人教版必修二 Unit3computersReading课件.ppt

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1、Withthedevelopmentofscienceandtechnology,manynewthingsappearinhumanbeing’slife.Let’sguesswhattheyare:1.Withmeyoucanwatchdifferentprogrammesjustathome.I’mamachinethathasascreenwithmovingpicturesandsounds.Butwatchingmetoomuchisbadforyoureyes.TVsetWhoAmI2.Iamamachinewhichmovesveryfastonf

2、ourwheels.Youneedalicense(执照)andmustbeverycarefulwhenyoudriveme.RollsRoyce,BenzandBMWaresomefamouskindsofme.carWhoAmI3.Iamamachinewhichisagoodhelperindoinghousework.Iwashclothesforpeople.washingmachineWhoAmI4.Amachinethatyouusetotalktootherpeopleeveninafar-awayplace.Weareconnectedbywi

3、reorradio.Noweachofusoftenhasanumber.telephoneWhoAmI5.Itisamachine,whichyoucanusetotypeyourhomework,drawpictures,playgames,watchmovies,listentomusic,communicatewithyourfriends,gatherinformation…ComputerWhoAmI6.itisakindofcomputerwhichcanbetakenconvenientlylikeanotebook.laptopWhoAmIdri

4、vesmonitorkeyboardMainunit/hostmousespeakersDoyouknowthem?CD-ROMsequipmenttermsusedoncomputersandtheinternethardwaresoftwarehostoutputprogramsmemorydrivesdesk-topcomputerbusinesscomputerdigitalmovie硬件软件主机输出程序内存储器驱动器台式计算机商务计算机数字影像beonline,ontheinternetdownloadfilessendandreceivee-mailw

5、ebfansInternetsitese-mailboxelectronicmail(e-mail)LocalAreaNetworkloginlogoutnetizen网吧网虫上网，在线下载文件收发邮件网迷网址电子邮件电子邮件箱局域网登陆注销网民Iamaonehundredpercentnetworm,becauseInearlystayinthenetbarmorethan8hourseveryday.我平均每天都要在网吧里呆上8个小时以上，是个不折不扣的网虫。netbarnetwormWhatdoyouusecomputersfor?searchfor…see

6、movieslistentomusicreadbooksandmagazinessendemailstofriendsdownloadmusicandfilmsbuythingsonlineplaygamesonthecomputerdrawpictureslookatphotographsonthecomputeruseacomputerforschoolworktakepartinchatgroupsoperaterailways(liketheunderground)“electronicbrains”flyplanesandspaceshipsPDAaba

7、cuscalculatorhugecomputerPClaptopWhat’snext?Canyoutellthedevelopmentofcomputers?robotPre-readingWhoamReadingLearningaims:1.通过学习本单元，使学生了解计算机的发展历史及其在当今社会的广泛应用.2.学习和掌握一些关于电脑的表达和词汇。3.学生可以用英语表达自己的观点并进行简单的理由阐述.1.Inthepassage,“I”refersto_________.2.thetopicsentenceofeachparagraph.ParagraphI:

8、parag