人教版高中英语必修2《unit 3 computers》教案

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1、★精品文档★人教版高中英语必修2《Unit3Computers》教案　　教学准备　　教学目标　　1.Topractiselisteningcomprehension.　　practisemakingdecisionsandreasoning　　教学重难点　　1.Topractiselisteningcomprehension.　　practisemakingdecisionsandreasoning　　教学工具　　课件　　教学过程　　Step1.revision　　1.checkthehomeworkexercises.　　1).Ithas

2、beenreportedthatchildrenwillbeofferedfreeeducation.　　Ithasbeenreportedthatfreeeducationwillbeofferedtochildren.　　2).Ithasbeensaidthatwewillbeofferedthelatestcomputersciencecoursebook.　　Ithasbeenplannedthatthelatestcomputersciencecoursebookwillbeofferedtous.2016全新精品资料-全新公文范

3、文-全程指导写作–独家原创15/15★精品文档★　　3).IhavebeentoldbyPeterthatIwillbelenthisnotebookcomputerforaweek.　　IhavebeentoldbyPeterthathisnotebookcomputerwillbelenttomeforaweek.　　2.Question:Whatcancomputersbeusedas?　　Step2.Lead-in　　Asweknow,scienceandtechnologyisdevelopingveryfastandcomput

4、ershavebecomesmallerandsmaller.Theyhavebeenusedinmanyfields.So,the21stcenturyisthecenturyofinformationtechnologyWhatdoesitmean?Doesinformationtechnology/ITonlymeanthingslikecomputers?Ofcausenot.Actually,itmeansmorethancomputers.ComputersarejustonekindofIT.Whatelsedoyouknow

5、ispartofIT?　　(TV,radio,CD-ROM,DVD,books。)　　Step3.Listening(SB)　　1.Pre-listening:WhatarethechangesbroughtbydifferentformsofIT?　　Whataretheadvantagesanddisadvantagesofthem?　　2.While-listening:2016全新精品资料-全新公文范文-全程指导写作–独家原创15/15★精品文档★　　Gothroughthechartandmakesurethestudentslo

6、okatthechartbeforetheylistentothetape.(Thisistosharpentheirattentionandlistenfortheanswers.Thiswillalsohelpthemgetthegistofthetext.)ThenListentothetapeandfinishfillinginthechart.(Ifnecessary,playthetapeforseveraltimes.)　　Say:Afterlisteningtotheirtalk,weknowallkindsofIThave

7、bothdisadvantagesand’schecktheanswerstogether.　　TypeofITAdvantagesDisadvantages　　TVYoucanbothlistenandwatch.Youcannotwritetofriends.　　WebYoucanfindinformation.Itisveryexpensive.　　RadioYoucanlistentoEnglish.Youcannotwatchafilm.　　BookYoucangetinformation.Sometimesitisoutofda

8、te.　　3.Post-listening:　　1)(pairwork):decidewhichtypeofITisbestforyoutouserightnow.Makeyou