牛津英语8A Chapter 4阅读课件.ppt

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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