2019-2020年高中英语Unit3Computer第1学时Warmingupandreading学案新人教版必修2.doc

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1、2019-2020年高中英语Unit3puter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.Iamamachinewhichmovesveryfastonfourwheels.Youneedalicense(

2、执照)andmustbeverycarefulwhenyoudriveme.RollsRoyce,BenzandBMWaresomefamouskindsofme.Iamamachinewhichisagoodhelperindoinghousework.Iwashclothesforpeople.WhoamI?Amachinethatyouusetotalktootherpeopleeveninafar-awayplace.Weareconnectedbywireorradio.Noweachofusoftenhasanumber.WhoamI?Itisamachi

3、ne,whichyoucanusetotypeyourhomework,drawpictures,playgames,watchmovies,listentomusic,municatewithyourfriends,gatherinformation…Itisakindofputerwhichcanbetakenconvenientlylikeanotebook.Discussing:Whatdotheyhaveinmon?(TVset)(Car)(washingmachine)(telephone)(puter)(laptop)Period1:Warmingupa

4、ndSkimmingStep1.Pr-reading1.Makeasurveyon“whatdoyouuseputerfor?”amongyourclassmatesandwritedowntheresults.__________________________________________________________________________________________________________________________________________Step21.Findouttheanswer‘WhoamI?____________

5、_________________________________________________2.What’sthemainideaofthetext?_____________________________________________________________Step3Fast-reading1FinishEx.1onpage191642:_____________________________________1822:TheAnalyticalMachinewasmadebyCharlesBabbage.____:________________

6、_______________1940s:______________________________________:Thefirstfamilyofputerswasconnectedtoeachother.1970s:_________________________________Now:_____________________________________Step4.ReadthepassageandfindoutthetopicsentenceofeachparagraghParagraph1Paragraph2Paragraph3Step5.Deba

7、teTopicTheInternetAdvantages:Disadvantages:Step7.Homework:Reviewthepassage.Findoutthenewwordsanddifficultexpressions.〖学习反思〗KEY:Step1.(略)Step2.1.puter2ThedevelopmentanduseofputersStep3:1642Theputerbeganasacalculatingmachine．1822TheAnalyticalMachinewasmadebyCharlesBabbage.1936Ala