九年级英语上册《Unit 1 The Developing World》Topic2 SectionC 教案 仁爱版

Unit 1 The Developing World
Topic 2 SectionC
The main activities are 1a, 2a. 本课重点活动是1a, 2a。

Ⅰ. Teaching aims and demands 教学目标
1. Learn the new words and useful expression:
difficulty, so far, percent, offer.
2. Talk about the problems the overpopulation brings about:
(1)It’s difficult for lots of people to find jobs.
(2)We are short of energy and water.
(3)Most cities are more crowded than before, and the traffic is much heavier.
3. Get students to know how serious the world’s population problem is.
Ⅱ. Teaching aids 教具
录音机/多媒体/小黑板/图片
Ⅲ. Five-finger Teaching Plan 五指教学方案
Step 1 Review 第一步复习(时间:10分钟)
1. T: Yesterday I told you to write an article about the population problem. Now I’ll check your homework. Please read your article in groups, then choose some better sentences and share them with us.
(四人一小组讨论中国未来的人口问题导致的后果，选出较好的句子，由每组一个学生说，教师总结写在黑板上。

)
(另外的可以用口述，充分发掘学生的想象力，从而引出新课题。

)
2. T: Your articles are wonderful. You say a lot of problems about population. It is a serious problem in China. Yes, because of the large population, it has caused many problems. Such as:(教师总结)
(1) There are fewer places for each family to live in.
(2) It’s difficult to find a job for lots of people.
(3) We are short of energy and water.
(4) Most of the cities are more crowded than before and the traffic is heavier.
3. T: What can we do with the large population in China? Can you tell me?
Ss:One-child policy.
T: You are right. China has taken some measures to control the population. One is known as the one-child policy. It has worked well in controlling China’s population.。

)
T: Thanks to the policy, China is developing quickly and people’s living conditions are improving rapidly.
Step 2 Presentation 第二步呈现(时间:15分钟)
1. T: Open your books, and listen to 1a for the two questions:
(1) Why does China carry out the one-child policy?
(2) What problems do you think China’s large population will cause?
(让学生自己阅读一遍，然后回答第一个问题。

)
T: Now. Who can answer the first question?
S1: I can. Because China has the largest population in the world.
T: You are wonderful. How many people are there in China?
Ss: There are 1. 3 billion.
T: And how many people are there in the world?
Ss: There are about 6. 5 billion.
T: Yes. There are about one fifth of the people in the world living in China. (板书并讲解分数的表示法。

)
one fifth
(继续回答第二个问题。

)
T: What problems will the large population cause?
S2: It’s difficult to find jobs for lots of people.
T: Yes. Any more? Who can add?
S3: We are short of energy and water.
T: You are wonderful. They are two serious problems.
(板书并解释这两个词。

)
T: What about cities’ traffic?
S4:The traffic is heavier, and most cities are more crowded.
T: Very good. Luckily , China has carried out the one-child policy to control its population. Now, China is developing quickly and people’s living conditions are improving rapidly.
2. (教师再放一遍录音, 让学生跟着录音一起读。

)
Step 3 Consolidation 第三步巩固(时间:7分钟)
1. T: Boys and girls, please read 1a again and then retell it according to the key words on the blackboard.
(让两位同学看着黑板上的关键词复述1a, 当学生表达错误时, 教师给予纠正, 当学生表达不出时, 教师或全班同学给以帮助, 以利于提高学生口语复述能力。

)
2. T: Let’s look at 1b (work alone). Describe the disadvantages of China’s large population according to 1a and write them down. You have two minutes.
(给学生两分钟完成, 然后让五位学生到黑板上写。

)
T: Now I will ask five students to write your answers on the blackboard.
S1:Fewer places to live in.
S2:Difficult to find jobs for lots of people.
S3:Short of energy and water.
S4:Most cities are more crowded.
S5:The traffic is heavier.
T: Your answers are very wonderful. You have understood most of the text.
Step 4 Practice 第四步练习(时间:8分钟)
1. T: Now, look at the picture, the earth has been full of people. The population problem is serious. Please listen to the tape and complete the article in 2a. (教师拿出一张”地球上站满人”的图片或展示在多媒体上, 让学生仔细观察, 然后播放录音2a。

)
T: Now, look at the text yourselves. Let’s listen to the tape again and check the answers.
(让学生核对完后, 一起齐读这篇短文。

)
T: You have understood the text. Let’s do the exercise in 2b. Then we will check the answers.
(给学生一分钟, 理解2b中的四个句子, 让一位学生回答。

)
2. (如果有时间, 让学生完成一个复述性的填空。

)
T: Please look at the small blackboard. Finish them according to 1a.
(教师出示准备好的小黑板, 让学生把答案写在课堂作业纸上。

)
In 2020, the world’s population was about . More than people live in Asia now. China has the largest population in the world, and about of the people in the world live in China. A large population many difficulties. China has done something to the population. the policy, China is developing quickly and people’s living conditions are improving rapidly. T: Let’s check your answers together.
(在短文中呈现正确答案, 并让同学们一起朗读。

)
Step 5 Project 第五步综合探究活动(时间:5分钟)
1. T: You have known about the population so much. Now, turn to Page 14 and write
a letter about the population problem in China. The questions in 3 may help you, then I will ask some students to show your opinions.
(学生们互相交流想法。

)
(让学生写一封信给他/她的笔友, 谈谈他/她对中国人口问题的看法, 可以借鉴3中五个问题的说法。

写的好的，可以读一小段给同学听，并且说明写信时必须注意的事项。

)
2. Homework:
Make a survey and complete the chart, then write a survey report. You can search the information on the Internet.
板书设计：。