大学英语四级考试模拟试题及答案解析

partiwriting

directionsrthispart,youareallowed30nutestowriteashortessayonthetopif"causlove"followingtheoutlinegivenbelowyoushouldwriteatleast120wordsbutnorethan180words

1校园情侣随处可见；

2不同的人对校园恋爱现象不同的看法；

3你对此事的观点。

partiilisteningrehension

?sectiona

directionsthissection,youwillhearthreenewsreportsattheendofeachnewsreport,youwillheartwoorthreequestionsboththenewsreportandthequestionswillbespokenonlyonceafteryouhearaquestion,youstchoosethebestanswerfrohefourchoicesrkeda),b),c)andd)thenrktherrespondingletteronanswersheet1withasinglelihroughthecentre

questions1and2arebasedonthenewsreportyouhavejustheard

1a)reflectingthetrees'iges

b)servingasasyolofinternationalfriendship

c)servingasastinicsite

d)preventingthepotocriverfrolooding

2a)theoriginaltreesarrivedatwashingtonin1800s

b)theoriginaltreeswereboughtfroapan

c)stoftheoriginaltreeswerepntedaroundthewashingtonnuntandthewhitehouse

d)thenueroforiginalcherrytreeswasover3,000

questions3and4arebasedonthenewsreportyouhavejustheard

3a)115votesb)209votesc)27votesd)182votes

4a)hewasointedstyear

b)hewonanarrowvictoryoverhisrival

c)heprosedtorestorethescandal-hitfifa

d)heprosedtocleanupallthescandals

questions5to7arebasedonthenewsreportyouhavejustheard

5a)20,000,000b)2,000,000c)200,000,000d)200,000

6a)43b)5c)10d)5-10

7a)theiragesstbebetweenfiveandten

b)theystberefugeesfrorazil

c)theystbeverifiedasrefugeesbytheun

d)theystrchouttotheopeningcereny

?sectionb

directionsthissection,youwillheartwolongnversationsattheendofeachnversation,youwillhearfourquestionsboththenversationandthequestionswillbespokenonlyonceafteryouhearaquestion,youstchoosethebestanswerfrohefourchoicesrkeda),b),c)andd)thenrktherrespondingletteronanswersheet1withasinglelihroughthecentre

?nversationone

questions8to11arebasedonthenversationyouhavejustheard

8a)itischcheaperanddon'ttakealongti

b)shefollowedherdaughters'request

c)shewantedtoenjoythescenerythroughthewindow

d)thetrainlooksverynice

9a)itisbuiltwithwoodb)thereisalotofttoninit

c)thereisakeinfrontofthehoused)itisnearauntain

10a)shewasfishingaroundthekeb)shewascatchingfishesintheke

c)shewascanoeingontheked)shewascliingtheuntain

11a)thewonregrettedtotakethetrain

b)thewontadisasterduringtheirholiday

c)thewondoesn'tlikefishes

d)thenwillgototheuntainduringthevacation

?nversationtwo

questions12to15arebasedonthenversationyouhavejustheard

12a)sheistakingavacationb)sheistravellingonbusiness

c)sheisinchinaforatripd)sheisprotinghernewbook

13a)oneguygotdrunkandbrokethevasewithoutknowing

b)oneguykickedthevasewhenpyingafootballgaaidentally

c)oneguyknockedthevasedownwhenwavinghisarnaident

d)ahorseranaroundinthehouseandknockedthevasedowncarelessly

14a)thevasefellontheuterb)waterspilledontheuter

c)theutercrashedonthefloord)thenrepairedtheuterhielf

15a)sadb)furiousc)helplessd)depressed

?sectionc

directionsthissection,youwillhearthreepassagesattheendofeachpassage,youwillhearsoquestionsboththepassageandthequestionswillbespokenonlyonceafteryouhearaquestion,youstchoosethebestanswerfrohefourchoicesrkeda),b),c)andd)thenrktherrespondingletteronanswersheet1withasinglelihroughthecentre

?passageone

questions16to18arebasedonthepassageyouhavejustheard

16a)bostonb)seattlec)sanfrancisd)seattleandsanfrancis

17a)becausethesebusinessesareexpandingrketsinothercities

b)becausethesegourtrchantsarefrothercities

c)becausethegourtffeerketisgrowingandntinuestogrow

d)becausethegourtffeerketwillgrowintoan8-llion-dolrrketby1999

18a)thosesllgourtffeebrands

b)thoseleadinggourtffeebrands

c)thoseregurbrands

d)thosegourtbrands

?passagetwo

questions19to21arebasedonthepassageyouhavejustheard

19a)theirskinisexposedtothefiercesunrays

b)theyareactiveinthedayti

c)theyliveinafrica

d)theythinkdarkskinsyolizeshealth

20a)itisstripedb)itntainsalotofdarkpignt

c)itissedryd)ithelpstheuseblendinwithchipnks

21a)allcearenotactiveduringtheday

b)theafricangrassuselivesintheeasternandsouthernafrica

c)theskinofhunswholiveinthetropicsntainsalotofdarkpignt

d)onlytheafricangrassusehasayerofnin-pigntedtissuebetweenitsskinandskull

?passagethree

questions22to25arebasedonthepassageyouhavejustheard

22a)bybeingrrectedfrequentlybyadults

b)byaringtheirperforncewiththatofothers

c)bybeinggivenpraisesorrewardswhenthey'rebetterthanothers

d)byteachers'pointingouttheirstakesatschool

23a)topointoutthechildren'sstakeoncetheykeone

b)toletchildrendependontheirteachers

c)toofferhelpwhenthechildrenadttheycan'tfindrightwaystotheanswer

d)togivethechildrenequalopportunitiestopygas

24a)itbenefitsthechildrentolearnrethings

b)itdoesn'thelpchildren'slearning

c)ithelpschildrenalotinscienceorthetics

d)itdoesn'thelpchildrentokefriends

25a)letthechildrenjudgetheirownwork

b)teachersshouldn'twastetheirtionhelpingchildren

c)childrenwillfigureouttheirstakesalltheti

d)allthechildrenneedareanswerbooksatschool

partiiireadingrehension

?sectiona

directionsthissection,thereisapassagewithtenbnksyouarerequiredtoselectonewordforeachbnkfrolistofchoicesgiveninawordbankfollowingthepassagereadthepassagethroughcarefullybeforekingyourchoiceseachchoiceinthebankisidentifiedbyaletterpleaserktherrespondingletterforeachitenanswersheet2withasinglelihroughthecentreyouynotuseanyofthewordsinthebankrethanonce

questions26to35arebasedonthefollowingpassage

aordingtosoeducators,funandgasarenothingwrongrecently,theeducationarcadehascalledinternationalgadesigners,teachers,publishersandpolicykerstogetherandheldanferenceintheeducationarcadeisagroupwhichatthessachusettsinstituteoftechnology,nearbostonandtheaifthenferencewastotalkoverthefutureoftheeducationalgastheexpined,"viavideogasanduter,weexpecttochangethewayoflearning"

what'sre,thenferencewasalsoapartofe-three,theelectronicentertainntexpositionthee-threeisatradeshowheldonceayearforaniestoshowtheirnewgasandeducationalproducts

professorsfroheeducationarcadeandcrosoftanywitheachotheronagas-to-teachproject,inwhichtheeducationarcadewasinchargeoftheresearchparttheprojectwastonewwaystolytechnologytoteachingandlearninggadesignerswereinvitedtojoinandhelpdevelopideasonhowtoxgapyingwithscienceand

awhileago,theeducationarcadeannouncedthatsoproductswouldbepcedwitha"gasforlearning"andwouldbegintoearintherketwithinsixnthsthegoalistoprotethatgasareteachingaswelsfunbesides,italsohelpsaniestogettoproducereteachinggas

aniesaredevelopingrerole-pyinggassyste,likehand-heldeducationaldevices,arebeingcreated,tooagacalled"revolution"isunderdevelopntinthelonialwilliaburgfoundationinvirginia,andtpyersaregoingtothearicanrevolutiononline

a)exploreb)beginc)businessd)showed

e)statentf)startedg)receiveh)working

i)experiencej)estitedk)lboratedl)thetics

educationaln)nalyo)participants

?sectionb

directionsthissection,youaregoingtoreadapassagewithtenstatentsattachedtoiteachstatentntainsrtiongiveninoneoftheparagraphsidentifytheparagraphfrohichthertionisderivedyouychooseaparagraphrethanonceeachparagraphisrkedwithaletteranswerthequestionsbyrkingtherrespondingletteronanswersheet2

a)therewardsofbeingrightaboutclitechangearebittersweetjashansenshouldknowthisbetterthanst—hewarnedofthiswholethingbeforengressin1988,whenhewasdirectorofnasa'sinstituteforspacestudiesattheti,theworldwasexperiencingitswarstfive-nthrunsincewestartedrerdingteeratures130yearsearlierhansensaid,"itistitostopwafflingsochandsaythattheevidenceisprettystrongthatthegreenhouseeffectishere"

b)fastforward28yearsand,whilewe'rehardlyoutofthewafflehouseyet,weknowchreaboutclitechangesciencehansenisstillworriedthattherestofusaren'tworriedenough

c)stsuer,priortountries'unitednationsnegotiationsinparis,hansenand16lboratorsauthoredadraftpaperthatsuggestedweuldseeatleast10feetofsea-levelriseinasfewas50years10feetofsea-levelriseisrethanenoughtoeffectivelykickusoutofeventhestwell-endowedastalcitiesstitchingtogetherarchaeologicalevidenceofpastclitechange,currentobservations,andfuture-tellingclitedels,theauthorssuggestedthatevenasluntofglobalwarngcanrackupenorusnsequences—andquickly

d)sowhat'sthedealtheauthorshighlightseveralofthethreatstheybelievewe'llfacethiscentury,includingnyfeetofsea-levelrise,ahaltingofjoroceancircutorycurrents,andanoutbreakofsuperstorthesearethebigthreatswe'vebeenafraidof—andhansealsaytheyuldbeherebeforeweknowit

sea-levelrise

e)thescientistsestitethatexistingclitedelsaren'taountingwellenoughforcurrenticelossoffofthegreenndandantarcticicesheetsrightnow,antarcticaandgreenndicesheetsbothntributeunderornear1llitertosea-levelriseeveryyear;theyeachntainenoughstoredicetodriveupoceanlevelsby200and20feet,respectively

f)thisstudysuggeststhat,sincetherateoficelossisincreasing,weshouldthinkofitnotasastraightlinebutasanexponentialcurve,doublingeveryfewyearsbuthowchtidoesittaketokeabigdifferencerightnow,asurentsoficelossaren'tclearenoughtoevenkeastrongestiteabouthowlongthatperiodghtbeisit10yearsor40it'shardtosaybasedontheliteddatawehavenow,whichwouldkeabigdifferenceeitherway

g)naturetendstoputlitsonexponentialgrowth,joughin—auniversityofwashingtonresearcherunaffiliatedwiththepaperandwhohasstudiedthetippingpointsofantarcticgciers—pointsouthere'sonlysofastyoucanveiceoutofanicesheet,"joughinexpinedwhilesoicessesybelpsingatanaeleratingrate,otherswon'tbeasvotile

h)thisans,whilesopartsoficesheetlpseyverywellproceedexponentially,wecan'texpectsuchsiletheticstodenythingintherealworldexcepttheterrorspikeofthekingdaka

oceanturnover

i)we'retalkingabouttheatnticridonaloverturningcircution,orac,andothercurrentslikeitasldltwaterflowsoffofgciersandicesheetsatenorusrates,itpoolsattheocean'ssurface,tringthedenserbutwarrsaltwaterbeneathitthiscanseriouslysswiththevingpartsoftheocean,theso-called"nveyorbelts"thatcycledeepnutrient-richwatertothesurfacetheseslowcurrentsaredrivenbyrge-scalecliteprocesses,likewind,anddriveothers,likethecarboncyclebuttheyalsorelyongradientsinteeratureanddensitytorun;iftoochldwaterfrohegcierspoolsatthesurface,thewholenveyorbeltuldstuttertoastop

j)inthenorthatntic,thiswouldanwatersgetlder,whilethetropics,deniedtheirinfluxoflderwater,wouldheatupprecipitouslyhansensayswe'realreadyseeingthebeginningsofac'sslowdownere'saspotofunusuallyolwaterhangingoutoffofgreennd,whiletheuseastastntinuestoseewarrandwarrteeratureshansensaiditpinlyinacallwithreportersthinkthisisthebeginningofsubstantialslowdownoftheac"

superstor

k)astheteeraturegradientbetweenthetropicandtheporoceansgetssteeper,thankstothatslowingofocean-xingcurrents,weuldseestrongerstor,toothisissurprisinglyintuitivectureateeraturegradientlikeahill,withthehighteeraturesupatthetopandthelowteeraturesdownatthebottosthehighsgethigherandthelowsgetlower,thathillgetsalotsteeper—andthestorarethebowlingballsyouchuckdownthehilbowlingballwillpickupalotrespeedonasteephill,andhurtalotrewhenitfinallyrunsintosothinglikewise,bythetithesesuperchargedstoraresingintoastsintheddletitudes,theywillbecarryingawholelotofdeadlyforcewiththep>sowhatdoesitaln

l)whetherotherscientistsquibbleovertheseresultsornot—andtheyprobablywill—theoverallssageishardlynewit'sbad,youguysitghtbereally,truly,deeplybad,oritghtbeslightlylessbadeitherway,sayshansen,whatweknowforsureisthatit'stitodosothingaboutit"angthetopexperts,there'saprettystrongagreentthatwe'vereachedapointwherethisistrulyurgent,"hesaid

sohansenisfrustratedoncerewiththefailureofhunitytorespondadequatelytheresulthe'dhopedforwhenhereleasedanearlyversionofthepaperonlinestsuerwastogetworldleaderstotogetherinparistoagreeonaglobalpriceoncarboncarbonpricesandessionscutsshouldberethepurviewofpoliticiansanddiplots

n)still,trueurgencywouldrequirereofusthanjustslowingthegrowthofessions—itrequiresstoppingtheltogetherinapaperpublishedin2013,hansenfoundthatwehavetocut6percentofouruseofcarbon-basedfuelseveryyear,ifwewanttoavoiddangerousclitechangehesaidonapresscall"that6percentreduction—that'snotadvocacy,that'sscienceandtheniwouldadvocatethatwedothat!"

o)thefutureiswetter,stranger,andstorerunlesswekeseriousvestoalternativeenergysourcesnowwillweybewe'vestartedbutwestillhavealong,longwaytogoifit'saracebetweenusandtheicesheets,neitherinorjashansennoranyoneelsecantellyouforsurewhowillwin

36superstorarecapableofcausinggreatdage

37oceanturnoverhasacloseretionshipwithteeraturechange

38icelossisexponential

39nationsshouldoperatetogethertocutcarbonpricesandessions

40it'shardtoestitewhentheicelosswillbringgreateffect

41thereisalitationinexponentialgrowth

42hansensuggestedcutting6percentofcarbon-basedfuelsnsutioneveryyear

43sealevelrisewilldrivehunoutofastalcities

44hunsarestillwafflingin2016

45jashansenhaswarnedofclitechange28yearsago

?sectionc

directionsereare2passagesinthissectioneachpassageisfollowedbysoquestionsorunfinishedstatentsforeachoftheherearefourchoicesrkeda),b),c)andd)youshoulddecideonthebestchoiceandrktherrespondingletteronanswersheet2withasinglelihroughthecentre

?passageone

tohosttheolyicgas,aproposalstbesubttedtotheioc—internationalolyioittee—atfirstafterreceivingtheproposals,theiocwillselectthehostcitybyvotinginthefirstround,ifnocitywinsajority,thecitywiththefewestvoteswillbeknockedoutthevotingntinuesunticitysuessesingainingajorityit'stypicaltoawardthehostofthegasseveralyearsinadvance,leavingthevictoriouscityenoughtitoprepare

theiocistakingnyfactorsintonsiderationwhenselectingthehostcity,likeifthecityhasbuilt,orprosestobuild,thebestfacilities;ifthecity'sanizingitteeiscapableofholdingthegaseffectivelytheiocalsotakesinaountwhichdistrictintheworldhasnoteverhostedthegasthehostofthe1968suergas,xicity,forexale,wasselectedtopopurizetheolyicsintinaricapartiallyrecentlyyears,forthereasonofgrowingiortanceoftelevisionworldwide,thehostcity'stizoneisalsonsideredforinstance,notterwhenthegasproceedintheusaorcanada,inordertobroadcastliveeventsinpriti,thearicatelevisionworklikestopayhigherauntstogainthetelevisionright

thenutethegasisawarded,neithertheioorthenofthehostcity'suntrywillfinancethehelocalanizingitteeisresponsibleforllectingfundsit'sdoneoftenwithapartoftheolyictelevisionrevenues,andwithticketsalesandrporatesponsorshipsbesides,therearealsosoothersllrevenuesourcesthatwillsupport,suchasproceedsfronationallotteryorerativestasanti,thegovernntiswillingtoprovidefundsdirectlyinstcases

stofthehostcitieshavegainedagreatfinancialprofitthroughtheolyicgashowever,thegascanalsoberiskyinfinanceiftheproceedsfroheolyicsarelessthanexpected,thecitywillbeindebtheavily

46inthevoting,thegaswillbeawardedtothecitywhich__

a)getsthestvotesinthefirstroundb)getsrethanhalfvotes

c)hasthebestfacilitiesd)payshighestforthetelevisionrights

47whichghtbethereasontochoosexicityasthehostofthe1968suergas

a)it'sthecapitalofxib)it'snexttoarica

c)it'sfausintinaricad)itdoesn'tneedfinancefroheioc

48whichoneisnotthefactortheioonsidersinselectingthehostcity

a)theabilitytostagethegasb)iftheareausedtohostthegas

c)howchtheioeedstofinanceitd)thehostcity'stizone

49whowillfinancethegas

a)theiocandthenofthehostcity'suntry

b)theiorthenofthehostcity'suntry

c)thelocalanizingitteeandgovernnt

d)thelocalfinancialanizationsandgovernnt

50ofthefollowingfourstatents,whichoneisright

a)thehostuntrysthavegainedvotesfroajoruntriesinthevoting

b)allthehostcitieswillnotgaingreatprofitasexpected

c)therewillbedirectsupportfroovernntinanycasefortheolyics

d)thehostuntrycanlyretitoprepareforthegas

?passagetwo

peoplearebeingtrickedintofacebookwithaproseofafreeandfunservicebutpeopledon'trealizethatthey'repayingforitinaninvisibleway—uploadingtheirpersonalrtionadvertisersbuytheusers'personaldatafroacebookandsendtargetedssages

argepartoffacebookusershavenoideawhatisheningeventhoughtheyaretoldwhattheanyhasdone,theystilldon'trealizewhatthey'repayingexactlytheydon'tknowhowchtheirpersonalrtionisworth

however,it'snotthebiggestproblehebiggestproblesthattherulesarekeepingbeingchangedinthebeginning,you'reabletokeepeverythingprivateandbuildyourownlittleprivateworkthat'squitegreattheanychangedtheprivacyrulesstyearnythingsaresetbydefaulttobepublintheinter,likeyourcity,yourphoto,andyourfriends'nasyou'resharingwitheveryonewithoutrealizingit

aordingtoelliotschrage,whoisfacebook'svice-president,thechangewasdesilytoiroveitsservice,andpeoplewillfeellesssatisfiediftheydon'tsharertionbutsocriticsbelievethatit'sreaboutfacebookattetingforreneytheoriginaldelofsellingadsandpcingthetthesidesandendsofpagesfailedtotally,becausepeoplepaylittleattentiontotheadswhennnectingwithfriends

inapril,facebookwasndedinhotwaterbytheprivacyissueinwashingtonandwasrequiredtochangeitsprivacypolicybysenatorcharlesschursenatorcharlesschuralsoealedthatthefederaltradeissionshouldforteregutionsforsocial-workingsitesasearlyaspossible

idoubtit'sjustthebeginningoffacebookinvadingourprivacyandthat'sthereasonthati'hinkingovertocancelfacebookaount,evenit'sreallyahandysitei'orriedwhenirealizethefactthatsoguysidon'ttrustarentrollingrtionthepriceistoohightoaffordfor

51whatdoweknowfrohefirstparagraph

a)facebookprofitsbysendingssagestotargetusers

b)facebookprofitsbysellingtheuser'spersonalrtion

c)facebookprofitsbyloadingrtionoftheusers

d)facebookprofitsbysellingfunservice

52whatcanweknowaboutthefacebookusersfroheauthor

a)theydopayneywithoutrealizingit

b)theyarenotwillingtogiveuptheirpersonalrtion

c)theydon'tknowtheirpersonalrtionenrichesthefacebook

d)theycarelittleabouttheirpersonaldata

53aordingtoelliotschrage,whydoesfacebookchangeitsprivatepolicy

a)tokereneyb)torenderbetterservice

c)tohavereusersd)tosellreads

54whatdidsenatorcharlesschurcallon

a)tosetguidelinesforsocial-workingsites

b)toforteregutionsforadvertisingonwebsites

c)toforbidadvertisentsonallsocial-workingsites

d)toirovewstoprotectpeople'spersonaldata

55whydoestheauthornsiderdeactivatinghisfacebookaount

a)heisworriedabouthispersonaldatabeingabused

b)heisupsetbyfacebook'sfrequentpolicychanges

c)heisnotsatisfiedwithreceivingadsfroeoplehedoesn'tknow

d)hedoesn'twanttopayfacebookneyanyre

partivtranstion

directionsrthispart,youareallowed30nutestotranstethefollowingpassagefrohineseintoenglishyoushouldwriteyouransweronanswersheet2

人的生命的意义究竟有多大，是否有什么衡量标准？当然，要制定出一个绝对标准很难；但是，大体上，从一个人对待生命的态度是否严肃认真，不难估计这个人存在的意义。

自古以来，凡是有所成就的人，对待自己的生命都很严肃。他在活着的每一天里，总是尽量去劳动、工作和学习，不愿虚度年华，不愿让时间白白浪费。

答案解析

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行文思路