8B_Unit3_welcome-公开课(.ppt

1、Welcome to the unit,Unit 3 Online travel,永城市第三中学 杨淑华,教学目标,了解并掌握电脑主要部件的英文名称。 能用英语谈论电脑的不同用途。,Do you know every part of computers ?Lets learn it!,screen,main unit,keyboard,mouse,Task 1: Study new words,screen,main unit,keyboard,mouse,mice,What part else do you know,CD-ROM drive 光驱,printer,modem 调制解调器,U

2、SB drive,speaker,mdem,Lets play a guessing game,8,speaker,re you ready?,keyboard,mouse,screen,main unit,printer,USB drive,Task2:The use of different parts of computer:,1. You use this set of keys for typing（打字）.,2. You can use it to make the sound louder and more clearly.,3. You can move（移动） it with

3、 your hand to move the cursor（光标）on the screen.,4. You can see words and pictures on it.,5. A machine（机器） that puts your words and pictures onto paper.,keyboard,screen,speaker,printer,mouse,Task3: Talk about different uses of computers,What can you use a computer for? to do? I use it to (do) for (do

4、ing),search for information,send and receive emails,do word processing,_,_,_,收发电邮,搜索信息,做文字处理,draw and design chat with friends send and receive e-mailsmake flash write computer programsmake a homepage word processing watch films search for information teach and learn play gamesdownload shop onlinere

5、ad e-book listen to music ,Read them,Task4: Make up a dialogue,A: What do you usually use your computer for? B: I usually use it for/to. A: Why? B: Because. A: How often do you use your computer for this? B: .,Exercises 1 根据汉语提示完成单词,1. Shes _(收到) lots of cards recently. 2. The _(键盘) cost him 30 yuan

6、. 3.This lesson includes four _(单元).,received,keyboard,units,4.We can use computers for_ (查信息) 5.We can use computers to_ (收发电子邮件).,send and receive emails,searching for information,Task5:Discuss,2.Should we keep away from computers? Why? Or why not?,1.Are computers harmful or useful to us ?,Please

7、check whether what these says is T or F?,1. Doing too much computer work is bad for eyes. 2. If you spend too much time playing games on the computer, youll have little time to study. 3. We can use computers for helping our study. 4. Some e-friends may tell you lies. They are not your true friends.

8、5. Some people may cheat(欺骗）you online. You may easily lose your money or something else. 6.Computers are useful in our daily lives.,Conclusion(结论）:,We should make good use of computers and at the same time, we should be careful enough to keep away from its harmful ways.,Homework,1.Write a passage a

9、bout the good points and the bad points of computer. 2. Do Part 1,Unit 3 in the workbook.,1. Do Eddie and Hobo know well about computers?,2. What do Eddie and Hobo think the computer look like?,Listen & answer,1. Do Eddie and Hobo know well about computers?,No, they dont.,2. What do Eddie and Hobo t

10、hink the computer look like?,They think it looks like a TV.,Listen & answer,Read after the tape,Find out new words,Act it out,Practice with your partners,Fill in the blanks,Eddie and Hobo know 1. (everything,nothing) about computers. Hobo thinks the,computer looks like a 2. . Eddie agrees,with Hobo and he thinks the mouse is the,3. r c . They want to use the,mouse to 4. the chann