高中英语Unit3computers课件新人教必修2.ppt

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1、2021/8/11 星期三1A toy?A handbag?ComputersRiddles(谜语谜语):2021/8/11 星期三2 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):2021/8/11 星期三3 I am very sma

2、ll.I can be used for calculating.In China,a 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):2021/8/11 星期三4 I can be used for calculating.Besides,I can also be used for watching DVD,sending e-mail and communicating through th

3、e Internet.However,I am not a PC,because Im small enough 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):2021/8/11 星期三5A huge computerA PCthe history of the computerthe history of the computerPalmtop 2021/8/11 星期三6How much do you know about a comp

4、uter?Give the English name of the following pictures of the computer components(组件组件)2021/8/11 星期三7What is it in English?Main board(主板主板)2021/8/11 星期三8What is it in English?CPU(central processing Unit)中央处理器中央处理器2021/8/11 星期三9What is it in English?hard disc2021/8/11 星期三10What is it in English?Keyboar

5、d(键盘键盘)2021/8/11 星期三11What is it in English?monitorscreen2021/8/11 星期三12What is it in English?mouse鼠标鼠标2021/8/11 星期三13DVD ROM2021/8/11 星期三14monitorscreen 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 y

6、ou 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 2021/8/11 星期三15Computer and Internet type my homeworkdraw picturesplay gamescommun

7、icate with my friends.gather information for my lessonslisten to musicwatch movies2021/8/11 星期三16words and expressionMathematicalCalculator(n.)ITPCIn my opinionVt.CalculateInformation TechnologyPersonal Computer2021/8/11 星期三17TIPSTIPSSome words on the Internet:netizen 网民网民Net surf 网络漫游网络漫游computer v

8、irus 计算机病毒计算机病毒cyber 计算机的，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backer 黑客黑客chat room 聊天室聊天室click 点击点击2021/8/11 星期三18Homework1.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.2021/8/11 星期三19Computers can be used Computers can be used as.as.typewr

9、iterprojectorvideo game playerdrawing board2021/8/11 星期三20USeful expressionsUSeful expressions I think that In my opinion,I believe that I agree because I disagree becauseGiving an Giving an opinionopinionReasoningReasoning2021/8/11 星期三21Discussion:Is it very important to learn computer skills for u

10、s?Why or why not?DiscussionDiscussionIs 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 Whats your reason?Why do you think so?2021/8/11 星期三22You 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)Group work2021/8/11 星期三232021/8/11 星期三24