高考英语一轮复习课时作业七必修2Unit2TheOlympicGames课件新人教版

七必修2

Unit2

TheOlympicGames(限时35分钟)Ⅰ.阅读理解

WecanvideochatwithastronautsaboardtheInternationalSpaceStationandwatchlivefootage(直播)fromthefrozenheightsofEverest.Butcommunicatingwithasubmarine(潜艇)oradiverisnotsoeasy.Thelackofpracticalmethodsforsharingdatabetweenunderwaterandairbornedeviceshaslongbeenafrustrationforscientists.Thedifficultyoriginatesfromthefactthatradiosignalsworkperfectlyinairtravelbutpoorlyinwater.Sonar(声呐)signalsusedbyunderwatersensorsreflectoffthesurfaceofthewaterratherthanreachingtheair.Now,researchersatMIThavedevelopedamethodwiththepotentialtorevolutionizeunderwatercommunication.“Whatwe’veshownisthatit’sactuallyfeasibletocommunicatefromunderwatertotheair,”saysFadel

Adib,aprofessoratMIT’sMediaLab,wholedtheresearch.TheMITresearchersdesignedasystemthatusesanunderwatermachinetosendsonarsignalstothesurface,makingvibrations(震动)correspondingtothe1sand0softhedata.Asurfacereceiverthenreadsanddecodesthesetinyvibrations.TheresearcherscallthesystemTARF.“Ithasanumberofpotentialreal-worlduses,”Adibsays.Itcouldbeusedtofinddownedplanesunderwaterbyreadingsignalsfromsonardevicesinaplane’sblackboxanditcouldallowsubmarinestocommunicatewiththesurface.Rightnowthetechnologyislow-resolution.TheinitialstudywasconductedintheMITswimmingpoolatmaximumdepthsofaround11or12feet.ThenextstepsfortheresearchersaretoseeifTARFisworkableatmuchgreaterdepthsandundervaryingconditions—highwaves,storms,schoolsoffish.Theyalsowanttoseeiftheycanmakethetechnologyworkintheotherdirection—airtowater.Ifthetechnologyprovessuccessfulinreal-worldconditions,expect“textingwhilediving”tobethelatestunderwaterfashion.【文章大意】这是一篇说明文,讲述的是水下与陆地上的通信在之前是无法实现的。随着科技的进步,这一通讯逐渐能够变为现实。1.WhatdoestheauthormainlytalkaboutinParagraph1?A.Thefutureofvideochatunderwaterandinair.B.Thedifficultyofcommunicationfromwatertoair.C.Thefrustrationsofdevelopingunderwaterdevices.D.Thecurrentsituationofcommunicatingwithasubmarine.【解析】选B。细节理解题。根据第一段的第二、三句“Butcommunicatingwithasubmarineoradiverisnotsoeasy.Thelackofpracticalmethodsforsharingdatabetweenunderwaterandairbornedeviceshaslongbeenafrustrationforscientists.”可知,从水里向空气中传递信息,进行交流是很困难的。2.Whatdoestheunderlinedword“feasible”mean?A.Changeable.

B.Convenient.C.Achievable. D.Alternative.【解析】选C。词义猜测题。根据第二段的第一句“Now,researchersatMIThavedevelopedamethodwiththepotentialtorevolutionizeunderwatercommunication.”可推断海底与外界的沟通实际上是可行的。所以该词的意思是“可行的,可实现的”。3.WhatdoweknowaboutTARF?A.Itiswidelyusedtofinddownedplanes.B.Itcanworkwellatgreatdepthsunderwater.C.Itisanunderwatermachinethatsendssignals.D.Itcansend,receiveandreadsignalsfromunderwater.【解析】选D。细节理解题。根据第三段前三句内容可知,TARF系统可以从水下发送、接收和读取信号。4.Whichofthefollowingisthebesttitleforthepassage?A.TheReal-worldUsesofSonarTechnologyB.ABreakthroughintheApplicationofVideoChatC.FullWater-to-airCommunicationClosertoRealityD.TARFBecomingaNewMeansofCommunication【解析】选C。标题归纳题。根据第一段的最后两句和第二段的第一句可知,本文讲述的是水下与陆地上的通信在以前是无法实现的,但随着科技的进步,这一通讯逐渐能够变为现实。Ⅱ.完形填空Whystudyhistory?Peopleliveinthepresent.Theyplanforthe

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.History,however,isthestudyofthepast.Givenallthe

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andpressuresthatcomefromlivinginthepresentand

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whatisyettocome,whybotherwithwhathasbeen?Givenalltheavailablebranchesofknowledge,whyinsist—asmost

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systemsdo-onhistory?Andwhyurgemanystudentstostudyevenmorehistorythantheyare

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to?

Anysubjectofstudyneeds

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:supportersmustexplainwhyitisworth

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.Likemostwidelyaccepted

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,historyattractspeoplewhosimply

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theinformationandmodesofthoughtinvolved.Butforpeoplewhoarelessinterestedinthesubjectandmore

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aboutwhytheyshouldbotherwithit,aclearerexplanationofitspurposeisrequired.

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donotperformhearttransplants,improvehighwaydesign,orarrestcriminals.Inasocietythatquitecorrectlyexpectseducationtoserve

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purposes,history’sfunctionscanseemmoredifficultto

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thanthoseofengineeringormedicine.Historyisinfactveryuseful,actually

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,buttheproductsofhistoricalstudyareoftenless

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andimmediatethanthoseofothersubjects.

Historyhelpsusunderstandpeople,societiesandhowthey

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.Forexample,howcanwe

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pastwars(andfuturethreats)withoutusinghistoricalmaterials?Unfortunately,majoraspectsofasociety’soperationcannotbesetupaspreciseexperiments.

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,historymustserve,howeverimperfectly,asour

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,helpingusunderstandwhoweareandwhywedowhatwedo.This,fundamentally,iswhywecannot

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history.

【文章大意】本文属于议论文,讨论学习历史的必要性和意义。1.A.process B.resultC.future D.environment【解析】选C。人们生活在当下,应当为将来做计划。process进程;result结果;future未来;environment环境。根据本句可知,为未来做计划,故选C。2.A.causes B.demandsC.choices D.orders【解析】选B。考虑到生活在当下和预测未来的压力和需求(demand),为什么要花时间去考虑过去的事情呢?3.A.avoiding B.fearingC.celebrating D.anticipating【解析】选D。预测未来的压力和需求。avoiding避免;fearing害怕;celebrating庆祝;anticipating预测。故选D。4.A.financial B.socialC.educational D.political【解析】选C。考虑到所有可以获取的知识,为什么要坚持学历史呢?这是教育系统要求做的。financial金融的;social社会的;educational教育的;political政治的。故选C。5.A.required B.invitedC.forced D.permitted【解析】选A。为什么要敦促学生学习超过他们需要的历史知识呢?required需要,要求;invited邀请;forced被迫;permitted允许。故选A。6.A.direction B.explorationC.justification D.revolution【解析】选C。任何一门学科的学习都需要学习它的正当理由。direction方向;exploration探索;justification正当的理由;revolution革命。故选C。7.A.assessment B.attentionC.expectation D.mention【解析】选B。支持的人必须要解释历史为何值得如此关注。assessment评估;attention注意,关注;expectation期待;mention提及。故选B。8.A.subjects B.conceptsC.topics D.concerns【解析】选A。历史是学生所学学科的其中的一门学科,故选A。9.A.provide B.receiveC.share D.like【解析】选D。像大多数被接受的学科一样,历史吸引着那些喜欢(like)历史信息的人。10.A.doubtful B.worriedC.thoughtful D.certain【解析】选A。但是对于不怎么感兴趣人以及怀疑(doubtful)为什么要学历史的人来说,一个清晰的解释就很有必要了。11.A.Supporters B.HistoriansC.Audiences D.Teachers【解析】选B。历史学家不会做心脏移植手术,不会改进高速路的设计,也不会逮捕罪犯。Supporters支持者;Historians历史学家;Audiences听众;Teachers教师。根据后文可知,本段讲述历史的必要性,故选B。12.A.public B.multipleC.different D.useful【解析】选D。人们都希望学生所学的学科是有用处的。public公共的;multiple多样的;different不同的;useful有用的。故选D。13.A.define B.expect C.satisfy D.ignore【解析】选A。历史的功能与工程学或者医学相比似乎很难让人定义。define定义;expect期望;satisfy满意;ignore忽视。故选A。14.A.optional B.attractiveC.accessible D.essential【解析】选D。历史是非常有用的,甚至是必不可少的。optional选择的;attractive有吸引力的;accessible可接近的;essential必不可少的。故选D。15.A.valuable B.interestingC.obvious D.instructive【解析】选C。只是历史学研究的成果与其他学科相比没那么明显,那么立竿见影。valuable有价值的;interesting有趣的;obvious明显的;instructive有教育意义的。故选C。16.A.imagine B.behaveC.fight D.fade【解析】选B。历史帮助我们理解人类和社会,了解古人的行为表现。imagine想象;behave表现;fight反抗;fade褪色。故选B。17.A.prevent B.rememberC.evaluate D.declare【解析】选C。用历史资料去评估过去的战争或者将来的威胁。prevent阻止;remember回忆;evaluate评估;declare声称。故选C。18.A.Consequently B.AlternativelyC.Fortunately D.Admittedly【解析】选A。因此,尽管历史多么不完美,但必须要充当实验室,帮助我们理解我们是谁,我们做一些事情的理由。Consequently因此;Alternatively或者;Fortunately幸运的是;Admittedly必须要承认的是。分析前后句可知,前后句属于因果关系,故选A。19.A.library B.laboratoryC.clinic D.museum【解析】选B。把历史当作实验室(laboratory),帮助我们理解我们是谁,以及我们做一些事情的理由。20.A.makeupfor B.giveintoC.getcloseto D.stayawayfrom【解析】选D。句意:从根本上来说,这就是我们不能不学历史的原因。makeupfor弥补;giveinto让步;getcloseto靠近;stayawayfrom远离,不接近。故选D。Ⅲ.语法填空阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

SinceJuly2019,China’sonlinefood-deliveryplatformEleme1._______(carry)outanewserviceofpickingupgarbagefromitsusersinShanghai.Theservicecomesafter2._______recently-releasedregulationonwastemanagementinShanghai.Individuals3._______throwawaytheirgarbagewithoutbeingsortedoutcanbefinedupto200yuan,whilecompaniesand4._______(organize)canfacefinesupto50,000yuan.Thetrashtakeawayservicerequiresresidentstosort5._______(they)owngarbagebeforeit6._______(pick)upbyworkersfromEleme,whowillensurethewasteisdisposedofinthecorrectgarbagebins.It’sobviousthatthisserviceis7._______(convenience)totheold,especiallytothedisabledcustomers.8._______,manynetizensonSina

Weibodon’tthinkElemeisprovidingawonderfulservice,sayingitjustwants9._______(make)money.Theythink12yuanforanorderistoomuch.Besides,manymorepeopledoubtifthesecollectorswillwashtheirhandsafter10._______(deal)withthetrash.【文章大意】这是一篇报道类文章。主要是就上海饿了么在2019年七月公布的回收打包垃圾的话题展开讨论和人们的各种反应。1.【解析】hascarried。考查动词的时态。根据本句的时间状语SinceJuly2019可知,用现在完成时,故答案为hascarried。2.【解析】a。考查冠词。regulation是单数可数名词,故答案为a。3.【解析】who/that。考查关系代词。先行词是Individuals指人,此处缺少定语从句的关系词,且关系词在定语从句中作主语,故答案为who/that。4.【解析】organizations。考查名词。根据and前后是并列关系,与companies并列,需要用名词复数,故答案为organizations。5.【解析】their。考查代词。根据句意可知,该处代词和它所修饰的名词表所属关系,用形容词性物主代词。故答案为their。6.【解析】ispicked。考查动词的时态和语态。根据上下文可知,此处主语和动词之间是被动关系,在句中作谓语,主语it为单数,且全文时态为一般现在时。故答案为ispicked。7.【解析】convenient。考查形容词。此处需要形容词作表语,beconvenientto对……方便。故答案为convenient。8.【解析】However。考查副词。由空后句中don’tthink可知网友不赞同这种服务,因此上下文是明显的转折关系。故答案为However。9.【解析】tomake。考查非谓语动词。表示“想要做某事”是wanttodosth.,因此用不定式tomake。10.【解析】dealing。考查非谓语动词。after在此处是介词,其后应用动名词作宾语。Ⅳ.书面表达(2021·烟台模拟)

假如你是李华。你校今年11月22日将迎来