仁爱版英语教学案例九上Unit1 Topic2.doc

Unit 1 Topic 2 Section AThe main activities are 1a, 2 and 3a. 本课重点活动是1a, 2和3a。. Teaching aims and demands 教学目标1. Master some new words and useful expressions:probably, European, population, take place, because of, policy, neither, recent2. Go on studying the present perfect with “just, already, yet, ever, never”:(1) I have just called you. (2) Have you found him yet?(3) Have you ever been to France?(4) Ive never been there before, (5) But great changes have already taken place in China recently.3. Talk about the changes of economy and population in China. 4. Let the students know that they should cherish the happy life now. Teaching aids 教具录音机/多媒体课件/两张全家福照片(旧与新)/小黑板/超市购物图. Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步 复习(时间:12分钟)(教师出示一张超市购物图，通过询问学生是否曾去购物，引入本课话题。)T:Look at this picture. What picture is it?Ss:It is a shopping picture. T:(指向一位学生)Have you ever been to a shopping centre?S1:Yes, I have.T:What about you? Have you ever been to a shopping centre with your parents?S2:Yes, I have. I often go shopping with them. T:Yes. Most of you have ever been to a shopping centre. But do you notice that there are many people in the shop?Ss:Yes. There are too many people there. T: I went shopping yesterday with my daughter. My husband has never been there. There were too many people and the shopping centre was too crowded.(板书)+done sthhave/hasever never. (解释ever, never，让学生跟读。)T:My daughter and I have just been to a shopping center. What about you, S1?S1: No, I stayed at home. I helped my mother do the housework. T: You are a good boy/girl. Have you ever been to a shopping center, S2?S2:Yes, I have just been there with my mother. T: Do you like going there?S2:Yes, I do. It is interesting. T: But my daughter doesnt like it. She said that there were too many people there. Yesterday when I was shopping, she got lost. And we couldnt find each other. Ss:Did you find her at last?T: Yes, she has already gone home. (板书) alreadyhave/has +done sth. just(讲解already, just, 让学生跟读。)T:My daughter hates to go shopping. What about you?S1: I love to go shopping. S3:So do I. S2:I dont like going shopping. T: Neither do I. (板书)So do I = I love to go shopping, too. Neither do I = I dont like going shopping, either. (解释这个句子，引导学生用相同形式的句子。)Step 2 Presentation 第二步 呈现(时间:8分钟)1. (教师仍可用那张拥挤的超市图，引出1a的内容。)T:Now Lets listen to the tape, and find out what has happened to kangkang and Michael. (教师播放录音一遍，如学生听不明白可再听一遍。)T:Now please open your books and read the dialog in 1a yourselves. Then answer my questions. (教师在小黑板上写出问题，给学生1分钟再阅读一遍1a。)T:Now we have finished reading the text. I will ask you some questions. (引入康康的活动。)T: Where has kangkang just been?Ss:He and Michael have just been to a shopping center. T: Has kangkang been there before?Ss:No. He has never been there before. T: Does he want to go there again?Ss:No, he doesnt.T: Now. I will ask someone to answer. Why does he hate to go shopping again?(提问一个学生)S1:Because there were too many people there. He got lost, and couldnt find Michael. T: Youre right. Has kangkang found Michael yet?(板书并讲解)have done sth. yetS2:No, he hasnt. T: Where was Michael?S3:He has probably gone home.T: Does Maria like going shopping, S4?S4:No, She doesnt. She hates to go shopping. T: (教师引导学生总结。)From this text we know Michael and Kangkang have just been to a shopping center. Because there were too many people there. They got lost and couldnt find each other. Kangkang thought that Michael had probably gone home. 2. T: Look at 1b. Finish it. (给学生两分钟时间)T: Now. Lets check the answers. 3. 跟读1a录音。Step 3 Consolidation 第三步 巩固(时间:8分钟)1. (1) (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. (2) (让两个学生复述对话。) S1: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 there. They got lost and couldnt find each other. And at last Kangkang thought that Michael had probably gone home. Kangkang doesnt want to go shopping again. 2. (1) (让学生独立完成2，一分钟后核对答案。)T: Now. Ill give you one minute. Please finish 2. Then check the answers together. (2)让学生齐读2. 使学生更好掌握这5个词。Step 4 Practice 第四步 练习(时间:12分钟)1. (用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 Kangkangs family? (先放3a录音，让学生听一遍课文。然后与学生一起讨论引出本对话。)T:How many people are there in Picture 1?Ss:There are three. T:Yes. Its a nice photo. Kangkang was so cute then. Is it a big family?Ss:No, it isnt.T:Please look at Picture 2. Is it a big family?Ss:Yes, it is very big. T:It seems that their living conditions were not very good. Its a photo of Kangs fathers family. At that time, most families in our country had at least three or four children. China was the country with the largest population in the world. (板书并讲解。)populationT: Most of families have only one child now. Do you know why?Ss: No, we dont know. T: Because China has the largest population. So China has carried out one-child policy to control the population.(板书并讲解。)one-child policy(总结)T: Because of our countrys one-child policy, China has developed a lot. 2. (让学生阅读一遍3a，画出同3b中所给例句意思相似的句子，完成3b。)T: Read 3a and underline the sentences which have the same meanings as the sentences below. 3. (跟读3a录音)T:Read after the tape in 3a. 4. T: Look at the small blackboard. Use these words to retell the dialog. at least the largest population not well developed take place one-child policyStep 5 Project 第五步 综合探究活动(时间:5分钟)1. (小结讨论本课出现的主要话题。) T: Today we know great changes have taken place in China. 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。)2. Homework: (1) Choose one of the projects. Talk about it and write an article of 80 words. (2) Read the dialog in 1a carefully. Write out 5 sentences. Use the words “just, already, yet, ever, never”.板书设计：What a large population!Section Atake placeeverone-child policynever Little Emperorhave/has already +done sth.the largest population justnot well developedhave/has done sth. yetin recent yearsso do Iat leastneither do ISection BThe main activities are 1a and 2a. 本课重点活动是1a和2a。. Teaching aims and demands 教学目标1. Learn the new word: increase2. Master these sentences: (1) Whats the population of China? (2) It is increasing by 80 million every year.(3) Which country has the largest population? (4) So it is. (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. Teaching aids 教具录音机/多媒体课件/小黑板/世界人口示意图. Five-finger Teaching Plan 五指教学方案 Step 1 Review 第一步 复习(时间:15分钟)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, whats the population of our country?(由学生举手回答。)S1: China has 1. 3 billion people. Its the largest population of the world.T: The U.S.A. is the strongest developed country. Can you tell me whats the population of the U. S. A. ?(板书并讲解。) the developed/developing countryS3: 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 Indonesias and Brazils population.S5:The population of Indonesia is 222million.S6:Brazil has 184 million.T:Well done. We have known some countries population. Whats the population of the world?S7:I dont know. S8:The world has a population of 6.5 billion. T:Right. There is 6.5 billion in the world. And the worlds 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, doesnt it?Ss:Yes, it does. T:In order to solve the population problem, what policy does China carry out?(板书并讲解。) carry out Ss: One-child policy. Step 2 Presentation 第二步 呈现(时间:7分钟)(教师放1a录音，让学生找出含数词的句子。)T:Open your books. Listen to the tape carefully and underline the sentences with numbers. (教师再播放一遍，让学生跟着磁带默读一遍。)T:Look at your books. Pay attention to these sentences. (板书)Whats the population of the U. S. A.?296 million.(教师重点解释这个句型，引出类似的句子。)A:Whats the population of China/India?B: Its about 1. 3 billion/(教师利用前面的世界人口示意图，让学生一问一答。)S1: Whats the population of Brazil, ？S2: It has about 184 million. Whats the population of China, ？S3:T: It is wonderful. Please read the dialog and discuss the key sentences. (教师板书并讲解这三个句子，使学生加深对文章的理解。)1. The worlds population is increasing by 80 million every year.2. The population in developing countries is larger than that in developed countries. 3. China has already carried out the one-child policy to control the population.(让学生齐读课文一遍。)Step 3 Consolidation 第三步 巩固(时间:8分钟) (读1a，让学生完成1b。)T:Look at the form. Then fill it out. CountryChinaIndiathe U.S.A. IndonesiaBrazil Population(本表格很简单，一分钟后，老师叫几位学生核对答案。)T:Great. I think you all did well. (学生两人一组进行问答练习。)S1:Whats the population of China?S2:Its about 1. 3 billion. Whats the population of India?S1:It is about 1. 1 billion. What about the U.S.A.?S2:(以比较快的速度来完成训练。)T:OK. I think you have mastered the dialog. You can practice by yourselves after class. Step 4 Practice 第四步 练习(时间:10分钟)1. T: We have learnt many countries population. But how to express the numbers? First lets look at the blackboard. (板书)218 5 366 306(教师由以前学的百、千位引入百万、十亿。教师可以先提问后进生，让这些学生有成就感以提高他们的兴趣。)S1:two hundred and eighteenS2:five thousand three hundred and sixty-sixS3: three hundred and six(教师总结一下如何读百位、千位，指出特别易出错点和个别学生表达的错误。)T: Now, look at these numbers. Can you read these numbers?(板书)736 547 8 736 062 9 839 800 (教师先讲述三位一划分原则，再让学生运用。给学生讨论时间，然后提问学生。) S4: 736 547 Seven hundred and thirty-six thousand, five hundred and forty-seven (可以先提问较好的学生，总结一下。教师必须说明and，thousand放的位置，以及注意量词在这不加“s”的形式，让学生在自己思考时有注意的地方。) T: Now, I will ask the other students to read the two numbers. S2: 8 736 062 eight million, seven hundred and thirty-six thousand and sixty-two S3: 9 839 800 nine million, eight hundred and thirty-nine thousand, eight hundred T: You are great. Most of you have mastered how to read the numbers. Please look at the numbers in 2a. Read them together.2. T:Lets play a number game. I will show you some numbers. Read them quickly and correctly in groups. (每个小组各选派三位学生，由教师统分，构建评分机制激发学生兴趣。)(板书)7 398 500 406 000 000 17 602 018 000 676 302 320 (教师在黑板上画出计分表。)G1G2G3G43. T: Look at the pictures of 2b and describe them. (让学生通过自己的猜测，用所学过的语言知识把图片描述一下。教师可以先提问程度稍差的同学，复习较大数字的读法并把新旧知识结合起来。)S1:Picture FThe jacket costs￥326. 00. S2:Picture BIts 6 575 miles away from Beijing to Toronto. S3: Picture AThe mountain is 8 844. 43 meters high. S4: Picture EThe population of China is 1. 3 billion. S5: Picture DI think the population of Canada is 210million. S6: Picture CThe animal lived in 210 million years ago. T: Yeah, very good. You are great. Now lets listen to the tape of 2b and number the pictures you hear. After that, lets check the answers. (教师核对答案。)Step 5 Project 第五步 综合探究活动(时间:5分钟)1. T: The population problem is the biggest one in China. Now lets discuss the question: What are the problems of Chinas population?(学生小组讨论。)T:Who can talk about it?(学生可能要说的很多，但有些语言他们表达不清楚，教师加以引导，使他们尽量用简洁的语言表达清楚。) S1:The population is still increasing. S2:The people in the countryside cant obey the one-child policy. S3:There are more and more old people in some big cities. T: Very good. But what do you think of the future of Chinas population? Please discuss it. (鼓励学生举手，自觉起来表达自己的观点。) S4:The population of China will be 1.5 billion in 2050. S5:Maybe China will have a population of 1.7 billion in 2050. (学生可能做出种种猜测。)2. Homework:Write a report about the population of the future in China. 板书设计：What a large population!Section Bthe developed/developing countryWhats the population of ?carry outIt has billion/million population problemIt is increasing by 80 million every year.China has already carried out the one-child policy to control the population.Section CThe main activities are 1a, 2a. 本课重点活动是1a, 2a。. 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)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 教具录音机/多媒体/小黑板/图片. 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 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。) (板书)There arent enough jobs for people.The roads are full of people. The traffic is too heavy.People have few places to live in. (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) 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. (板书并解释take some measures to。)take some measures to T: Thanks to the policy, China is developing quickly and peoples 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 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. (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: 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. (板书并解释这两个词。)difficult (adj. )difficulty (n. )be short of energyT: 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 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. (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 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. Lets 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. Lets 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