2017年12月大学英语四级真题试卷及答案(三套全)

第页目录TOC\o"1-1"\h\u269202017年12月大学英语四级真题试题一(完整版) 115379答案12月大学英语四级真题试题二(完整版) 1616935答案 24226082017年12月大学英语四级真题试题三(完整版) 2511464答案 342017年12月大学英语四级真题试题一(完整版)PartIWriting(25minutes)(请于正式开考后半小时内完成该部分，之后将进行听力考试)Directions:Forthispart,youareallowed30minutestowriteanashorteasyonhowtobesthandletherelationshipbetweendoctorsandpatients.Youshouldwriteatleast120wordsbutnomorethan180words.PartIIListeningComprehension(30minutes)SectionADirections:Inthissection,youwillhearthreenewsreports.Attheendofeachnewsreport,youwillheartwoorthreequestions.Boththenewsreportandquestionswillbespokenonlyonce.Afteryouhearquestions,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.注意：此部分试题请在答题卡1上作答。Questions1to2arebasedonthenewreportyouhavejustheard.A)Hergrandfather. B)Hergrandfather.C)HerfriendErika.D)Herlittlebrother.2.A)Bytakingpicturesforpassers-by.B)Bysellinglemonadeandpictures.C)Byworkingparttimeatahospital.D)Byaskingforhelponsocialmedia.Questions3to4arebasedonthenewreportyouhavejustheard.3.A)Testingtheefficiencyofthenewsolarpanel.B)Providingcleanenergytofivemillionpeople.C)Generatingelectricpowerforpassingvehicles.D)Findingcheaperwaysofhighwayconstruction.4.A)Theyaremadefromcheapmaterials.B)Theyareonlyabouthalfaninchthick.C)Theycanbelaidrightontopofexistinghighways.D)A)Theycanstandthewearandtearofnaturalelements.Questions5to7arebasedonthenewreportyouhavejustheard.5.A)Thelackofcluesaboutthespecies.B)Endlessfightingintheregion.C)Inadequatefundingforresearch.D)Thehazardsfromthedesert.6.A)Toobservethewildlifeinthetwonationalparks.B)TostudythehabitatoflionsinSudanandEthiopia.C)Toidentifythereasonsforthelions’disappearance.D)Tofindevidenceoftheexistenceofthe“lostlions”.7.A)Lions’tracks.B)Lionswalking.C)Somecampingfacilities.D)Trapssetbylocalhunters.SectionBDirections:Inthissection,youwillheartwolongconversations.Attheendofeachconversation,youwillhearfourquestions.Boththeconversationandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.Questions8to11arebasedontheconversationyouhavejustheard.8.A)Aspecialgiftfromtheman.B)Acallfromherdad.C)Herweddinganniversary.D)Her‘luckybirthday’.9.A)Threwherasurpriseparty.B)Boughtheragoodnecklace.C)Withatraveler’scheckD)Withhissmartphone10.A)Whatherhusbandandthemanareupto.B)Whathasbeentroublingherhusband.C)Thetripherhusbandhasplanned.D)Thegiftherhusbandhasbought.11.A)Hewantstofindoutaboutthecouple’sholidayplan.B)Heiseagertolearnhowthecouple’sholidayturnsout.C)Hewilltellthewomenthesecretifherhusbandagrees.D)Hewillbegladtobeaguideforthecouple’sholidaytrip.Questions12to15arebasedontheconversationyouhavejustheard.12.A)Theytaketherival’sattitudeintoaccount.B)Theyknowwhentoadoptatoughattitude.C)Theyaresensitivetothedynamicsofanegotiation.D)Theyseetheimportanceofmakingcompromises.13.A)Theyknowwhentostop.B)Theyknowhowtoadapt.C)Theyknowwhentomakecompromises.D)Theyknowhowtocontroltheiremotion.14.A)Theyarepatient.B)Theylearnquickly.C)Theyaregoodatexpression.D)Theyupholdtheirprinciples.15.A)Clarifyitemsofnegotiation.B)Makeclearone'sintentions.C)Gettoknowtheotherside.D)Formulateone'sstrategy.SectionCDirections:Inthissection,youwillhearthreepassages.Attheendofeachpassage,youwillhearfourquestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.Questions16to18arebasedonthepassageyouhavejustheard.16.A)HowspaceresearchbenefitspeopleonEarth.B)WhentheInternationalSpaceStationwasbuilt.C)Howmanyspaceshuttlemissionstherewillbe.D)WhenAmerica'searliestspaceprogramstarted.17.A)Theytriedtomakebestuseofthelatesttechnology.

B)Theytriedtomeetastronauts'specificrequirements.C)Theydevelopedobjectsforastronautstouseinouterspace.D)Theyaccuratelycalculatedthespeedoftheorbitingshuttles.A)Theyareexpensivetomake.

B)Theyareextremelyaccurate.C)Theywerefirstmadeinspace.D)Theywereinventedinthe1970s.Questions19to21arebasedonthepassageyouhavejustheard.A)Everythingwasnaturalandgenuinethen.B)Peoplehadplentyoflandtocultivatethen.C)Itmarkedthebeginningofsomethingnew.D)ItwaswhenherancestorscametoAmerica.20.A)Theywereknowntobecreative.B)Theyenjoyedlivingalivingalifeofease.C)Theyhadallkindsofentertainment.D)Theybelievedinworkingforgoals.21.A)Chattingwithherancestors.B)Doingneedleworkbythefire.C)Furnishinghercountryhouse.D)Polishingallthesilverwork.Questions22to25arebasedonthepassageyouhavejustheard.22.A)Sitdownandtrytocalmyourself.B)Callyourfamilyorfriendsforhelp.C)Useamaptoidentifyyourlocation.D)Trytofollowyourfootprintsback.23.A)Youmayendupenteringawonderland.B)Youmaygetdrownedinasuddenflood.C)Youmayexposeyourselftounexpecteddangers.D)Youmayfindawayoutwithoutyourknowingit.24.A)Walkuphill.B)Lookforfood.C)Startafire.D)Waitpatiently.25.A)Checkthelocalweather.B)Findamapandacompass.C)Prepareenoughfoodanddrink.D)Informsomebodyofyourplan.PartⅢ ReadingComprehension(40minutes)SectionADirections:Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices,Eachchoiceinthebankisidentifiedbyaletter.PleasemarkthecorrespondingletterforeachitemonAnswerSheet2withasinglelinethroughthecentre.Youmaynotuseanyofthewordsinthebankmorethanonce.Questions26to35arebasedonthefollowingpassage.Weallknowthereexistsgreatvoid（空白）inthepubliceducationalsystemwhenitcomesto(26)_______toSTEM（Science,Technology,EngineeringMathematics）,OneeducatornamedDoriRobertsdecidedtodosomethingtochangethissystem.Doritaughthighschoolengineeringfor11years.Shenoticedtherewasarealvoidinqualitystemeducationatall(27)_______ofthepubliceducationalsystem.shesaid,“IstartedEngineeringforkids(EFK)afternoticingareallackofmath,scienceandengineeringprogramsto(28)_______myownkidsin.”Shedecidedtostartanafterschoolprogramwherechildren(29)_______inSTEM-basedcompetitions.Theclubgrewquicklyandwhenitreached180membersandthekidsintheprogramwonseveralstate(30)_______.shedecidedtodevoteallhertimetocultivatingand(31)_______itTheglobalbusinessEFKwasborn.DoribeganoperatingEFKoutofherVirginiahome,whichshethenexpandedto(32)_______recreationcenters.Today,theEFKprogram(33)_______over144branchesin32stateswithintheUnitedStatesandin21countries.Saleshavedoubledfrom$5millionin2014to$10millionin2015,with25newbranchesplannedfor2016.theEFKwebsitestates,“Ournationisnot(34)_______enoughengineers.Ourphilosophyistoinspirekidsatayoungagetounderstandthatengineeringisagreat(35)_______.”注意：此部分试题请在答题卡2上作答。A) attractedB) careerC) championshipsD) degreesE) developingF) enrollG) exposureH) feasibleI) feedingJ) graduatingK) interestL) levelsM) localN) operatesO) participatedSectionBDirections:Inthissection,youaregoingtoreadapassagewithtenstatementsattachedtoit.Eachstatementcontainsinformationgiveninoneoftheparagraphs.Identifytheparagraphfromwhichtheinformationisderived.Youmaychooseaparagraphmorethanonce.Eachparagraphismarkedwithaletter.AnswerthequestionsbymarkingthecorrespondingletteronAnswerSheet2.Whyaren’tyoucuriousaboutwhathappened?[A]“YoususpendedRayRiceafterourvideo，”areporterfromTMZchallengedNationalFootballLeagueCommissionerRogerGoodelltheotherday.“Whydidn’tyouhavethecuriositytogotothecasino（赌场）yourself?”Theimplicationofthequestionisthatamorecuriouscommissionerwouldhavefoundawaytogetthetape.[B]Theaccusationofincuriosityisonethatwehearoften,carryingthesuggestionthatthereissomethingwrongwithnotwantingtosearchoutthetruth,”havebeenbotheredforalongtimeaboutthecuriouslackofcuriosity,”saidaDemocraticmemberoftheNewJerseylegislaturebackinJuly,referringtoaninsufficientlyinquiringattitudeonthepartofanassistanttoNewJerseyGovernorChrisChristiewhochosenottoaskhardquestionsabouttheGeorgeWashingtonBridgetrafficscandal.“Isn’tthemainstreammediatheleastbitcuriousaboutwhathappened?”wroteconservativewriterJenniferRubinearlierthisyear,referringtotheattackonAmericansinBenghazi,Libya.[C]Theimplication,ineachcase,isthatcuriosityisagoodthing，andalackofcuriosityisaproblem.Aresuchaccusationssimplyeffortstoscorepoliticalpointsforone’sparty?Oristheresomethingofparticularvalueaboutcuriosityinandofitself?[D]ThejournalistIanLeslie,inhisnewandenjoyablebookCurious:TheDesiretoKnowandWhyYourFutureDependsonIt,insiststhattheanswertothatlastquestionis‘Yes’.Lesliearguesthatcuriosityisamuch-overlookedhumanvirtue,crucialtooursuccess,andthatwearelosingit.[E]Wearesuffering,hewrites,froma“serendipitydeficit.”Theword“serendipity”wascoinedbyHoraceWalpoleinan1854letter,fromataleofthreeprinceswho“werealwaysmakingdiscoveries,byaccident,ofthingstheywerenotinsearchof.”LeslieworriesthattheriseoftheInternet,amongothersocialandtechnologicalchanges,hasreducedourappetiteforaimlessadventures.Nolongerhavewetheinclinationtoletourselveswanderthroughfieldsofknowledge,readytobesurprised.Instead,weseekonlytheinformationwewant.[F]Whyisthisaproblem?Becausewithoutcuriositywewilllosethespiritofinnovationandentrepreneurship.Wewillseeunimaginativegovernmentsanddyingcorporationsmakedisastrousdecisions.Wewillloseavitalpartofwhathasmadehumanityasawholesosuccessfulasaspecies.[G]Lesliepresentsconsiderableevidenceforthepropositionthatthesocietyasawholeisgrowinglesscurious.IntheU.S.andEurope,forexample,theriseoftheInternethasledtoadecliningconsumptionofnewsfromoutsidethereader’sborders.Butnoteverythingistobeblamedontechnology.ThedeclineininterestinliteraryfictionisalsooneofthecausesidentifiedbyLeslie.Readingliteraryfiction,hesays,makesusmorecurious.[H]Moreover,inordertobecurious,‘"youhavetobeawareofagapinyourknowledgeinthefirstplace.''AlthoughLeslieperhapspaintsabitbroadlyincontendingthatmostofusareunawareofhowmuchwedon’tknow,he’ssurelyrighttopointoutthattheproblemisgrowing:“Googlecangiveusthepowerfulillusionthatallquestionshavedefiniteanswers.”[I]Indeed,Google,forwhichLeslieexpressesadmiration,isalsohisfrequentwhippingboy(替罪羊)•HequotesGoogleco-founderLarryPagetotheeffectthatthe“perfectsearchengine”will“understandexactlywhatImeanandgivemebackexactlywhatIwant.”Elsewhereinthebook,Lesliewrites:“Googleaimstosaveyoufromthethirstofcuriosityaltogether.”[J]Somewhatnostalgically(怀旧地)，hequotesJohnMaynardKeynes'sjustlyfamouswordsofpraisetothebookstore:“Oneshouldenteritvaguely,almostinadream,andallowwhatistherefreelytoattractandinfluencetheeye.Towalktheroundsofthebookshops,dippinginascuriositydictates,shouldbeanafternoon’sentertainment.”Ifonly![K]Citingtheworkofpsychologistsandcognitive(认知的）scientists，Lesliecriticizesthereceivedwisdomthatacademicsuccessistheresultofacombinationofintellectualtalentandhardwork.Curiosity,heargues,isthethirdkeyfactor—andadifficultonetopreserve.Ifnotcultivated,itwillnotsurvive:“Childhoodcuriosityisacollaborationbetweenchildandadult.Thesurestwaytokillitistoleaveitalone.”[L]Schooleducation,hewarns,isoftenconductedinawaythatmakeschildrenincurious.Childrenofeducatedandupper-middle-classparentsturnouttobefarmorecurious,evenatearlyages,thanchildrenofworkingclassandlowerclassfamilies.Thatlackofcuriosityproducesarelativelackofknowledge,andthelackofknowledgeisdifficultifnotimpossibletocompensateforlateron.AlthoughLeslie’sbookisn'taboutpolitics,hedoesn'tentirelyshyawayfromtheproblem.Politicalleaders,likeleadersofotherorganizations,shouldbecurious.Theyshouldaskquestionsatcrucialmoments.Thereareseriousconsequences,hewarns,innotwantingtoknow.[N]HepresentsasanexamplethefailureoftheGeorgeW.Bushadministrationtoprepareproperlyfortheafter-effectsoftheinvasionofIraq.AccordingtoLeslie,thosewhoridiculedformerDefenseSecretaryDonaldRumsfeldforhis2002remarkthatwehavetobewaryofthe“unknownunknowns”weremistaken.Rumsfeld’sidea,Lesliewrites,“wasn’tabsurd一itwassmart.”Headds,“Thetragedyisthathedidn’tfollowhisownadvice.”[O]AllofwhichbringsusbacktoGoodellandtheChristiecaseandBenghazi.Eachcriticinthoseexamplesischarging,inadifferentway,thatsomeoneinauthorityisintentionallybeingincurious.Ileaveittothereader’spoliticalpreferencetodecidewhich,ifany,chargesshouldstick.Butlet’sbecarefulaboutdemandingcuriosityabouttheotherside’sweaknessesandremainingdeterminedlyincuriousaboutourown.Weshouldbedelightedtopursueknowledgeforitsownsake—evenwhenwhatwefindoutissomethingwedidn'tparticularlywanttoknow.注意：此部分试题请在答题卡2上作答。Tobecurious,weneedtorealizefirstofallthattherearemanythingswedon’tknow.AccordingtoLeslie,curiosityisessentialtoone’ssuccess.Weshouldfeelhappywhenwepursueknowledgeforknowledge'ssake.Politicalleaders'lackofcuriositywillresultinbadconsequences.Thereareoftenaccusationsaboutpoliticians’andthemedia’slackofcuriositytofindoutthetruth.Thelesscuriousachildis,thelessknowledgethechildmayturnouttohave.Itiswidelyacceptedthatacademicaccomplishmentliesinbothintelligenceanddiligence.Visitingabookshopascuriosityleadsuscanbeagoodwaytoentertainourselves.BoththeriseoftheInternetandreducedappetiteforliteraryfictioncontributetopeople’sdecliningcuriosity.Mankindwouldn'tbesoinnovativewithoutcuriosity.SectionCDirections:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).YoushoulddecideonthebestchoiceandmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.PassageOneQuestions46to50arebasedonthefollowingpassage.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.Whatmattersisunderstandingthatagingiscurable.”“Itwasalwaysknownthatthebodyaccumulatesdamage,”headded.“Theonlywaytocureagingistofindwaystorepairthatdamage.Ithinkofitaspreventivemedicineforage-relatedconditions.''LeonardHayflick,aprofessorattheUniversityofCalifornia,SanFrancisco,saidtheideathatagingcanbecuredimpliesthehumanlifespancanbeincreased,whichsomeresearcherssuggestispossible.Hayflickisnotamongthem.“There’remanypeoplewhorecoverfromcancer,stroke,orheartdisease.Buttheycontinuetoage,becauseagingisseparatefromtheirdisease,”Hayflicksaid.“Evenifthosecausesofdeathwereeliminated,lifeexpectancywouldstillnotgomuchbeyond92years.”注意：此部分试题请在答题卡2上作答。Whatdopeoplegenerallybelieveaboutaging?Itshouldcausenoalarmwhatsoever.Theyjustcannotdoanythingaboutit.Itshouldberegardedasakindofdisease.Theycandelayitwithadvancesinscience.Howdomanyscientistsviewagingnow?A)Itmightbepreventedandtreated.B)Itcanbeasriskyasheartdisease.C)Itresultsfromavitamindeficiency.D)Itisanirreversiblebiologicalprocess.WhatdoesAlexZhavoronkovthinkof“describingagingasadisease”?Itwillpromptpeopletotakeagingmoreseriously.Itwillgreatlyhelpreducethesideeffectsofaging.Itwillfreepharmacistsfromtheconventionalbeliefsaboutaging.Itwillmotivatedoctorsandpharmaciststofindwaystotreataging.Whatdowelearnaboutthemedicalcommunity?Theynowhaveastronginterestinresearchonaging.Theydifferfromtheacademiccirclesintheirviewonaging.Theycancontributetopeople’shealthonlytoalimitedextent.Theyhavewaystointerveneinpeople'sagingprocess.WhatdoesProfessorLeonardHayflickbelieve?Thehumanlifespancannotbeprolonged.Agingishardlyseparablefromdisease.Fewpeoplecanliveuptotheageof92.Heartdiseaseisthemajorcauseofaging.PassageTwoQuestions51to55arebasedonthefollowingpassage.Femaleapplicantstopostdoctoralpositionsingeoscienceswerenearlyhalfaslikelytoreceiveexcellentlettersofrecommendation，comparedwiththeirmalecounterparts.ChristopherIntagliatareports.Asinmanyotherfields,genderbiasiswidespreadinthesciences.Menscorehigherstartingsalaries,havemorementoring(指导），andhavebetteroddsofbeinghired.Studiesshowthey’realsoperceivedasmorecompetentthanwomeninSTEM(Science,Technology,Engineering,andMathematics)fields.Andnewresearchrevealsthatmenaremorelikelytoreceiveexcellentlettersofrecommendation,too.“Say，youknow,thisisthebeststudentI’veeverhad,”saysKuheliDutt,asocialscientistanddiversityofficeratColumbiaUniversity’sLamontcampus.“Comparethoseexcellentletterswithamerelygoodletter:'Thecandidatewasproductive,orintelligent,orasolidscientistorsomethingthat’sclearlysolidpraise，’butnothingthatsinglesoutthecandidateasexceptionaloroneofakind.”Duttandhercolleaguesstudiedmorethan1,200lettersofrecommendationforpostdoctoralpositionsingeoscience.Theywerealleditedforgenderandotheridentifyinginformation,soDuttandherteamcouldassignthemascorewithoutknowingthegenderofthestudent.Theyfoundthatfemaleapplicantswereonlyhalfaslikelytogetoutstandingletters,comparedwiththeirmalecounterparts.Thatincludeslettersofrecommendationfromallovertheworld,andwrittenby,yes,menandwomen.ThefindingsareinthejournalNatureGeoscience.Duttsaystheywerenotabletoevaluatetheactualscientificqualificationsoftheapplicantsusingthedatainthefiles.Butshesaystheresultsstillsuggestwomeningeoscienceareatapotentialdisadvantagefromtheverybeginningoftheircareersstartingwiththoselessthanoutstandinglettersofrecommendation.“We’renottryingtoassignblameorcriticizeanyoneorcallanyoneconsciouslysexist.Rather,thepointistousetheresultsofthisstudytoopenupmeaningfuldialoguesonimplicitgenderbias,beitatadepartmentalleveloraninstitutionallevelorevenadisciplinelevel.”Whichmayleadtosomerecommendationsfortheletterwritersthemselves.注意：此部分试题请在答题卡2上作答。Whatdowelearnaboutapplicantstopostdoctoralpositionsingeosciences?Therearemanymoremenapplyingthanwomen.Chancesforwomentogetthepositionsarescarce.Moremalesthanfemalesarelikelytogetoutstandinglettersofrecommendation.Maleapplicantshavemoreinterestinthesepositionsthantheirfemalecounterparts.Whatdostudiesaboutmenandwomeninscientificresearchshow?Womenengagedinpostdoctoralworkarequicklycatchingup.Fewerwomenareapplyingforpostdoctoralpositionsduetogenderbias.MenarebelievedtobebetterabletoexcelinSTEMdisciplines.WomenwhoarekeenlyinterestedinSTEMfieldsareoftenexceptional.Whatdothestudiesfindabouttherecommendationlettersforwomenapplicants?Theyarehardlyeversupportedbyconcreteexamples.Theycontainnothingthatdistinguishestheapplicants.Theyprovideobjectiveinformationwithoutexaggeration.Theyareoftenfilledwithpraiseforexceptionalapplicants.WhatdidDuttandhercolleaguesdowiththemorethan1,200lettersofrecommendation?Theyaskedunbiasedscholarstoevaluatethem.Theyinvitedwomenprofessionalstoeditthem.Theyassignedthemrandomlytoreviewers.Theydeletedallinformationaboutgender.55.WhatdoesDuttaimtodowithherstudy?Raiserecommendationwriters’awarenessofgenderbiasintheirletters.Openupfreshavenuesforwomenpost-doctorstojoininresearchwork.AlertwomenresearcherstoalltypesofgenderbiasintheSTEMdisciplines.Startapublicdiscussiononhowtoraisewomen'sstatusinacademiccircles.PartIVTranslation(30minutes)Directions:Forthispart,youareallowed30minutestotranslateapassagefromChineseintoEnglish.YoushouldwriteyouransweronAnswerSheet2.黄山位于安徽省南部。它风景独特，尤以其日出和云海著称。要欣赏大山的宏伟壮丽，通常得向上看。但要欣赏黄山美景，就得向下看。黄山的湿润气候有利于茶树生长，是中国主要产茶地之一。这里还有许多温泉，其泉水有助于防治皮肤病。黄山是中国主要旅游目的地之一，也是摄影和传统国画最受欢迎的主题。注意：此部分试题请在答题卡2上作答。快速对答案12345678910111213141516171819202122232425DBBCBDADACBCABCACBCDBACAD26272829303132333435363738394041424344454647484950GLFOCEMNJBHDOMBLKJGFBADCA5152535455CCBDD2017年12月大学英语四级真题试题二(完整版)PartIWriting(25minutes)(请于正式开考后半小时内完成该部分，之后将进行听力考试)Directions:Forthispart,youareallowed30minutestowriteanashorteasyonhowtobesthandletherelationshipparentsandchildren.Youshouldwriteatleast120wordsbutnomorethan180words.PartIIListeningComprehension(30minutes)说明：2017年12月大学英语四级考试全国共考了两套听力.本套的听力内容与第二套相同，因此本套听力部分不再重复给出。PartⅢ ReadingComprehension(40minutes)SectionADirections:Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices,Eachchoiceinthebankisidentifiedbyaletter.PleasemarkthecorrespondingletterforeachitemonAnswerSheet2withasinglelinethroughthecentre.Youmaynotuseanyofthewordsinthebankmorethanonce.Questions26to35arebasedonthefollowingpassage.Aratorpigeonmightnotbetheobviouschoicetotendtosomeonewhoissick,butthesecreatureshavesome(26)_______skillsthatcouldhelpthetreatmentofhumandiseases.Pigeonsareoftenseenasdirtybirdsandanurban(27)_______,buttheyarejustthelatestinalonglineofanimalsthathavebeenfoundtohaveabilitiestohelphumans.Despitehavingabrainnobiggerthanthe(28)_______ofyourindexfinger,pigeonshaveaveryimpressive(29)_______memory.Recentlyitwasshownthattheycouldbetrainedtobeasaccurateashumansatdetectingbreastcancerinimages.Ratsareoften(30)_______withspreadingdiseaseratherthan(31)_______it,butthislong-tailedanimalishighly(32)_______.Insidearat'snoseareupto1.000differenttypesofolfactoryreceptors(嗅觉感受器），whereashumansonlyhave100to200types.Thisgivesratstheabilitytodetect(33)_______smells.Asaresult,someratsarebeingputtoworktodetectTB(肺结核).Whentheratsdetectthesmell,theystopandrubtheirlegsto(34)_______asampleisinfected.Traditionally,ahundredsampleswouldtakelabtechniciansmorethantwodaysto(35)_______,butforaratittakeslessthan20minutes.Thisratdetectionmethoddoesn’trelyonspecialistequipment.Itisalsomoreaccurate—theratsareabletofindmoreTBinfectionsand,therefore,savemorelives.注意：此部分试题请在答题卡2上作答。A) associatedB) examineC) indicateD) nuisanceE) peakF) preventingG) prohibitingH) sensitiveI) slightJ) specifyK) superiorL) suspiciousM) tipN) treatedO) visualSectionBDirections:Inthissection,youaregoingtoreadapassagewithtenstatementsattachedtoit.Eachstatementcontainsinformationgiveninoneoftheparagraphs.Identifytheparagraphfromwhichtheinformationisderived.Youmaychooseaparagraphmorethanonce.Eachparagraphismarkedwithaletter.AnswerthequestionsbymarkingthecorrespondingletteronAnswerSheet2.DoIn-ClassExamsMakeStudentsStudyHarder?[A]Ihavealwaysbeenapoortest-taker.SoitmayseemratherstrangethatIhavereturnedtocollegetofinishthedegreeIleftundonesomefourdecadesago.IammakingmywaythroughColumbia