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1、Topic 2 China has the largest population.Section 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 a new word: increase2. Learn some useful sentences: (1) It says the world has a population of 6.5 billion. (2) It is increasing by 80 million every year.(3) Whic
2、h country has the largest population? (4) Whats the population of the U.S.A.?Its (5) So it is. (6) The population problem is more serious in developing countries.3. Go on learning the present perfect tense. China has already carried out the one-child policy to control the population. 4. Go on learni
3、ng to express the numbers with million and billion.5. Make students realize the serious population problem and have social conscience. Teaching aids 教具卡片/多媒体课件/录音机/世界人口示意图/小黑板. Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步 复习(时间:8分钟)复习现在完成时，然后引导学生谈论过去人们生活条件差的原因，引出人口问题，导入新课。1. (小竞赛。教师把学生分为两组。然后出示
4、写有already, yet, ever, never, just的卡片，要求学生以抢答形式迅速说出含有卡片上词的句子，要求用现在完成时。迅速且正确者赢一分，评出获胜组。)T: Lets have a contest to review the present perfect tense, OK?Ss: Great.T: First, Ill divide the whole class into two groups. Then Ill show the cards with “already”, “yet”, “ever”, “never” and “just” one by one. Y
5、our team will get a score if you give me a correct sentence with the word on the card. Lets go!(教师出示写有already的卡片。)T: “Already”, please!Group 1: She has already finished her homework.T: Congratulations. “Yet”, please!Group 1: I havent watered the flowers yet.T: Congratulations. Group 2. “Ever”, pleas
6、e!Group 2: Has your sister ever been to Tibet?2. (教师让一名学生复述Section A中3a的内容，引出人口问题。)T: Who can retell 3a in Section A?S1: I can.(学生复述课文。)T:Well done. Can you tell me why their living conditions didnt seem to be very good in the past, S1?S1: Because the family members in the past were more than those
7、nowadays.S2:Because of the large population.S3:China was not well developed.T:Right. But whats the population of China, do you know? Lets learn about it from 1a in Section B.Step 2 Presentation 第二步 呈现(时间:14分钟)用多媒体呈现图表，谈论中国及世界人口，呈现1a中重点句型及部分生词。1. (多媒体展示1b中图表。) T:Here is a chart about some countries p
8、opulation. Whats the population of our country? Ss:Its 1.3 billion. (可帮助学生回答。) (板书句型并要求学生掌握；理解billion。)Whats the population of China?Its 1.3 billion. T:Is China a developing country or a developed country? Ss:A developing country. (板书并讲解。)the developing/developed country T: Good. Now please talk abo
9、ut other countries population in pairs. (教师可先做示范，然后让学生进行练习。) S1:Whats the population of ? S2:Its S1:Is it a developing country or a developed country? S2:Its a T:Well done. We have known some countries population. Whats the population of the world?S3:6.5 billion.T:Right. The world has a population o
10、f 6.5 billion. And the worlds population is increasing by 80 million every year.(板书单词increase及短语has a population of，并要求学生掌握，延伸讲解increase by和increase to的区别。)has a population ofincreaseincrease byincrease toT:Look at the chart, which countries have the larger population, the developing countries or th
11、e developed countries?Ss:The developing countries. And the population in developing countries is growing faster.T:So it is.(板书So it is，讲解“so+代词/名词+助动词/be动词/情态动词”结构，并和“so+助动词/be动词/情态动词+代词/名词”的结构进行区分。)So it is.T:In order to solve the population problem, what policy does China carry out?Ss: One-child p
12、olicy. T:Yes. Now lets listen to 1a and learn more about it.2. (教师放1a录音，让学生听并尽可能地写出对话中的有关数字。) T:Close your books, listen to the tape and try your best to write down the numbers you hear. (教师再放录音，让学生核对写的情况。) T:Open your books. Listen again and check what you have written. (让学生朗读1a，师生共同解决疑难点。) T:Read
13、1a and pay attention to the following 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) And it is increasing by 80 million every year.(2) It shows that the population in developing countries is larger than that in developedcountries, doesnt it?(3) China has already carried out the one-child policy to control
14、 the population.Step 3 Consolidation 第三步 巩固(时间:8分钟)根据1b绘制表格(教师可适当增加一些其他国家的人口)，学生通过对话及复述，巩固1a内容。1. (让学生完成表格并进行链式问答。)T:Look at the form. Then fill it out. CountryChinaIndiathe U.S.A.IndonesiaBrazilPopulation(核对答案。)T:Great. I think you all have done well. (学生两人一组进行问答练习。)S1:Whats the population of China
15、?S2:Its about 1. 3 billion. Whats the population of India?S1:It is about 1. 1 billion. What about the U.S.A.?S2:2. (让学生试着复述1a内容。)S3:The world has a population of 6.5 billion.S4:China has the largest population, with 1.3 billion.S5:The population in developing countries is growing faster.T:OK. I think you have mastered the dialog. You can practice it by yourselves after class. Step 4 Practice 第四步 练习(时间:10分钟)通过复习千以内的数字，引出高位数字的读法，完成2a，2b。1. (教师出示写有
