课件23张PPT。Unit 3 computerA 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 computer
laptopDo you know who I am?Riddles(谜语):Give the English name of the
following pictures of the
computer components (组件)How much do you know
about a computer???
What is it in English??Main board(主板)What is it in English??CPU (central processing Unit)
中央处理器hard discKeyboard (键盘)What is it in English??monitorscreenmouse
鼠标DVD ROMfloppy discUSB flash discMP3 playerspeaker1243561. monitor 2. screen 3. CD-ROM
4. mouse 5. keyboard 6. hard diskLabel each part1 A monitor is
2 The screen is
3 A keyboard is
4 A mouse is
5 A CD-ROM is
6 A hard disk is (a) the part of a computer that stores information.
(b) the part of the computer that you type on.
(c) the part of the computer that looks like a television
(d) something you use to click on things (files, etc.).
(e) the part of the monitor that you look at.
(f) The main device that a computer uses to store information.Match the words with their meanings.What’s next?1.Besides computer, what else can we get information from?Pre-listening:Information Technology1.What does IT include?Computers, books, radios and TVs.2.What is the most popular form of IT?booksListen to part A and answer the following questions.Computer and Internet type my homeworkdraw picturesplay gamescommunicate with my friends.gather information for my lessonslisten to musicwatch movies……Post-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.TIPSSome words on the Internet: