OnlinetoursComicstrip&WelcometotheunitUnit3牛津譯林版八年級英語下冊通過本課時的學習，學生能夠：1.

掌握電腦主要部件的英文名稱。2.使用正確的表達談論電腦的基本用途。3.初步培養正確使用電腦的意識。Learningobjectives重點重點Acomputer.Playaguessinggame

Itknowsalmosteverything.

ItlookslikeaTV.

Youcanuseitto

listentomusic,watchmoviesand

chatwithfriends.Whatisit?Whatdoyouknowaboutacomputer?ThinkandsayscreenkeyboardmainunitCD-ROMdrivespeakermouse…

Look,thinkandmatchLookatthepictureofthedifferentpartsofacomputer.mousemainunitkeyboardscreenWhatdopeopleusuallyusecomputersfor?listentomusicreceive/sendemailswatchTVsearchforinformation…Lookandanswerdowordprocessingprogram(編寫程序)LookandpredictWhatareEddieandHobotalkingabout?Listenandanswer1.Whatdo

EddieandHobothinkthecomputerlookslike?

TheythinkitlookslikeaTV.2.Dotheyknowanythingaboutcomputers?

No,theydon’t.3.Whatdotheythinkthemouseis?

Theythinkitisaremotecontrol.4.Whatdotheywanttousethemousetodo?

Theywanttouseittochangethechannel.ReadandfillEddieandHoboknow1.________aboutcomputers.Hobothinksthecomputerlookslikeatelevision.Eddie2._______withHoboandhethinksthe3._______istheremotecontrol.Theywanttouseitto4._______thechannelbecausetheprogrammeis5._______.nothingagreesmousechangeboringRole-playWorkinpairs.OneactsasEddie.TheotheroneactsasHobo.DoyouthinkEddieandHoboknowthecomputerwell?FreetalkWhatdoyouusuallyuseyourcomputerfor?Whatdoyouthinkofcomputers?

ListenandfillWhoSimonWhat…forWhyHowoftentosearchforinformationfastandeasyalmosteverydaySimonandDanielarealsotalkingaboutthedifferentusesofcomputers.Daniel:

Whatdoyouusuallyuseyourcomputerfor?Simon:

Iusuallyuseittosearchforinformation.Daniel:

Why?Simon:

Becauseit’sfastandeasy.Daniel:Howoftendoyouuseyourcomputerforthis?Simon:Almosteveryday.Ifyouanswerwhatyouuseacomputerfor,youcansay:Ifyouwanttoknowhowpeopleusecomputersfor,youcanask:

ReadandcircleIfyouwanttoknowthefrequency(頻率)peopleusecomputers,youcanask:Whatdoyouusuallyuseyourcomputerfor?Iusuallyuseittochatwithmyfriends.Why?Because……Howoftendoyouuseyourcomputerforthis?AskandanswerWorkinpairstotalkabouttheusesofyourcomputers.HaveadiscussionComputersplayanimportantpartinourdailylives.Advantages1.It’sfastandeasyforpeopletosearchforinformation.2.Peoplecankeepintouchwithfriendwiththeemails,Wechat,QQetc.…Disadvantages1.Somepeoplespendtoomuchtimeoncomputers.Itisbadfortheireyes.2.Somestudentsarecrazyaboutcomputergames.Theyevendon’twanttogotoschool.…Canyoulistsomeadvantagesanddisadvantagesofcomputers?DoasurveySupposeyouareareporter.Youareinterviewingyourgroupmembersaboutwhattheyusecomputersfor.Thenfillintheform.NameWhatdoeshe/sheusethecomputerfor?Whydoeshe/sheusethecomputertodothat?Howoftendoeshe/shedothat?OpinionReportInourgroup,Sallyusuallyuseshercomputertosendandreceiveemails.Becauseitishelpfulforhertokeepintouchwithherfriends.She…IthinkSallyuseshercomputerinarightway.Summaryprogramme,keyboard,unit,mouse,screen,receive1.Whatdoyouusuallyuseyourcomputerfor?2.Iusuallyuseittosearchforinforma