高中英语 unit 3 computers listening & speaking教案 新人教版必修2

《高中英语 unit 3 computers listening & speaking教案 新人教版必修2》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、Unit3ComputersThe4thperiod:Listening&SpeakingGOALS:1.Topractiselisteningcomprehension.2.TopractisemakingdecisionsandreasoningTEACHINGPROCEDURES:Step1.revision1.checkthehomeworkexercises.1).Ithasbeenreportedthatchildrenwillbeofferedfreeeducation．Ithasbeenreported

2、thatfreeeducationwillbeofferedtochildren．2).Ithasbeensaidthatwewillbeofferedthelatestcomputersciencecoursebook．Ithasbeenplannedthatthelatestcomputersciencecoursebookwillbeofferedtous．3).IhavebeentoldbyPeterthatIwillbelenthisnotebookcomputerforaweek．Ihavebeentold

3、byPeterthathisnotebookcomputerwillbelenttomeforaweek．2.Question:Whatcancomputersbeusedas?Step2.Lead-inAsweknow,scienceandtechnologyisdevelopingveryfastandcomputershavebecomesmallerandsmaller.Theyhavebeenusedinmanyfields.So,the21stcenturyisthecenturyofinformation

4、technologyWhatdoesitmean?Doesinformationtechnology/ITonlymeanthingslikecomputers?Ofcausenot.Actually,itmeansmorethancomputers.ComputersarejustonekindofIT.WhatelsedoyouknowispartofIT?(TV,radio,CD-ROM,DVD,books……)Step3.Listening(SB)1.Pre-listening:Whatarethechange

5、sbroughtbydifferentformsofIT?Whataretheadvantagesanddisadvantagesofthem?2.While-listening:Gothroughthechartandmakesurethestudentslookatthechartbeforetheylistentothetape.(Thisistosharpentheirattentionandlistenfortheanswers.Thiswillalsohelpthemgetthegistofthetext.

6、)ThenListentothetapeandfinishfillinginthechart.(Ifnecessary,playthetapeforseveraltimes.)Say:Afterlisteningtotheirtalk,weknowallkindsofIThavebothdisadvantagesandadvantages．Let’schecktheanswerstogether.TypeofITAdvantagesDisadvantagesTVYoucanbothlistenandwatch．Youc

7、annotwritetofriends．WebYoucanfindinformation．Itisveryexpensive．RadioYoucanlistentoEnglish．Youcannotwatchafilm．BookYoucangetinformation．Sometimesitisoutofdate．3.Post-listening:1)(pairwork):decidewhichtypeofITisbestforyoutouserightnow.Makeyourchoiceandgiveyourreas

8、onsbyusingthefollowingexpressions.Ithinkthat….Inmyopinion,….Ibelievethat….Iagreebecause….Idisagreebecause….I’vedecidedthat….2)(groupwork):Discussion:Computersareusefu