文库精品文档人教版高一英语必修二教案《Unit3Computers》.docx

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1、人教版高一英语必修二教案《Unit3Computers》教案【一】　　教学准备　　教学目标　　1.topractiselisteningcomprehension.　　2.topractisemakingdecisionsandreasoning　　教学重难点　　1.topractiselisteningcomprehension.　　2.topractisemakingdecisionsandreasoning　　教学工具　　课件　　教学过程　　step1.revision　　1.checkthehomewor

2、kexercises.　　1).ithasbeenreportedthatchildrenwillbeofferedfreeeducation.　　ithasbeenreportedthatfreeeducationwillbeofferedtochildren.　　2).ithasbeensaidthatwewillbeofferedthelatestcomputersciencecoursebook.　　ithasbeenplannedthatthelatestcomputersciencecourseboo

3、kwillbeofferedtous.　　3).ihavebeentoldbypeterthatiwillbelenthisnotebookcomputerforaweek.　　ihavebeentoldbypeterthathisnotebookcomputerwillbelenttomeforaweek.　　2.question:whatcancomputersbeusedas?　　step2.lead-in　　asweknow,scienceandtechnologyisdevelopingveryfast

4、andcomputershavebecomesmallerandsmaller.theyhavebeenusedinmanyfields.so,the21stcenturyisthecenturyofinformationtechnologywhatdoesitmean?doesinformationtechnology/itonlymeanthingslikecomputers?ofcausenot.actually,itmeansmorethancomputers.computersarejustonekin

5、dofit.whatelsedoyouknowispartofit?　　(tv,radio,cd-rom,dvd,books……)　　step3.listening(sb)　　1.pre-listening:whatarethechangesbroughtbydifferentformsofit?　　whataretheadvantagesanddisadvantagesofthem?　　2.while-listening:　　gothroughthechartandmakesurethestudentslook

6、atthechartbeforetheylistentothetape.(thisistosharpentheirattentionandlistenfortheanswers.thiswillalsohelpthemgetthegistofthetext.)thenlistentothetapeandfinishfillinginthechart.(ifnecessary,playthetapeforseveraltimes.)　　say:afterlisteningtotheirtalk,weknowallk

7、indsofithavebothdisadvantagesandadvantages.let’schecktheanswerstogether.　　typeofitadvantagesdisadvantages　　tvyoucanbothlistenandwatch.youcannotwritetofriends.　　webyoucanfindinformation.itisveryexpensive.　　radioyoucanlistentoenglish.youcannotwatchafilm.　　booky

8、oucangetinformation.sometimesitisoutofdate.　　3.post-listening:　　1)(pairwork):decidewhichtypeofitisbestforyoutouserightnow.makeyourchoiceandgiveyourreasonsbyusingthefollowingexpressions.