高中英语Unit3computers课件新人教版必修2.ppt

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1、A toy?A handbag?Riddles(谜语谜语): 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 dont like me now. Do you know who I am?Do you know who I am?abacusRiddles(谜语谜语): I am very small. I can be used for calculating. In China, a

2、lot of students use me when solving mathematical problems. Do you know who I am?Do you know who I am?calculatorRiddles(谜语谜语): 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 Im small e

3、nough for you to take me with you.notebook computerDo you know who I am?Do you know who I am?Riddles(谜语谜语):A huge computerA PCPalmtop Give the English name of the following pictures of the computer components (组件组件)What is it in English?Main board(主板主板)What is it in English?CPU (central processing U

4、nit)中央处理器中央处理器What is it in English?hard discWhat is it in English?Keyboard (键盘键盘)What is it in English?monitorscreenWhat is it in English?mouse鼠标鼠标DVD ROMmonitorscreen 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

5、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 Work out the names Computer and Internet type my homeworkdraw picturesplay gam

6、escommunicate with my friends.gather information for my lessonslisten to musicwatch movieswords and expression Mathematical Calculator (n.) IT PC In my opinionVt. CalculateInformation TechnologyPersonal ComputerSome words on the Internet:netizen 网民网民Net surf 网络漫游网络漫游computer virus 计算机病毒计算机病毒cyber 计算

7、机的，网络的计算机的，网络的browse 浏览浏览cyberspace 网络空间网络空间scroll 滚动显屏滚动显屏access charge 接入费接入费cursor 光标光标BBS 公告板服务公告板服务 hacker 黑客黑客chat room 聊天室聊天室click 点击点击 Homework1.预习预习unit3的的reading部分部分 2.复习第一二单元复习第一二单元.Computers can be used Computers can be used asas. .typewriterprojectorvideo game playerdrawing board I thin

8、k that In my opinion, I believe that I agree because I disagree becauseGiving an Giving an opinionopinionReasoningReasoning Discussion: Is it very important to learn computer skills for us? Why or why not?DiscussionDiscussionIs it very important to learn computer skills for us? Why or why not?Use th

9、e following expression in your discussion.I think that In my opinion I believe that Whats 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(描述描述) what functions it has.You will be asked to introduce(介绍介绍) your computer. (appearance &functions)