大学英语四级线上试题

大学英语四级线上试题

PartIWriting(30minutes)Directions:Forthispart,youareallowed30minutestowriteanessayonthetopicTheImportanceofDevelopingCriticalThinkingSkills.Youshouldwriteatleast120wordsbutnomorethan180words.PartIIReadingComprehension(40minutes)SectionADirections:Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoiceinthebankisidentifiedbyaletter.Youmaynotuseanyofthewordsinthebankmorethanonce.Intoday'srapidlyevolvingworld,lifelonglearninghasbecomeanecessity,notaluxury.Theknowledgeandskillsweacquireinourformaleducationcanquicklybecome(1)______.Tostayrelevantinthejobmarketandadapttosocietalchanges,individualsmust(2)______incontinuouslearning.Thispursuitgoesbeyondsimplyacquiringnewprofessional(3)______;italsoenrichespersonallife,fosteringcreativityandabroaderworldview.Thedigitalagehas(4)______unprecedentedaccesstolearningresources.Onlinecourses,educationalapps,andvirtuallibrariesallowanyonewithaninternetconnectiontolearnalmostanything,anywhere.This(5)______hasbrokendowntraditionalbarrierslikegeographyandcost.However,thisabundanceofinformationalsopresentsachallenge:theneedforstrongdigital(6)______tosiftthroughvastamountsofdataandidentifycrediblesources.Moreover,lifelonglearning(7)______ashiftinmindset.Itrequiresself-motivation,curiosity,andtheresiliencetoovercomethe(8)______thatinevitablyaccompanymasteringnewsubjects.Communitiesandstudygroupscanprovidecrucialsupport,transforminglearningfromasolitary(9)______intoacollaborativeandsociallyengagingone.Ultimately,embracinglifelonglearningisaboutcultivatingagrowthmindset—thebeliefthatabilitiescanbedevelopedthroughdedicationandhardwork.Thismindsetisfundamentaltonavigatingthe(10)______ofthe21stcentury.A)obsoleteB)engageC)competenciesD)facilitatedE)inertiaF)endeavorG)literacyH)complexitiesI)entailsJ)initiativeK)reluctanceL)accessM)paradoxN)obstaclesO)sustainedSectionBDirections:Inthissection,youaregoingtoreadapassagefollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).Youshoulddecideonthebestchoice.PassageOneQuestions11to15arebasedonthefollowingpassage.Theconceptof"smartcities"israpidlymovingfromfuturisticblueprinttopresent-dayreality.Atitscore,asmartcityusesdigitaltechnologyanddataanalysistoenhanceperformance,improveurbanservices,andreducecostsandresourceconsumption.Sensors,InternetofThings(IoT)devices,andcentralizeddataplatformscollectreal-timeinformationoneverythingfromtrafficflowandenergyusetowastemanagementandpublicsafety.Proponentsarguethatthisdata-drivenapproachleadstomoreefficientcitymanagement.Forinstance,adaptivetrafficsignalscaneasecongestion,smartgridscanoptimizeelectricitydistribution,andpredictiveanalyticscanhelppolicedepartmentsallocateresourcesmoreeffectively.Thegoalistocreateamorelivable,sustainable,andresponsiveurbanenvironmentforcitizens.However,thesmartcitymodelisnotwithoutitscritics.Amajorconcernisprivacyanddatasecurity.Thevastnetworkofsensorsrequiredforasmartcityconstitutesapervasivesurveillancesystem,collectingdetaileddataoncitizens'movementsandbehaviors.Questionsariseaboutwhoownsthisdata,howitisused,andhowitisprotectedfrombreaches.Furthermore,thereisariskofdeepeningthe"digitaldivide."Ifsmartcityservicesareprimarilyaccessedthroughsmartphonesandhigh-speedinternet,thosewithoutaccesstosuchtechnology—oftentheelderly,thepoor,ormarginalizedcommunities—maybeleftfurtherbehind,creatingatwo-tieredsocietywithinthecity.Anothercriticismpointstothetop-downnatureofmanysmartcityprojects,whichareoftenledbytechnologycompaniesandmunicipalgovernmentswithlimitedinputfromresidents.Thiscanresultinsolutionsthataretechnologicallyimpressivebutfailtoaddressthemostpressingneedsofthecommunity.Truesmartcities,criticssuggest,shouldprioritize"smartcitizens"—empoweringresidentswithdataandinvolvingthemindecision-makingprocesses—ratherthanjustdeploying"smart"infrastructure.11.Whatistheprimarypurposeofasmartcityaccordingtothepassage?A)Toreplacehumanworkerswithautomatedsystems.B)Tousetechnologyanddatatoimproveurbanlife.C)Toattractmoretechnologycompaniestoinvest.D)Tocollectasmuchcitizendataaspossible.12.Howcanadaptivetrafficsignalscontributetoasmartcity?A)Byincreasingthenumberofroads.B)Byreducingtrafficcongestion.C)Bychargingdriversmorefees.D)Byreplacinghumantrafficpolice.13.Whatisoneofthemainconcernsraisedbycriticsofsmartcities?A)Thehighcostofsensortechnology.B)Thelackofskilledtechnicians.C)Thethreattoprivacyanddatasecurity.D)Theslowspeedofinternetconnectivity.14.Theterm"digitaldivide"inParagraph3refersto______.A)thecompetitionbetweendifferentdigitalcompaniesB)thegapbetweenthosewithandwithoutaccesstodigitaltechnologyC)thedifferenceindigitalskillsbetweenyoungandoldD)thedivisionofdigitalresourcesamongcitydistricts15.Whatdoesthepassagesuggestaboutthedevelopmentofatrulysuccessfulsmartcity?A)Itshouldfocussolelyonbuildingadvancedinfrastructure.B)Itrequiresexclusiveleadershipfromtechnologycorporations.C)Itshouldinvolveandempoweritscitizens.D)Itmustfirstsolveallsocialinequalityissues.SectionCDirections:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).Youshoulddecideonthebestchoice.PassageTwoQuestions16to20arebasedonthefollowingpassage.Forcenturies,humanshavebeenfascinatedbyanimalmigration—thelarge-scalemovementofspeciesbetweenhabitats.FrommonarchbutterfliestravelingthousandsofkilometerstoArcticternsmakingpole-to-polejourneys,thesephenomenaaremarvelsofnavigationandendurance.Scientistshavelongsoughttounderstandthemechanismsbehindtheseincrediblejourneys.Researchindicatesthatanimalsuseacomplexcombinationofcuesfornavigation.Theseincludethesun'sposition,thestars,theEarth'smagneticfield,landmarks,andevensmells.Forexample,seaturtlesarebelievedtoimprintontheuniquemagneticsignatureoftheirnatalbeach,guidingthembackyearslatertolaytheirowneggs.Recentstudieshavealsohighlightedtheroleofinheritedgenetic"programs"thatprovideaninnatesenseofdirectionandtiming.However,animalmigrationisunderseverethreat.Climatechangeisalteringtemperaturepatternsandecosystems,disruptingthetimingofmigrationsandtheavailabilityoffoodsourcesalongtraditionalroutes.Habitatlossduetourbanization,agriculture,anddeforestationisdestroyingcriticalstopoversitesandbreedinggrounds.Furthermore,human-madeobstacleslikefences,roads,dams,andskyscrapersposedirectphysicaldangersandcreatebarriersthatfragmentmigratorypaths.Lightpollutionisanemergingconcern.Artificiallightscandisorientnocturnalmigrantslikebirdsandinsects,causingthemtowasteenergy,collidewithbuildings,orwanderoffcourse.Thecumulativeimpactofthesethreatsisadeclineinmanymigratorypopulations,whichcanhavecascadingeffectsonecosystems,astheseanimalsoftenplaykeyrolesaspollinators,predators,orprey.Conservationeffortsareincreasinglyfocusingoncreatinginternationalcorridorsandprotectedareas.Sincemigrationsoftencrossnationalborders,globalcooperationisessential.Scientistsalsoadvocatefor"greeninfrastructure,"suchaswildlifeoverpassesonhighways,andpoliciestoreducelightpollutionincriticalareas.Understandingandprotectingtheseancientmigratoryroutesisnotjustaboutsavingiconicspecies;it'saboutpreservingtheecologicalconnectivitythatsustainsplanetaryhealth.16.Whatisthemaintopicofthepassage?A)Thehistoryofhumanobservationofanimalmigration.B)Themechanismsandthreatstoanimalmigration.C)Acomparisonofmigrationbetweendifferentanimalspecies.D)Theeconomicimpactofdecliningmigratorypopulations.17.Accordingtothepassage,howdoseaturtlesfindtheirwaybacktotheirbirthplace?A)Byfollowingthescentoftheocean.B)Byusingthepositionofthestars.C)Byrecognizingthemagneticfieldofthebeach.D)Byrememberingvisuallandmarks.18.WhichofthefollowingisNOTmentionedasathreattoanimalmigration?A)Climatechange.B)Habitatloss.C)Huntingandpoaching.D)Human-madestructures.19.Whatistheconsequenceoflightpollutionfornocturnalmigratinganimals?A)Itimprovestheirabilitytoseelandmarks.B)Itcancausethemtobecomedisoriented.C)Ithelpsthemmigratefaster.D)Itattractsmorepreyforthem.20.Whatdoestheauthorimplyabouttheconservationofanimalmigration?A)Itisprimarilytheresponsibilityofindividualcountries.B)Itrequiresworldwidecollaborativeefforts.C)Itislessimportantthanprotectingresidentspecies.D)Itcanbeachievedsolelythroughscientificresearch.PartIIITranslation(30minutes)Directions:Forthispart,youarerequiredtotranslateaparagraphfromChineseintoEnglish.YoushouldwriteyouranswerontheAnswerSheet.中国书法（calligraphy）是一门古老的艺术，至今已有数千年的历史。它不仅是书写汉字的方法，更被视为一种心灵修养和情感表达的形式。书法家通过控制毛笔的力度、速度和方向，创造出具有美感和个性的字体。练习书法需要极大的耐心和专注，有助于培养自律与平静的心态。如今，书法不仅在中国备受推崇，也吸引了世界各地越来越多的人学习和欣赏。PartIVPartIWriting(范文参考)TheImportanceofDevelopingCriticalThinkingSkillsInanerafloodedwithinformation,theabilitytothinkcriticallyhasneverbeenmorecrucial.Criticalthinking,theobjectiveanalysisandevaluationofanissuetoformajudgment,isafundamentalskillthattranscendsacademicdisciplinesandprofessionalfields.Firstly,criticalthinkingempowersindividualstonavigatethecomplexinformationlandscape.Itenablesustodistinguishcrediblesourcesfrommisinformation,makereasoneddecisions,andsolveproblemseffectively.Intheworkplace,employeeswithstrongcriticalthinkingskillsarevaluedfortheirabilitytoanalyzedata,anticipatechallenges,andproposeinnovativesolutions.Moreover,onapersonallevel,itfostersintellectualindependence,allowingustoquestionassumptions,understanddifferentperspectives,andformourownwell-informedopinions.Therefore,cultivatingcriticalthinkingshouldbeapriorityineducationandself-development.Itisnotmerelyanacademicexercisebutavitaltoolforsuccessandresponsiblecitizenshipinthe21stcentury.PartIIReadingComprehensionSectionA1.A)obsolete2.B)engage3.C)competencies4.D)facilitated5.L)access6