四级第一套解析.docx
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四级第一套解析.docx
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四级第一套解析
2021年12月大学英语四级考试精编解析
(第一套)
PartⅠWriting
范文
TheChallengesofLivinginaBigCity
Withthedevelopmentofeconomyandurbanization,thenumberofbigcitiesisconstantlyincreasinginChina.Whilebigcitiesareattractingmoreandmorepeople,theyalsobringmanychallenges,suchastrafficjamandpollution,justtonameafew.
Thefirstproblemthatreallybothersmeisthetrafficcongestionintherushhour.Ihatewaitingforbusesandbeinglate.Therefore,IhavetogetupveryearlyifIhaveanappointmentinthemorning.Nextisthatthelargepopulationinabigcitymakesitsocrowdedthatyoucan’tfindapeacefulplaceunlessstayingathome.Thesupermarketsarealwayscrowded,soarethecinemasandparks.Anotherconsequenceforsuchalargepopulationisthatitintensifiestheinadequacyofqualitymedicalandeducationalresources,thusdecreasingresidents’senseofhappiness.
Asaresult,althoughIamfrequentlyaskedwhetherIliketoliveinabigcityornot,myanswerisalwaysno,definitelynot.Howaboutyou?
PartIIListeningComprehension
SectionA
NewsReportOne(1-2)
(1)AdevicethatweighslessthanoneKilogramispartofamissionthatwillallowscientiststodeliverfourthgenerationor4Gmobilecoveragetothemoonin2019.Ifsuccessful,thetinydevicewillprovidethemoonwithitsfirst-evermobilephonenetwork.Thelunarnetworkwillsupporthigh-definitionstreamingofvideoanddatabetweenthemoonandEarth.ThenetworkispartofMissiontotheMoon.Thisisaprojectwiththegoaloflandingthefirstprivatelypaidformissiontothemoon.The4GmissionissettolaunchfromCapeCanaveralintheUnitedStatesonaSpaceXFalcon9rocketin2019.MissiontotheMoonintendstoestablishandtestthefirstelementsofacommunicationsnetworkonthemoon.
(2)Thescientistsworkingontheprojectoptedtobuilda4G,ratherthanafifthgenerationor5Gnetwork.Thisisbecausefifthgenerationnetworksarestillintestingandtrialphases.Thismeansthata5Gnetworkmaynotyetbestableenoughtoworkonthemoon’ssurface.
答案解析
1.Whatarescientistsplanningtodo?
答案CSetupamobilephonenetworkonthemoon.
解析事实细节题。
新闻开篇指出,AdevicethatweighslessthanoneKilogramispartof
amissionthatwillallowscientiststodeliverfourthgenerationor4Gmobilecoveragetothemoonin2019.Ifsuccessful,thetinydevicewillprovidethemoonwithitsfirst-evermobilephone
network.即2019年,科学家们将在月球上布设第4代或者4G移动网络。
如果计划成功,月
球将首次覆盖移动电话网络。
由此可知,科学家计划在月球上布设移动电话网络。
故答案为C。
2.Whydidscientistschoosetosetupa4Gnetworkintheirmission?
答案AItisstable.
解析细节推断题。
新闻末尾提到,Thescientistsworkingontheprojectoptedtobuilda4G,ratherthanafifthgenerationor5Gnetwork.Thisisbecausefifthgenerationnetworksarestill
intestingandtrialphases.Thismeansthata5Gnetworkmaynotyetbestableenoughtoworkon
themoon’ssurface.即科学家们计划在月球上布置4G网络而不是第5代或是5G网络,因为第5代网络系统目前仍处于测试阶段,如果布设在月球上可能会不够稳定。
由此推断,科学家们之所以选用4G网络是因为其稳定性好。
故答案为A。
NewsReportTwo(3-4)
FirefightersrespondedtoafireWednesdaynightatanabandonedmallinHayward.Thefirewasreportedat9:
26p.m.atanoldshoppingcenteronMissionAvenuenearSaintMary’schurch.Sixfireengines,twotrucksandtwochiefsrespondedtothescene.Crewshadthefireundercontrolinabout45minutesandmanagedtocontainthefiretoitspointoforigin.Thereweresomepeopleinsidethebuildingwhenthefirebrokeout,(3)buttherewerenoreportsofanyinjuries.Fireinvestigatorshaverespondedtothescenebuthavenotyetdeterminedthecauseofthefire.Firefighterswillremainonthesceneuntillaterthismorningtoensurethatthefiredoesn’tstartupagain.Theshoppingmallhadnotbeeninusesince2002.(4)In2014,CityHalldevelopedaplantoknockdownthebuildingandreplaceitwithaffordablehousing.However,theplanwasdroppedduetolackoffunds.
答案解析
3.Whatdoesthenewsitemsayaboutthefire?
答案BNoinjurieswereyetreported.
解析事实细节题。
新闻开头提到火灾发生的时间、地点以及救援情况。
消防员用了大约45分钟控制了火势,火灾发生时楼内有人,buttherewerenoreportsofanyinjuries,即尚
无人员伤亡的报道。
故答案为B。
4.WhathadCityHallplannedtodo?
答案BPulldownthedesertedshoppingmall.
解析事实细节题。
新闻末尾提到,In2014,CityHalldevelopedaplantoknockdownthebuildingandreplaceitwithaffordablehousing.即着火的商场2002年就已经弃用,2014年市政厅计划拆除,改建保障性住房,但因资金匮乏计划未能实施。
由此可知,市政厅的计划是拆除废弃的商场。
故答案为B。
NewsReportThree(5-7)
(5)PotatochipsinJapanarebeingsoldfor6timestheirnormalprice.Thisisafterthecountry’smainmanufacturerstoppedsalesduetoapotatoshortage.Stormsandfloodsinitsmainpotato-growingregionlastyearcausedtheworstharvestinmorethan3decades.LocalmediareportssuggestCalbeeanditsmainrivalKoike-Yaarehaltingalmost50products.“Wedon’tknowwhenwe’llbeabletorestart,”acompanyspokesmansaid.Snackloversarepanicbuying,andmanysupermarketshelvesarebare.(6)JapaneselawslimittheamountofimportedpotatoesthatcanbeusedinJapanese-madeproducts.Japansaysfearofdiseaseisitsmainreasontoblockfreshimports.ItstillonlyallowspotatoesfromselectedUSstates.ThisisonlyatcertaintimesandonconditionthattheyareprocessedatfactoriesbasednearJapaneseports.(7)Butglobalwarminghasraisedthepossibilitythatdomesticproducecouldbeseriouslyaffectedbyrareweathereventsmoreoften.
答案解析
5.WhatproblemisJapanfacing?
答案DInsufficientpotatosupply.
解析事实细节题。
新闻开头提到,PotatochipsinJapanarebeingsoldfor6timestheirnormalprice.Thisisafterthecountry’smainmanufacturerstoppedsalesduetoapotatoshortage.
Stormsandfloodsinitsmainpotato-growingregionlastyearcausedtheworstharvestinmorethan
3decades.即日本薯条价格为正常价格的六倍,主要生产厂家因土豆供给不足而停止生产,土豆主产地去年遭遇了暴风和洪涝灾害,产量降至三十年最低。
由此可知,日本现在面临的问题是土豆供给不足。
故答案为D。
6.WhydoesJapanlimittheimportofpotatoes?
答案CItisafraidofthespreadofdisease.
解析事实细节题。
新闻中提到,Japaneselawslimittheamountofimportedpotatoesthat
canbeusedinJapanese-madeproducts.Japansaysfearofdiseaseisitsmainreasontoblockfresh
imports.即日本法律限制进口土豆,主要原因是担心进口土豆会导致疾病的传播。
故答案为C。
7.WhatmightaffectJapanesedomesticproduce?
答案AGlobalwarming.
解析细节辨认题。
新闻中提到,Butglobalwarminghasraisedthepossibilitythatdomesticproducecouldbeseriouslyaffectedbyrareweathereventsmoreoften.即全球变暖增加了这种可能性:
国内农产品可能会更频繁地受到罕见天气事件的严重影响。
故答案为A。
ConversationOne(8-11)
SectionB
M:
(8)Mr.Brown’slecturesaresoboring.
W:
Yes,heisnotaveryexcitingspeaker.Butthesubjectisinteresting.
M:
Duringeveryoneofhislectures,Itrytolisten.Ireallytry,butafterabouttenminutes,mymindbeginstowanderandIloseconcentration.ButIseethatyouseemtobeOK.Howdoyoustayfocusedthroughtheentirehour?
W:
Well,(9)whatIdoiskeepmypenmoving.M:
Whatdoyoumean?
W:
(9)It’samethodofactiveconcentrationIreadabout.Oneofthemosteffectivewaystoconcentrateistowritethingsdown.Butithastobedonebyhand,nottypingonakeyboard.Yousee,writingbyhandforcesyoutoactuallyengagewithwhatyouarelearninginamorephysicalway.
M:
Doyoureviewyournotesafterwardsthen?
W:
Sometimes,butthat’snotimportant.Mynotesmayormaynotbeuseful.ButthepointisthatbywritingdownwhatMr.Brownsays,Icanfollowhislineofthinkingmoreeasily.Infact,sometimesIdrawalittletoo.
M:
Youdrawinclass?
Andthathelpsyoupayattention?
W:
(10)Yes,honestly,itworksforme.Ijustdrawlittlelinesandnonsensereally.ItwasalsointhatarticleIread.Itcankeepthemindactive,preventgettingboredandhelptoconcentrate.Again,thepointistolistenhardwhilekeepingthepenmoving.(11)IfI’mathomeandIneedtostudy,whatIdoisreadoutloud.Ithasasimilareffecttowritingbyhand.Ithelpsmemorizeinformationinaphysicalway.
答案解析
8.WhatdoesthemanthinkofMr.Brown’slectures?
答案CDull.
解析事实细节题。
对话开头男士说:
Mr.Brown’slecturesaresoboring.由此可知,
Brown先生的讲座非常枯燥,dull与boring属同义替换。
故答案为C。
9.WhatdoesthewomandoduringMr.Brown’slectures?
答案DShetakesnotes.
解析事实细节题。
男士询问女士如何集中注意力听如此枯燥的讲座,女士说:
whatIdoiskeepmypenmoving.It’samethodofactiveconcentrationIreadabout.Oneofthemost
effectivewaystoconcentrateistowritethingsdown.Butithastobedonebyhand,nottypingonakeyboard.即她做法是“让笔动起来”,也就是一边听,一边做笔记。
故答案为D。
10.Whydoesthewomandrawinclass?
答案AItkeepshermindactive.
解析目的原因题。
对话中女士说:
Yes,honestly,itworksforme.Ijustdrawlittlelinesandnonsensereally.ItwasalsointhatarticleIread.Itcankeepthemindactive,preventgettingboredandhelptoconcentrate.即女士除了记笔记外,还会画一些无关信息,这有助于保持大
脑活跃,避免无聊,帮助集中注意力。
故答案为A。
11.Whatdoesthewomansayaboutreadingoutloud?
答案BIthelpsherbetterrememberwhatshelearns.
解析事实细节题。
对话末尾,女士提到:
IfI’mathomeandIneedtostudy,whatIdoisreadoutloud.Ithasasimilareffecttowritingbyhand.Ithelpsmemorizeinformationinaphysical
way.即大声朗读与手写笔记有相同的效果,它能有助于记住所学的东西。
故答案为B。
ConversationTwo(12-15)
M:
Andwhereisthis?
W:
ThesephotosarefromtheTajMahalinIndia.(12)Wewentthereabouttenyearsagoforourhoneymoon.
M:
Wasitromantic?
W:
Yeah,theTajMahalwasaveryromanticplace.TheguidetoldusthereisafamouslovestorybehindthisbuildingthatallIndianslearninschool.(13)Ithinkitwasduringthe1600sandtheprincessatthattimediedwhilegivingbirthtoher14thchild.Theemperorlovedtheprincesssomuchandwassosadwhenshediedthatheorderedthepalacetobebuiltinherhonor.
M:
Wow,thatsoundsveryromantic.Itlooksamazing.
W:
Yes,it’sgorgeous.It
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