大学英语六级模拟试卷

1、大学英语六级模拟试卷PaperOnePartIListeningComprehension(30minutes)SectionADirections:Inthissectionyouwillhear10shortconversations.Attheendofeachconversation,aquestionwillbeaskedaboutwhatwassaid.Boththeconversationandthequestionwillbespokenonlyonce.Aftereachquestiontherewillbeapause.Duringthepause,youmustreadt

2、hefourchoicesmarkedA.,B.,C.andD.,anddecidewhichisthebestanswer.ThenmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecenter.1. A.atanofficeB.ataclinicC.atasportscenterD.ataclassroom2. A.Theservicethereisnotquickenough.B. Theysometimesoverchargecustomers.C. Thefoodservedthereisnotver

3、ygood.D. Theyhavealousyservice.3. A.7:20B.8:00C.8:20D.7:304. A.awatchB.atablelampC.abookD.afishingpole5. A.atamilitarybaseB.inarestaurantC.ataclinicD.atahospital6. A.Theman'sappearancehaschangedalot.B. Themanwasn'tabletorecognizeMacatfirst.C. ThemanwassurprisedthatMacdidn'trecognizehimat

4、first.D. Themanhasputonalotofweight.7. A.atthelibraryB.ontheothersideofcampusC.athisnewapartmentD.atdininghall8. A.inLondonB. inanymoderncapitalC. inabigcityinBritainD. inanypartofBritainotherthanLondon9. A.Susanmaybeveryignorantthoughshedoesn'tseemtobe.B. ThetwospeakersarecertainthatSusanonlypr

5、etendstobeignorant.C. ThetwospeakersarecertainthatSusanisignorantthoughshepretendstobeotherwise.D. Susanmaynotbesoignorantassheseemstobe.10. A.Theteachernevermeanstoletthemgolaterthanschedule.B. Theteacheralwaysdismissestheclasslaterthan4:30.C. Hewillprobablybedismissedfromclassat4:30thisafternoon.D

6、. Histeacherneverletsthemgolaterthan4:30.SectionBDirections:Inthissection,youwillhear3shortpassages.Attheendofeachpassage,youwillhearsomequestions.Boththepassageandthequestionwillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA.,B.,C.andD,anddecidewhichisthe

7、bestanswer.ThenmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecenter.PassageOneQuestions11to13arebasedonthepassageyouhavejustheard.11. A.InEuropeB.InChinaC.InEgyptD.InIndia12. A.A.D.996B.Inthe1240sC.A.D.994D.Inthe1230s13. A.Becausetheychangedthedirectionsoftherockets.B. Becausewh

8、entheygotburnedbytheexhaustoftherockets,theydamagedtherockets.C. Becausetherocketscouldflystraightwithoutthem.D. Becausetheywouldwastealotofmaterials.PassageTwoQuestions14to16arebasedonthepassageyouhavejustheard.14. A.QueenVictoriaB.anEnglishschoolmasterC.ThekingofFranceD.anunknownperson15. A.In1837

9、B.IN1860C.In1840D.In185016. A.AshipB.AfamousmusicianC.AportraitofQueenVictoriaD.Birdsandflowers17. A.Theauthoritiessaiditwasamistake.B. Theauthoritiessaiditwouldhappenagainatanytime.C. Theauthoritiessaiditwouldoccuragainwithinfiveyears.D. Theauthoritiespromiseditwouldn'thappenagain.PassageThreeQ

10、uestions17to20arebasedonthepassageyouhavejustheard.18. A.WithcalmnessandorderB.WithnumerouscrimesC.WithconfusionandchaosD.Withgreatdissatisfaction19. A.Intheelectricityfailurethatoccurredin1965,hundredsofstoreswerebrokenintoandlooted.B. Theblackoutin1977happenedtooccurinoneofthecity'sworstheatwa

11、vesinhistory.C. Intheblackoutin1977onlyasmallfractionoftheoutlawswerearrested.D. In1965,thefailureoccurredatatimeofcomparativeeconomicprosperity.20. A.12hoursB.36hoursC.48hoursD.24hoursSectionC(CompoundDictation)略PartIIReadingComprehension(35minutes)Directions:Thereare4readingpassagesinthispart.Each

12、passageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA.,B.,C.andD.YoushoulddecideonthebestchoiceandmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecenter.Questions21to25arebasedonthefollowingpassage:Ifthesalinityofoceanwaterisanalyzed,itisfo

13、undtovaryonlyslightlyfromplacetoplace.Nevertheless,someofthesesmallchangesareimportant.Therearethreebasicprocessesthatcauseachangeinoceanicsalinity.Oneoftheseisthesubtractionofwaterfromtheoceanbymeansofevaporationconversionofliquidwatertowatervapor.Inthismanner,thesalinityisincreased,sincethesaltsst

14、aybehind.Ifthisiscarriedtotheextreme,ofcourse,whitecrystalsofsaltwouldbeleftbehind;this,bytheway,ishowmuchofthetablesaltweuseisactuallyobtained.Theoppositeofevaporationisprecipitation,suchasrain,bywhichwaterisaddedtotheocean.Heretheoceanisbeingdilutedsothatthesalinityisdecreased.Thismayoccurinareaso

15、fhighrainfallorincoastalregionswhereriversflowintotheocean.Thussalinitymaybeincreasedbythesubtractionofwaterbyevaporation,ordecreasedbytheadditionoffreshwaterbyprecipitationorrunoff.Normally,intropicalregionswherethesunisverystrong,theoceansalinityissomewhathigherthanitisinotherpartsoftheworldwheret

16、hereisnotasmuchevaporation.Similarly,incoastalregionswhereriversdilutethesea,salinityissomewhatlowerthaninotheroceanicareas.Athirdprocessbywhichsalinitymaybealteredisassociatedwiththeformationandmeltingofseaice.Whenseawaterisfrozen,thedissolvedmaterialsareleftbehind.Inthismanner,seawaterdirectlybene

17、athfreshlyformedseaicehasahighersalinitythanitdidbeforetheiceappeared.Ofcourse,whenthisicemelts,itwelltendtodecreasethesalinityofthesurroundingwater.IntheWeddellSea,offAntarctica,thedensestwaterintheoceansisformedasaresultofthisfreezingprocess,whichincreasesthesalinityofcoldwater.Thisheavywatersinks

18、andisfoundinthedeeperportionsofoceansoftheworld.21. Whatisthemaintopicofthepassage?A. Wheredowegetourtablesalt?B. OceanicsalinityintropicalregionsC. ThreebasicprocessesthatalteroceanicsalinityD. Variationsofsalinityindifferentpartsoftheocean22. Accordingtotheauthor,theoceanicsalinityisusuallylowerin

19、.A. tropicalregionsB. coastalregionsC. placesinwhichwarmcurrentsandcoldcurrentsmeetD. theAntarctica23. Allofthefollowingareprocessesthatdecreaseoceansalinityexcept.A.precipitationB.runoffC.meltingD.evaporation24. Whatdoestheword“subtraction"inthefourthlineofthefirstparagraphmean?A.reductionB.in

20、fluxC.transformationD.freezing25. WhichofthefollowingisNOTaresultoftheformationoficeinoceans?A. Thesurroundingwatersinks.B. Thewaterbecomesdenser.C. Watersalinitydecreases.D. Thesurroundingwaterbecomescolder.Questions26to31arebasedonthefollowingpassage:Morethanacenturyago,therelationshipbetweenglaci

21、aliceandtheamountofwaterintheoceanbasinswasfirstseen.Whenthegreaticesheetcoveredvastlandareas,thesealevelwasloweredbecausethenormalreturnofwaterfromlandtotheoceanwasreduced.Asaresult,thesealevelroseasIceAgeglaciersmeltedallowingthemeltedwaterstoflowintotheocean.Ifalltheglacialiceonthesurfaceoftheear

22、thtodayshouldmelt,thesealevelmightrisebymorethan150feet.Shorelinevariationsarealsoproducedthroughelevationordepressionoftheland.Duringtimesofglacierformationsthegreatweightoftheiceslowlydepressedtheearth'scrust.Removaloftheweightthroughglaciermeltingallowedtheslowreturnofthecrusttoitsformerposit

23、ion.ChangesintheGreatIceclimatesfromcoolandwettowarmanddryproducedclimatechangesfarfromtheglaciatedarea.Forexample,attimesofcool-wetglacialclimates,levelsofinlandlakesrose,incontrasttothedepressionofsealevel.Duringthewarm-dryinterglacialclimates,lakelevelswerelowered.TheancientlakeBonneville,largest

24、oftheglaciallakesinWesternUnitedStates,oncecoveredmorethan20,000squaremiles.Ithadamaximumdepthofmorethan1,000feet.GreatSaltLakeinUtahistheshrunkenremnantofthisoncelargelake.Althoughthefirsttimethatearlymanwalkedontheearthisuncertain,heislargelyaproductoftheGreatIceAge.Presentinformationshowsthatduri

25、ngthistimeheevolvedrapidlybothphysicallyandculturally.HismostprimitivetoolsandskeletalremainshavebeenfoundinsomeoftheoldestdepositscontemporarywiththeGreatIceAgeinAfrica,AsiaandEurope.Theseareoftenassociatedwithremainsofextinctanimals.Withthedisappearanceofthegreaticesheets,theBronzeandIronAgecultur

26、esevolved.Aboutthistimemanyanimalssuitedtocoolerclimatesdied.Althoughmuchremainstobelearned,thestoryoftheGreatIceAgeisbeingunfoldedthroughtheeffortsofspecialistsinmanyfields.Recordingfieldobservation,newtheoriesandmethods,andworldwidestudiesofexistingglaciersarebringingaclearerunderstandingoftheGrea

27、tIceAge.26. WhichofthefollowingisNOTimpliedinthepassage?A. ManhasalotmoretolearnabouttheGreatIceAge.B. Theartofmakingtoolswasinstrumentalinbringingabouttheevolutionofhumanbrain.C. ManyspecieswerenotsuitedtothewarmerclimatesoftheBronzeandIronAge.D. Therelationshipbetweenglacialiceandtheamountofwateri

28、ntheoceanbasinswasnotseenuntilmorethanahundredyearsago.27. Accordingtothearticle,whichofthefollowingwillinducethedepressionofsealevel?A. formationofgreatmassesoficesheetonthelandB. precipitationC. shorelinevariationsD. theadventofwarm-dryinterglacialclimates28. WhydoestheauthorcitetheexampleoftheGre

29、atSaltLakeinUtah?A. toshowthatitisalakecreatedintheGreatIceAgeB. toshowthatitoncewasthelargestlakeintheUnitedStatesC. toshowthatitevolvedfromtheBronzeandIronAgeD. toshowthatitiswhatremainedoftheoncelargelakeBonneville29. Whichofthefollowingcanbelearnedaboutearlymanbasedontheinformationprovidedinthep

30、assage?A. TheexacttimeofhisappearanceontheEarthisuncertain.B. HeevolvedrapidlyphysicallyandculturallyduringtheBronzeandIronAge.C. Theabilitytomakeprimitivetoolsdistinguishedmanfromotheranimals.D. Earlymanlivedmainlyonanimalshunted.30. ThebestsourceofinformationabouttheGreatIceAgeisobtainedfrom.A. ro

31、ckformationsB. fossilremainsC. primitivetoolsusedbyearlymanD. Antarctica'sancientglacierQuestions31to35arebasedonthefollowingpassage:Prolonginghumanlifehasincreasedthesizeofthehumanpopulation.Manypeoplealivetodaywouldhavediedofchildhooddiseasesiftheyhadbeenbornahundredyearsago.Becausemorepeoplel

32、ivelonger,therearemorepeoplearoundatanygiventime.Infact,itisadecreaseindeathrates,notanincreaseinbirthrates,thathasledtothepopulationexplosion.Prolonginghumanlifehasalsoincreasedthedependencyload.Inallsocieties,peoplewhoaredisabledortooyoungortoooldtoworkaredependentontherestofsocietytoprovideforthe

33、m.Inhuntingandgatheringcultures,oldpeoplewhocouldnotkeepupmightbeleftbehindtodie.Intimesoffamine,infantsmightbeallowedtodiebecausetheycouldnotsurviveiftheirparentsstarved,whereasiftheparentssurvivedtheycouldhaveanotherchild.Inmostcontemporary（当代的）societies,peoplefeelamoralobligationtokeeppeoplealive

34、whethertheycanworkornot.Wehaveagreatmanypeopletodaywholivepasttheageatwhichtheywanttoworkorareabletowork;wealsohaveruleswhichrequirepeopletoretireatacertainage.Unlessthesepeoplewereabletosavemoneyfortheirretirement,somebodyelsemustsupportthem.IntheUnitedStatesmanyretiredpeopleliveonsocialsecurityche

35、ckswhicharesolittlethattheymustliveinnearpoverty.Olderpeoplehavemoreillnessthanyoungormiddle-agedpeople;unlesstheyhavewealthorprivateorgovernmentinsurance,theymustoftengoonwelfareiftheyhaveaseriousillness.Whenolderpeoplebecomesenileortooweaktocareforthemselves,theycreategraveproblemsfortheirfamilies

36、.Inthepastandinsometraditionalcultures,theywouldbecaredforathomeuntiltheydied.Today,withmostmembersofahouseholdworkingorinschool,thereisoftennooneathomewhocancareforasickorweakperson.Tomeetthisneed,agreatmanynursinghomesandconvalescent（康复的）hospitalshavebeenbuilt.Theseareoftenprofit-makingorganizatio

37、ns,althoughsomearesponsored（赞助）byreligiousandothernonprofitgroups.Whileafewoftheseinstitutionsaregood,mostofthemaresimplydumpinggroundsforthedyinginwhichcareisgivenbypoorlypaid,overworked,andunder-skilledpersonnel.31. Whatwasthecausetothepopulationgrowthaccordingtothepassage?A. increaseofbirthrateB.

38、 advanceinmedicalcareC. well-administeredsocialwelfareD. thedecreaseofdeathrate32. Itcanbelearnedfromthepassagethatinsometraditionalsocieties.A. infantsmaybelefttodiewhenthereisn'tenoughfoodtogoaroundB. oldandsickpeoplearecaredforathomeuntiltheydiedC. peoplearerequiredtoretireatacertainageD. peo

39、plewhoaretooweakorillhavetotakecareofthemselves33. Whatdoestheword“senile”inthefirstlineofthelastparagraphmean?A.advancedinageB.sickC.disabledD.capricious34. Whatistheauthor'sattitudetowardthenursinghomesandconvalescenthospitalsmentionedintheparagraph?A.suspiciousB.optimisticC.neutralD.criticalQ

40、uestions35to40arebasedonthefollowingpassage:Althoughwealreadyknowagreatdealaboutinfluenza,andalthoughtheWorldHealthOrganizationisconstantlycollectingdetailedinformationfromitschainofinfluenzareferencelaboratoriesthroughouttheworld,itisextremelydifficultforepidemiologists（流行病专家）,whostudyinfectiousdis

41、ease,topredictwhenandwherethenextfluepidemicwilloccur,andhowsevereitwillbe.Therearethreekindsofinfluenzavirus,knownasA,BandC.InfluenzaCvirusisrelativelystableandcausesmildinfectionsthatdonotspreadfarthroughthepopulation.TheAandBtypesareunstable,andareresponsiblefortheepidemicsthatcausefrequentconcer

42、n.Followinganyvirusattack,thehumanbodybuildsupantibodieswhichconferimmunitytothatstrainofvirus,butaviruswiththecapacitytochangeitscharacterisabletoby-passthisprotection.VariabilityislessdevelopedintheinfluenzaBvirus,whichaffectsonlyhumanbeings.AninfluenzaBvirusmaycauseawidespreadepidemicbutwillhavel

43、ittleeffectifintroducedintothesamecommunitysoonafterwards,sincenearlyeveryonewillhavebuiltupantibodiesandwillbeimmune.TheinfluenzaAvirus,whichaffectsanimalsalso,isextremelyunstableandisresponsibleforsomeoftheworstoutbreaksofthedisease,suchastheunparalleledpandemic,orworldepidemic,of1918-1919,whenabo

44、uthalftheworld'spopulationwereinfectedandabouttwentymillionpeopledied,somefrompneumoniacausedbythevirusitselfandsomefromsecondarycomplications（并发症）causedbybacteria.Accuratepredictionisdifficultbecauseofthecomplicationofthefactors.Aparticularvirusmayberelatedtoonetowhichsomeofthepopulationhavepar

45、tialinvolvedimmunity.Theextenttowhichitwillspreadwilldependonfactorssuchasitsownstrength,orvirulence,theeasewithwhichitcanbetransmittedandthestrengthoftheoppositionitencounters.Scientists,however,haveareliablegeneralpictureoftheworldsituation.InfluenzaAattacksusinwaveseverytwoorthreeyears,whileinflu

46、enzaB,whichtravelsmoreslowly,launchesitsmainassaultseverythreetosixyears.Theoutbreaksvaryfromisolatedcasestoepidemicsinvolvingatenthormoreofthepopulation.Wemayconfidentlyprophesythatsoonerorlaterlargenumbersofpeoplewillbefeelingtheunpleasanteffectsofsomekindofinfluenzavirus.35. Whichofthefollowingis

47、themostappropriatetitleforthepassage?A. SymptomsofInfluenzaB. ManVersusVirusC. WorldHealthOrganization:ForefrontagainstInfluenzaVirusD. VariabilityofInfluenzaVirus36. Accordingtotheauthor,whichofthefollowingisNOTtrueaboutinfluenza?A. Manhasobtainedagreatdealofknowledgeaboutinfluenza.B. Theoccurrence

48、ofinfluenzaisstillunpredictable.C. InfluenzaisbeingstudiedextensivelyandsystematicallyinmanycountriesintheworldundertheguidanceofWorldHealthOrganization.D. Noreliabletreatmentofinfluenzahasyetbeenfound.37. WhatdoestheauthorsayabouttheinfluenzaBvirus?A. Bvirusisrelativelystableandcausesmildinfections

49、thatdonotspreadfarthroughthepopulation.B. Bvirusisunstable,andisresponsiblefortheepidemicsthatcausefrequentconcern.C. Bvirusisextremelyunstableandisresponsibleforsomeoftheworstoutbreaksofthedisease.D. Bvirushasaverydevelopedvariability,anditaffectsonlyhumanbeings.38. Whichofthefollowingisthemostdang

50、erousvirusaccordingtothepassage?A. influenzaAvirusB. influenzaBvirusC. influenzaCvirusD. itcannotbedeterminedbytheinformationprovided39. Whatdoestheword“assault”intheeighthlineofthelastparagraphmean?A.influenceB.attackC.symptomD.damage40. WhichofthefollowingisNOTmentionedasafactorcontributingtotheex

51、tenttowhichavirusspreads?A. thestrengthofthevirusB. thestrengthoftheoppositionthevirusencountersC. theeasewithwhichtheviruscanbetransmittedD. theimmunitytheviruscaninduceE. rtIIIVocabularyandStructure(20minutes)Directions:Thereare30incompletesentencesinthispart.Foreachsentencetherearefourchoicesmark

52、edA.,B.,C.andD.ChoosetheONEthatbestcompletesthesentence.ThenmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecenter.41. Thefactshesuppliedwerenotrelevantthecaseinquestion.A.withB.toC.forD.about42. Acommitteehasbeenbythecounseltolookintothecausesofunemployment.A.designedB.devisedC.w

53、orkedD.setup43. FewarticlesinthenewspapersmoreattentionthanthatreportingthemurdercasewithO.J.Simpsoninvolved.A.enlistB.divertC.drawD.absorb44. Juliatwochildrensinceshegotmarriedin1990.A.givesbirthtoB.hasgivenbirthtoC.hasbeengivingbirthtoD.gavebirthto45. Thehospitalwasbuiltonthesideofariver,hence.A.i

54、thasthenameRiversideB.giventhenameRiversideC.hasgotthenameRiversideD.thenameRiverside46. Ittookthemseveralweekstothewildhorse.A.cultivateB.civilizeC.curbD.tame47.Bythetimeyougraduate,weinAustraliaforoneyear.A.willbestayingB.willhavestayedC.wouldhavestayedD.havestayed48. Heappreciatedthechancetodeliv

55、erhisthesisintheannualsymposiumonComparativeLiterature.A.havinggivenB.tohavebeengivenC.tohavegivenD.havingbeengiven49.Theyleftfortheairportveryearlyinthemorningtrafficjam.A.inlinewithB.attheriskofC.incaseofD.forthesakeof50.Livinginthedesertinvolvesalotofproblems,watershortageistheworst.A.nottomentio

56、nB.ofwhichC.letaloneD.forwhat51. Thegovernmentofficialcanhardlyfindsufficientgroundshisargumentsinfavoroftherevisionofthetaxlaw.A.onwhichtobaseB.whichtobebasedonC.tobaseonwhichD.onwhichtobebased52.Hydrogenisoneofthemostimportantelementintheuniverseitprovidesthebuildingblocksfromwhichtheotherelements

57、areproduced.A.sothatB.butthatC.providedthatD.inthat53. Justasrelaxationisanimportantpartofourlives,stress.A.soisB.asitisC.andsoisD.thesameis54. Whileayoungman,hedecidedtoputasidealittlemoneyeverymonthtomakeforhisoldage.A.provisionB.supplyC.adjustmentD.insurance55.Thesalesdepartmenthassubmittedaofthe

58、irannualsalesreporttotheboardofdirectors.A.scheduleB.sketchC.shorthandD.scheme56.Itwouldbedifficultforanyonetobehaveinawaywhenoneisinafuriousstate.A.rationalB.legalC.stableD.credible57.Thefinalexamsapproached,thestudentsbecamemoreandmorenervous.A.notwithstandingB.forC.althoughD.as58.Vingotookabusandheadedforhome,ifhiswifewouldhavehimback.A.nottoknowB.notknownC.notknowingD.nothavin