B2Unit3课文理解.ppt

,Unit3ComputersPeriod1Warmingup,温馨提示,Passioncomesfirst!激情第一！,请拿出你的课本、课文理解导学案双色笔,【学习目标】1.掌握课文中的基础知识，提高分析句子成分和透彻理解课文的能力2.自主学习，合作探究，学会翻译和分析的方法。3.了解计算机的发展历程，激情投入课堂，享受学习的快乐。,Abacus算盘,AnabacusisanoldcalculatingmachineusedinChinauntilnow,Calculator计算器,Acalculatorisanewcalculatingmachinewhichcansolvealargenumberofmathematicalproblems.,Ahugecomputer,Ahugecomputerisbuilttosolvesomemathematicalproblems.Butitistoobig.,PCpersonalcomputer,APCisapersonalcomputerwhichcansolveallkindsofproblemsandisusedwidelynow.,Notebookcomputer=Laptop,Anotebookcomputerisakindofusefulcomputerwhichcanbetakenconvenientlylikeanotebook.,PDA(personaldigitalassistant),Robot=Android,Whatsnext?,workforusinMars(火星),Whatsnext?,carrythings,workinwars(战斗),Classstandardrequirement【大纲要求】Learnaboutthehistoryandbasicknowledgeofcomputers.了解计算机的历史以及计算机的一些基本知识,fashionable(时尚的）computers,thesecondgeneration(1956-1963),thethirdgeneration(1964-1971),thefourthgeneration(1971-),Thefirstgeneration(1945-1956),ComputerandInternet,typemyhomework,drawpictures,playgames,communicatewithmyfriends.,gatherinformationformylessons,listentomusic,watchmovies,TaskFastreading,1）Whatsthemainideaofthetext?A.Thecomputerwantstofind“whoheis”.B.Thefunctionalchangeofthecomputer.C.Thecomputerbecomespopulararoundtheworld.D.Thehistoryofthecomputer.2)Whatcanyouinferfromthetext?A.Thecomputerhasartificialintelligence.B.Thecomputerchangesalotovertheyears.C.Thecomputerwasnotconnectedbyanetworkuntilintheearly1960s.D.Nowthecomputercanonlybeusedtodealwithinformation.,D,B,3）In1936,AlanTuringwroteabookabout_.A.howtosimplifydifficultsumsB.howthecomputercouldbemadetoworkasa“universalmachine”C.howtobuildananalyticalmachineD.howtochangethecomputersshape4)WhydidItotallychangemyshape?A.BecauseIcoulddomanythings.B.BecauseIcouldsimplifysums.C.Becausemymemoryimproved.D.BecauseIneverforgotanything.5)Accordingtothelastparagraph,whichwasnotmentionedintheuseofthelastcomputer?A.MobilephonesB.RocketsC.BikesD.Robots,B,C,C,Cooperationanddiscussion合作探究5,PresentationandComment展示点评,PresentationandComment展示点评,TaskII1.与有共同之处2.作为开始3.如此以至于4.结果；因此5.解决问题6.从那时开始7.技术革命8.人工智能9.随着时间的流逝(2种)10.把按顺序排列,haveincommon,beginas,sothat,asaresult,solvetheproblem,fromon,technologicalrevolution,artificialintelligence,astimegoesby/overtime,putinorder,11.协助某人做某事12.在尺寸上13.简化麻烦的算术题14.高品质的生活15.与分享16.列出一个单子17.和比较18.提供给某人某物19.用连接20.很多新用途,helpsb.withsth.,insize,simplifysomedifficultsums,alifeofhighquality,sharesth.withsb.,workoutalist,comparewith,providesb.withsth.,beconnectedby,manynewapplications,Task3Carefulreading,TheanalyticalmachinewasmadebyCharlesBabbage.,1936,Computershadgrownaslargeasaroom.,1960s,Computerswereusedinofficesandhomes.,Computersconnectpeopleallovertheworldtogether.,Task:Readthetextandanswerthequestions:HowdidthecomputerworkasanAnalyticalMachine?2.Inhowmanywaysdowesaythecomputerchanged?Whatarethey?,Thecomputerfollowedinstructionsfromcardswithholes.,Size:Intelligence:Speed:Function:Peopleopinion:,smaller,cleverer,quicker,calculating,solveproblems,shareknowledgewithothersandmanynewapplications,clever&useful&helpful,3.Whoisthespeakerinthisstory?Writedownthreesentencesfromthestorytosupportyouridea.4Whatdoes“manynewapplications”inlastparagraphmean?,Acomputer.1)IwasbuiltasanAnalyticalmachinebyCharlesBabbage.2)Myrealfather,AlanTuring,3)Iwasalwayslonelystandingtherebymyself,untilinearly1960stheygavemeafamilyconnectedbyanetwork.,Itmeanssomenewpracticaluseofcomputer.,Task:Trytotranslatethesesentencesandanalyzethestructure.IdevelopedveryslowlyandittooknearlytwohundredyearsbeforeIwasbuiltasananalyticalmachinebyCharlesBabbage.2.Overtimemymemoryhasdevelopedsomuchthat,likeanelephant,IneverforgetanythingIhavebeentold!,我发育缓慢，差不多到了两百年之后，查尔斯巴比奇才把我制成了一台分析机。（and引导并列句）,随着时间的推移，我的记忆能力发展的如此之快，就像一头大象一样，从来不会忘记告诉我的任何事情。（sothat如此以至于，用来引导结果状语从句。）,3.ButIwasalwayssolonelystandingtherebymyself,untilintheearly1960s,theygavemeafamilyconnectedbyanetwork.4.In1936myrealfather,AlanTuring,wroteabookabouthowIcouldbemadetoworkasa“universalmachine”tosolveanydifficultmathematicalproblem.,但是我总是孤孤单单地站在那里，直到二十世纪六十年代初，人们才给了我一个用网络联成的家庭。（until引导的时间状语从句）,在1936年，我真正的父亲，艾伦图灵写了一本书，讲述了怎样使我成为一台“通用机器”来解决任何数学难题。(宾语从句，注意bemadeto的用法）,5.Ihavealsobeenputintorobotsandusedtomakemobilephonesaswellashelpwithmedicaloperations.,我还被放到机器人里面，被用来制作移动手机，并且用来帮助作医疗手术。（并列句，现在完成时被动语态）,6.翻译句子，并指出所运用的时态及语态。.自从这两兄弟建立起组织之后，超过5,000辆二手自行车被回收起来。（collect）.在过去的十年里，这个城镇被地震袭击了两次。(hit),Morethan5,ooousedbikeshavebeencollectedsincethetwobrotherssetuptheorganization.(现在完成时被动语态）,Overthepasttenyears,thistownhasbeenhittwicebyearthquake.(现在完成时被动语态）,Retellthestorybyfillingthefollowingpassage.Ibeganasa_machinein1642.Ittooknearlytwohundredyears_Iwasbuiltasananalyticalmachine.Ibecamea“universalmachine”in1936to_anymathematicalproblem.Iwasverybigatonetime.However,astime_,Iwasmadesmallerandsmaller.Iwasgivenafamily_byanetworkintheearly1960s.Iwasableto_myknowledgewithothers_theWorldWideWeb.,calculating,before,solve,wentby,connected,share,through,Ihavebeenwidelyusedinmanyfields,suchasincommunication,_,tradeandmedical_.Ihavealsobeenputintorobotsandspacerocketsto_theMoonandMars.ImgladIamadevotedfriendandhelperofthehumanrace.,finance,op