2. Unit3 Online tours Welcome to the unit!

3. 学习目标： 1. 了解并掌握电脑主要部件的英文名称。 2. 能拥英语谈论电脑的基本用途。 3. 理解漫画内容。

4. Last summer holiday,I flew to Dalian,and took some photos like the left one.I spent 7 days there.It cost me more than RMB 10 ， 000. Last night, I got some photos of Disney Land.I spent less than 1 second. They cost me nothing. How can I get the photos? Do you know?

5. Task1 ： Learning about computers screen main unit keyboard mouse

6. 选择 mouse ， keyboard,screen 或 main unit 填空 1.A __________ is used for typing information into computer. 2. A _______ is used for moving the cursor （光标） on the screen. 3.The __________ is the heart of the computer. 4.We can see words and pictures on the _______. keyboard mouse main unit screen 达标检测 ( 一 )

7. I usually use it to chat with friends. What do you use the computer for? Task 2:the uses of computer

8. I usually use it to search for information. What do you use the computer for?

9. I usually use it to do word processing What do you use the computer for?

10. I usually use it to send and receive emails. What do you use a computer for?

11. I usually use it to watch videos. What do you use a computer for?

12. I usually use it to play games. What do you use the computer for?

13. Practice: A:What do you use your computer for? B:I usually use it to …

14. Make up a dialogue A: What do you usually use your computer for? B: I usually use it to… A: Why? B: Because… A: How often do you use your computer for this? B: …

15. What does it look like? Is it a remote control? No, it is a mouse remote control

16. Read and answer the questions: 1.Have Hobo and Eddie ever seen a computer ? No, they haven’t. Because they think it looks like a television. 2.What’re the differences between the mouse and the remote control? The mouse is used for the computer, and the remote control is used for the TV. Task 3 :Understand the comic strip

17. 朗读漫画并找出下列短语： 1. 看起来像一台电视 2. 我同意你的意见 3. 遥控器 4. 换频道 look like a TV I agree remote control change the channel

18. Complete the passage : Eddie and Hobo know (1)_______ about computers.Hobo thinks the computer (2) ________ a TV.Eddie (3) ______ with Hobo and he thinks the mouse is the (4) _________.They want to use the mouse to (5) ______________ because the programm(6) _______ an hour ago. nothing looks likeagrees remote control change the channel began 达标检测 ( 二）

19. 达标检测 ( 三）：完成下列句 1 ） We can use computers to ______________________ ( 查找信息 ). 3 ） We can use computers to______________________ ( 收发电子邮件 ). 4We can use computers to________________ ( 文字处理 ) 5 ） We can use computers for_____________( 和朋友聊天 ) 6 ） We can use computers for_______________( 观看录像 ). 7) It ______________ ( 看起来像 ) a television. search for information receive and send emails do word processing chat with friends watching videos looks like

20. To talk about different uses of computers in pairs.