2. Listen to 2a again and repeat twice, then read by yourselves.

1. (练习对话，牢记表达生活习惯的句子或短语。)

T: Now, I want to ask you some questions, S₃, please.

S₃: Yes?

T: Do you often watch TV for a long time?

S₃: Yes, I do.

T: Oh, it’s bad for your eyes. You’d better not watch TV too much.

T: Do you often go to school without breakfast?

S₄: No, I don’t.

T: You are right. (老师面带微笑。) Going to school without breakfast is bad for your health. Because breakfast gives us energy for the morning.

(说两遍energy)

(板书)

T: Boys and girls, do you want to keep fit?

Ss: Yes.

T: So you must keep healthy habits first.

(板书)

T: Then let’s learn something about healthy habits. Please look at 2a. Listen to the tape and find out the key words.

(板书)

(necessary一词要适当解释，并要求学生掌握。)

3. (先师生互动，再学生之间互动完成1c。)

　 T: OK. Next, look at the picture in 1c. Discuss with your partner and write some school regulations. (可用汉语提示。)

　 (句子中有生词lawn，可适时讲解,该词只需了解，不需掌握。)

　 For example:

　 T: You must not climb trees. S₁.

　 S₁: Don’t climb trees!

　 T: You must not park. S₂.

　 S₂: Don’t park!

…

(然后，同学之间操练，结合must, must not/don’t句式)

Step 4　 Practice 第四步 　练习(时间:10分钟)

2. (观察1b的挂图，教育学生养成良好的生活习惯。)

　T: Look at the picture. (画有小男孩做操的图片) What’s the boy doing, S₁?

　 S₁: He is doing morning exercises.

　 T: Is it good for his health?

　 S₁: Yes.

T: So you must do morning exercises. (可重说)

(再展示扔香蕉皮的图片。)

T: What’s he doing?

S₂: He is throwing litter about.

(throw litter about 前面已训练过，根据学生掌握情况，不可能有障碍。)

T: Is it bad or good?

S₂: It’s bad.

T: So you must not throw litter about.

(以同样的方式展示、回答另四幅图。)

T: Practice these six sentences by yourselves.

(说明“must not”句式和“Don’t…”句式可以互相替换。)

附：Don’t stay up late at night. or: You must not stay up late at night.

　　 Don’t read in the sun. or: You must not read in the sun.

　 …

(教师巡视，帮助指导。)

1. (巩固词组，灵活应用。)

　 T: Please make new sentences with ask sb. to do sth./must do sth./give up doing sth. (个别提问即可。)

2. (再读1a，请学生找出关键句型、短语。)

　 T: Well done! Please find out the main points in 1a.

　 S₁: ask sb. to do sth.

S₂: give up doing sth.

S₃: …

(板书)

Step 3　 Consolidation 第三步 　巩固(时间:8分钟)

1. (听1a录音，回答问题。)

T: Look at these questions.

(可用幻灯片或小黑板出示。)

(1)Is smoking good or bad for his health?

(2)What may smoking cause?

T: Please listen to the tape, and find out the answers.

(可放两遍录音并核对答案。)

T: Now, please read it again. Then find out the key words in this dialog.

(板书)(板书时不要与上面的词重复,要恰当。)

T: OK. Please practice 1a in pairs, then act it out according to the key words.

(表演时，可用教科书等工作为道具。)

(教师注意观察，看学生的口语表达能力如何，擦去关键词之后，还要达到能说为止。请1-2组学生表演。)

3. (读个别生词，加深印象。)

　 T: Boys and girls, please read the words loudly.

(等学生熟悉单词后，教师拿出准备好的词组让学生快速造句。)

　 T: Now, please look at this card, (卡片上写着词组) and make sentences.

　 T: give up S_1.

　 S₁: Don’t give up studying English.

　 S₂: Give up smoking.

　 (本课应准备的卡片词组为：give up, throw about, be bad for…, put…into, remember to do…, remember doing)

Step 2　 Presentation 第二步 　呈现(时间:10分钟)

2. (在日常生活中发现不良习惯。)

T: Is smoking good or bad?

Ss: Bad!

T: Oh, smoking is bad for our health. Why is it bad? Today we will learn a dialog, then we can get the answer from it.

(教师朗读对话1a ，然后在黑板上板书生词，教师要给予解释并领读。)

(板书)

　Step 1　 Review 第一步　 复习(时间:7分钟)

1. (通过Ask and answer的方式点评作业，提高学生的综合语言运用能力。)

　 T: 　 What is good for your health, S₁?

 S₁: Washing hands before meals.

　　 Going to bed early.

　　 Doing morning exercises.

　 S₂:　 Brushing teeth twice a day.

　 S₃:　 Keeping short fingernails.

　 T: What’s bad for your health? 　 S₄:　 Staying up late.

Keeping long fingernails.

　 S₅:　 Going to school without breakfast.

　　 Eating too many candies.

　 S₆:　 Working too long.

T: Well done!

(带头鼓掌，并竖起拇指给予赞扬。)