Unit 1 Topic 2 Section C 教案.doc

Unit 1 The Changing WorldTopic 2 Section C教案Teaching aims and demands 1. Learn the new words and useful expression: difficulty, so far, percent, offer.2. Talk about the problems the overpopulation brings about:(1)Its 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 worlds population problem is. Teaching aids 录音机/多媒体/小黑板/图片Teaching Plan Step 1 Review 1. T:Yesterday I told you to write an article about the population problem. Now Ill 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。)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) Its 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 Chinas population. T: Thanks to the policy, China is developing quickly and peoples living conditions are improving rapidly. Step 2 Presentation 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 Chinas 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. T: What problems will the large population cause?S2: Its 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. 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 peoples 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 1. T: Boys and girls, please read 1a again and then retell it according to the key words on the blackboard. (学生阅读1a的同时, 教师把关键词列在黑板上。)6. 5 million 3 billion half one fifthcause difficulties take measures one-child policywork well in living conditions seriousa long way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: Lets look at 1b (work alone). Describe the disadvantages of Chinas 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 HomeworkMak