高考英語一輪復習課時作業(yè)七必修2Unit2TheOlympicGames課件新人教版

七必修2

Unit2

TheOlympicGames(限時35分鐘)Ⅰ.閱讀理解

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

Adib,aprofessoratMIT’sMediaLab,wholedtheresearch.TheMITresearchersdesignedasystemthatusesanunderwatermachinetosendsonarsignalstothesurface,makingvibrations(震動)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】這是一篇說明文,講述的是水下與陸地上的通信在之前是無法實現的。隨著科技的進步,這一通訊逐漸能夠變?yōu)楝F實。1.WhatdoestheauthormainlytalkaboutinParagraph1?A.Thefutureofvideochatunderwaterandinair.B.Thedifficultyofcommunicationfromwatertoair.C.Thefrustrationsofdevelopingunderwaterdevices.D.Thecurrentsituationofcommunicatingwithasubmarine.【解析】選B。細節(jié)理解題。根據第一段的第二、三句“Butcommunicatingwithasubmarineoradiverisnotsoeasy.Thelackofpracticalmethodsforsharingdatabetweenunderwaterandairbornedeviceshaslongbeenafrustrationforscientists.”可知,從水里向空氣中傳遞信息,進行交流是很困難的。2.Whatdoestheunderlinedword“feasible”mean?A.Changeable.

B.Convenient.C.Achievable. D.Alternative.【解析】選C。詞義猜測題。根據第二段的第一句“Now,researchersatMIThavedevelopedamethodwiththepotentialtorevolutionizeunderwatercommunication.”可推斷海底與外界的溝通實際上是可行的。所以該詞的意思是“可行的,可實現的”。3.WhatdoweknowaboutTARF?A.Itiswidelyusedtofinddownedplanes.B.Itcanworkwellatgreatdepthsunderwater.C.Itisanunderwatermachinethatsendssignals.D.Itcansend,receiveandreadsignalsfromunderwater.【解析】選D。細節(jié)理解題。根據第三段前三句內容可知,TARF系統(tǒng)可以從水下發(fā)送、接收和讀取信號。4.Whichofthefollowingisthebesttitleforthepassage?A.TheReal-worldUsesofSonarTechnologyB.ABreakthroughintheApplicationofVideoChatC.FullWater-to-airCommunicationClosertoRealityD.TARFBecomingaNewMeansofCommunication【解析】選C。標題歸納題。根據第一段的最后兩句和第二段的第一句可知,本文講述的是水下與陸地上的通信在以前是無法實現的,但隨著科技的進步,這一通訊逐漸能夠變?yōu)楝F實。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】本文屬于議論文,討論學習歷史的必要性和意義。1.A.process B.resultC.future D.environment【解析】選C。人們生活在當下,應當為將來做計劃。process進程;result結果;future未來;environment環(huán)境。根據本句可知,為未來做計劃,故選C。2.A.causes B.demandsC.choices D.orders【解析】選B?？紤]到生活在當下和預測未來的壓力和需求(demand),為什么要花時間去考慮過去的事情呢?3.A.avoiding B.fearingC.celebrating D.anticipating【解析】選D。預測未來的壓力和需求。avoiding避免;fearing害怕;celebrating慶祝;anticipating預測。故選D。4.A.financial B.socialC.educational D.political【解析】選C。考慮到所有可以獲取的知識,為什么要堅持學歷史呢?這是教育系統(tǒng)要求做的。financial金融的;social社會的;educational教育的;political政治的。故選C。5.A.required B.invitedC.forced D.permitted【解析】選A。為什么要敦促學生學習超過他們需要的歷史知識呢?required需要,要求;invited邀請;forced被迫;permitted允許。故選A。6.A.direction B.explorationC.justification D.revolution【解析】選C。任何一門學科的學習都需要學習它的正當理由。direction方向;exploration探索;justification正當的理由;revolution革命。故選C。7.A.assessment B.attentionC.expectation D.mention【解析】選B。支持的人必須要解釋歷史為何值得如此關注。assessment評估;attention注意,關注;expectation期待;mention提及。故選B。8.A.subjects B.conceptsC.topics D.concerns【解析】選A。歷史是學生所學學科的其中的一門學科,故選A。9.A.provide B.receiveC.share D.like【解析】選D。像大多數被接受的學科一樣,歷史吸引著那些喜歡(like)歷史信息的人。10.A.doubtful B.worriedC.thoughtful D.certain【解析】選A。但是對于不怎么感興趣人以及懷疑(doubtful)為什么要學歷史的人來說,一個清晰的解釋就很有必要了。11.A.Supporters B.HistoriansC.Audiences D.Teachers【解析】選B。歷史學家不會做心臟移植手術,不會改進高速路的設計,也不會逮捕罪犯。Supporters支持者;Historians歷史學家;Audiences聽眾;Teachers教師。根據后文可知,本段講述歷史的必要性,故選B。12.A.public B.multipleC.different D.useful【解析】選D。人們都希望學生所學的學科是有用處的。public公共的;multiple多樣的;different不同的;useful有用的。故選D。13.A.define B.expect C.satisfy D.ignore【解析】選A。歷史的功能與工程學或者醫(yī)學相比似乎很難讓人定義。define定義;expect期望;satisfy滿意;ignore忽視。故選A。14.A.optional B.attractiveC.accessible D.essential【解析】選D。歷史是非常有用的,甚至是必不可少的。optional選擇的;attractive有吸引力的;accessible可接近的;essential必不可少的。故選D。15.A.valuable B.interestingC.obvious D.instructive【解析】選C。只是歷史學研究的成果與其他學科相比沒那么明顯,那么立竿見影。valuable有價值的;interesting有趣的;obvious明顯的;instructive有教育意義的。故選C。16.A.imagine B.behaveC.fight D.fade【解析】選B。歷史幫助我們理解人類和社會,了解古人的行為表現。imagine想象;behave表現;fight反抗;fade褪色。故選B。17.A.prevent B.rememberC.evaluate D.declare【解析】選C。用歷史資料去評估過去的戰(zhàn)爭或者將來的威脅。prevent阻止;remember回憶;evaluate評估;declare聲稱。故選C。18.A.Consequently B.AlternativelyC.Fortunately D.Admittedly【解析】選A。因此,盡管歷史多么不完美,但必須要充當實驗室,幫助我們理解我們是誰,我們做一些事情的理由。Consequently因此;Alternatively或者;Fortunately幸運的是;Admittedly必須要承認的是。分析前后句可知,前后句屬于因果關系,故選A。19.A.library B.laboratoryC.clinic D.museum【解析】選B。把歷史當作實驗室(laboratory),幫助我們理解我們是誰,以及我們做一些事情的理由。20.A.makeupfor B.giveintoC.getcloseto D.stayawayfrom【解析】選D。句意:從根本上來說,這就是我們不能不學歷史的原因。makeupfor彌補;giveinto讓步;getcloseto靠近;stayawayfrom遠離,不接近。故選D。Ⅲ.語法填空閱讀下面材料,在空白處填入適當的內容(1個單詞)或括號內單詞的正確形式。

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】這是一篇報道類文章。主要是就上海餓了么在2019年七月公布的回收打包垃圾的話題展開討論和人們的各種反應。1.【解析】hascarried?？疾閯釉~的時態(tài)。根據本句的時間狀語SinceJuly2019可知,用現在完成時,故答案為hascarried。2.【解析】a?？疾楣谠~。regulation是單數可數名詞,故答案為a。3.【解析】who/that。考查關系代詞。先行詞是Individuals指人,此處缺少定語從句的關系詞,且關系詞在定語從句中作主語,故答案為who/that。4.【解析】organizations?？疾槊~。根據and前后是并列關系,與companies并列,需要用名詞復數,故答案為organizations。5.【解析】their。考查代詞。根據句意可知,該處代詞和它所修飾的名詞表所屬關系,用形容詞性物主代詞。故答案為their。6.【解析】ispicked。考查動詞的時態(tài)和語態(tài)。根據上下文可知,此處主語和動詞之間是被動關系,在句中作謂語,主語it為單數,且全文時態(tài)為一般現在時。故答案為ispicked。7.【解析】convenient?？疾樾稳菰~。此處需要形容詞作表語,beconvenientto對……方便。故答案為convenient。8.【解析】However?？疾楦痹~。由空后句中don’tthink可知網友不贊同這種服務,因此上下文是明顯的轉折關系。故答案為However。9.【解析】tomake。考查非謂語動詞。表示“想要做某事”是wanttodosth.,因此用不定式tomake。10.【解析】dealing?？疾榉侵^語動詞。after在此處是介詞,其后應用動名詞作賓語。Ⅳ.書面表達(2021·煙臺模擬)

假如你是李華。你校今年11月22日將迎來