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ID:49961845
大小:3.64 MB
页数:26页
时间:2020-03-05
《高中英语 unit3 computers warming up and reading课件 新人教版必修2.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Unit3WarmingupandreadingComputersTeachingaimsanddemands:Thisunitisconcernedwithteachingstudentsalittlemoreofthehistoryanddevelopmentofcomputersandtheirapplications.HelpstudentstoexpresstheirownopinionsinEnglish.Teachthemhowtomakedecisionsandreasoning.Learntointrod
2、ucesomethingintimesequence.Teachthemhowtousesomeofthewordsandexpressionsintheunit.LearntouseThePresentPerfectPassiveVoice.WarmingupLookatthepictures.Talkabouteachofthem.Discusswhattheyhaveincommonbyusingthefollowingexpressioninyourdiscussion.Ithinkthat…Inmyopinion
3、…Ibelievethat…Whydoyouthinkso?What’syourreason?abacushugecomputercalculatorpersonalcomputernotebookcomputerPre-readingWhatdoyouknowaboutcomputers?2.Howhavecomputerschangedourlives?ThinkingAnabacusisanoldcalculatingmachineusedinChinauntilnow.Ahugecomputerisbuilttos
4、olvesomemathematicalproblems.Butitistoobig.Acalculatorisanewcalculatingmachinewhichcansolvealargenumberofmathematicalproblems.APCisapersonalcomputerwhichcansolveallkindsofproblemsandiswidelyusednow.Anotebookcomputerisakindofusefulcomputerwhichcanbetakenconvenientl
5、ylikeanotebook.Howwassomuchinformationgiveninsuchashortspace?Whatdoyouthinkisthetoneofthewriting?DiscussionHowwassomuchinformationgiveninsuchashortspace?Thewritingisclearanddoesnotwastewords.Therearenodescriptions.Itjustgivesusfacts.Itusesnamesbutitonlytellsusabou
6、tpeople’sworkwithcomputers.Itiswritteninthefirstpersonbutitkeepswiththefacts.Itiswrittenasifthewriterwasacomputerwithnofeelings.Suggestedanswer:2.Whatdoyouthinkisthetoneofthewriting?Itisnaturalandmakesmewanttofindoutmore.Idonotthinkthewritingistryingtopersuademeto
7、believesomethingbutitdoesmakemeinterestedinthetopic.Fastreading1Whathappenedtoyouin1822?2Wherewereyouin1642?3Whatwereyoucalledin1936?4Whathappenedtoyouinthe1970s?InFrance.IwasbuiltasanAnalyticalMachinebyBabbage.Auniversalmachine.Iwasbroughtintopeople’shomes.Trueor
8、False?In1642Ibeganasacalculatingmachineandcouldsolveanymathematicalproblem.MyrealfatherwasCharlesBabbage,whowroteabookandbuildmein1936.AfterIgotmynewtra
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