九年级上册（2014年7月第1版）《Section B》精品教案下载-泰安市优质课

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

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

3. Learn how to read the numbers:

million, billion.

Ⅱ. Teaching aids 教具

录音机/多媒体课件/小黑板/世界人口示意图

Ⅲ. Teaching steps

?Step 1? Review

1. (检查上节课教师布置的探究性活动，组织学生互评，教师选出较好的几份点评。)

T:?Many students wrote very well. You can talk about a lot of social problems.?

(由学生谈论的人口问题，引入本课话题——人口数量。)

T:?Some students have talked about the population problem. As we know, it is hard to improve our living conditions, because we have a large population. Now, what’s the population of our country?

(由学生举手回答。)

S1: China has 1. 3 billion people. It’s the largest population of the world.

T: The U.S.A. is the strongest developed country. Can you tell me what’s the population of the U. S. A. ?

(板书并讲解。)?

the developed/developing country

S3: The U.S.A. has about 250 million.?

S4: I think it has about 300 million.?

T: Stop. Now look at the multimedia.?

(看多媒体，展示1a中图表。)

T:?Here is a diagram about some countries’ population. Look at the U.S.A. . The U.S.A. has a population of 296 million. Now look at the diagram. Tell me about Indonesia’s and Brazil’s population.

S5:?The population of Indonesia is 222million.

S6: Brazil has 184 million.

T: Well done. We have known some countries’ population. What’s the population of the world?

S7: I don’t know.

S8: The world has a population of 6.5 billion.

T: Right. There is 6.5 billion in the world. And the world’s population is increasing by 80 million every year.

(教师重读increasing一词。)

T:?Look at the chart, it shows that the population in developing countries is larger than that in developed countries, doesn’t it?