unit 2 topic 2 all these problems are very serious》section a 开学必备教学设计 仁爱版九年级上

1、Unit 2Topic 2 All these problems are very seriousSection A 教学设计 仁爱版The main activities are 1a and 2. 本课重点活动是1a和2。2. (教师创设一个空气污染的情境，引入本课话题。例如：教师一边拍身上的灰尘，一边咳嗽着走进教室，然后描述。)T:It is too dirty and there is too much heavy smoke outside. I cant stand it.Ss: Is it air pollution?T: Yes, it is.Step 2 Presentation 第二步 呈现(时间:10分钟)展示1a的图片，导入新课，呈现本课生词和词组。讲解不定代词和不定副词的用法。教育学生必须保护环境。1. (教师展示1a的图片，导入新课。)T:Do you like the environment here?Ss:No, we dont.T:Why?Ss:Because there is too much smoke.T:Yes. We should stop

2、burning coal. It is said that China has become the worlds largest producer and user of coal. As a result, air pollution has become a serious problem.(板书并要求学生掌握。) as a resultT: Now our government has realized the importance of protecting the environment.(板书并要求学生理解。) importanceT: We should do something useful to protect the environment, too.(板书并解释something是不定代词，其修饰语要放在它后面。)something useful2. (播放1a录音，让学生带着问题去听。)T: Listen to the tape, and answer the questions on the small blackboard.(出示小黑板。)(1)Whats

3、 the article about?(2)What should we do as students?(核对答案。)3. (男女生分角色朗读。)T: Lets read 1a together. BoysKangkang and girlsMichael.4. (让学生再读1a，试着找出1a中的不定代词或不定副词，以及一些疑难点。)T: Read 1a again, and try to find the indefinite pronouns or adverbs.Step 3 Consolidation 第三步 巩固(时间:8分钟)阅读1a，完成1b，开展分组活动加深对文章的理解，增强学生的环保意识。1. (让学生齐读对话，巩固1a并完成1b。)T: Now, lets read this dialog together again, and then try to answer the questions in 1b as quickly as you can. (核对答案。)2. (让学生分组活动, 仿照1a编写对话，以达到学以致用的目的。)T: OK, please wor

4、k in pairs. Try to make a new dialog with your partner according to the dialog in 1a. Then Ill ask some pairs to act out your own dialog in the front of the classroom. Example:S1:Hi, S2, what are you doing now?S2: Im reading a book. S1: Whats it about?S2: Its about the environment in the world. It says that our environment is getting worse and worse. And the pollution has been the most serious problem in the world. S1: Yes. But its lucky that lots of governments have done something useful for th

5、e protection of environment. S2: Its known that nobody likes pollution. But what should we do as students? S1: I think, first, everyone should try to protect the environment around us and we shouldnt spit or throw the rubbish here and there. We should protect the wild animals and plants. S2: Thats right, we should do as much as possible to protect our earth. Step 4 Practice 第四步 练习(时间:15分钟)教师利用图片作引导，呈现部分生词和词组。让学生独立完成2，然后听录音，完成3。并通过练习，分析不定代词和不定副词在句中的作用，总结它们的用法。1. (教师展示多幅有关学生不文明现象的图片。)T:Environment

6、 is very important to us. How about the environment of Kangkangs school? Lets look at the pictures.T:(指着第一幅图中的男生。) Is he polite or impolite?Ss:Impolite.T:Yes. He is rude.(板书并要求学生理解。) rude2. (让学生观察图片，然后分组讨论图中人物的行为是否正确。)T:Are their behaviors good or bad?(板书并要求学生掌握。) behaviorSs:Bad.T:I agree with you. What should we do then? We should make rules to change the situation. Perhaps its hard for us to follow the rules in the beginning. But you will get used to them later on and our school will become be

7、tter and better day by day.(板书并要求学生掌握。) in the beginning, day by dayT: Discuss in groups of four, then give a report.(小组选代表汇报。)3. (教师让学生用不定代词或不定副词完成这封信，完成2。)T: Here is a letter from Kangkang. Is the environment of his school good or bad? What did he say in the letter? Please read 2. Choose the proper words to fill in the blanks. (教师与学生核对答案。让学生认真地读这封信，分析不定代词和不定副词在句中的作用。引导学生总结出不定代词/副词的用法。)4. (教师用图片作引导，让学生对新的语法进行训练，达到学以致用的目的。)(展示一系列有标语的图片。)T:We know we should protect the environment. As students, w

8、hat should we do? To answer this question, you should use the indefinite pronouns or adverbs in your sentences. (教师可做适当的引导。)S1: None of us should step on the grass.S2: Dont throw rubbish everywhere.S3: Nobody should pick the flowers.S4: Dont spit anywhere.S5: Everyone should care for animals. T: Yes, you are right. We should do everything we can to protect the environment.5. (听录音，完成3。)T:In the past, people killed animals for their meat and skins. Now some kinds of animals are becoming fewer and

9、fewer. And some animals are in danger of dying out completely.(板书并要求学生掌握。)die outT: Listen to the tape and finish 3.(教师与学生核对答案，然后解释语言点。)Step 5 Project 第五步 综合探究活动(时间:5分钟)让学生调查周围的人，有哪些行为对保护环境是不利的，应如何解决，写一份调查报告。然后讨论作为一名中学生应该和不应该做什么，以此制定一份班级或学校规则来增强学生的环保意识。1. T: Make a survey.(让学生调查周围的人，有哪些不良的行为，应如何解决。)Bad behaviorSolution2. Homework:Make some class rules or school rules about protecting environment.板书设计：All these problems are very serious. Section Aas a resultBut the government is doing something useful to protect the environment.something usefulNone of us likes pollution.in the beginningDont spit anywhere in public.day by dayEveryone should care for wild animals and plant more trees.die outWe should do ever

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