高中英语Unit3computers课件新人教版必修2 课件VIP免费

A toy?A handbag?Riddles( 谜语 ): I am very old now. I was born in China. Many people used me for calculating in the past, but now I am a bit lonely because they don’t like me now. Do you know who I am?abacusRiddles( 谜语 ): I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems. Do you know who I am?calculatorRiddles( 谜语 ): I can be used for calculating. Besides, I can also be used for watching DVD, sending e-mail and communicating through the Internet. However, I am not a PC, because I’m small enough for you to take me with you.notebook computerDo you know who I am?Riddles( 谜语 ): A huge computerA PCPalmtop How much do you know How much do you know about a computer???about a computer???Give the English name of the following pictures of the computer components ( 组件 ) What is it in English??Main board( 主板 ) What is it in English??CPU (central processing Unit)中央处理器 What is it in English??hard disc What is it in English??Keyboard ( 键盘 ) What is it in English??monitorscreen What is it in English??mouse鼠标 DVD ROM monitorscreen mouse keyboard hard diskDVD-ROM(1) the part of the computer that looks like a television.(2) the part of the monitor that you look at.(3) something you use to click on things (files, etc.)(4) the part of the computer that you type on.(5) the part of a computer that stores information.(6) The part of computer that we can put a CD in.Work out the names Computer and Internet type my homeworkdraw picturesplay gamescommunicate with my friends.gather information for my lessonslisten to musicwatch movies…… words and expression• Mathematical• Calculator (n.)• IT• PC• In my opinionVt. CalculateInformation TechnologyPersonal Computer TIPSTIPSSome words on the Internet:netizen 网民Net surf 网络漫游computer virus 计算机病毒 cyber 计算机的，网络的browse 浏览cyberspace 网络空间scroll 滚动显屏access charge 接入费cursor 光标BBS 公告板服务 backer 黑客chat room 聊天室click 点击 Homework1. 预习 unit3 的 reading 部分 2. 复习第一二单元 . Computers can be used as…..typewriterprojectorvideo game playerdrawing board ☻ I think that…☻ In my opinion, …☻ I believe that…☻ I agree because…☻ I disagree because…Giving an opinionReasoning Discussion: Is it very important to learn computer skills for us? Why or why not?DiscussionIs it very important to learn computer skills for us? Why or why not?Use the following expression in your discussion.I think that ……In my opinion …I believe that …What’s your reason?Why do you think so? You are given a chance to design a computer for yourself.Draw a picture about it and describe(描述 ) what functions it has.You will be asked to introduce( 介绍 ) your computer. (appearance &functions)