1. (出示小黑板上的问题，让学生带着问题听1a录音，回答问题。核对答案。)

T: Now, listen to the tape and find out the answers to these questions.

(1)What’s Kangkang’s father?

(2)What do you know about SARS according to the dialog?

(3)What should we do to fight SARS?

Answers:

(1)Kangkang’s father is a doctor.

(2)SARS spreads easily among people.

(3)We should eat healthy food and do more exercise to build up our bodies. We should keep our rooms clean and often open the windows. We shouldn’t go to crowded places. If we don’t feel well, we should go to see a doctor at once.

3. (通过谈论如何保持健康，引出SARS话题，可适当加入汉语解释。)

　 T: Good habits can help us to keep healthy and bad habits can cause diseases. In 2003, there was a serious disease called SARS spreading. What do you know about SARS?

　 附：SARS is the short form for Severe Acute Respiratory Syndrome.

　 T: It spreads easily among people.

　 (板书)

　 T: SARS is a serious disease, but we don’t have to be afraid of SARS. What should we do to fight SARS?

　 (板书)

Step 2　 Presentation 第二步 　呈现(时间:10分钟)

2. (由健康话题转入对班规，校规的讨论，要用到must, mustn’t,以便导出本节目标语言don’t have to, needn’t.)

T: Having good habits can make us healthy. I think having good rules can make us study and

live better. Do you think so?

Ss:　　　 Yes.

T: What rules must we obey in the school?

S₁:　　　 We must keep the school and classroom clean and tidy.

T:　　　　 We have to keep them clean.

(板书)

T:　　　　 Must we come to school?

S₂:　　　 Yes, we must.

T:　　　　 Must we go to school very early?

S₃:　　　 No, we don’t have to.

S₄:　　　 No, we needn’t.

　 (以同样的方式，引出本课目标语言had better，并造句练习。)

　 T: What else should we do to keep healthy? We had better drink eight cups of water every day.

　 (板书)

　 T: Please make some sentences with had better.

　 S₅:　　　 You’d better go to bed before nine o’clock in the evening.

　 S₆:　　　 We had better go to school by bike.

　 …

Step 1 　Review 第一步 　复习(时间:8分钟)

1. (由问候学生，关注学生健康状况，过渡到对健康话题的讨论。注意应用情态动词should, shouldn’t,并应用上一话题重点句型。)

T:　 How are you feeling today, class?

Ss: Very well, thank you.

T:　 I’m glad to hear that. That means you are in good health. Health is more important than wealth. Then how to keep healthy? You’d better say it with “should/ shouldn’t”.

S₁: We should have healthy eating habits.

S₂: We should do more exercise.

S₃: We shouldn’t eat too much.

S₄: We shouldn’t go to school without breakfast.

S₅: We shouldn’t exercise on an empty stomach.

S₆: We should have enough sleep.

S₇: We should brush teeth twice a day.

S₈: We shouldn’t read in the sun.

T: 　　　 Good advice. If we can do as you said, we can keep healthy.

小黑板/录音机/磁带

4. Talk about how to fight SARS:

　 (1)We should not go to crowded places.

　 (2)We should do more exercise.

　 (3)We had better wash hands often.

3. Master the verb phrase “have to”, “don’t have to” and “had better” to build up our bodies:

　 (1)You have to stay at home.

　 (2)We don’t have to keep the windows open all the time.

　 (3)We had better keep away from animals.

　 (4)We had better change clothes often.

2. Go on learning the modal verbs “should” and “must”:

(1)What should we do to fight SARS?

(2)We should keep our rooms clean.

(3)We must open the windows.

(4)We should eat healthy food and do more exercise to build up our bodies.

1. Learn some useful words and expressions:

hurry, hurry up, question, go ahead, spread, among, do exercise, all the time, keep away (from)