unit 3 computers教案

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1、Unit3Computers教案第/二
教　　Unit3Computers　　The4thperiod:Listening&Speaking　　GOALS:　　1.Topractiselisteningcomprehension.　　2.Topractisemakingdecisionsandreasoning　　TEACHINGPROCEDURES:　　Step1.revision　　1.checkthehomeworkexercises.　　1).Ithasbeenreportedthatchildrenwillbeofferedfree

2、education．　　Ithasbeenreportedthatfreeeducationwillbeofferedtochildren．　　2).Ithasbeensaidthatwewillbeofferedthelatestcomputersciencecoursebook．　　Ithasbeenplannedthatthelatestcomputersciencecoursebookwillbeofferedtous．　　3).IhavebeentoldbyPeterthatIwillbelenthisnotebookcomputer

3、foraweek．　　IhavebeentoldbyPeterthathisnotebookcomputerwillbelenttomeforaweek．　　2.Question:Whatcancomputersbeusedas?　　Step2.Lead-in　　Asweknow,scienceandtechnologyisdevelopingveryfastandcomputershavebecomesmallerandsmaller.Theyhavebeenusedinmanyfields.So,the21stcenturyisthecen

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

5、ethechangesbroughtbydifferentformsofIT?　　Whataretheadvantagesanddisadvantagesofthem?　　2.While-listening:　　Gothroughthechartandmakesurethestudentslookatthechartbeforetheylistentothetape.(Thisistosharpentheirattentionandlistenfortheanswers.Thiswillalsohelpthemgetthegistofthete

6、xt.)ThenListentothetapeandfinishfillinginthechart.(Ifnecessary,playthetapeforseveraltimes.)　　Say:Afterlisteningtotheirtalk,weknowallkindsofIThavebothdisadvantagesandadvantages．Let’schecktheanswerstogether.　　TypeofITAdvantagesDisadvantages　　TVYoucanbothlistenandwatch．Youcanno

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

8、ingthefollowingexpressions.　　Ithinkthat….　　Inmyopinion,….　　Ibelievethat….