高一英语下册computers课件

Unit 3 Computers,period 1 warming up and listening,A toy?,A handbag?,Computers,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 dont like me now. Do you know who I am?,abacus,Riddles(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?,calculator,Riddles(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 enough for you to take me with you.,notebook computer,Do you know who I am?,Riddles(谜语):,A huge computer,A PC,the history of the computer,Palmtop,How much do you know 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?,monitor,screen,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,1.Besides computer, what else can we get information from?,Pre-listening:,Information Technology,2.Which is more useful, a TV or a radio? why?,3.What can we do with a computer?,Computer and Internet,type my homework,draw pictures,play games,communicate with my friends.,gather information for my lessons,listen to music,watch movies,Listen to the tape and answer the following questions.,1.What kinds of IT are mentioned in the passage?,Computers, books, radios and TVs.,2.Which kind of IT is the best one.,Computer,Listen to the tape again and fill in the chart:,You can both listen and_.,You cant write to friends.,Watch a _, write to _, and _ what is going on in the world.,Very_ and too big to _ everywhere. The information is sometimes not _.,listen to _.,You cant watch a film.,A _ way to get _, cheap and _ to take.,Sometimes it is_,out of date.,English,watch,film,find out,friends,wonderful,information,easy,carry,correct,expensive,Post-listening:,Do you think the computer really helps to your study? Why?,I think thatIn my opinionI believe thatI agree becauseI disagree because,Giving an opinion:,Make good use of it but never get trapped by it.,words and expression,MathematicalCalculator (n.)ITPCIn my opinion,Vt.,Calculate,Information Technology,Personal Computer,TIPS,Some words on the Internet:,Homework,1.预习unit3的reading部分(写在预习本上)2.书P56的EX1和P57的EX2(上)3.阅读导与测p184.复习第一二单元.,typewriter,projector,video game player,drawing board,USeful expressions, I think that In my opinion, I believe that I agree because I disagree because,Giving an opinion,Reasoning,Discussion: Is it very important to learn computer skills for us? Why or why not?,Discussion,Is 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?,You are given a chance to de