1、Unit 3 Computers The technology develops so quickly that many new things appear in human beings life.Lets guess what they are:notebook computer InternetHI-TECHmp3 playerradioHI-TECHmobile phoneTV setrefrigeratorair-conditionerplanecardigital camerarobotiphonestudent1student2student3Do you have a com
2、puter?What do you do with the computer?How often do you surf on net?Four students in a group:Warming up II(4m)keyboardmousemonitorscreenspeaker host computermouse monitordo the word processing keyboardPre-reading I(1m)What do they have in common?An abacusA calculatorA PCA notebook computer desktopno
3、tebookLCD computerpalmtopWhat can we do on a computer and through the Internet?Computer and Internet type my homeworkdraw picturesplay gamescommunicate with my friends.gather information for my lessonslisten to musicwatch moviesother useful words and expressions about computerNetwork 网络Website站点Prog
4、ram程序Virus病毒Hacker 黑客Download 下载Software 软件Hardware 硬件Up load 上传Home page 主页Password密码Desk top 桌面User name 用户名Click 点击Something to think about:Topic The Internet Advantages:Disadvantages:Post reading(5m)Advantages and disadvantagesvAdvantagesvE-mail vAccess Information vShopping:vOnline Chat vDownloading Software vDisadvantagesvExpensivevWaste of timevAddict to the gamesvNot close to the people aroundvPersonal Information
