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ID:49636863
大小:6.85 MB
页数:23页
时间:2020-02-26
《牛津英语8A Chapter 4阅读课件.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Question:Howmanyelectricmachinesarethereinyourhome?Whatkindofmachinesusescomputers?Doyouhaveacomputerathome?Isituseful?Whatdidyouseeinthepictures?Chapter4ComputertechnologyReadingdrivesCD-ROMDVD-ROMmonitorflashdiskmousekeyboardmainunitearphonesspeakersGroupWork:Whatdoweusecomputertodo
2、?SendE-mailWorkbuythingsgetnewsListentomusicplaycomputergamesWhatwillwelearntoday?Pleasefindthetitlesandobservethepicturesofthethreeparts.Part1Title:HiddenhelpersComputerscanhelpus,buttheyhideinthemachines.GroupDiscussion:Whatwillwelearntoday?Part2Title:Whatkindofjobscanacomputerdo?Ope
3、rationGroupDiscussion:Whatwillwelearntoday?Part3Title:IsacomputerclevererthanIam?MaybeGroupDiscussion:P44ExerciseBLookandthinkLookatthetitlesandthepictures.Thendiscussthefollowingstatementswithapartnerandcorrectanymistakes.Computers…1areinsidemanymachinesinourhome.2candoimportantjobsli
4、keflyingplanes.3arealreadyclevererthanpeople.PairWorkWhatwillthepassagetellusabout?Part1Whydowecallcomputers“Hiddenhelpers”?Becausetheyaresotiny,sometimeswemightbeunawareofthem.(2)Accordingtothepassage,wheredotheyhide?TheyhideinsideaTVset,telephoneorwashingmachine.(GroupDiscussion)Wha
5、twillthepassagetellusabout?Part2Whatkindofjobscanacomputerdo?Computercan:CalculateType,printanddrawTeachyouandplaygameswithyou.Operaterailways,flyplanesandspaceships.(GroupDiscussion)Whatwillthepassagetellusabout?Part3Isacomputercleverthanhumanbeing?Why?Forthetimebeing,whatistheanswe
6、rtothisquestion?Why?Willcomputersbecleverthanhumanbeingsinthefuture?Why?Willwehavenothingtodointhefuture?(GroupDiscussion)Matchthearticlesandthemainideas.HiddenhelpersWhatkindsofjobscanacomputerdo?IsacomputercleverthanIam?Therearemanysmallcomputersinsideeverydayappliancesinyourhome,bu
7、tyoumightnotknowaboutthem.Computersareelectronicbrains.Theycandomanyjobs.Atpresent,thehumanbeingisclevererthanthecomputer,butthismaychange.(GroupDiscussion)Guessthemeaningofthewords.(1)Therearealsotinyhiddencomputersinyourhome,butyoumightbeunawareofthem.Therearemanylargecomputersinyo
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