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大学英语六级考试2018年12月真题（第二套）PartIWriting(30minutes)Directions:Forthispart,youareallowed30minutestowriteanessayonhowtobalanceworkandleisure.Youshouldwriteatleast150wordsbutnomorethan200words._____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________PartIIListeningComprehension(30minutes)SectionADirections:Inthissection,youwillheartwolongconversations.Attheendofeachconversation,youwillhearfourquestions.Boththeconversationandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.Questions1to4arebasedontheconversationyouhavejustheard.1.A)Itcanbenefitprofessionalsandnon-professionalsalike.B)Itliststhevariouschallengesphysicistsareconfronting.C)Itdescribeshowsomemysteriesofphysicsweresolved.D)Itisoneofthemostfascinatingphysicsbookseverwritten.2.A)Physicists’contributiontohumanity.C)Historicalevolutionofmodernphysics.B)Storiesaboutsomefemalephysicists.D)Women’schangingattitudestophysics.3.A)Byexposingalotofmythsinphysics.C)Byincludinglotsoffascinatingknowledge.B)Bydescribingherownlifeexperiences.D)Bytellinganecdotesaboutfamousprofessors.4.A)Itavoidsdetailingabstractconceptsofphysics.C)Itdemonstrateshowtheycanbecomephysicists.B)Itcontainsalotofthought-provokingquestions.D)Itprovidesexperimentstheycandothemselves.Questions5to8arebasedontheconversationyouhavejustheard.5.A)Heistoobusytofinishhisassignmentintime.C)Hedoesnotunderstandtheprofessor’sinstructions.B)Hedoesnotknowwhatkindoftopictowriteon.D)Hehasnoideahowtoproceedwithhisdissertation.6.A)Itistoobroad.C)Itischallenging.B)Itisoutdated.D)Itisinteresting.7.A)Biography.C)Photography.B)Nature.D)Beauty.8.A)Improvehiscumulativegrade.C)Sticktothetopicassigned.B)Develophisreadingability.D)Listtheparametersfirst.SectionBDirections:Inthissection,youwillheartwopassages.Attheendofeachpassage,youwillhearthreeorfourquestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.Questions9to11arebasedonthepassageyouhavejustheard.9.A)TheunprecedentedhightemperatureinGreenland.B)ThecollapseoficeonthenortherntipofGreenland.C)TheunusualcoldspellintheArcticareainOctober.D)TherapidchangeofArctictemperaturewithinaday.10.A)Ithascreatedatotallynewclimatepattern.C)Ittypicallyappearsaboutonceeverytenyears.B)Itwillposeaseriousthreattomanyspecies.D)Ithaspuzzledtheclimatescientistsfordecades.11.A)ExtinctionofArcticwildlife.C)Emigrationofindigenouspeople.B)IcelesssummersintheArctic.D)Betterunderstandingofecosystems.Questions12to15arebasedonthepassageyouhavejustheard.12.A)Agoodstart.C)Astrongdetermination.B)Adetailedplan.D)Ascientificapproach.13.A)Mostpeoplegetenergizedafterasufficientrest.B)Mostpeopletendtohavefinitesourceofenergy.C)Itisvitaltotakebreaksbetweendemandingmentaltasks.D)Itismostimportanttohaveconfidenceinone’swillpower.14.A)Theycouldkeeponworkinglonger.C)Theyfounditeasiertofocusonworkathand.B)Theycoulddomorechallengingtasks.D)Theyheldmorepositiveattitudestowardlife.15.A)Theyarepartoftheirnature.C)Theyarerelatedtoculture.B)Theyaresubjecttochange.D)Theyarebeyondcontrol.SectionCDirections:Inthissection,youwillhearthreerecordingsoflecturesortalksfollowedbythreeorfourquestions.Therecordingswillbeplayedonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.Questions16to18arebasedontherecordingyouhavejustheard.16.A)Abouthalfofcurrentjobsmightbeautomated.B)Thejobsofdoctorsandlawyerswouldbethreatened.C)Thejobmarketisbecomingsomewhatunpredictable.D)Machinelearningwouldprovedisruptiveby2013.17.A)Theyarewidelyapplicableformassiveopenonlinecourses.B)Theyarenowbeingusedbynumeroushighschoolteachers.C)Theycouldreadasmanyas10,000essaysinasingleminute.D)Theycouldgradehigh-schoolessaysjustlikehumanteacher.18.A)Itneedsinstructionsthroughouttheprocess.C)Ithastorelyonhugeamountsofpreviousdata.B)Itdoespoorlyonfrequenct,high-volumetasks.D)Itisslowwhenitcomestotrackingnovelthings.Questions19to21arebasedontherecordingyouhavejustheard.19.A)Theengineeringproblemswithsolarpower.C)Theimportanceofexploringnewenergysources.B)Thegenerationofsteamwiththelatesttechnology.D)Thetheoreticalaspectsofsustainableenergy.20.A)Drivetrainswithsolarenergy