约2280字。

　　仁爱版九年级英语上册Unit 2
　　Topic 3  Would you like to be a greener person?
　　Section D
　　The main activities are 2a and 4. 本课重点活动是2a和4。
　　Ⅰ. Teaching aims and demands 教学目标
　　1. Learn some new words:
　　towel, offer
　　2. Review some compound sentences:
　　(1) About 35% of the garbage in Hong Kong can be recycled every year while the rest can’t.
　　(2) People produce power from coal, but it is very dirty and causes acid rain.
　　3. Learn how to be a greener person.
　　Ⅱ. Teaching aids 教具
　　图片/一包纸巾/录音机/小黑板
　　Ⅲ. Five-finger Teaching Plan
　　Step 1  Review
　　复习总结本话题环保节能的内容，训练学生的听说技能，鼓励学生成为绿色环保使者。
　　1. (师生互动，营造英语氛围，复习前三节课的内容。)
　　T: In this topic we have learned something about how to be a greener person. Can you tell me what are the three Rs?
　　Ss: Reduce, reuse and recycle.
　　T:  Which means “make something less or smaller”?
　　Ss: Reduce.
　　T:  Then what should we reduce?
　　Ss: We should reduce the things which people can use only once.
　　T: Which means “use it again”?
　　Ss: Reuse.
　　T: What should we reuse?
　　Ss: We should reuse plastic bags.
　　T: What should we do about recycling?
　　Ss: We should collect waste paper or soft drink cans, and sort them so that they can be  recycled.
　　T: It’s true. But remember, actions speader than words.
　　2. (听句子，判断对错，训练学生的听力技能，复习总结怎样才能成为一名绿色使者。)
　　T: We know that pollution is becoming a serious problem. What should we do to protect our environment? Now listen to me carefully. I will say some habits. Tell me whether they’re good or bad, and try to write down the good ones. Now be ready!
　　Throw the rubbish here and there.
　　Don’t spit in a public place.
　　Draw a beautiful picture on the public walls.
　　Don’t throw things away if they can be reused.