新课标必修2Unit3unit3computers教案.doc

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1、Unit3Computers一、拓展性教学活动Step1DrawontheblackboardadiagramtoillustratetheinfluenceofthecomputerandtheInternetovertheschooleducation．Belowisadiagramyoumayliketouse．Step2Askstudentstolookatthediagramandconsider,”WhatchangeshavecomputersandtheInternetbroughttoschools?Whatchangeswillth

2、eybringtoschoolsinthefuture?”Step3Askthemtoworkingroupsandtomakealistofthepossiblechangestheycanthinkof．Step4Whenmostofthegroupshavetheirlistsready,theteachercanholdaclassdiscussion．Writedownthemajorchangesthestudentsthinkofunder/besidethediagram．Theteachercanaddoneortwochangest

3、hatmayaffecttheirownteaching．Forexample,“ComputersandtheInternetcanhelpbusyparentscontactteachersbyemail．”Step5Theteachercanendthetaskwithabriefsummary,orholdafurtherdiscussiontofindoutstudents'personalopinionsaboutthechanges．Forexample,askthem,“Doyoulikeallthesechanges?Whyandwh

4、ynot?Whatchangesdoyoulike/dislike?”二、自我评价建议（一）非测试性评价1．TowhatextentarethecomputerandInternetbecomingpartofyourlife?Iusethecomputerand/orInternetto:□typemyhomework．□drawpictures．□playgames．□communicatewithmyfriends．□gatherrelatedinformationformylessons．□buythethingsIlike,e.g.books

5、andclothes．□listentomusic．□watchmovies．2．WhatelsedoyouthinkthecomputerandInternetwillhelpyoutodo?────────────────────────────────────────────________________________________________________________________3．Whichpart（s）ofthecomputerdoyouthinkneed（s）moreimprovement?Why?YoucanuseE

6、xercise1intheWorkbook（p56）asreferenceforthepartsofthecomputer．──────────────────────────────────────────────────────────────────────────────────────────────（二）测试性评价Explainhowthecomputertechnologyhasbeendevelopingandcompletetheflowchartbelow．Thengiveabrieforalpresentationonthedev

7、elopmentofcomputertechnologywiththehelpofthechart．Whenyou'repreparingit,youcanrefertothereadingpassageonPage18oftheStudent'sBook．Youroralpresentationwillbelessthanthreeminutes．Thenwriteashortpassagebasedonyouroralpresentation.三、补充注释1．incommon:fororbyallofagroup共同的；共有的；共用的。thelan

8、downedincommonbytheresidents居民共有的土地。incommon常常同