Learning about Language优质课一等奖教案

Unit3 computers 1. Teaching aim:

Talking about the advantages and disadvantages of computers. 2. Teaching important points:

(1) Learning some words and phrases of computers.

(2) Learning to use the following sentence structures

to make sentences.

a. We can...on the computer.

b. Using computer can ... .

c. Using computer is … .

Step1.Lead-in Please answer the following

questions 1. Do you like computers? 2. What can we do on the computers? 3. Do computers have only advantages (好处，优点)?

advantage 好处，优点

disadvantage 坏处，缺点

Step2. Let’s discuss

1. The advantages of computers. 2. The disadvantages of computers.

Step3. Learn some useful words、phrases and sentence structures 1. advantage 优点，好处

2. disadvantage 缺点，坏处

3. look up information/search information 查找信息

4. send emails 发送电子邮件

5. chat with others 和其他人聊天

6. have an effect on... 对......有影响, affect v.影响

7. a waste of /waste 浪费

8. get cheated 上当受骗

9. be harmful to /do harm to/be bad for 对...有害处

10. We can... on the computer. 11. Using computer can... . 12. Using computer ( is) … .

Step4. Write this composition Transitional words（过渡性词）

1. First/Firstly, Second/Secondly, Third/Thirdly, Finally…

2. Besides, In addition, What’s more…

3. For one thing, for another thing; On the one hand, on the other hand…

Step5.Do some exercises On Computer

Nowadays more and more students like computer. Different students have

1.

(difference) opinions on the problem.

Some students think computer has a lot of 2.

(advantage). Firstly, using computer can play games, listen 3.

music and watch movies. 4.

, we can look up information, read books and magazines on the computer. Thirdly, 5.

(use) computer can send e-mails, chat with others and buy some things and so on. However, some 6.

(other) think computer has some disadvantages. For one thing, using computer is 7.

waste of time and has an effect on our study. For another thing, using computer for a long time is bad for our health, and sometimes people are easy to get

8.

(cheat).

Each coin has two sides. In 9.

(I)opinion, I think students shouldn't be addicted to computers. Because we are students, it 10.

(affect) our study. Step6.Homework 请根据以下要点，写一篇关于中学生在学校使用手机的英语作文。

1. 现如今，学校里越来越多的学生带手机；

2. 手机的利弊；

3. 谈谈你的观点。

注意：

1. 词数100左右；

2. 可以适当增加细节，以使行文连贯。