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时间:2020-07-07
《必修2 Unit3 Computers全单元教案.doc》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、Unit3ComputersPeriod1:Listening&SpeakingGOALS:1.Topractiselisteningcomprehension.2.Topractisemakingdecisionsandreasoning TEACHINGPROCEDURES:Step1.revision1.checkthehomeworkexercises.1).Ithasbeenreportedthatchildrenwillbeofferedfreeeducation.Ithasbeenreportedthatf
2、reeeducationwillbeofferedtochildren.2).Ithasbeensaidthatwewillbeofferedthelatestcomputersciencecoursebook.Ithasbeenplannedthatthelatestcomputersciencecoursebookwillbeofferedtous.3).IhavebeentoldbyPeterthatIwillbelenthisnotebookcomputerforaweek.IhavebeentoldbyPete
3、rthathisnotebookcomputerwillbelenttomeforaweek.2.Question:Whatcancomputersbeusedas?Step2.Lead-inAsweknow,scienceandtechnologyisdevelopingveryfastandcomputershavebecomesmallerandsmaller.Theyhavebeenusedinmanyfields.So,the21stcenturyisthecenturyofinformationtechnol
4、ogyWhatdoesitmean?Doesinformationtechnology/ITonlymeanthingslikecomputers?Ofcausenot.Actually,itmeansmorethancomputers.ComputersarejustonekindofIT.WhatelsedoyouknowispartofIT?(TV,radio,CD-ROM,DVD,books……)Step3.Listening(SB)1. Pre-listening:Whatarethechangesb
5、roughtbydifferentformsofIT?Whataretheadvantagesanddisadvantagesofthem?2.While-listening:Gothroughthechartandmakesurethestudentslookatthechartbeforetheylistentothetape.(Thisistosharpentheirattentionandlistenfortheanswers.Thiswillalsohelpthemgetthegistofthetext.)Th
6、enListentothetapeandfinishfillinginthechart.(Ifnecessary,playthetapeforseveraltimes.)Say:Afterlisteningtotheirtalk,weknowallkindsofIThavebothdisadvantagesandadvantages.Let’schecktheanswerstogether.TypeofITAdvantagesDisadvantagesTVYoucanbothlistenandwatch.Youcanno
7、twritetofriends.WebYoucanfindinformation.Itisveryexpensive.RadioYoucanlistentoEnglish.Youcannotwatchafilm.BookYoucangetinformation.Sometimesitisoutofdate.3.Post-listening:1)(pairwork):decidewhichtypeofITisbestforyoutouserightnow.Makeyourchoiceandgiveyourreasonsby
8、usingthefollowingexpression_r_rs. Ithinkthat…. Inmyopinion,…. Ibelievethat…. Iagreebecause…. Idisagreebecause…. I’vedecidedthat….2)(groupwork):Discussion
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