约1870字。

　　仁爱版九年级英语上册Unit 2
　　Topic 1  Pollution is harmful to people’s health.
　　Section A
　　The main activities are 1a, 1b and 3a. 本课重点活动是1a、1b和3a。
　　Ⅰ. Teaching aims and demands 教学目标
　　1. Learn some new words and phrases:
　　bee, my goodness, waste, stream, breathe, be harmful to, influence
　　2. Learn some useful sentences:
　　(1) Oh, my goodness!
　　(2) Look, there are several chemical factories pouring waste water into the stream.
　　3. Learn direct speech and indirect speech:
　　(1) Kangkang said that it was a beautiful place with flowers and grass.
　　(2) Kangkang said that the flowers and grass had gone.
　　4. Learn and talt different kinds of pollution:
　　(1) Air pollution makes people sick.
　　(2) Light pollution is harmful to our eyes.
　　(3) Litter influences our environment.
　　Ⅱ. Teaching aids 教具
　　幻灯片/小黑板/录音机/图片
　　Ⅲ. Five-finger Teaching Plan 五指教学方案
　　Step 1  Review
　　回顾第一单元有关家乡变化的内容，运用现在完成时态，导入新课。
　　(通过对第一单元的复习，导入被污染的西山景象。)
　　T: Last unit, we have learned some changes in our hometown. Can you say some?
　　S1: The roads are wider.
　　S2: The buildings are higher and higher.
　　S3: The living conditions have improved…
　　S4: …
　　T: Yes. Many changes have happened in our hometown. Let’s look at the two pictures about the West Hill and discuss the changes between them.
　　Step 2  Presentation
　　通过比较1a的两幅图画的差异，展开对话，学习部分生词，呈现1a。
　　1. (利用幻灯片展示1a中的两幅图，师生问答。)
　　T: Are there any differences between them?
　　Ss: Yes.
　　T: Let’s look at Picture 1. What can you see?
　　S1: I can see some flowers and grass.
　　S2: I can see some butterflies dancing.
　　T: Yes, there are some butterflies dancing.
　　(板书并要求学生掌握。)
　　there is/are … doing sth.
　　T: What else can you see?
　　S3: I can see a rabbit.
　　S4: I can see some houses.