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1、Unit3ComputersUsinglanguage必修21.The21stcenturywillbethecenturyofInformationTechnology.Beforeyoulisten,discussinpairswhatITconsistsof.computersandMp5,TV,camera,radio…Listeningandspeaking2.Listentothewholetextandwritedownthemainideainonesentence.Twostudentsaretalkingaboutinformatio
2、ntechnology.3.ListentoPartAandfillinthechart.PartAWhatdoesITinclude?WhatisthemostpopularformofIT?computers,books,radioandTVbooksListentoPartBandfillinthechart.PartBWhichformofITdecidestheskillsofasportbest?WhichformofIThasthemostfunctions?TVComputersWhatisinformationtechnology?L=
3、LauraD=DavePartAD:Hi,Laura.It’sgoodtoseeyoubecauseI’msobored.MyhomeworkisaboutInformationTechnologybutIknoweverythingthereistoknowaboutIT.LISTENINGTEXTL:Comeoffit,Dave.IthinkImightknowmorethanyou.D:OK.Letmetestyou!Here’sthefirstquestion.What’sinformationtechnology?L:Gosh,that’sea
4、sy!It’scomputers,ofcourse.D:Ah!That’sjustwhereyou’rewrong.Itincludesbooks,radioandTVaswell.L:Really!Well,Inever.D:Questionnumber2.WhichisthemostpopularformofITintheworld?L:Well,thatmustbecomputersthistime.D:No,it’sbooks.Thinkofallthosepeopleindevelopingcountrieswithoutcomputers.T
5、heironlyformofITisbooks!L:Ohdear!I’mnotdoingverywell.PartBD:Here’sthethirdquestion.WhichformofITisthebestfordescribingtheskillsofasport?L:Itmustbetheradio.D:Actually,it’snot.ThebestdescribingareontheTVbecauseyoucannotonlyhearthetechnicallanguage,butalsoseehowithappens.L:Goodness!
6、Wrongagain!D:Here’sthelastquestion?WhichformIThasthemostfunctions?L:ThistimeImustberight.It’sthecomputer,ofcourse.D:Yes.Youcanwatchafilm,replayamatch,communicatewithfriendsthroughtheInternet,getinformationandfindoutwhat’sgoingonintheworld.L:Ohdear!Threequestionswrongoutoffour.Per
7、hapsIdon’tknowasmuchaboutITasIthoughtIdid!Theadvantage/disadvantageis…Ithink/don’tthinkthat…GivemeyourreasonsWhatmakesyouthinkso?Ithink…becauseof…Let’sdecide…As/Since…,Ithink…Iagree/don’tagree…because…First…Second…Ibelievethat…I’vedecidedthat…Let’smakeadecision4.Whataretheadvanta
8、gesanddisadvantagesofeachformofIT?Typeof
