computer(海南省三亚市)

课件29张PPT。Unit 3 Computersperiod 1 warming up and listeningA toy?A handbag?ComputersRiddles(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 PCthe history of the computerPalmtop 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 discWhat is it in English??Keyboard (键盘)What is it in English??monitorscreenWhat is it in English??mouse 鼠标DVD ROMmonitor screen mouse keyboard hard disk DVD-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 Technology2.Which is more useful, a TV or a radio? why?3.What can we do with a computer?Computer and Internet type my homeworkdraw picturesplay gamescommunicate with my friends.gather information for my lessonslisten to musicwatch 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 can’t 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 can’t watch a film.A _____ way to get _____, cheap and _____ to take.Sometimes it is_____out of date.Englishwatchfilmfind outfriendswonderfulinformationeasycarrycorrectexpensivePost-listening: Do you think the computer really helps to your study? Why?I think that… In my opinion… I believe that… I agree because… I disagree because…Giving an opinion:Make good use of it but never get trapped by it.words and expressionMathematical Calculator (n.) IT PC In my opinionVt.CalculateInformation TechnologyPersonal ComputerTIPSSome words on the Internet:Homework1.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p18 4.复习第一二单元.typewriterprojectorvideo game playerdr ... ...