unit 2 saving the earth topic 3 sectiona 开学必备教案 仁爱版九年级上

1、Unit 2 Saving the EarthTopic 3 Would you like to be a greener person?SectionAThe main activities are 1a and 3. 本课重点活动是1a和3。. Teaching aims and demands 教学目标1. Learn some new words:plastic, suppose, be supposed to do, nod, agreement, shake 2. Learn a useful sentence: Everyone is supposed to do so.3. Learn the compound sentences with “or”, “and”, “but” and “while”: (1) Noise is a kind of pollution and its harmful to our hearing. (2) The earth is beautiful but people hurt the earth now. (3) Work har

2、d, or you will fail the exam. (4) She was busy cooking while they were watching TV. 3. Learn to talk about environmental protection. Teaching aids 教具有关垃圾污染的多媒体图片或挂图/塑料袋、饮料瓶等实物/录音机/小黑板. Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步 复习(时间:7分钟)师生互动，复习上个话题的内容，培养学生的听、说能力，导入本课话题。1(检查作业，复习讨论污染的危害。)T: We talked about the harm of pollution in last topic. And we know there are many kinds of pollution, such as water pollution, air pollution, light pollution, litter and so on. But do you know how these

3、kinds of pollution affect our environment? Volunteers?(教师以竞答的方式请学生回答。)Example:S1: Water pollution makes some animals dead. S2: Water pollution makes some plants dead. S3: People and animals cant drink the water.S4: Air pollution causes the greenhouse effect. S5: Air pollution makes people sick and even causes cancer. S6: Air pollution destroys the ozone layer. T: Well done! You know, all kinds of pollution are polluting our environment. So we are facing the serious pollution problems. What shoul

4、d we do to improve our environment?2. (学生分组讨论，然后回答。)T: Please discuss in groups. Then make a report.Group 1: Dont spit here and there. Dont pick the flowers. Plant more trees. Group 2: Ask the government to make rules and pull down some chemical factories. Ask people to save electricity. T: Very good! You have so many good ideas. Would you like to do something useful to improve our environment?Ss:Of course. T: Me, too! OK, lets be greener people together. Today, well learn Topic 3Would you like

5、to be a greener person?(导入1a。)Step 2 Presentation 第二步 呈现(时间:14分钟)利用图片或实物创设语言情景，呈现部分生词；并通过听录音回答问题等形式呈现1a，完成1b。1. (教师用图片或实物引出本课的词汇和内容。)T: If we want to be greener people, what should we do at home?(教师展示图片。)T:Is he a greener person?Ss:No.T:We should reuse plastic bags instead of throwing them away.(可出示一塑料袋帮助学生理解。)(板书，让学生猜测其汉语意思，且要求掌握。)plastic(教师展示图片。)T:Is it green?Ss:No.T:We should reduce using plastic bags.(板书且要求学生理解。)reduce(教师展示图片或出示实物。)T:What are these?Ss:They are soft drink cans.(教师帮助学生回答并板书，要求

6、学生理解can。)canT: How shall we deal with them?Ss:We should collect them for recycling. (教师让学生看图片，帮助学生总结环保方面的知识。)T: Now, we know we should reduce, reuse and recycle some things at home to protect our environment. We call them the three Rs.(板书并要求学生理解the three Rs的含义。)the three Rsreduce, reuse and recycleT:It is not hard for us to protect the environment. So we can encourage people around us to begreener people. Would you like to do so?Ss:Sure.T:Protecting our environment is our duty. That is to say, e

7、veryone is supposed to do that. It means everyone should do that.(板书并要求学生掌握。)be supposed to do sth.T: Now we know how to protect the environment at home. What can we do at school to protect the environment? Please listen to the tape, then find out the answer. (教师放1a录音，让学生不看书回答问题。)T:Can you find out the answer?(师生共同核对答案。)2. (让学生再听1a录音，回答小黑板上的问题，为完成1b做铺垫。)T: Please listen to the tape again, then try to answer the questions on the small blackboard. (展示小黑板。)(1) Who is working for an organization tha

8、t protects the environment?(2) Whats her main job?(3) Should we use both sides of paper?(4) Why is the recycling useful?(师生共同核对答案。)Step 3 Consolidation 第三步 巩固(时间:10分钟)通过跟读录音、两人对话、复述课文等形式巩固1a。1. (让学生跟读1a录音并完成1b。) T:Please read the dialog after the tape, then finish 1b. (核对答案。)2. (学生两人一组练习对话，然后抽查几组学生，以检验活动成果。)T:Please work in pairs. Then Ill ask some pairs to act it out. 3. (让学生再读1a，并找出关键词，为下步复述做铺垫。)T: Please read the dialog again. Meanwhile, try to find the key words.4. (让学生运用关键词复述1a，以检查学生的语言组织能力

9、。)T:Now, Ill ask some students to retell 1a. Please try to speak with your own words. Example:S1: Im Jane and studying at Renai International School. In my spare time, I am working for an organization that protects the environment Step 4 Practice 第四步 练习(时间:10分钟)听录音，完成2，让学生掌握科学处理生活垃圾的方法。然后导入学习并列句，完成3。1. (让学生听录音，完成2。)T:Please listen to the tape carefully. Youll hear four people talking about environment protection. Then finish 2.(听两遍录音后，师生共同核对答案。)2. (教师让学生判断下列句子陈述的内容是否是改善环境的行为，引出while, but, and, or引导的并列句。) (展示小黑板。)(1) We should use plastic bags as few as possible.(2) We should throw the garbage in the river.(3) We should reduce the waste we produce.(4) We should use both sides of paper.(5) We should

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