高中英语 Unit3 Computer第1学时Warming up and reading学案 新人教版必修2.doc

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1、广东省惠州市惠东县惠东荣超中学高中英语Unit3Computer第1学时Warmingupandreading学案新人教版必修2〖单元导航〗Let'sdoaguessinggame.“WhoamI?”Withmeyoucanwatchdifferentprogrammesjustathome.I’mamachinethathasascreenwithmovingpicturesandsounds.Butwatchingmetoomuchisbadforyoureyes.Iamamachinewhichmo

2、vesveryfastonfourwheels.Youneedalicense(执照)andmustbeverycarefulwhenyoudriveme.RollsRoyce,BenzandBMWaresomefamouskindsofme.Iamamachinewhichisagoodhelperindoinghousework.Iwashclothesforpeople.WhoamI?Amachinethatyouusetotalktootherpeopleeveninafar-awayplace.

3、Weareconnectedbywireorradio.Noweachofusoftenhasanumber.WhoamI?Itisamachine,whichyoucanusetotypeyourhomework,drawpictures,playgames,watchmovies,listentomusic,communicatewithyourfriends,gatherinformation…Itisakindofcomputerwhichcanbetakenconvenientlylikeano

4、tebook.Discussing:Whatdotheyhaveincommon?(TVset)(Car)(washingmachine)(telephone)(Computer)(laptop)Period1:WarmingupandSkimmingStep1.Pr-reading1.Makeasurveyon“whatdoyouusecomputerfor?”amongyourclassmatesandwritedowntheresults.______________________________

5、____________________________________________________________________________________________________________Step21.Findouttheanswer‘WhoamI?_____________________________________________________________2.What’sthemainideaofthetext?__________________________

6、___________________________________Step3Fast-reading1FinishEx.1onpage191642:_____________________________________1822:TheAnalyticalMachinewasmadebyCharlesBabbage.____:_______________________________1940s:______________________________________:Thefirstfami

7、lyofcomputerswasconnectedtoeachother.1970s:_________________________________Now:_____________________________________Step4.ReadthepassageandfindoutthetopicsentenceofeachparagraghParagraph1Paragraph2Paragraph3Step5.DebateTopicTheInternetAdvantages:Disadvan

8、tages:Step7.Homework:Reviewthepassage.Findoutthenewwordsanddifficultexpressions.〖学习反思〗KEY:Step1.(略)Step2.1.Computer2ThedevelopmentanduseofcomputersStep3:1642Thecomputerbeganasacalculatingmachine．1822TheAnalyticalMac