3. (通过上一步，列出好的行为来纠正学生的不足。)

T: Now please listen to me. I’ll tell you how to be a greener person. More and more people are becoming green. It means that they are trying their best to protect the environment. So you need to remember the best ways to achieve the goal.

(1)　　 We need to recycle what we can.

(2)　　 We can take a quick shower instead of a bath.

(3)　　 When we make a short journey, we’d better walk or ride a bike.

(4)　　 You’d better stop them when you see others littering.

(5)　　 We take baskets for shopping.

(6)　　 Never eat fast food.

(7)　　 Never use paper towels.

(8)　　 Remember to turn off lights when you leave home.

2. (要求学生做总结报告，训练口语。完成2b。)

1. (根据得分把学生分成四小组，讨论同学得分的原因并给出建议，使学生更明白如何成为一个绿色使者。)

T: Now the students who get 0-4 points join Group 1. The ones who get 5-9 points join Group 2. The ones who get 10-13 points join Group 3 and 14-18 join Group 4. Each group finds out why you get this mark, and what are you going to do next. Later give a short oral report to the class.

(学生热烈讨论，如果意见难以统一，每个组可根据情况写出二至三个报告。)

3. (两人活动。同桌间互相问答，并把得分计算出来。教师做调查。)

　 T: S₅, what’s your score?

　 S₅: It’s 4 points.

　 T: You have not started turning green yet! Be strict with yourself to protect the environment. S₆, what’s your score?

S₆: It’s 8 points.

T: Try harder and you’ll be better in protecting the environment. I believe you can.

S₆: Thank you!

T: …

Step 3　 Consolidation 第三步 　巩固(时间:12分钟)

2. (学生齐读2a，教师解释2a的意义，为两人活动做准备。)

1. (教师出示2a中的图片向两个学生提问题，让其他同学记录答案，判断谁是绿色使者。)

T: 　I’ll have two volunteers. Please hands up. OK, S₁, S₂, come here. Now I’ll ask you two questions. Answer me with“Yes”or “No”. Other students write down their answers and judge which student is greener. Are you ready?

Ss: Yes.

T: Do you usually recycle newspapers and old books? (Yes-1; No-0)

S₁: Yes.

S₂: No.

T: Do you often use paper towels? (Yes-0; No-1)

(展示纸巾，板书单词且要求掌握。)

S₁, S₂:Yes.

T: When you make a short journey, do you often ride a bike? (Yes-1; No-0)

S₁: No.

S₂: Yes.

(板书，理解生词journey)

T: …

S₁, S₂: …

T: What’s the score?

S₃: S₁ gets 5 points.

S₄: S₂ gets 6 points.

T: Well done, S₂’s mark is higher than S₁’s. It means S₂ is a greener person. Congratulations to him/her! (cheers)

2. (1) (听句子，判断对错，训练学生听力技能，复习总结怎样成为绿色使者。)

T: We know that pollution is becoming a serious problem. What should we do to protect our environment? Now listen to me carefully. I list some habits. Tell me whether they’re good or bad, and try to write down the good ones. Now be ready!

(1)　　 Throw the rubbish here and there.

(2)　　 Don’t spit in a public place.

(3)　　 Draw a beautiful picture on the public walls.

(4)　　 Don’t throw things away if they can be reused.

(5)　　 Go to school by bike instead of by bus.

(6)　　 Collect the rubbish and try to sort the rubbish.

(7)　　 Pour dirty water into rivers directly.

(8)　　 Turn off the lights when you go out.

(教师边说边观察，如果有必要可多读两遍，让学生能一边回答一边记下来，为下步作准备。)

(2)(要求学生两人一组根据上面的内容，编一个对话谈论怎样成为绿色使者。鼓励学生尽可能对本单元内容进行整合。)

　 　 　　T: Now make your own dialog to talk about how to be a greener person with your partner.

(几分钟后，教师抽查效果。)

S₁: …

S₂: …

(教师进行鼓励和评价，总结内容同时导入新课。)

Step 2 　Presentation 第二步 　呈现(时间:10分钟)

Step 1 　Review 第一步 　复习(时间:12分钟)

1. (师生互动，复习前三节课的内容，营造英语氛围。)

(1)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 and old clothes.

T:　 What should we do about recycle?

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 speak louder than words.

图片/小黑板/一包纸巾

3. Learn how to be a greener person.