新人教版高一英语必修二 Unit3 Computers-Reading.ppt课件.ppt

Unit3Computers,keyboard,mouse,monitor,screen,speaker,hostcomputer,Whatdotheyhaveincommon?,Anabacus,Acalculator,Adesktop,Anotebookcomputer,digitalcamera,alaptop,palmtop,Reading:WhoamI?,Listentothetapeandanswerthesequestions.,2Whowasthefirstpersontoinventtheearliestcomputer?3Whowasthenextimportantpersontodesigncomputers?,CharlesBabbage,AlanTuring,1WhoamI?,Acomputer.,timeline,1642:Thecomputerbeganasacalculatingmachine.1822:theAnalyticalMachinewasbuiltbyCharlesBabbage.1936:AlanTuringwroteabooktodescribehowcomputercouldbemade.1960s:Computerhadnewtransistorsandbecamesmaller.1970s:Computerswerebroughtintopeopleshomes.Now:Computersconnectpeopleallovertheworldtogether.,Scanning,Calculatingmachine,Computer,Internet,Analyticalmachine,Artificialintelligence,Universalmachine,Thedevelopmentofcomputers:,Usefulphrases,calculatingmachineAnalyticalmachinecardwithholestechnologicalrevolutionuniversalmachineartificialintelligencegobybyinternethumanrace,计算器分析机穿孔卡技术革命万能机,通用机器人工智能走过，过去通过网络人类,Thedevelopmentofcomputers:,Calculatingmachine,Analyticalmachine,Universalmachine,Artificialintelligence,Computer,Internet,Intensivereading:Underlinethephraseswe_toeachotherataninternationalconference.AareintroducedBhavebeenintroducedCwereintroducedDhadbeenintroduced2Haveyouever_totheexhibitionwhich_forthreeweeks?Agone;hasbeenshownBvisited;shownCbeen;hasbeenonshowDwent;lasted3Theboywhomyoulentthebiketo_byacar.AhitBbehitChavingbeenhitDwashit4IwanttobuythatkindofclothbecauseI_thecloth_well.Ahavetold;washedBhavebeentold;washesCwastold;washedDhavebeentold;iswashed,B,C,D,B,5ThemayorofBeijingsaysallconstructionworkfortheBeijingOlympics_by2006.AhasbeencompletedBhascompletedCwillhavebeencompletedDwillhavecompleted6Thebridge_awaybyfloodsandthefields_bywater.Ahadbeenwashed;werecoveredBhasbeenwashing;iscoveredChadbeenwashed;hadcoveredDhasbeenwashed;iscovering7IthasdecidedthatwellgoonastudytriptoLondonnextsummer.8Howlonghasthisbookbeenbought?,C,A,Ithasbeendecided,Howlongagowasthisbookbought?,Usingstructures,Ithasbeenreportedthatchildrenwillbeofffreeeducation.Ithasbeenreportedthatfreeeducationwillbeofferedtochildren.Ithasbeensaidthatwewillbeofferedthelatestcomputersciencecoursebook.Ithasbeenplannedthatthelatestcomputersciencecoursebookwillbeofferedtous.IhavebeentoldbyPeterthatIwillbelenthisnotebookcomputerforaweek.IhavebeentoldbyPeterthathisnotebookcomputerwillbelenttomeforaweek.,Translation,1Thistype/kindsofcomputerhasbeenspeciallydesignedforteachersandstudents.2Theneedsoftheteachersandstudentshavebeengreatlyconsidered.3Withthehelpofcomputer,youmaynotfindithardtodealwithandshareinformation.4Besides,youcaneasilycommunicatewithpeopleallovertheworldbyInternet.5Thiswillcostalotofmoney,butafterall,itisworthbuying