2. Go on learning the present perfect tense and master some useful sentences:

　 (1) -What’s the population of China?

-It’s…

　 (2) It is increasing by 80 million every year.

(3) Which country has the largest population?

　 (4) So it is.

　 (5) The population problem is more serious in developing countries.

　(6) China has already carried out the one-child policy to control the population.

1. Learn the new word and expression:

　 increase, write down

2. Homework:

　 (1) Choose one of the projects. Talk about it and write a composition.

　 (2) Write out 5 sentences. Use the words “just”, “already”, “yet”, “ever”, “never” and the present perfect tense.

　　 板书设计：

What a large population! Section A each other　　　　　　　　　　　　　　　　　　　　 ever have/has 　 call up　　　　　　　　　　　　　　　　　　　　　　　 never at least　　　　　　　　　　　　　　　 　　　　 already　 + done sth. take place　　　　　　　　　　　　 just used to do sth.　　　　　　　　　 So do I.　　　　　　　　　　　　　　 It seems that… Neither do my parents.　　　 I don’t think…

1. (小结并讨论本课出现的主要话题。)

T: Today we know great changes have taken place in China.

(板书词组take place，要求理解take place，并注意和happen的区分。)

You can discuss these topics:

(1) The population problem

(2) Economy of China

(3) One-child policy

(4) Little Emperors

(学生自己选用一个话题，两人一组进行讨论。讨论完毕，选几组做一个汇报。不同的学生发表自己的见解，教师要尊重学生的个性发展，并体现激励机制。)

3. (跟读3a录音)

T:　 Read 3a after the tape.

Step 5　 Project 第五步 　综合探究活动(时间:5分钟)

1. (把事先准备好的两张康康家的照片，用幻灯片展示在大屏幕上。)

T:　 Look at the two pictures carefully. Can you find out what has happened in Kangkang’s family?

(然后播放3a录音，让学生听一遍课文。然后与学生一起讨论，引出3a。)

T:　 How many people are there in Picture 1?

S_s: There are three.

T:　　 Yes. It’s a nice photo. Kangkang was so cute then. Is it a big family?

S_s: No, it isn’t.

T:　　 Please look at Picture 2. Is it a big family?

S_s: Yes, it is very big.

T:　　 It seems that their living conditions were not very good. It’s a photo of Kangkang’s father’s family. At that time, most families in our country had at least three or four children. China has the largest population in the world.

(老师板书It seems that…掌握此结构，并注意和seem to的区分。板书并领读生词population。)

T: Most families have only one child now. Do you know why?

S_s: No, we don’t know.

T: Because China has carried out one-child policy to control the population.

(板书单词policy，要求学生掌握。)

(总结)

T: Because of our country’s one-child policy, China has changed greatly in recent years.

(板书词组和单词because of, recent，要求学生掌握。)

3. (1)(让学生独立完成2，一分钟后核对答案，并教学生单词European。)

T: Now I’ll give you one minute. Please finish 2. Then check the answers together.

(2)(完成2后，练习2并编造一个相似对话，巩固练习just, already, yet, ever, never等词的用法。)

T: Make up a similar dialog with just, already, yet, ever, and never.

A: Have you 　　　been to Egypt?

B: No, I’ve 　　　been to any African countries. But Mike has 　　　come back from Egypt. He likes it very much. He says he has 　　　seen such a beautiful country before.

A: Have you seen him 　　?

B: Yes, I have seem him 　　.

Step 4　 Practice 第四步 　练习(时间:15分钟)

2. (学生根据板书的重点，把对话改写成一篇短文。)

T: According to the main sentences, please change the dialog into a short passage. For example:

Michael and Kangkang have just been to a shopping center. Kangkang has never been there before. In the shopping center, there were too many people. They got lost and couldn’t find each other. And at last Kangkang thought that Michael had probably gone home. Kangkang didn’t want to go shopping again.

1. (双人活动，朗读1a并表演。)

T: Work in pairs. Read 1a and act it out.