大学英语四级真题及答案第三套Word下载.docx
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大学英语四级真题及答案第三套Word下载.docx
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B)Byworkingparttimeatahospital.D)Byaskingforhelponsocialmedia.
Questions3and4arebasedonthenewsreportyouhavejustheard.
3.A)Findingcheaperwaysofhighwayconstruction.
B)Generatingelectricpowerforpassingvehicles.
C)Providingcleanenergytofivemillionpeople.
D)Testingtheefficiencyofthenewsolarpanel.
4.A)Theycanstandthewearandtearofnaturalelements.
B)Theycanbelaidrightontopofexistinghighways.
C)Theyareonlyabouthalfaninchthick.
D)Theyaremadefromcheapmaterials.
Questions5to7arebasedonthenewsreportyouhavejustheard.
5.A)Endlessfightingintheregion.C)Inadequatefundingforresearch.
B)Thehazardsfromthedesert.D)Thelackofcluesaboutthespecies.
6.A)Toobservethewildlifeinthetwonationalparks.
B)Toidentifythereasonsforthelions’disappearance.
C)TostudythehabitatoflionsinSudanandEthiopia.
D)Tofindevidenceoftheexistenceofthe“lostlions”.
7.A)Lionswalking.C)Somecampingfacilities.
B)Lions’tracks.D)Trapssetbylocalhunters
SectionB
Directions:
Inthissection,youwillheartwolongconversations.Attheendofeachconversation,youwillhearfourquestions.Boththeconversationandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C),andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.
Questions8to11arebasedontheconversationyouhavejustheard.
8.A)Her‘luckybirthday’.C)Herweddinganniversary.
B)Acallfromherdad.D)Aspecialgiftfromtheman.
9.A)Gaveherabigmodelplane.C)Tookheronatripoverseas.
B)Boughtheragoodnecklace.D)Threwherasurpriseparty.
10.A)Thegiftherhusbandhasbought.
B)Thetripherhusbandhasplanned.
C)Whathasbeentroublingherhusband.
D)Whatherhusbandandthemanareupto.
11.A)Hewillbegladtobeaguideforthecouple’sholidaytrip.
B)Hewilltellthewomenthesecretifherhusbandagrees.
C)Heiseagertolearnhowthecouple’sholidayturnsout.
D)Hewantstofindoutaboutthecouple’sholidayplan.
Questions12to15arebasedontheconversationyouhavejustheard.
12.A)Theyaresensitivetothedynamicsofanegotiation.
B)Theyseetheimportanceofmakingcompromises.
C)Theyknowwhentoadoptatoughattitude.
D)Theytaketherival’sattitudeintoaccount.
13.A)Theyknowhowtoadapt.C)Theyknowwhentomakecompromises.
B)Theyknowwhentostop.D)Theyknowhowtocontroltheiremotion.
14.A)Theyarepatient.C)Theylearnquickly.
B)Theyaregoodatexpression.D)Theyupholdtheirprinciples.
15.A)Makeclearone'
sintentions.C)Formulateone'
sstrategy.
B)Clarifyitemsofnegotiation.D)Gettoknowtheotherside.
SectionC
Inthissection,youwillhearthreepassages.Attheendofeachpassage,youwill
hearthreeorfourquestions.Boththepassageandthequestionswillbespokenonly
once.Afteryouhearaquestion,youmustchoosethebestanswerfromthefour
choicesmarkedA),B),C),D).ThenmarkthecorrespondingletteronAnswer
Sheet1withasinglelinethroughthecentre.
Questions16to18arebasedonthepassageyouhavejustheard.
16.A)WhenAmerica'
searliestspaceprogramstarted.
B)WhentheInternationalSpaceStationwasbuilt.
C)Howmanyspaceshuttlemissionstherewillbe.
D)HowspaceresearchbenefitspeopleonEarth.
17.A)Theyaccuratelycalculatedthespeedoftheorbitingshuttles.
B)Theydevelopedobjectsforastronautstouseinouterspace.
C)Theytriedtomeetastronauts'
specificrequirements.
D)Theytriedtomakebestuseofthelatesttechnology.
18.A)Theyareextremelyaccurate.C)Theywerefirstmadeinspace.
B)Theyareexpensivetomake.D)Theywereinventedinthe1970s.
Questions19to21arebasedonthepassageyouhavejustheard.
19.A)ItwaswhenherancestorscametoAmerica.
B)Peoplehadplentyoflandtocultivatethen.
C)Itmarkedthebeginningofsomethingnew.
D)Everythingwasnaturalandgenuinethen.
20.A)Theybelievedinworkingforgoals.C)Theyhadallkindsofentertainment.
B)Theyenjoyedlivingalivingalifeofease.D)Theywereknowntobecreative.
21.A)Chattingwithherancestors.C)Polishingallthesilverwork.
B)Furnishinghercountryhouse.D)Doingneedleworkbythefire.
Questions22to25arebasedonthepassageyouhavejustheard.
22.A)Useamaptoidentifyyourlocation.C)Sitdownandtrytocalmyourself.
B)Callyourfamilyorfriendsforhelp.D)Trytofollowyourfootprintsback.
23.A)Youmayfindawayoutwithoutyourknowingit.
B)Youmayexposeyourselftounexpecteddangers.
C)Youmaygetdrownedinasuddenflood.
D)Youmayendupenteringawonderland.
24.A)Lookforfood.C)Startafire.
B)Waitpatiently.D)Walkuphill.
25.A)Informsomebodyofyourplan.C)Checkthelocalweather.
B)Prepareenoughfoodanddrink.D)Findamapandacompass.
PartⅢReadingComprehension(40minutes)
Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).YoushoulddecideonthebestchoiceandmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.
PassageOne
Questions46and50arebasedonthefollowingpassage.
Aginghappenstoallofus,andisgenerallythoughtofasanaturalpartoflife.Itwouldseemsillytocallsuchathinga“disease.”
Ontheotherhand,scientistsareincreasinglylearningthatagingandbiologicalagearetwodifferentthings,andthattheformerisakeyriskfactorforconditionssuchasheartdisease,cancerandmanymore.Inthatlight,agingitselfmightbeseenassomethingtreatable,thewayyouwouldtreathighbloodpressureoravitamindeficiency.
BiophysicistAlexZhavoronkovbelievesthatagingshouldbeconsideredadisease.Hesaidthatdescribingagingasadiseasecreatesincentivestodeveloptreatments.
“Ituntiesthehandsofthepharmaceutical(制药的)industrysothattheycanbegintreatingthediseaseandnotjustthesideeffects,”hesaid.
“Rightnow,peoplethinkofagingasnaturalandsomethingyoucan’tcontrol,”hesaid.“INacademiccircles,peopletakeagingresearchasjustaninterestareawheretheycantrytodevelopinterventions.Themedicalcommunityalsotakesagingforgranted,andcandonothingaboutitexceptkeeppeoplewithinacertainhealthrange.”
Butifagingwererecognizedasadisease,hesaid,“Itwouldattractfundingandchangethewaywedohealthcare.Whatmattersisunderstandthatagingiscurable.”
“Itwasalwaysknownthatthebodyaccumulatesdamage,”headded.“Theonlywaytocureagingistofindwaystorepairthatdamage.Ithinkofitaspreventivemedicineforage-relatedconditions.”
LeonardHayflick,aprofessorattheUniversityofCalifornia,SanFrancisco,saidtheideathatagingcanbecuredimpliesthehumanlifespancanbeincreased,whichsomeresearcherssuggestispossible.Hayflickisnotamongthem.
“There’remanypeoplewhorecoverfromcancer,stroke,orheartdisease.Buttheycontinuetoage,becauseagingisseparatefromtheirdisease,”Hayflicksaid.“Evenifthosecausesofdeathwereeliminated,lifeexpectancywouldstillnotgomuchbeyond92years.”
46.Whatdopeoplegenerallybelieveaboutaging?
A)Itshouldcausenotalarmwhatsoever.
B)Theyjustcannotdoanythingaboutit.
C)Itshouldberegardedasakindofdisease.
D)Theycandelayitwithadvancesinscience.
47.Howdomanyscientistsviewagingnow?
A)Itmightbepreventedandtreated.C)Itresultsfromavitamindeficiency.
B)Itcanbeasriskyasheartdisease.D)Itisanirreversiblebiologicalprocess.
48.WhatdoesAlexZhavoronkovthinkof“describingagingasadisease”?
A)Itwillpromptpeopletotakeagingmoreseriously.
B)Itwillgreatlyhelpreducethesideeffectsofaging.
C)Itwillfreepharmacistsfromtheconventionalbeliefsaboutaging.
D)Itwillmotivatedoctorsandpharmaciststofindwaystotreataging.
49.Whatdowelearnaboutthemedicalcommunity?
A)Theynowhaveastronginterestinresearchonaging.
B)Theydifferfromtheacademiccirclesintheirviewonaging.
C)Theycancontributetopeople’shealthonlytoalimitedextent.
D)Theyhavewaystointerveneinpeople’sagingprocess.
50.WhatdoesProfessorLeonardHayflickbelieve?
A)Thehumanlifespancannotbeprolonged.
B)Agingisha
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