人教版英语必修2第三单元warming up and reading 课件.ppt

Unit3Computer,Basedonthisvideo,theresahugepossibilitythatonedaycomputerswithextremelyhighartificialintelligencewilldestroyhumanraceandtakechargeoftheworld.Doyouagree?,Theywereinventedtohelppeoplecalculatesumsinordertosimplifymathematicalproblems.,knot,abacus,calculator,Intheearlydays,Overtime,theyhavebecomeprogrammedandmoreadvanced.Someofthemcaneventhinklogicallylikehumans!,PersonalComputer,Laptop,Astimewentby,PersonalDigitalAssistant,Class1/4,WhoAmI?,AComputer,TopicSentences,Para.1,Para.2,Para.3,OvertimeIhavebeenchangedalot.,Thesechangesonlybecamepossibleasmymemoryimproved.,Sincethe1970smanynewapplicationshavebeenfoundforme.,Mainideaofthewholetext,Ittalksaboutthe_,the_andthe_ofcomputers.,history,development,applications,Thetimeline,1642,Thecomputerbeganasacalculatingmachinetosimplifysums.,1822,1936,1940s,1960s,1970s,now,Thecomputerhadgrownaslargeasaroom.,TheanalyticalmachinewhichcanthinklogicallywasmadebyCharlesBabbage.,technologicalrevolution.fromthenonTheuniversalmachinegrowbothinsizeandbrainpower.,Astimewentby,computersweremadesmaller.,PC(personalcomputer),laptop,Whatmadeitpossiblethatcomputersbecamesmaller?,Thememoryimproved,asaresult,computersaretotallychanged.,tubes,transistors,chips,network,WorldWideWeb,Sincethe1970smanynewa_havebeenfoundforme.Ihavebecomeimportantincommunication,f_andtrade.Ihavealsobeenputintor_andusedtomakem_phonesaswellashelpwithm_operations.Ihavebeenputintospacer_andsenttoe_theMoonandMars.Anyhow,myg_istoprovidehumanswithalifeofhighq_.Iamnowtrulyfilledwithh_thatIamad_friendandhelperofthe_.,pplications,inance,obots,obile,edical,ockets,xplore,oal,uality,appiness,evoted,humanrace,Applications,Doesthecomputerbringpeoplecloserorfurther?,Phrases,共同的简化难的数学题技术革命人工智能解决问题从.时起在体积方面迅速增大(时间)流逝结果.如此.以致于与.分享也充满幸福感人类,incommonsimplifydifficultsumstechnologicalrevolutionartificialintelligencesolvetheproblemfrom.ongrowrapidlyinsizegobyasaresultso.thatsharewithaswellasbefilledwithhappinesshumanrace,Sentences,1.经过一段时间，我已经改变了很多。,2.过了差不多200年，查尔斯巴比奇才把我制成了分析机器。,_time,I_quitealot.,Over,havebeenchanged,Ittooknearlytwohundredyears_IwasbuiltasananalyticalmachinebyCharlesBabbage.,before,3.从那时候起，我在体积和脑容量方面迅速成长。,_Igrewrapidlybothinsizeandinbrainpower.,fromthenon,4.我不知道是否还会长得更大。,I_Iwouldgrow_larger.,wondered,if/whether,any,5.随着时间的推移，我被弄得越来越小。,_,Iasmadesmaller.,