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2018年12月英语四级考试参考答案（全三套）第一套听力原文News1Adevicethatweighslessthanonekilogramispartofamissionthatwillallowscientiststodeliverfourthgenerationor4Gmobilecoveragetothemoonin2019.Ifsuccessful,thetinydevicewillprovidethemoonwithitsfirstevermobilephonenetwork.Thelunarnetworkwillsupporthighdefinitionstreamingofvideoanddatabetweenthemoonandearth.Thenetworkispartofamissiontothemoon.Thisisaprojectwiththegoaloflandingthefirstprivatelypaidformissiontothemoon.The4GmissionissettolaunchfromCapeCanaveralintheUnitedStatesonaspaceXFalcon9rocketin2019.Missiontothemoonintendstoestablishandtestthefirstelementsofacommunicationsnetworkonthemoon.Thescientistsworkingontheprojectoptedtobuilda4Gratherthanafifthgenerationor5Gnetwork.Thisisbecausefifthgenerationnetworksarestillintestingandtrialphases.Thismeansthata5Gnetworkmaynotyetbestableenoughtoworkonthemoon’ssurface.Question1:Whatarescientistsplanningtodo?Question2:Whydidscientistschoosetosetupa4Gnetworkintheirmission?News2It’srespondedtoafireWednesdaynightatanabandonedmallinHeywood.Thefirewasreportedat9:26pmatanoldshoppingcenteronMichiganAvenuenearSt.Mary’sChurch.Sixfireengines,twotrucksandtwochiefsrespondedtothescene.Crewshadthefireundercontrolinabout45minutesandmanagedtocontainthefiretoitspointoforigin.Thereweresomepeopleinsidethebuildingwhenthefirebrokeoutbuttherewerenoreportsofanyinjuries.Fireinvestigatorshaverespondedtothescenebuthavenotyetdeterminedthecauseofthefire.Firefighterswillremainonthesceneuntillaterthismorningtoensurethatthefiredoesn’tstartupagain.Theshoppingmallhadnotbeeninusesince2002.In2014CityHalldevelopedaplantoknockdownthebuildingandreplaceitwithaffordablehousing.Howevertheplanwasdroppedduetolackoffunds.Question3:Whatdoesthenewsitemsayaboutthefire?Question4:WhathadCityHallplannedtodo?News3PotatochipsinJapanarebeingsoldfor6Xtheirnormalprice.Thisisafterthecountry’smainmanufacturerstoppedsalesduetoapotatoshortage.Stormsandfloodsanditsmainpotatogrowingregionlastyearcausedtheworstharvestandmorethan3decades.LocalmediareportssuggestCalbeeanditsmainrivalKoike-yaarehaltingalmost50products.“Wedon’tknowwhenwe’llbeabletorestart”,acompanyspokesmansaid.Snackloversarepanicbuyingandmanysupermarketshelvesarebare.JapaneselawslimittheamountofimportedpotatoesthatcanbeusedinJapanesemadeproducts.Japansaysfearofdiseaseisitsmainreasontoblockfreshimports.ItstillonlyallowspotatoesfromselectedUSstates.ThisisonlyatcertaintimesandonconditionthattheyareprocessedatfactoriesbasednearJapaneseports.Butglobalwarminghasraisedthepossibilitythatdomesticproducecouldbeseriouslyaffectedbyrareweathereventsmoreoften.Question5:WhatproblemisJapanfacing?Question6:WhydoesJapanlimittheimportofpotatoes?Question7:WhatmightaffectJapanesedomesticproduce?Conversation1M:Mr.Brown’slecturesaresoboring.W:Yes,heisnotaveryexcitingspeaker.Butthesubjectisinteresting.M:Duringeveryoneofhislectures,ItrytolistenIreallytry.Butafterabout10minutesmymindbeginstowanderandIloseconcentration.ButIseethatyouseemtobeOK.Howdoyoustayfocusedthroughtheentirehour?W:Well,whatIdoiskeepmypenmoving.M:Whatdoyoumean?W:It’samethodofactiveconcentrationIreadabout.Oneofthemosteffectivewaystoconcentrateistowritethingsdown.Butithastobedonebyhand,nottypingonakeyboard.Youseewritingbyhandforcesyoutoactuallyengagewithwhatyou’relearninginamorephysicalway.M:Doyoureviewyournotesafterwardsthen?W:Sometimesbutthat’snotimportant.MynotesmayormaynotbeusefulbutthepointisthatbywritingdownwhatMr.BrandsaysIcanfollowhislineofthinkingmoreeasily.Infact,sometimesIdrawalittletoo.M:Youdrawinclassandthathelpsmepayattention?W:Yes,honestlyitworksforme.Ijustdrawlittlelinesandnonsensereally.ItwasalsointhatarticleIread.Itcankeepthemindactive,preventgettingboredandhelptoconcentrate.Againthepointistolistenhardwhilekeepingthepenmoving.IfI’mathomeandIneedtostudywhatIdoisreadoutloud.Ithasasimilareffecttowritingbyhand.Ithelpsmemorizeinformationinaphysicalway.Question8:WhatdoesthemanthinkofMr.Brown’slectures?Question9:WhatdoesthewomandoduringMr.Brown’slectures?Question10:Whydoesthewomandrawinclass?Question11:Whatdoesthewomansayaboutreadingoutloud?Conversation2M:Andwhereisthis?F:ThesephotosarefromtheTajMahalinIndia.Wewentthereabouttenyearsagoforourhoneymoon.M:Wasitromantic.F:Yeah.TheTajMahalwasaveryromanticplace.TheguidetoldusthereisafamouslovestorybehindthisbuildingthatallIndianslearninschool.Ithinkitwasduringthe1600andtheprincessatthattimediedwhilegivingbirthtoher14thchild.TheEmperorlovedtheprincesssomuchandwassosadwhenshediedthatheorderedthepalacetobebuiltinherhonor.M:Wow!Thatsoundsveryromantic.Itlooksamazing.F:Yesit’sgorgeous.It’salsolargerinreallifethanitlooksinthephotos.Thebuildingisverytallandtherearegardensinawallarounditall.It’sallbuiltinthiswhitestoneandsomewallsofthebuildingaredecoratedwithjewels.M:Itmusthavebeenverycrowdedwhenyouwerethere.F:Yesit’saveryfamoustouristdestination.Sotherearethousandsofvisitorseveryday.M:WastherestofIndiacrowded?F:Yes,verycrowdedinmanycities.Itwassometimessocrowdedthatitwasdifficulttowalkalongthestreetsespeciallythroughbusymarkets.Andtherearesomanycars