2. Section B Period 2 （ 3a—Self Check ） Unit 3 Teenagers should be allowed to choose their own clothes.

3. New words the other day 不久前某一天 ( 一般用过去时） concentrate v. 集中；聚集 concentrate on 全神贯注；专心于 study n. 学习；研究 be good for doing 对 …… 有益 design v. 设计；构思

4. present n. 现在 at present 目前；现在 New words volunteer v. 自愿；自愿服务 n. 志愿者 opportunity n. 机会；时机 have an opportunity to do sth. 有从事某事的机会 local adj. 地方的；当地的 be a good experience for sb. 对某人来说是很有意义的经历

5. Listen and answer. What are the two people talking about? They are talking about the rules that they have in school.

6. 1. What do the students in this article think about the school uniforms? 2. What kind of clothes do they usually want to wear? The students think the uniforms are ugly. They usually want to wear their own clothes or they want to be allowed to design their own uniforms. Read and answer.

7. 3. How do they like to study? 4. What are their ideas about vacations? 5. Why are longer vacations good for volunteers? They like to study in groups during the evening. They think that vacations should be longer. Because longer vacations would give volunteers much more time to have a good experience.

8. concentrate on 专心于 后面常接名词或代词, 还可以接动词 -ing 形式。 Our teachers believe that if we did that, we would concentrate more on our clothes than our studies. 我们的老师认为如果我们那么做, 我们就会更专注 我们的衣服而不关注我们的学业。 concentrate on 专心于 后面常接名词或代词, 还可以接动词 -ing 形式。 Our teachers believe that if we did that, we would concentrate more on our clothes than our studies. 我们的老师认为如果我们那么做, 我们就会更专注 我们的衣服而不关注我们的学业。

9. This program is very boring, and I really can’t concentrate on it. 这个节目很无聊, 我真的无法专心看。 Those children are very noisy, so I can’t concentrate on doing my homework at all. 那些孩子很吵, 所以我根本无法专心做作业。

10. at present 此刻, 现在 ( ＝ at this time) Now I can’t help you at present － I’m too busy ． 我现在帮不了你，我实在太忙了。 have an opportunity to do sth. 有做 … 的机会 have no opportunity to do 没机会做 … I hope to have an opportunity to go to a concert. I have no opportunity to have a talk with her. at present 此刻, 现在 ( ＝ at this time) Now I can’t help you at present － I’m too busy ． 我现在帮不了你，我实在太忙了。 have an opportunity to do sth. 有做 … 的机会 have no opportunity to do 没机会做 … I hope to have an opportunity to go to a concert. I have no opportunity to have a talk with her.

11. be good for 对 …… 有好处, 有益于 This book is good for studying English. 这本书对学英语有益。 Sunshine is good for plants. 阳光对植物有益。 be bad for 对... 有害，对... 不利 be good for 对 …… 有好处, 有益于 This book is good for studying English. 这本书对学英语有益。 Sunshine is good for plants. 阳光对植物有益。 be bad for 对... 有害，对... 不利 be good to sb 对某人好 be good at 擅长于 ……

12. . My best friend is good ___ to me. He is good ___ English, and he says that reading aloud is good ____ learning English. 用 at, for, to 填空 at for to

13. learn... from 向 …… 学习，从 …… 中学习 I think you learn from Mary. 我认为你应该向玛丽学习。 We should learn from our mistakes. 我们应从错误中学习。 learn about 了解，知道 learn of 获悉，听说 learn by heart 记住，背诵 我们应该相互学习 ——————————————————— We should learn from each other.

14. experience 可以用作可数名词, 意为 “ 经历 ” 。 It would be a good experience for me because I want to be a doctor when I’m older. 这对我来说将会是一次不错的经历, 因为我长大 以后想当一名医生。 experience 还可以用作不可数名词, 意为 “ 经验 ”, 后面常接介词 in 。 That farmer has a lot of experience in planting wheat. 那个农民有许多种小麦的经验。

15. 1.I have some interesting ___________ in the countryside. ( 乡村） 2.Miss Zhang has been teaching ten years and so he has a lot of ___________ in teaching. experiences experience

16. experience 还可以用作动词, 意为 “ 经历 ” 。 We should learn from the past, experience the present and look forward to the future. 我们应该从过去中学习, 体验现在, 并展望 未来。

17. 3b PAIRWORK Role play. Use the information in 3a to have a conversation. A: What school rules do you think should be changed? B: Well, I think we should be allowed to wear our own clothes. A: What’s the reason? B: We would feel more comfortable and that is good for studying.

18. 4 You and your friend are starting an English club. Make a list of rules about what should and should not be allowed. Sample dialogue 1: A: Members should be allowed to use dictionaries. B: Yes, but they should only use English-English dictionaries. 1.Members are allowed to use English-English dictionaries.

19. Sample dialogue 2: A: Members shouldn’t be allowed to speak Chinese. B: I agree. Only in this way can you improve your English.

21. 1. Fill in each blank with the correct word given. Change the form of the word if necessary. Then make your own sentences with each word. finish allow choose need clean up 1.You have to be 18years old before you are to drive a car. 2. What time do you basketball practice today? 3. Please the classroom. It’s a real mess. 4. I can’t which pair of jeans to buy. They both look good on me. 5. Everyone to have at least eight hours sleep a night. allowed finish clean up choose needs

22. 1. We have finished our conversations about friendship. 2. No one is allowed to spit on the floor in our school. Make sentences with the words and phrases. 3. Have you ever been chosen to take part in the competition? 4. They need to change the parts of the machines. 5. Teenagers should be allowed to clean up the table at home after meals. finish allow choose need clean up

23. Learn the new words and read the article. old people’s home 敬老院 sleepy adj. 困倦的 ; 不活跃的 have…off 休息, 放假

24. Write a letter to the editor showing agreeing or disagreeing. Explain your reasons.

25. Dear Editor ， I would like to reply to the article “Helping and learning” in your last newsletter. I agree with some ideas and disagree with others. The article said that students should be allowed to … Dear Editor ， I would like to reply to the article “Helping and learning” in your last newsletter. I agree with some ideas and disagree with others. The article said that students should be allowed to … A sample version

26. take time to visit the old people, primary schools and help teach young students. I quite agree with you about this. As for having Friday afternoon off, I think it’s necessary for most students, because after a long week of classes, we are too tired. take time to visit the old people, primary schools and help teach young students. I quite agree with you about this. As for having Friday afternoon off, I think it’s necessary for most students, because after a long week of classes, we are too tired.

27. 根据句意及括号内所给的汉语提示, 用短语的正确形 式填空。 1. Eating more fruit ______ ______ ______ ( 对 …… 有 好处 ) our health. 2. I can’t help you _____ ______ ( 现在 ). I’m too busy. 3. His mother used to _____ _____ ____( 对 …… 严格 ) him, but she isn’t now. 4. Our teacher tells us that we should ____ _____ _____ _____ ( 互相学习 ). is good for at present be strict with learn from each other

28. 5. We will _____ _____ _____ _____ ( 休息两个 月 ) for this vacation. 6. I got an invitation from Lily, but I haven’t ______ ______ ( 回复 ) her yet. 7. My sister says that my bedroom should _______ ______ ______ ( 打扫干净 ) every day. have two months off replied to be cleaned up