全单元教案2 必修2 第三单元.pdf

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

2、oolsinthefuture?”Step3Askthemtoworkingroupsandtomakealistofthepossiblechangestheycanthinkof．Step4Whenmostofthegroupshavetheirlistsready,theteachercanholdaclassdiscussion．Writedownthemajorchangesthestudentsthinkofunder/besidethediagram．Theteachercanaddoneortwochangesthatmayaffecttheirownteac

3、hing．Forexample,“ComputersandtheInternetcanhelpbusyparentscontactteachersbyemail．”Step5Theteachercanendthetaskwithabriefsummary,orholdafurtherdiscussiontofindoutstudents'personalopinionsaboutthechanges．Forexample,askthem,“Doyoulikeallthesechanges?Whyandwhynot?Whatchangesdoyoulike/dislike?”二

4、、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.booksandclothes．□listentomusic．□watchmovies．2．Whatels

5、edoyouthinkthecomputerandInternetwillhelpyoutodo?────────────────────────────────────────────________________________________________________________________3．Whichpart（s）ofthecomputerdoyouthinkneed（s）moreimprovement?Why?YoucanuseExercise1intheWorkbook（p56）asreferenceforthepartsofthecompute

6、r．──────────────────────────────────────────────────────────────────────────────────────────────（二）测试性评价Explainhowthecomputertechnologyhasbeendevelopingandcompletetheflowchartbelow．Thengiveabrieforalpresentationonthedevelopmentofcomputertechnologywiththehelpofthechart．Whenyou'repreparingit,

7、youcanrefertothereadingpassageonPage18oftheStudent'sBook．Youroralpresentationwillbelessthanthreeminutes．Thenwriteashortpassagebasedonyouroralpresentation.三、补充注释1．incommon:fororbyallofagroup共同的；共有的；共用的。thelandownedincommonbytheresidents居民共有的土地。incommon常常同