2. (让学生读2a，画出关键词。)

　 T: Please find out the key words.

　 (找学生板书出关键词。教师核对。)

　 T: Now close your book. Let’s talk about these pictures. You can use the key words on the blackboard.

(可用幻灯片或课件或挂图展示2a。)

3. (完成1b，巩固1a中重点短语。并核对答案。)

Step 4　 Practice 第四步 　练习(时间:10分钟)

2. (把握关键词，掌握复述技巧。)

T: Please try to talk about the passage in your own words. You can look at the key words on the blackboard.

Example:

I know a headache isn’t a disease. There is something wrong with our health …

(及时鼓励学生，增强学生信心。)

1. (听1a录音并跟读，提示学生注意语音语调。)

　 T: Listen to 1a and repeat. Pay attention to the intonation and pronunciation.

2. (播放1a录音，让学生为文章确定标题。学生汇报结果并说明理由，可复述1a中重点语句以此佐证。教师可将一些重点短语板书在黑板上。)

Step 3　 Consolidation 第三步 　巩固(时间:8分钟)

1. (由不健康的习惯过渡到疾病--头疼，进行一项关于此项疾病的调查，以此完成1a中

导读问题并完成生词的呈现。)

T: Unhealthy habits cause diseases. A headache is one kind of diseases.

(板书disease,学生根据上下文猜测词义。)

T:　　　　 Do you often get headaches, S₁？

S₁:　　　 Sometimes.

T:　　　　 Do you know what causes headaches?

S₂:　　　 I don’t know.

T:　　　　 Never mind. I think the reasons are a lot, such as working too hard, a fever and so on. How do you feel when you don’t get enough sleep?

S₃:　　　 I feel sleepy and have a headache.

T:　　　　 You might get a headache if you don’t get enough sleep.

(重复might并板书，用may解释。)

(将1a中其余生词以此启发问答形式呈现出来。)

3. (复习must, mustn’t。再次出示图片，用must, mustn’t陈述图片内容。)

　 T: If we want to keep healthy, what must we do and what mustn’t we do?

　 (依次出示图片，让学生回答。)

S₁: We must wash hands before meals.

S₂: We must brush teeth twice a day.

S₃: We mustn’t read in the sun.

S₄: We mustn’t throw litter about.

Step 2　 Presentation 第二步 　呈现(时间:10分钟)

2. (老师出示教学卡片或多媒体课件，复习上节课所学有利健康和不利于健康的生活习惯。让学生分出两类，分组汇报。)

T:　 Let’s look at the living habits in the pictures. Tell healthy habits from unhealthy ones and say them out in English. First, healthy ones. Group 1, please.

G₁: Wash your hands before meals.

　 Brush your teeth twice a day.

　 Do morning exercises.

　 Drink enough water every day.

　 Go to bed early and get up early.

T:　 Well done! Then unhealthy habits. Group 2, please.

G₂: Read in the sun.

　　 Stay up late at night.

　 　 Throw litter about.

　 　 Go to school without breakfast.

　 　 Watch TV too late.

　 　 Keep long fingernails.

Step 1　 Review 第一步 　复习(时间:10分钟)

1. (由师生问候，过渡到询问学生的早餐状况。关注学生健康，自然而然地进入生活习惯的复习。)

T:　 How are you today?

Ss: Fine, thanks. And you?

T:　 Me, too. Did you have breakfast, S₁?

S₁: Yes.

T:　 I’m glad to hear that. Going to school without breakfast is bad for your health. Health is

　 important for us.