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大學英語四級閱讀理解試題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
大學英語四級閱讀理解試題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
大學英語四級閱讀理解試題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
大學英語四級閱讀理解試題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
大學英語四級閱讀理解試題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
大學英語四級閱讀理解試題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
大學英語四級閱讀理解試題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
大學英語四級閱讀理解試題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
大學英語四級閱讀理解試題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
大學英語四級閱讀理解試題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
大學英語四級閱讀理解試題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
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