Unit3OnlineToursOnlineToursPeriod1WelcometotheunitcomputersFreetalkFreetalkDoyouhaveacomputerathome?Whatcanyoudowiththecomputer?Howmanypartsarethereinacomputer?Whatiseachpartcalled?Doesithavemoreuses(用途)?Whatcanweuseitfor?screenscreenmainunitmainunitkeyboardkeyboardmousemousemicemiceCD-ROMdrive光驱CD-ROMdrive光驱printerprintermodem调制解调器modem调制解调器USBdriveUSBdrivespeakerspeaker['mədem]ʊmenu（菜单）program(程序)icons(图标)illintheblanks.A__________isusedfortypingnformationintocomputer.A_______isusedformovingtheursor(光标)onthescreen.A_______isusedforputtingthewordsndpicturesontopaper.keyboardmouseprinter4.Programmers(程序员)design_______________tocontrolcomputers.5.Wecanseewordsandpicturesonthe_______.6._______showsalistofinformationandletsyouchoosewhattodo.programsscreenMenuA:What’sthis?B:It’sakeyboard.A:Whatcanweuseitfor?B:Wecanuseitfortyping.keyboard(type)screen(seewordsandpictures)mouse(clickoniconsformoredetails)printer(printwordsandpicturesout)Practice:Differentusesofcomputersdrawanddesignsearchforinformationdowordprocessingplaygameswritecomputerprogramssendandreceivee-mailschatwithfriendswatchvideos/TVprogrammesListenandanswer.WhatdoesSimonusuallyusehiscomputerfor?Why?Heusuallyusesittosearchforinformation.Becauseit’sfastandeasy.Workinpairs.UseDanielandSimon’sconversationasamodel.It’stimeforyourturn!Pairwork:A:Whatdoyouuseyourcomputertodo/for?B:Iusuallyuseitto/for….A:Why?B:A:Howoften…?B:….….(interesting/fast/easy/funny/safe/cheap…)DoEddieandHoboknowwellaboutcomputers?Listen,readandanswer:1.HaveHoboandEddieeverseenacomputer？No,theyhaven’t.2.WhatdoEddieandHobothinkthecomputerlookslike?TheythinkitlookslikeaTV.3.Doyouknowwhat‘theremotecontrol’reallyis?Itisamouse.FillintheblanksFillintheblanksEddieandHoboknow1.(everything,nothing)aboutcomputers.Hobothinkstheomputerlookslikea2..EddieagreeswithHoboandhethinksthemouseisthe3.rc.Theywanttousethemouseto4.thechannelbecausetheprogrammebegananhour5.a.nothingTVemoteontrolchangegoWeshouldmakegooduseof(合理利用)computers.Donotspendtoomuchtimeoncomputers,especiallytheonlinegames!!!It’sharmfultooureyes,health,study..Itcoststoomuchmoney..DiscussionWritingWriteaboutadvantagesanddisadvantagesofusingcomputers.Computersarewidelyusedinourmodernlife.Itcanhelpusalotinmanyways.……However,……Ithink……
