2019年6月大学英语四级(CET-4)真题试卷及参考答案第三套

20196PartIWriting(30minutes)Directions:Forthispart,youareallowed30minutestowriteanewsreporttoyourcampusnewspaperonavisittoaHopeelementaryschoolorganizedbyyourStudentUnion..Youshouldwriteatleast120wordsbutnomorethan180words.PartListeningComprehension(25minutes)2019622PartIIIReadingComprehension(40minutes)SectionADirections:Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoiceinthebankisidentifiedbyaletter.PleasemarkthecorrespondingletterforeachitemonAnswerSheet2withasinglelinethroughthecentre.Youmaynotuseanyofthewordsinthebankmorethanonce.Justbecausetheycantsingoperaorrideabicycledoesntmeanthatanimalsdonthaveculture.Theresnobetterexampleofthisthankillerwhales.Asoneofthemost__26__predators()killerwhalesmaynotfitthe__27__ofaculturedcreature.However,thesebeastsoftheseadodisplayavastrangeofhighly__28__behaviorsthatappeartobedrivingtheirgeneticdevelopment.ThewordculturecomesfromtheLatincolere,which__29__meanstocultivate.Inotherwords,itreferstoanythingthatis__30__orlearnt,ratherthaninstinctiveornatural.Amonghumanpopulations,culturenotonlyaffectsthewaywelive,butalsowritesitselfintoourgenes,affectingwhoweare.Forinstance,havingspentmanygenerationshuntingthefatmarinemammalsoftheArctic,theEskimosofGreenlandhavedevelopedcertaingenetic__31__thathelpthemdigestandutilizethisfat-richdiet,therebyallowingthemto__32__intheircoldclimate.Likehumans,killerwhaleshavecolonizedarangeofdifferent__33__acrosstheglobe,occupyingeveryoceanbasinontheplanet,withanempirethat__34__frompoletopole.Assuch,differentpopulationsofkillerwhaleshavehadtolearndifferenthuntingtechniquesinordertogaintheupperhandovertheirlocalprey().This,inturn,hasamajoreffectontheirdiet,leadingscientiststo__35__thattheabilitytolearnpopulation-specifichuntingmethodscouldbedrivingtheanimalsgeneticdevelopment.A)AcquiredB)adaptationsC)brutalD)deliberatelyE)expressedF)extendsG)habitatsH)humbleI)imageJ)litereallyK)refinedL)revolvesM)speculateN)structureO)thriveSectionBDirections:Inthissection,youaregoingtoreadapassagewithtenstatementsattachedtoeachstatementcontainsinformationgiveninoneoftheparagraphs.Identifytheparagraphfromwhichtheinformationisderived.Youmaychooseaparagraphmorethanonce.Eachparagraphismarkedwithaletter.AnswerthequestionsbymarkingthecorrespondingletteronAnswerSheet2.Livingwithparentsedgesoutotherlivingarrangementsfor18-to34-year-oldsA)Broaddemographic()shiftsismaritalstatus,educationalattainmentandemploymenthavetransformedthewayyoungadultsintheU.S.areliving,andanewPewResearchCenteranalysishighlightstheimplicationsofthesechangesforthemostbasicelementoftheirliveswheretheycallhome.In2014,forthefirsttimeinmorethan130years,adultsages18to34wereslightlymorelikelytobelivingintheirparentshomethantheyweretobelivingwithaspouseorpartnerintheirownhousehold.B)ThisturnofeventsisfueledprimarilybythedramaticdropintheshareofyoungAmericanswhoarechoosingtosettledownromanticallybeforeage35.Datingbackto1880,themostcommonlivingarrangementamongyoungadultshasbeenlivingwitharomanticpartner,whetheraspouseorasignificantother.Thistypeofarrangementpeakedaround1960,when62%ofthenations18-to34-year-oldswerelivingwithaspouseorpartnerintheirownhousehold,andonlyone-in-fivewerelivingwiththeirparents.C)By2014,31.6%ofyoungadultswerelivingwithaspouseorpartnerintheirownhousehold,belowthesharelivinginthehomeoftheirparent(s)(32.1%).Some14%ofyoungadultslivedalone,wereasingleparentorlivedwithoneormoreroommates.Theremaining22%livedinthehomeofanotherfamilymember(suchasagrandparent,in-laworsibling()),anon-relative,oringroupquarterslikecollegedormitories.D)Itsworthnotingthattheoverallshareofyoungadultslivingwiththeirparentswasnotatarecordhighin2014.Thisarrangementpeakedaround1940,whenabout35%ofthenations18-to34-year-oldslivedwithmomand/ordad(comparedwith32%in2014).Whathaschanged,instead,istherelativeshareadoptingdifferentwaysoflivinginearlyadulthood,withthedeclineofromanticcouplingpushinglivingathometothetopofamuchlessuniformlistoflivingarrangements.E)Amongyoungadults,livingarrangementsdiffersignificantlybygender.Formenages18to34,livingathomewithmomand/ordadhasbeenthedominantlivingarrangementsince2009,In2014,28%ofyoungmenwerelivingwithaspouseofpartnerintheirownhome,while35%werelivinginthehomeoftheirparent(s).Youngwomen,however,arestillmorelikelytobelivingwithaspouseofromanticpartner(35%)thantheyaretobelivingwiththeirparent(s)(29%).F)In2014,moreyoungwomen(16%)thanyoungmen(13%)wereheadingupahouseholdwithoutaspouseorparther.Thisismainlybecausewomenaremorelikelythanmentobesigleparentslivingwiththeirchildren.Fortheirpart,youngmen(25%)aremorelikelythanyoungwomen(19%)tobelivinginthehomeofanotherfamilymember,anon-relativeorinsometypeofgroupquarters.G)Avarietyoffactorscontributetothelong-runincreaseintheshareofyoung.Adultslivingwiththeparents.Thefirstinthepostponementof,ifnotretreatfrom,marriage.Theaverageageoffirstmarriagehasrisensteadilyfordecades.Inaddition,agrowingsha