高中英语 M2 unit3 Computers 课件 新人教必修2.ppt

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1、Warming upWarming up Unit3 Unit3 ComputersComputers Warming up Warming up Speaking Speaking&Writing&Writing2021/8/11 星期三1Follow me:Your gift:laptop(笔记本笔记本垫垫/电电脑脑)2021/8/11 星期三2Whats next?What do they have in common?2021/8/11 星期三3What is a computervA tool or a machinevNeed electricityvBe used to deal

2、 with datasvComputers are machines that can be used for performing calculations automatically.They can perform complex and repetitive procedures quickly,precisely and reliably and can quickly store large amounts of data.2021/8/11 星期三4CD/DVD-ROMCRT monitorLCD monitorLCD monitorCPUhard disc/diskchips/

3、motherboard2021/8/11 星期三5keyboardmousemodemfloppy discUSB flash disc2021/8/11 星期三61243561.monitor 2.screen 3.CD-ROM4.mouse 5.keyboard 6.hard diskLabel each part2021/8/11 星期三71 A monitor is2 The screen is3 A keyboard is4 A mouse is5 A CD-ROM is6 A hard disk is (a)the part of a computer that stores in

4、formation.(b)the part of the computer that you type on.(c)the part of the computer that looks like a television(d)something you use to click on things(files,etc.).(e)the part of the monitor that you look at.(f)The main device that a computer uses to store information.Match the words with their meani

5、ngs.2021/8/11 星期三8other useful words and expressions about computerNetwork 网络网络Website站点站点Program程序程序Virus病毒病毒Hacker 黑客黑客Download 下载下载Software 软件软件Hardware 硬件硬件Up load 上传上传Home page 主页主页Password密码密码Desk top 桌面桌面User name 用户名用户名2021/8/11 星期三9What can we do with computer/internet?school workgamesemail

6、smusic and filmschatinformationphotosshoppingInternet2021/8/11 星期三10Ask and answer questions in groups.functions1.use computer for school work2.play games on the computer3.send emails to friends4.surf the Web for fun5.download music and films6.chat online7.search for information 8.look at photograph

7、s9.do shopping onlineHow do you use computers and the Internet?B/HBH?Why?2021/8/11 星期三11vWe can not only teach ourselves better but improve our learning efficiency.vSome students think of it a way of relaxing,even some of them consider playing computer games can raise their speed of thoughts.But if

8、we cannot control ourselves properly,we will be lost in it,which can bring us much suffering.2021/8/11 星期三12be lost in/be addicted to（对（对上瘾）上瘾）2021/8/11 星期三13For us students,is computer more beneficial or more harmful?Computer,Friend or EnemyPara1:Brief introduction of Internet and peoples daily lif

9、e.(Nowadays,Internet is around every corner of our daily life./The past few years has seen the fast development of Internet which has influenced our daily life)2021/8/11 星期三14Para2:Some people consider it as a friend,why?Para3:Other people treat it as an enemy,why?Para4:What is your opinion?What attitude should we have towards Internet?2021/8/11 星期三15Useful Sentences vI think thatvIn my opinionvI believe thatvIt is computer thatvUse properly2021/8/11 星期三162021/8/11 星期三172021/8/11 星期三18