大学英语六级模拟题03Word文档格式.docx
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大学英语六级模拟题03Word文档格式.docx
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Q:
Forhowlongcantheywork?
Youwillread:
A)2hours.
B)3hours.
C)4hours.
D)5hours.
Fromtheconversationweknowthatthetwoaretalkingaboutsomeworktheywillstartat9o'
clockinthemorningandhavetofinishat2intheafternoon.Therefore,D)"
5hours"
isthecorrectanswer.Youshouldchoose[D]ontheAnswerSheetandmarkitwithasinglelinethroughthecenter.
SampleAnswer[A][B][C][CD2][KG-1*4/5][D]
1.A)BuysomethingintheBillsupermarket.
B)Getmoneytopayherbill.
C)Checktoseewhetherhecanpayincash.
D)Getacheckforthewoman.
2.A)Atclass. B)Backathome.
C)Atwork. D)Inhospital.
3.A)Shewillhelphim.
B)Shefinishedherstwodaysago.
C)Shecompletedherworkveryquickly.
D)Sheisstilldoingtheproject.
4.A)Angry. B)Hungry.
C)Tired. D)Dissatisfied.
5.A)Itisnottheirs.
B)Ithassomeproblems.
C)Itisoutofwarranty.
D)Itwasstolen.
6.A)Shedoesn'
tlikepicnic.
B)Itwillbetoohot.
C)Shewillhaveanexamnextweek.
D)Thebiologyclasswillgotothebeachnextweek.
7.A)ItdoesnotconcernJohn.
B)Johndoesnotcareabouthiscar.
C)Johnwillhelphimfixthecar.
D)HewantsJohntofixthecar.
8.A)20miles. B)6miles.
C)14miles. D)26miles.
9.A)It'
stimetourgehimtostudymath.
B)Hehimselfshouldmakethedecision.
C)Theyshouldhelphimstudymath.
D)Theyshouldleaverightnow.
10.A)Ithasbeenpublished.
B)Ithasbeenthrownoutasjunk.
C)Ithasbeendeletedfromthecomputer.
D)Thewomancannotgetitanylonger.
Section B
PassageOne
Questions11to13arebasedonthefollowingpassage:
11.A)Soil. B)Humanpopulation.
C)Forest. D)Water.
12.A)Byusingsatelliteimages,maps,etc.
B)Bystudyingspecificfarmingmethods.
C)Bystudyingthevariationofhumanpopulation.
D)Byanalyzingthequalityofcrops.
13.A)Byforcingthemfarming.
B)Byaffectingthequalityofsoils.
C)Byaddingchemicalsandpollutethewaterways.
D)Byaffectingtheenvironmentstheylivein.
PassageTwo
Questions14to16arebasedonthefollowingpassage:
14.A)Toestimatetheextremeweather.
B)Todevelopthesatellitetechnology.
C)Toimproveagriculturaloutput.
D)Tolearnhowtochangeinformationtomapsmoreefficiently.
15.A)Byturningtheintensityofsunshineintomaps.
B)Byanalyzingtherecentweatherreport.
C)Bycapturingthemicrowaveradiationfromthesoil.
D)Byanalyzinginformationprovidedbygroundobservationcenters.
16.A)Acquireinformationfromsatellitesmoreefficiently.
B)Torealizefullcoverageofareathesatellitepassesover.
C)Buildingmoregroundobservationcenters.
D)Comparesatellitesinformationwiththosefromground.
PassageThree
Questions17to20arebasedonthefollowingpassage:
17.A)Callonpeopletoprotectsharks.
B)Pointoutthelivingenvironmentofsharks.
C)Explainwhythesharksaredangerous.
D)Anintroductiontosharks.
18.A)Bygoodsenseofwaterwavesmadebyquarries.
B)Bygoodsenseofsmellandelectricalmagneticpower.
C)Bygoodsenseoflight.
D)Bygoodsenseofblood.
19.A)Bonestructure.
B)Smellability.
C)Birthmode.
D)Recoverabilityagainstdisease.
20.A)Theirtastymeat.
B)Theprincipleoftheirdefensesystemagainstdisease.
C)Theirsolidskin.
D)Theprincipleoftheirbirthmodes.
Part Ⅱ
ReadingComprehension(35minutes)
Questions21to25arebasedonthefollowingpassage:
ScientistssaytherehasbeenaseveredecreaseintheamountofwaterinLakeChadinnorthernAfricainthelastthirtyyears.Theyreportthatnatureandhumansshareequalblameforthisloss.
In1963thefreshwaterlakecoveredtwenty-five-thousand-squarekilometers.Nowthelakeisonlyaboutfivepercentofthatsize.Itmeasuresonlyaboutone-thousand-three-hundredsquarekilometersinthedryseason.
FournationssurroundLakeChad.PeopleinNiger,Nigeria,Chad,andCameroonuseitforwater,fishandplantlife.
MichaelCoeandJonathanFoleyarewaterexpertsattheUniversityofWisconsininMadison.TheyreportedaboutLakeChadintheJournalofGeophysicalResearch.Theysaytheareahassufferedfromalackofheavyrainformorethanthirtyyears.Thishasforcedpeopletobuildsystemstocarrywatertodryland.Theseirrigationsystemsfurtherdecreasethelake.
MisterCoesaysLakeChadwillbeonlyasmallbodyofwaterinthefuture.Hesayspeoplestillcangetwaterfromthelaketodrinkandforcrops.Buthesaysthelakewillnolongerprovideahealthyenvironmentforfishandplantlife.
Theresearchersusedacomputertostudywhatcausedthewaterloss.Theircomputerstudyestimatedtheclimateandamountofwaterinthearea.Theestimatestartedwiththeearly1960s.Thentheresearcherscomparedtheestimateswiththearea'
srecordedclimateandwatersupplyforthesameperiod.
Thecomputerstudyshowedresultssimilartotherecordedonesforthefirsttwentyyears.Buttherewasabigchangeinthe1980s.Atthattime,thelakegotsmallermuchfasterthanthecomputerresearchhadestimated.
Theresearcherssaymajorirrigationsystemswerebuiltinthe1980s.ThesystemstookwaterfromtworiversthatflowintoLakeChad.TheChariandLogoneriverscarrymostofthewaterthatentersthelake.Thestudyshowedtheincreasedirrigationreducedtheflowinthetworivers.Climatechangesalsowereresponsibleforthereduction.Todaytheflowofthetworivershasbeenreducedbyalmostseventy-fivepercent.
Scientistssaytheproblemisexpectedtoworseninthecomingyearsasthepopulationanddemandforwatercontinuetoincrease.
21.Whatisthispassagemainlyabout?
A)DemonstratingtheseriousweatherconditionaroundLakeChad.
B)Introducingpeople'
sactivityaroundLakeChad.
C)AnalyzingofthefactorsthatcausewaterdecreasesinLakeChad.
D)Introducingscientists'
workaboutwaterconditioninLakeChad.
22.WhatdidpeopledotosolvetheproblemofrainlackaroundChadLake?
A)Theymovedoutofthisarea.
B)TheydrewwaterfromLakeChad.
C)Theycarriedwaterfromotherareas.
D)Theyutilizeseawaternearthisarea.
23.Whichofthefollowingistrueaccordingtothispassage?
A)ChadLakelocatedinthemiddleofChadinnorthernAfrica.
B)ThewaterfromChadwatercannowonlybeusedforirrigation.
C)TheareaaroundChadLakehassufferedfromheavyrainlackmanydecades.
D)PopulationaroundtheChadLakenowbeginstodecreaseduetowaterlack.
24.Whycomputerdatabecomeimprecisein1980s?
A)Therelatedprogramsonthecomputerwereoutofdate.
B)Moreandmorepeopledrewwaterdirectlyfromthelakefordrink.
C)Aheavyrainhappenedaround1980.
D)Theirrigationfromthesourcewaterincreases.
25.Whatisscientists'
attitudetowardsthefutureofChadLake?
A)Pessimism. B)Hopeful.
C)Indifferent. D)Doubtful.
Questions26to30arebasedonthefollowingpassage:
ScientistshavelongbelievedonewaytostoptheEarth'
satmospherefromwarmingisbyplantingmoretrees.Theideaisthatmoretreeswilltakeinorabsorbsomeofthecarbondioxideintheatmosphere.Carbondioxideisagasreleasedbycars,factoriesandotherhumanactivities.ThegastrapsheatintheEarth'
satmosphere,whichwarmstheplanet.However,twonewstudieshavefoundthattreesmaynotbeashelpfulinreducingcarbondioxideashadbeenthought.
ThefirststudywasdoneatDukeUniversityinDurham,NorthCarolina.Researcherspumpedextracarbondioxideintoatestareawherepinetreesweregrowing.Thetreesgrewthirty-fourpercentfasterduringthefirstthreeyears.However,intime,thetreesslowedtoabouttheirnormalgrowthrate.Thescientistssaythisisbecausetreesneedothernutrients,suchasnitrogen.
Inthesecondstudy,researchersfromDukeandBowdoinCollegeinBrunswick,Maineexaminedthesoilaroundtrees.Theydiscoveredthatastheleavesbrokedownintothesoil,allthecarbonwasnottrappedinthesoil.Muchofitwasreleasedintotheatmosphereascarbondioxide.
ThefindingsofthetwostudieswerepublishedlastmonthinNaturemagazine.Theysuggestthereislimitedvalueinplantingtreestoreducethecarbondioxidepollutionintheatmosphere.
Forestplantinghasbeenapartofnegotiationsonaworldagreementtoreducegreenhousegasesthatscientistsbelievecauseglobalwarming.TheUnitedStates,Canada,Japanandsomeotherindustrialcountrieshavesupportedtheidea.Butthisnewresearchsuggeststheideaisnotaseffectiveasenvironmentalactivistshadthought.ScientistRamOrenofDukeUniversityledthestudyontreegrowth.Hesaysthatearlierestimatesontheabilityofforeststoabsorbcarbondioxidewereoverlyhopeful.
Somescientistsnotinvolvedinthestudiessaytheresearchprovidessomeofthefirstevidenceonhowtreesreac
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