约2000字。

　　仁爱版九年级英语上册Unit 2
　　Topic 3  Would you like to be a greener person?
　　Section A
　　The main activities are 1a and 3. 本课重点活动是1a和3。
　　Ⅰ. 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 it’s harmful to our hearing.
　　(2) The earth is beautiful but people hurt the earth now.
　　(3) Work hard, or you will fail the exam.
　　(4) She was busy cooking while they were watching TV.
　　3. Learn to talt environmental protection.
　　Ⅱ. 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
　　Ⅲ. Five-finger Teaching Plan
　　Step 1  Review
　　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 talt 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 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 can’t 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 should 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: Don’t spit here and there.
　　Don’t pick the flowers.