人教版高中英语必修二-unit-3-computers-reading课件(共54张PPT)

ReadingLookatthesepictures.Discusswhattheyhaveincommon.Predictwhatitisgoingtobeabout.WarmingupWhat’snext?Pre-readingquestions1.Whathavecomputerschangedourlife?2.Whatchangeswilltheybringtousinthefuture?Task1Skimming1.Whoisthespeakerinthisstory?Acomputer.2.Writedownthreesentencesfromthestorytosupportyouridea.1)IwasbuiltasanAnalyticalmachinebyCharlesBabbage.2)Myrealfather,AlanTuring,…3)Iwasalwayslonelystandingtherebymyself,untilinearly1960stheygavemeafamilyconnectedbyanetwork.Task2Fastreading1.Wherewereyouin1642?InFrance.2.Whathappenedtoyouafternearlytwohundredyears?IwasbuiltasanAnalyticalMachinebyBabbage.3.Whatwereyoucalledin1936?Auniversalmachine.4.Whathappenedtoyouinthe1970s?Ihavebeenusedinofficesandhomes.16421822TheanalyticalmachinewasmadebyCharlesBabbage.1936Thecomputerbeganasacalculatingmachine．Thecomputergrewrapidlybothinsizeandinbrainpower.Task3Carefulreading1940sThefirstfamilyofcomputerswasconnectedtoeachother.1970snowComputershadgrownaslargeasaroom.1960sComputerswereusedinofficesandhomes.Computersconnectpeopleallovertheworldtogether.DevelopmentEarlydaysNameFunctionPoorStrongA_________machineSimplifydifficultsumsAn________machineThinklogicallyandproduceananswerquicklyA_________machineSolvedifficult______________________calculatinganalyticaluniversalmathematicalproblemsDevelopmentNetworktimes_________storedinTubesLargeSmall____________Smallchips________________NarrowWideFinance________RobotsMobilephones___________SpacerocketsMedicaloperationsMemoryTransistorsApplicationsCommunicationTrade1completely2completechange3tomakethingseasier4tofindtheanswerusingnumbers5canbemovedeasilyfromplacetoplace6toworkouttheanswertoaproblemtotallyrevolutionsimplifycalculatemobilesolveTask4Fillintheblanks.7totravelaroundanareatofindoutaboutit8completely9anyway10activityofmanagingmoneyexploretotallyanyhowfinanceThehistoryofcomputersthesecondgeneration(1956-1963)thethirdgeneration(1964-1971)thefourthgeneration(1971-)Thefirstgeneration(1945-1956)1.WhatisPC?Speakthenameonthewhole.Itmeans:personalcomputer.2.WhatisIT?InformationTechnology.3.WhatisCD-ROM?Compactdiscread-onlymemory.4.WhatisPDA?Personaldigitalassistant.5.WhatisW.W.W?Worldwideweb.6.科学技术。Scienceandtechnology.7.人工智能。Artificialintelligence.8.笔记本电脑。Notebookcomputer.9.Whowasthefirstpersontodevisethefirstcomputer?CharlesBabbageinventedanAnalyticalmachinein1822.10.Whowasthecomputers’realfather?AlanTuring.Readthepassageandthenfillinthechart.ReadingtaskonPage58RECORDCARDHUAFEIAbilityPerformancein78thOlympicsPrizewonPerformancein79thOlympicsReasonforfailureTreatmentExpertathighflyingexercises:OlympicstandardWonderfulturns,dives,circlesanddancesSilvermedalforhighflyingexercisesBeganverywellbutfailedthroughnofaultofhisownParachutefailedtoopen.Twonewlegsandanewbiggerhead1.incommon:fororbyallofagroup共同的；共有的；共用的thelandownedincommonbytheresidents居民共有的土地incommon常常同have连用，如：havenothingincommon无共同之处havelittleincommon几乎无共同之处Languagepointshavesomethingincommon有一些共同之处havealotincommon有许多共同之处以下是从英国国家语料库中选出来的几个例句:1)Youknow,Dorothy,youandIhaveonethingincommon．2)WejusthadnothingincommonandIcouldn'tcommunicatewithhisdullbusinessfriends．3)Isuddenlyfeltwehadalotincommon.2.calculatev.work(sth.)outbyusingnumberse.g.calculatethecostofsth.calculatorn.让我们一起回忆一下以or结尾的词吧：visitor,survivor,competitor3.analyticaladj.分析的,解析的analysevt.分析;研究analogyn.相似;类似analysisn.分析;研究analystn.分析家analyticadj.分析的;分解的4.artificialadj.人工的,人造的artificialflowers/limbs/pearls假花/假肢/假珍珠artificialintelligence人工智能5.Asaresult结果；终于；因此。[考例]MyfriendMartinwasverysickwithastrangefever;______,hecouldneithereatnorsleep.A.asaresultB.afterallC.anywayD.otherwise[点拨]考查短语辨析。asaresult结果；afterall毕竟；anyway不管怎样；otherwise否则。由句意可知要选asaresult。6.totallyadv.整个地;完全地totallyblind全盲totaladj.完全的;整个的totalsilence寂静无声intotal总共7.Overtimemymemoryhasdevelopedsomuchthat,...IneverforgetanythingIhavebeentold.[考点]so...that...引导结果状语从句。[考例2]Ihaven’tseenAnnfor______longthatI’veforgottenwhatshelookslike.A.suchB.veryC.soD.too[点拨]两题都考查so...that...的用法。8.AndmymemorybecamesolargethatevenIcouldn’tbelieveit!句型：so…that…如此……以致于……与too…to…句型的相互转换Andmymemorybecametoolargeformetobelieveit.egHeissooldthathecan’tcarrythebox.Heistoooldtocarrythebox.此结构中的that从句表示结果。Thestoneissoheavythatnoonecanliftit.比较:sothat既可以表结果,也可以表目的。so...that...结构的so+形容词/副词位于句首时,句子用倒装结构。Soharddoesheworkthatheseldomgoeshome.9.ButIwasalwayssolonelystandingtherebymyself,untilinearly1960stheygavemeafamilyconnectedbyanetwork.[点拨]until表示“直到……时”，在肯定句中，指从开始到结束的整段时间，谓语动词一般是延续性的。在否定句中构成not...until，意为“直到……才”，指到某一点动作才开始，谓语动词一般是非延续性的。其强调句是itis(was)notuntil...that...。当notuntil位于句首时，句子要进行倒装。如：Theexpertsexploredtheislanduntiltheendoflastyear.直到去年年底，专家们一直都在勘查这个小岛。Wedidn’tsolvetheproblemuntilMr.Smithhelpedus.直到史密斯先生帮助我们，我们才解决了那个问题。Itwasnotuntillastyearthatmyhopebecameareality.Notuntilnoondiditstopraining.10.Ihavealsobeenputintorobotsandusedtomakemobilephonesaswellashelpwithmedicaloperations.1)help(sb)withsth协助(某人)做某事e.g.Amanishelpingthepolicewiththeirenquiries.有一男子在协助警方进行调查。2)aswellas也，还，而且e.g.Hegrowsflowersaswellasvegetables.Sheisatale