividual'sintellingencecanbe

demonstratedbythecasehistoryoftheidenticaltwins,PeterandMarkX.Being

identical,thetwinshadidenticalbrainsatbirth,andtheirgrowthprocesseswerethe

same.Whenthetwinswerethreemonthsold,theirparentsdied,andtheywere

placedinseparatefosterhomes.Peterwasrentedbyparentsoflowintelligenceinan

isolatedcommunitywithpooreducationalpooprtunities.Markwasrearedinthehome

ofwell-to-doparentswhohadbeentocollege.Hewasreadtoasachild,senttogood

schools,andgiveneveryopportunitytobestimulatedintellectually.Thisenviromental

differencecontinueduntilthetwinswereintheirlateteens,whentheyweregiben

tesetstomeasuretheirintelligence.Mark'sLQ.was125,twenty-fivepointshigher

thantheaverageandfullyfortypointshigherthanhisidenticalbrother.Givenequal

opportunities,thetwins,havingidenticalbrains,wouldhavetestedatroughlythe

samelevel.

1.Thisselectioncanbestbetitled.

a.MeasuringYourIntelligence

b.IntelligenceandEnvironment

c.TheCaseofPeterandMark

d.HowthebrainInfluencesIntelligence

2.Thebeststatementofthemainideaofthispassageisthat.

a.humanbrainsdifferconsiderably

b.thebrainapersonisbornwithisimprotantindetermininghisintelligence

c.environmentiscrucialindeterminingaperson'sintelligence

d.personshavingidenticalbrainswillhaveroughlythesameintelligence

3.Accordingtothepassage,theaverageI.Q.is.

a.85

b.100

c.110

d.125

4.Thecasehistoryofthetwinsappearstosupporttheconclusionthat

a.individualwithidenticalbrainsseldomtestatsamelevel

b.anindividuafsintelligenceisdeterminedonlybyhisenviroment

c.lackofopportunityblocksthegrowthofintelligence

d.changesofenviromentproducechangesinthestructureofthebrain

5.Thispassagesuggeststhatanindividual*sLQ..

a.canbepredictedatbirth

b.staysthesamethrouthouthislife

c.canbeincreasedbyeducation

d.isdeterminedbyhischildhood

答案：bcbcc

大学英语四级阅读理解试题40篇之九（含答案）

Asshewalkedroundthehugedepartmentstore,Edithreflectedhowdifficultitwasto

chooseasuitableChristmaspresentforherfather.Shewishthathewasaseasyto

pleaseashermother,whowasalwaysdelightedwithperfume

Besides,shoppongatthistimeoftheyearwasamostdisgreeableexperience:people

trodonyourtoes,pokedyouwiththeirelbowsandalmostknockedyouoverintheir

hastetogettoabargainaheadofyou.

Partlytohavearest,Edithpausedinfrontofacounterwheresomeattracivetieswere

ondisplay."Theyarerealsilk,"theassistantassuredher,tryingtotempther."Worth

doubletheprice."Buteditknewfrompastexperiencethatherchoiceoftieshardly

everpleasedherfather.

Shemovedonreluctantlyandthenquitebychance,stoppedwhereasmallcrowdof

manhadgatheredroundacounter.Shefoundsomegoodqualitypipesonsale-----and

thepriceswereveryreasonable.Edithdidnothesitateforlong:althoughherfather

onlysmokedapipeoccasionally,sheknewthatthiswasapresentwhichwasbundto

pleasehim.

Whenshegothome,withhersmallwell-chosenpresentconcealedinherhandbag,her

parentswerealreadyatthesuppertable.Hermotherwasinanespeciallycheerful

mood,nYourfatherhasatlasttodecidedtostopsmoking/1Sheinformedherdaughter.

1.Edith'sfather.

a.didnotlikepresent

b.nevergotpresent

c.preferredties

d.wasdifficulttochooseapresentfor

2.TheassistantspoketoEdithbecausesheseemed.

a.attractive

erestedinties

c.tired

d.inneedofcomfort

3.Edithstoppedatthenextcounter.

a.purosely

b.suddenly

c.unwillingly

d.accidentally

4.Edith,sfathersmokedapipe.

a.whenhewasobliged

b.onsocialoccasions

c.fromtimetotime

d.whenhewasdelighted

5.Shoppingwasverydisagreeableatthattimeoftheyearbecause.

a.coustomerstrodoneachother'stoes

b.coustomerspokedeachotherwiththeirelbows

c.customersknockedeachother

d.customersweredoingtheirshoppinginagreathurry

答案：dbdcd

大学英语四级阅读理解试题40篇之十（含答案）

Ifthepopulationoftheearthgoesonincreasingatitspresentrate,therewill

eventuallynotbeenoughresourceslefttosustainlifeontheplanet.Bythemiddleof

the21stcentury,ifpresenttrendscontinue,wewillhaveusedupalltheoilthatdrives

ourcars,forexample.Evenifscientistsdevelopnewwaysoffeedingthehuman

race,thecrowdedconditionsonearthwillmakeitnecessaryforlustolookforopen

spacesomewhereelse.Butnoneoftheotherplanetsinoursolarsystemarecapableof

supportinglifeatpresent.Onepossiblesolutiontotheproblem,however,hasrecently

beensuggestedbyAmericanscientist,ProfessorCarlSagan.

Saganbelievesthatbeforetheearth'sresourcesarecompleetelyexhausteditwillbe

possibletochangetheatmophereofVenusandsocreateanewworldalmostaslarge

asearthitself.ThedifficultisthatVenusismuchhotterthantheearthandthereis

onlyatinyamountofwaterthere.

Saganproposesthatalgaeorganismsthatcanliveinextremelyhotorcold

atmospheresandatthesametimeproduceoxygen,shouldbebredinconditionsimilar

tothoseonVenus.Assoonasthishasbeendone,thealgaewillbeplacedinsmall

rockets.SpaceshipwillthenflytoVenusandfiretherocketsintotheatmosphere.Ina

fairlyshorttime,thealgewillbreakdownthecarbondioxideintooxygenandcarbon.

Whenthealgaehavedonetheriwork,theatmospherewillbecomecooler,butbefor

mancansetfootonVenusitwillbeneccessaryfortheoxygentoproducerain.The

surfaceoftheplanetwillstillbetoohotformantolandonitbuttherainwill

eventuallyfallandinafewyearssomethinglikeearthwillbereproducedonVenus.

l.Intelongrun,themostinsolubleproblemcausedbypopulationgrowthonearthwill

probablybethelackof.

a.food

b.oil

c.space

d.resources

2.CarlSaganbelievesthatVenusmightbecolonizedfromearthbecause

a.itmightbepossibletochangeitsatmosphere

b.itsatmosphereisthesameastheearth's

c.thereisagoodsupplyofwateronVenus

d.thedaysonVenusarelongenough

3.OnVenusthereisalotof.

a.water

b.carbondioxide

c.carbonmonoxide

d.oxygen

4.Algaeareplantsthatcan.

a.liveinveryhottemperatures

b.liveinverycoldtemperatures

c.manufactureoxygen

d.alloftheabove

5.MancanlandonVenusonlywhen.

a.thealgaehavedonetheirwork

b.theatmospherebecomescooler

c.thereisoxygen

d.itrainsthere

答案：cabdd

大学英语四级阅读理解试题40篇之十一（含答案）

Whatisyourfavouritecolour?Doyoulikeyellow,orange,red?Ifyoudo,youmust

beanoptimist,aleader,anactivepersonwhoenjoyslife,peopleandexcitement.Do

youprefergreysandblues?Thenyouareprobablyquiet,shy,andyouwouldrather

followthanlead.Youtendtobeapessimist.Atleast,thisiswhatpsychologiststellus,

andtheyshouldknow,becausetheyhavebeenseriouslystudyingthemeaningof

colourspreference,aswellastheeffectthatcolourshaveonhumanbeings.Theytells

us,amongotherfacts,thatwedonotchooseourfavouriteclouraswegrowup——we

arebornwithourpreference.Ifyouhappentolovebrown,youdidso,assoonasyou

openedyoureyes,oratleastassoonasyoucouldseeclearly.

Coloursdoinfluenceourmoods——thereisnodoubtaboutit.Ayellowroommakes

mostpeoplefeelmorecheerfulandmorerelaxedthanadarkgreenone;andared

dressbringswarmthandcheertothesaddestwinterday.Ontheotherhand,blackis

depressing.AblackbridgeovertheThamesRiver,nearLondon,usedtobethescene

ofmoresuicidesthananyotherbridgeinthearea——untilitwasrepaintergreen.The

numberofsuicideattemptsimmediatelyfellsharply;perhapsitwouldhavefallen

evenmoreifthebridgehadbeendoneinpinkorbabyblue.

Lightandbrightcoloursmakepeoplenotonlyhppierbutmoreactive.Itisan

establishedfactthatfactoryworkersworkbetter,harder,andhav