高中英语人教版必修二Unit3Reading课件.ppt

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1、Unit3ComputersCanyougiveustheEnglishnamesofacomputercomponents(组件)?Tips:1.Wecanuseacomputerto…2.Itismadeupofsomeparts,suchas…keyboard键盘mouse鼠标monitor显示器screen屏幕speaker音响host主机componentsofacomputermainboard(主板)CPU(centralprocessingunit)中央处理器RAM(随机存储器)(RandomAccessMemor

2、y)WhatisitinEnglish??Powersupply(电源)WhatisitinEnglish??displaycard显卡WhatisitinEnglish??screenkeyboardmousemonitorDVD-ROMharddisk1.thepartofthecomputerthatlookslikeatelevision2.thepartofthemonitorthatyoulookat3.somethingyouusetoclickonthings(files,etc.)4.thepartoftheco

3、mputerthatyoutypeon5.thepartofacomputerthatstoresinformation6.thepartofcomputerthatwecanputaCDinMatchComputerandInternettypemyhomeworkdrawpicturesplaygamescommunicatewithmyfriends.gatherinformationformylessonslistentomusicwatchmovies……Doyouthinkthecomputerreallyhelpst

4、oyourstudy?Why?Ithinkthat…Inmyopinion…Ibelievethat…Iagreebecause…Idisagreebecause…Givinganopinion:Makegooduseofitbutnevergettrappedbyit.ConclusionThereisnodoubtthatcomputerhastwosides,too.Ifwemakegooduseofit,itwillmakeourlivesmorecolorfulandconvenient.Butdon’tloseyour

5、selfinplayingcomputers.Justremember:Keepfit,studywellandworkhard.WHOAMI?ReadingIamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculating(计算)inthepast,butnowIamabitlonelybecausetheydon’tlikemenow.DoyouknowwhoIam?abacusRiddles(谜语)Iamverysmall.Icanbeusedforcalculating

6、.InChina,alotofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculatorIamverybig.Scientistsusemetosolvesomemathematicalproblems.hugecomputerDoyouknowwhoIam?PCPersonalComputerI’masmall,relativelyinexpensivecomputerdesignedforanindividualuser.I’mbasedont

7、hemicroprocessortechnology.Athome,peopleusemetosurftheInternetandplaygames.DoyouknowwhoIam?Icanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.Doyouk

8、nowwhoIam?laptoprobotI’mamachinethatworksautomatically.Icandoawidevarietyoftasks,especiallysuitablefordoingjobstooboring,dif