约2140字。

　　仁爱版九年级英语上册Unit 2
　　Topic 3  Would you like to be a greener person?
　　Section C
　　The main activities are 1a and 2. 本课重点活动是1a和2。
　　Ⅰ. Teaching aims and demands 教学目标
　　1. Learn a new word:
　　technology, electric, wheel, steel
　　2. Go on learning some compound sentences:
　　(1) In many countries, people produce power from coal, but it is very dirty and causes acid rain.
　　(2) Although electric vehicles produce no pollution, there will be an increase in electricity needs if they are widely used.
　　3. Learn the advantages and disadvantages of some kinds of energy.
　　Ⅱ. Teaching aids 教具
　　挂图/图片/小黑板或幻灯片/录音机
　　Ⅲ. Five-finger Teaching Plan 五指教学方案
　　Step 1  Review
　　通过对节能环保知识的复习讨论，导入新课，教学部分生词。
　　1. (通过对上一课1a的复习，强调怎样做才能成为绿色使者, 进一步增强学生的环保意识，同时也营造一种英语氛围，激发学生的学习兴趣。)
　　T:  Can you remember what we have learned in Section B?
　　Ss: Yes.
　　(教师可以出示上一课1a的图片。)
　　T:  What are Jane and Michael doing?
　　Ss: They are talking about how to be a greener person.
　　T:  Can you tell me how to be a greener person?
　　Ss: First, turn off the lights when we leave a room.
　　T:  What about the next?
　　Ss: Walk or ride a bike instead of taking a bus or a taxi …
　　T:  Very good. Please go on.
　　Ss: Take a cloth bag when we go shopping.
　　T:  Great. It’s easier said than done. So we have to keep on doing that every day.
　　2. (让学生分组讨论节约能源的各种方法，以旧带新，导入新课主题。)
　　T: We must not only protect our environment but also save energy like electricity. Now discuss this problem in pairs: What should we do to save energy?
　　(采用竞答方式，鼓励学生说出日常生活中所观察到的节约能源的各种方法。)
　　T: Well, I’m sure you have some new ideas to save energy. Please tell me one by one. Now let’s talt how to be a greener person. Who’s the volunteer? Please hands up!
　　S1: Don’t drive a car if you travel a short distance.
　　S2: Write on both sides of the paper.
　　S3: Don’t use the things that can be used only once.