高中英语pep英语必修2课件UNIT 3 Computers 课件.ppt

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1、WelcomeWhoamIIamanangelIamadreamIamloveIamaneedIamintelligenceIamstrengthIamhopeIamawishIamawonderIamamythIamamountainIamtheseaIambeautifulIammeIamayouthLet’senjoyabeautifulpoem!Iamamachine,whichyoucanusetotypeyourhomework,drawpictures,playgames,watchmovies,l

2、istentomusic,communicatewithyourfriends,gatherinformation…WhoamI?AcomputerGuessinggameUnit3ComputersWHOAMI?ReadingLearnsomewordsandexpressions.Knowaboutthedevelopmentofthecomputer.3.Developthestudents’readingskills.Learninggoals(学习目标)calculateanalyticalsimpli

3、fytechnologicalrevolutionv.计算adj.分析的vt.简化adj.科技的n.革命Importantwordsuniversalmathematicalpersonalartificialintelligenceanyhowadj.宇宙的adj.数学的adj.个人的adj.人造的n.智力adv.无论如何v.解决，解答n.晶体adv.完全地n.网络v.探索，探测人类solvetransistortotallynetworkexplorehumanraceReadingReadfastandan

4、swerthefollowingquestions:1.Whoisthespeaker?2.Whatdoyouthinkthetextisabout?Reading–IFastreading(2ms)Itisacomputer.Thehistory/developmentofcomputers.1.Whoisthespeaker?2.Whatdoyouthinkthetextisabout?Fillintheblankswithinformationfromthereading:Accordingtothetim

5、eReading–IICarefulreading(5ms)Trytoreadthefollowingphrases:calculatingmachine计算器analyticalmachine分析机universalmachine通用计算器artificialintelligence人工智能technologicalrevolution技术革命mathematicalproblems数学问题Timeline1642:_________________________________________1822:Th

6、eanalyticalmachinewasmadebyCharlesBabbage.1936:_______________________________________________________________________________________1940s:______________________________________________:Thefirstfamilyofcomputerswasconnectedtoeachother.1970s:_________________

7、________________________Now:Computersconnectpeopleallovertheworldtogether.ThecomputerbeganasacalculatingmachineAlanTuringwroteabookabouthowcomputerscouldbemadetoworkasauniversalmachine.Thecomputerhadgrownaslargeasaroom.1960sComputerswereusedinofficesandhomes.

8、Detailedreading(P19)(8ms)Paragraph1Paragraph2Paragraph3Topicsentenc-eSupport-ingdetailscalculatingmachinetubescommunicationsfinanceanalyticalmachineuniversalmachinePClaptoptransistorschip