2020-2021年英语四级考试真题及答案(第2套)

精品欢迎下载可修改精品欢迎下载可修改精品欢迎下载可修改精品欢迎下载可修改大学英语四级考试真题(第2套)Writing(30minutes)Directions：forthispart,youareallowed30minutestowriteanessaybasedonthepicturebelow.Youshouldstartyouressaywithabriefdescriptionofthepictureandthencommentonthiskindofmodernlife.Youshouldwriteatleast120wordsbutnomorethanl80wordsTHISMODERNLIFEHOME PLAY SLEEPHOME PLAY SLEEPListeningComprehension(30minutes)SectionADirections：Inthissection,youwillhear8shortconversationsand2longconversations.Attheendofeachconversation，oneormorequestionswillbeaskedaboutwhatWassaid.Boththeconversationandthequestionswillbespokenonlyonce.Aftereachquestiontherewillbeapause.Duringthepause,youmustreadthefourchoicesmarkedA.,B),C)andD).anddecidewhichisthebestanswer.ThenmarkthecorrespondingletteronAnswerSheetlwithasinglelinethroughthecentre.A.Heispleasedtositonthecommittee.B.HeiSwillingtoofferthewomanahand.C.Hewilltellthewomanhisdecisionlater.D.Hewouldliketobecomeaclubmember.A.TheirplannedtriptoVancouverisobviouslyoverpriced.B.Theyshouldborrowaguidebookinsteadofbuyingone.C.Theguidebooksinthelibraryhavethelatestinformation.D.ThelibraryCanhelporderguidebooksaboutVancouver.A.Heregretshavingtakenthehistorycourse.B.Hefindslittleinterestinthehistorybooks.C.Hehastroublefinishinghisreadingassignments.D.Hehasdifficultywritingtheweeklybookreport.4.A.Themanhadbetterchooseanotherrestaurant.B.Thenewrestaurantisaperfectplacefordating.C.Thenewrestaurantcaughtherfancyimmediately.D.Themanhasgoodtasteinchoosingtherestaurant.5.A.Hehasbeenlookingforwardtospring.B.Hehasbeenwaitingforthewintersale.C.Hewillcleanthewoman，sbootsforspring．D.Hewillhelpthewomanputthingsaway．6．A.Atatailor’s．B.AtBob’shome．C.Inaclothesstore．D.Inatheatre．7．A.HisguestsfavorTibetandrinks．B.Hiswaterisquiteextraordinary．C.Mineralwaterisgoodforhealth．D.Plainwaterwillservethepurpose．8．A.Reporttheresultofadiscussion．B.Raisesomeenvironmentalissues．C.Submitanimportantdocument．D.Reviseanenvironmentalreport．Questions9t012arebasedontheconversationyouhavejustheard．9．A.Theypollutethesoilusedtocoverthem．B.Theyareharmfultonearbyneighborhoods．C.Therubbishinthemtakeslongtodissolve．D.Thegastheyemitisextremelypoisonous．10．A.Growingpopulation．B.Packagingmaterials．C.Changedeatinghabits．D.Lowerproductioncost．11．A.Bysavingenergy．B.Byusinglessaluminum．C.Byreducingpoisonouswastes．D.Bymakingthemostofmaterials．12．A.Wearerunningoutofnaturalresourcessoon．B.Onlycombinedeffortscanmakeadifference．C.Thewasteproblemwilleventuallyhurtallofus．D.Allofuscanactuallybenefitfromrecyclin9．Questionsl3to15arebasedontheconversationyouhavejustheard．13．A.Miami．B.Vancouver．C.Bellingham．D.Boston．14．A.Togetinformationonone—wayticketstoCanada．B.Toinquireaboutthepriceof“SuperSaver”seats．C.Togetadviceonhowtoflyascheaplyaspossible．D.Toinquireabouttheshortestroutetodrivehome．15．A.Joinatouristgroup．B.Chooseamajorairline．C.Avoidtripsinpublicholidays．D.Bookticketsasearlyaspossible．SectionBDirections：／nthissection，youwillhear3shortpassages．Attheendofeachpassage，youwillhearsomequestions．Boththepassageandthequestionswillbespokenonlyonce．Afteryouhearaquestion，youmustchoosethebestanswerfromthefourchoicesmarkedA.，B），C.andD）．ThenmarkthecorrespondingletteronAnswerSheetlwithasinglelinethroughthecentre．PassageOneQuestionsl6t018arebasedonthepassageyouhavejustheard．16．A.Therearemysteriousstoriesbehindhisworks．B.Therearemanymisunderstandingsabouthim．C.Hisworkshavenomatchworldwide．D.Hispersonalhistoryislittleknown．17．A.HemovedtoStratford—on—Avoninhischildhood．B.Hefailedtogobeyondgrammarsch001．C.Hewasamemberofthetowncouncil．D.Heonceworkedinawell—knownactingcompany．18．A.Writersofhistimehadnomeanstoprotecttheirworks．B.Possiblesourcesofcluesabouthimwerelostinafire．C.Hisworkswereadaptedbeyondrecognition．D.Peopleofhistimehadlittleinterestinhim．PassageTwoQuestionsl9to21arebasedonthepassageyouhavejustheard19．A.ItshowsyouhavebeenignoringyourhealthB.ItcanseriouslyaffectyourthinkingprocessC.Itisanearlywarningofsomeillness．D.Itisasymptomoftoomuchpressure．20．A.Reduceourworkload．B.Controlourtemper．C.UsepainkillersforreliefD.Avoidmaskingsyruptoms_21．A.Lyingdownandhavingsomesleep．B.Rubbingandpressingone’sback．C.GoingoutforawalkD.ListeningtolightmusicPassageThreeQuestions22t025arebasedonthepassageyouhavejustheard22．A.Dependingheavilyonloans．B.Havingnobudgetplansatall．C.Spendingbeyondone'smeansD.Leavingnoroomforlargebills23．A.Manyofthemcanbecut．B.Allofthemhavetobecovered．C.TheirpaymentcannotbedelayedD.Theyeatupmostofthefamilyincome24．A.Rentahouseinsteadofbuyingone．B.Discusstheprobleminthefamily．C.MakeaconservationplanD.MovetoacheaperPlace25．A.Financialissuesplaguingafamily．B.Difficultyinmakingbothendsmeet．C.FamilybudgetproblemsandsolutionsD.NewwaystoboostfamilyincomeSectionCDirections：Inthissection，youwillhearapassagethreetimes．Whenthepassageisreadforthefirsttime,youshouldlistencarefullyforitsgeneralidea．WhenthepassageItsreadforthesecondtime,youarerequiredtofillintheblankswiththeexactwordsyouhavejustheard．Finally，whenthepassageisreadforthethirdtime，youshouldcheckwhatyouhavewritten．PerhapsbecausegoingtocollegeissomuchapartoftheAmericandream，manypeoplegoforno26reason.Somegobecausetheirparentsexpectit,othersbecauseit'swhattheirfriendsaredoing.Then,there,sthebeliefthatacollegedegreewill27ensureagoodjobandhighpay.Somestudents28throughfouryears,attendingclasses,orskipping（逃课）themasthecasemaybe,readingonlywhatcan'tbeavoided,lookingforless29courses,andneverbeingtoucnedorchangedinanyimportantway.Forafewofthesepeople,collegeprovidesno30,yet.Becauseofparentalorpeerpressure,theycannotvoluntarilyleave.Theystoptryinginthehopethattheirtea。cherswillnmkethedecisionforthemby31them.Toputitbluntly（直截了当地），unlessyou'rewillingtomakeyourcollegeyearscount,Y0umightbe32doingsomethingelse.Noteveryoneshouldattendcollege,norshouldeveryonewhodoe.Sattendbeginrightafterhighschool.Manycollegestudents33takingayearorsoOff.Ayearoutmtheworldhelpssomepeopleto34theirprioritiesandgoals.Ifyou'rereallygoingtogetsomethingoutofgoingtocollege,youhavetomakeitmeansomething,andtodothatyoumusthavesomeideawhyyou'rethere,whatyouhopetogetoutofit,and35evenwhatyouhopetobecome.PartHIReadingComprehension（40minutes）SectionADirections：／nthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoiceinthebankisidentifiedbyaletter.PleasemarkthecorrespondingletterforeachitemonAnswerSheet2withasinglelinethroughthecentre.Youmaynotuseanyofthewordsinthebankmorethanonce.Questions36t045arebasedonthefollowingpassage.It'sourguiltypleasure：WatchingTVisthemostcomtioneverydayactivity,afterworkandsleep,inmanypartsoftheworld.AmericansviewfivehoursofTVeachday,andwhileweknowthatspendingsomuchtimesitting36canleadtoobesity（月肥胖症）andotherdiseases,researchershavenowquantifiedjusthow37beingacouchpotatocanbe．Inananalysisofdatafromeightlarge38publishedstudies，aHarvard—ledgroupreportedinthethatforeverytwohoursperdayspentchannel39，theriskofdevelopingType2diabetesJournaloftheAmericanMedicalAssociation（糖尿病）rose20%over8.5years,theriskofheartdiseaseincreasedl5%overa40,andtheoddsofdyingprematurely4113%duringaseven—yearfollow—up.Allofthese42arelinkedtoalackofphysicalexercise.Butcomparedwithothersedentary（A坐的）activities,likeknitting,viewingTVmaybeespecially43atpromotingunhealthyhabits.Forone,thesheernumberofhourswepasswatchingTVdwarfsthetimewespendonanythingelse.Andotherstudieshavefoundthatwatchingadsforbeerandpopcornmaymakeyoumorelikelyto44them.Evenso.theauthorsadmitthattheydidn’tcomparedifferentsedentaryactivitiesto45whetherTVwatchingwaslinkedtoagreaterriskofdiabetes,heartdiseaseorearlydeathcomparedwith,say,reading.A.climbedB.consumeC.decadeD.determineE.effectiveF.harmfulG.outcomesH.passivelyI.previouslyJ.resumeK.sufferedL.surfingM.termN.terminals0.twistingSectionBDirections：／nthissection,youaregoingtoreadapassagewithtenstatementsattachedtoit.Eachstatementcontainsinformationgiveninoneoftheparagraphs.Identifytheparagraphfromwhichtheinformationisderived.Youmaychooseaparagraphmorethanonce.Eachparagraphismarkedwithaletter.AnswerthequestionsbymarkingthecorrespondingletteronAnswerSheet2.Essay.GradingSoftwareOffersProfessorsaBreakA.Imaginetakingacollegeexam,and,insteadofhandinginabluebookandgettingagradefromaprofessorafewweekslater,clickingthe“send”buttonwhenyouaredoneandreceivingagradebackinstantly,youressayscoredbyasoftwareprogram.Andthen,insteadofbeingdonewiththatexam,imaginethatthesystemwouldimmediatelyletyourewritethetesttotrytoimproveyourgrade.B.EDX,thenonprofitenterprisefoundedbyHarvardandtheMassachusettsInstituteofTechnology（MIT）tooffercoursesontheInternet,hasjustintroducedsuchasystemandwillmakeitsautomated（自动的）softwareavailablefreeontheWebtoanyinstitutionthatwantstouseit．Thesoftwareusesartificialintelligencetogradestudentessaysandshortwrittenanswers，freeingprofessorsforothertasks．C.Thenewservicewillbringtheeducationalconsortium（联盟）intoagrowingconflictovertheroleofautomationineducation．Althoughautomatedgradingsystemsformultiple—choiceandtrue—falsetestsarenowwidespread，theuseofartificialintelligencetechnologytogradeessayanswershasnotyetreceivedwidespreadacceptancebyeducatorsandhasmanycritics.D.AnantAgarwal，anelectricalengineerwhoispresidentofEDX，predictedthattheinstant—gradingsoftwarewouldbeausefulteachingtoolenablingstudentstotaketestsandwriteessaysoverandoverandimprovethequalityoftheiranswers．Hesaidthetechnologywouldofferdistinctadvantagesoverthetraditionalclassroomsystem，wherestudentsoftenwaitdaysorweekslorgrades．“Thereisahugevalueinlearningwithinstantfeedback，”Dr．Agarwalsaid．“Studentsaretellingustheylearnmuchbetterwithinstantfeedback．”E.Butskeptics（怀疑者）saytheautomatedsystemisnomatchforliveteachers.Onelongtimecritic，LesPerelman，hasdrawnnationalattentionseveraltimesforputtingtogethernonsenseessaysthathavefooledsoftwaregradingprogramsintogivinghighmarks.Hehasalsobeenhighlycriticalofstudiesclaimingthatthesoftwarecompareswelltohumangraders.F.Heisamongagroupofeducatorswholastmonthbegancirculatingapetition网P;F）opposingautomatedassessmentsoftware.Thegroup.whichcallsitselfProfessionalsAgainstMachineScoringofStudentEssaysinHigh—StakesAssessment，hascollectednearly2，000signatures，includingsomefromfamouspeoplelikeNoanlChomsky.G.“Let’sfacetherealitiesofautomaticessayscorin9，”thegroup’sstatementreadsinpart.“Computerscannot‘read.’Theycannotmeasuretheessentialsofeffectivewrittencommunication：accuracy.reasonin9，adequacyofevidence，goodsense,ethical（伦理的）position,convincingargument,meaningfulorganization,andclarity，amongothers.”H）ButEdXexpectsitssoftwaretobeadoptedwidelybyschoolsanduniversities.ItoffersfreeonlineclassesfromHarvard.MITandtheUniversityofCalifornia—Berkeley；thisfall,itwilladdclassesfromWellesley.GeorgetownandtheUniversityofTexas.Inall,12universitiesparticipateinEDX,whichofferscertificatesforcoursecompletionandhassaidthatitplanstocontinuetoexpandnextyear,includingaddinginternationalschools.I.TheEDXassessmenttoolrequireshumanteachers,orgraders,tofirstgradel00essaysoressayquestions.Thesystemthenusesavarietyofmachine—learningtechniquestotrainitselftobeabletogradeanynumberofessaysoranswersautomaticallyandalmostinstantly.Thesoftwarewillassignagradedependingonthescoringsystemcreatedbytheteacher,whetheritisalettergradeornumerical（数字的）rank.J.EDXisnotthefirsttousetheautomatedassessmenttechnology,whichdatestoearlycomputersinthel960s.Thereisnowarangeofcompaniesofferingcommercialprogramstogradewrittentestanswers，andfourstates--Louisiana，NorthDakota，UtahandWestVirginia--areusingsomeformofthetechnologyinsecondaryschools．Afifth，Indiana，hasexperimentedwithit．Insomecasesthesoftwareisusedasa“secondreader．”tocheckthereliabilityofthehumangraders．K.ButthegrowinginfluenceoftheEDxconsortiumtosetstandardsislikelytogivethetechnologyaboost．OnTuesday，StanfordannouncedthatitwouldworkwithEDXtodevelopajointeducationalsystemthatwillmakeuseoftheautomatedassessmenttechnology．L.Twostart．ups．CourseraandUdacity，recentlyfoundedbyStanfordfacultymemberstocreate“massiveopenonlinecourses，”0rMOOCs，arealsocommittedtoautomatedassessmentsystemsbecauseofthevalueofinstantfeedback．‘‘Itallowsstudentstogetimmediatefeedbackontheirwork,sothatlearningturnsintoagame,withstudentsnaturally8好丫五2=血8(吸弓Dtowardresubmittingtheworkuntiltheygetitright,”saidDaphneKoller,acomputerscientistandafounderofCoursera,M,LastyeartheHewlettFoundation,agrant—maltingorganizationsetupbyoneoftheHewlettPackardfoundersandhiswife,sponsoredtwo$100,000prizesaimedatimprovingsoftwarethatgradesessaysandshortanswers,Morethanl50teamsenteredeachcategory,AwinnerofoneoftheHewlettcontests,VikParuchuri,washiredbyE(IXtohelpdesignitsassessmentsoftware.N,“OneofourfocusesistohelpMdslearnhowtothinkcritically,”saidVictorVuchic,aprogramofficerattheHewlettFoundation,“It’sprobablyimpossibletodothatwithmultiple—choicetestsThechallengeisthatthisrequireshumangraders,andsotheycostalotmoreandtheytakealotmoretime,“O,MarkD,Shermis,aprofessorattheUniversityofAkroninOhi0,supervisedtheHewlettFoundation’scontestonautomatedessayscoringandwroteapaperabouttheexperiment,Inhisview,thetechnology--thoughimperfect--hasaplaceineducationalsettings,P,Withincreasinglylargeclasses,itisimpossibleformostteacherstogivestudentsmeaningfulfeedbackonwritingassignments,hesaid,Plus,henoted,criticsofthetechnologyhavetendedtocomefromthenation’sbestuniversities,wherethelevelofteachingismuchbetterthanatnlostschools,Q)“Oftentheycomefromveryfamousinstitutionswhere,infact,theydoamuchbetter,jobofprovidingfeedbackthanamachineevercould,”Dr,Shermissaid,“Thereseemstobealackofappreciationofwhatisactuallygoingonintherealworld,”46,Someprofessionalsineducationarecollectingsignaturestovoicetheiroppositiontoantomatedessaygrading,47,Usingsoftwaretogradestudents’essayssavesteacherstimeforotherwork,48,TheHewlettcontestsaimatimprovingessaygradingsoftware,49,Thoughtheautomatedgradingsystemiswidelyusedinmultiple—choicetests,automatedessaygradingisstillcriticizedbymanyeducators,50．Somepeopledon’tbelievethesoftwaregradingsystemcandoasgoodajobashumangraders．51．Criticsofautomatedessayscoringdonotseemtoknowthetruerealitiesinlessfamousuniversities．52．Criticsarguemanyimportantaspectsofeffectivewritingcannotbemeasuredbycomputerratingprograms．53．Asclasssizegrows，mostteachersareunabletogivestudentsvaluablecommentsaStohowtoimprovetheirwritin9．54．Theautomatedassessmenttechnologyissometimesusedtodoublechecktheworkofhumangraders．55．Studentsfindinstantfeedbackhelpsimprovetheirlearningconsiderably．SectionCDirections：Thereare2passagesinthissection．Eachpassageisfollowedbysomequestionsorunfinishedstatements．ForeachofthemtherearefourchoicesmarkedA.，B），C）andD.YoushoulddecideonthebestchoiceandmarkthecorrespondingletteronAnswe，．Sheet2withasinglelinethroughthecentre．PassageOneQuestions56t060arebasedonthefollowingpassage．Theendlessdebateabout“work—lifebalance”oftencontainsahopefulfootnoteaboutstayathomedads．IfAmericansocietyandbusinesswon’tmakeiteasieronfuturefemaleleaderswhochoosetohavechildren，thereisstilltherayofhopethatincreasingnumbersoffull—timefatherswill．Butbasedontoday’ssocioeconomictrends，thishopeis，unfortunately，misguided．It’struethatthenumberofmenwhohaveleftworktodotheirthingasfull—timeparentshasdoubledinadecade，butit’sstillverysmall：only0．8％ofmarriedcoupleswherethestay—at—hornefatherwasoutofthelaborforceforayear．Eventhatpercentageislikelyinflatedbymenthrustintotheircaretakerrolebyadownsizing.Thisissimplynotalargeenoughgrouptoreducethesocialstigma（污g）andforceotheradjustmentsnecessarytosupportingmeninthisdecision.evenifonlyworkmorethantheirfamily.Evenshortertimesawayfromworkforworkingfathersarealreadydifficult.Astudyfoundthat85％ofnewfatherstakesometimeoffafterthebirthofachild—butforallbutafew.it’saweekortwoatmost.Meanwhile，theaverageforwomenwhotakeleaveismorethanloweeks.Suchchoicesimpactwhomovesupintheorganization.Whileyou’reaway，someoneelseisdoingyourwork，makingyoursales，takingcareofyourcustomers.Thatcan’thelpyouatwork.Itcanonlyhurtyou.Women，ofcourse，facethesameissuesofreturningafteralongabsence.Butwithmanymorewomenthanmenchoosingtoleavetheworkforceentirelytoraisefamilies，returningfromanextendedparentalleavedoesn’traiseasmanyeyebrowsasitdoesformen.Womenwouldmakemoreiftheydidn'tbreaktheirearningtrajectory（轨迹）byleavingtheworkforce，orifhigher-payingprofessionsweremorefamilyfriendly.Intheforeseeablefuture，Stayathomefathersmaymakeallthedifferenceforindividualfamilies．buttheirpresencewon’treducethenumbersofhighpotentialwomenwhoareforcedtochoosebetweenfamilyandcareer．56．Whatgiveswomenarayofhopetoachieveworklifebalance?A.Morementakinganextendedparentalleave．B.People’schangingattitudestowardsfamily．C.Morewomenenteringbusinessmanagement．D.Theimprovementoftheirsocioeconomicstatus．57．Whydoestheauthorsaythehopeformorefull—timefathersismisguided?A.Womenarebetterattakingcareofchildren．B.Manymenvalueworkmorethantheirfamily．C.Theirnumberistoosmalltomakeadifference．D.Notmanymenhavethechancetostayathome．58．Whydofewmentakealongparentalleave?A.Alongleavewillhaveanegativeimpactontheircareer．B.Theyjusthavetoomanyresponsibilitiestofulfillatwork．C.Theeconomiclosswillbetoomuchfortheirfamilytobear．D.Theyarelikelytogetfiredifabsentfromworkfortoolon9．59．Whatisthemostlikelyreactiontomenreturningfromanextendedparentalleave?A.Jealousy．B.SurpriseC.AdmirationD.Sympathy．60．Whatdoestheauthorsayabouthigh-potentialwomeninthenot—too-distantfuture?A.Theywillbenefitfromthetrendofmorefathersstayingathome．B.Theywillfindhigh—payingprofessionsabitmorefamily—friendly．C.Theyareunlikelytobreaktheircareertrajectorytoraiseafamily．D.Theywillstillfacethedifficultchoicebetweencareerandchildren．PassageTwoQuestions61tO65arebasedonthefollowingpassage．Someoftheworld’smostsignificantproblemsneverhitheadlines．Oneexamplecomesfromagriculture．Foodriotsandhungermakenews．Butthetrendlyingbehindthesemattersisrarelytalkedabout．Thisisthedeclineinthegrowthinyieldsofsomeoftheworld’smajorcrops．AnewstudybytheUniversityofMinnesotaandMcGillUniversityinMontreallooksatwhere．andhowfar．thisdeclineisoccurring．Theauthorstakeavastnumberofdatapointsforthefourmostimportantcrops：rice,wheat,cornandsoyabeans（大豆）.Theyfindthatonbetween24%and39%ofallharvestedareas，theimprovementinyieldsthattookplacebeforethel980ssloweddowninthel990sand2000s．Therearetwoworryingfeaturesoftheslowdown．Oneisthatithasbeenparticularlysharpintheworld'smostpopulous（人口多的）countries,IndiaandChina.Theirabilitytofeedthemselveshasbeenanimportantsourceofrelativestabilitybothwithinthecountriesandonworldfoodmarkets．Thatself-sufficiencycannotbetakenforgrantedifyieldscontinuetoslowdownorreverse.Second,yieldgrowthhasbeenlowerinwheatandricethanincollandsoyabeans．Thisisproblematicbecausewheatandricearemoreimportantasfoods，accountingforaroundhalfofallcaloriesconsumed．Cornandsoyabeansaremoreimportantasfeedgrains．Theauthorsnotethat“wehavepreferentiallyfocusedourcropimprovementeffortsonfeedinganimalsandcarsratherthanoncropsthatfeedpeopleandarethebasisoffoodsecurityinmuchoftheworld．”Thereportqualifiesthemoreoptimisticfindingsofanothernewpaperwhichsuggeststhattheworldwillnothavetodigupalotmorelandforfarminginordertofeed9billionpeoplein2050，astheFoodandAgricultureOrganisationhasargued．Instead，itsays，thankstoslowingpopulationgrowth，landcurrentlyploughedupforcropsmightbeabletorevert(回返)toforestorwilderness.Thiscouldhappen．Thetroubleisthattheforecastassumescontinuedimprovementsinyieldswhichmaynotactuallyhappen.Whatdoestheauthortrytodrawattentionto?A.Foodriotsandhungerintheworld.B.Newsheadlinesintheleadingmedia.C.Thedeclineofthegrainyieldgrowth.D.Thefoodsupplyinpopulouscountries..WhydoestheauthormentionIndiaandChinainparticular?A.Theirself-sufficiencyisvitaltothestabilityofworldfoodmarkets.B.Theirfoodyieldshavebeguntodecreasesharplyinrecentyears.C.Theirbigpopulationsarecausingworldwideconcerns.D1Theirfoodself-sufficiencyhasbeentakenforgranted..Whatdoesthenewstudybythetwouniversitiessayaboutrecentcropimprovementefforts?A.Theyfailtoproducethesameremarkableresultsasbeforethel980s.B.Theycontributealottotheimprovementofhumanfoodproduction.C.Theyplayamajorroleinguaranteeingthefoodsecurityoftheworld.D.Theyfocusmoreontheincreaseofanimalfeedthanhumanfoodgrains..WhatdoestheFoodandAgricultureOrganisationsayaboutworldfoodproductioninthecomingdecades?A.Thegrowingpopulationwillgreatlyincreasethepressureonworldfoodsupplies.B.Theoptimisticpredictionaboutfoodproductionshouldbeviewedwithcaution.C.Theslowdownofthegrowthinyieldsofmajorfoodcropswillbe"reversed.D.Theworldwillbeabletofeeditspopulationwithoutincreasingfarmland..HowdoestheauthorviewtheargumentoftheFoodandAgricultureOrganisation?A.Itisbuiltonthefindingsofanewstudy.B.Itisbasedonadoubtfulassumption.C.Itisbackedbystrongevidence.D.Itisopentofurtherdiscussion.PartIVTranslation(30minutes)Directions：Forthispart，youareallowed30minutestotranslateapassagefromChineseintoEnglish.YoushouldwriteyouransweronAnswerSheet2.据报道，今年中国快递服务(courierservices)将递送大约120亿件包裹。这将使中国有可能超越美国成为世界上最大的快递市场。大多数包裹里装着网上订购的物品。中国给数百万精品欢迎下载可修改精品欢迎下载可修改在线零售商以极具竞争力的价格销售商品的机会。仅在U月n日，中国消费者就从国内最大的购物平台购买了价值90亿美元的商品。中国有不少这样的特殊购物日。因此，快递业在中国扩展就不足为奇了。大学英语四级考试真题答案与详解(第2套)PartIWriting这是一篇四级考试中常见的议论文。此次通过漫画所呈现出的话题computer(电脑)是考生日常生活中耳熟能详的话题，因此写起来并不难。行文中，考生应将重点放在第二段阐述电脑与日常生活的关系上。联系实际分析可知，二者关系为：电脑为日常生活提供了便利，但不能完全占据人们的日常生活。00写何捌一、提出观点：电脑在日常生活中虽然重要但并非必不可少(animportantbutnotindispensablerole)一心不迎占［L过度沉迷于电脑对我们的健康不利(esertanegativeimpactonourhealth)一‘点“’观点过度使用电脑会将我们隔离在社交圈之外於usfromthesocialcircles)L电脑确实改善了我们的生活(惶他¥promoteourlife)三、总结观点।2-不应改在电腼上花错过多的时间而舍弃享受美好的生活(shouldnotspendtoomuchtimeonitattheexpenseofsavoringourgoodlife)■蔡立虎评高分范文高分范文ThisModernLife精彩点评 ①对漫画进行描述广-天当中人们无时无刻不在使用电脑口②揭示漫画熄含的幕息：电脑现在深深地渗透到我们的口常生活中C③使用fmmmyp（^rs［）ective提出观点：电脑在H常生活中虽然重要但.并非必不可少。④承上启下，论证观点n⑤⑥使用toStartwith和ftiithermcre,从两个方面屣开诒证，层次分明。⑦⑧使用Inconclusion和nevertheless总结版点并提出建议口Q加分亮点penetrateinto渗入.渗透fromonesperspective在某人看来indispensable必不可少的in^tanl.assjsL^iice及时帮助necessity必需品beinlrigoedby…对……着迷savor享受*欣赏①InthepictureisapersonusinghiscomputeraUday,whetherheisatworktathomehplayingnrinhissleep.②Thisdrawingvividlydepictsacommonphenomenonthatcomputersnowadaysdeeplypenetrateintoovrdailyandw（；canunidowithoutiteuenforartiuiute.③However,frommyperspectivencomputersplayanimportantbutnotIndispensableroleinourmodemliie.@Itistruethatcumputjersmalceoiirlifeconvententandprovideinstantassistance.Butitisnotanecessity,⑤Tostart.with,excessiveaddiedontocomputersmayexertanegativeimpactanourhealth.Insteadoftakingexerciseinoursparelimehwemaybeintriguedhythevaritjuscuntentsonit.⑥Furtlicmiore.indulgingin<x>mputersmayisolateusfromthesocialcircles.Sincewecanchatwiththevim闻friendsviacomputeis,wemaynotbothertoconununicatewithfamiliesorfriendsaroundus,⑦Ingn日欣Qn,astheproductofthehightechnologydcomputerreallypromotesourlife.③.Nevertheless,weshouldnotspendtoomuchtimeonitattheexpenseofsavoringourgoodlife.现代生活漫画中是一个人，一天当中他无时无刻不在使用电脑，不论是在工作时、在家时、玩游戏时,还是在睡眠中。这幅漫画生动地描述了一种普遍现象：电脑现在深深地渗透到我们的日常生活中，我们甚至一分钟都不能没有它。尽管如此，在我看来，电脑在现代生活中虽然重要但并非必不可少。诚然，电脑使我们的生活方便，并提供及时帮助。但它并非生活必需品。首先，过度沉迷于电脑对我们的健康不利。我们可能着迷于电脑上五花八门的内容而忽略了在业余时间锻炼身体。此外，过度使用电脑会将我们隔离在社交圈之外。因为我们可以通过电脑与虚拟世界中的朋友交谈，所以我们可能不会费心去与身边的亲朋好友交流。总之，作为高科技的产物，电脑确实改善了我们的生活。但是我们不应该在电脑上花费过多的时间而舍弃享受美好的生活.0拓展空间主题词汇makegooduseof充分利用befascinatedby着迷于illustrate阐述，阐释informationhighway信息高速extend…int0将 扩展到attachimportanceto重视keypal网友digital数字的，数码的句式拓展Foralongti