Step 1　 Review 第一步 　复习(时间:10分钟)

1. (以陈述班规形式复习must, mustn’t, should, shouldn’t的用法。)

T:　　 What must we do in class?

S₁: We must listen to the teacher carefully in class.

S₂: We must study hard and think hard.

…

T: 　　　 What should we do in our class?

S₁: We should help each other.

S₂: We should keep our classroom clean and tidy.

…

(鼓励学生两人一组互动问答，复习mustn’t/ shouldn’t …。)

小黑板/图片(食物类)/录音机/磁带/多媒体课件

4. Summarise the grammar focus and useful expressions in the topic.

3. Improve the students’ listening, speaking, reading and writing skills.

2. Go on learning what are healthy eating habits:

(1)Good health is more important than wealth.

(2)Food gives us energy.

(3)We must have enough food to keep healthy.

(4)We must have the right kinds of food.

(5)Different foods help us in different ways.

(6)It’s necessary for us to have healthy eating habits.

1. Learn some names of food and some other useful words:

than, wealth, less, meat, choose, all kinds of, sausage, strawberry, beef, cabbage, tomato, 　　 watermelon, sandwich

2. Homework:

T: Now let’s discuss what we should do to fight headaches.

　 Example:

We shouldn’t work too hard.

We must get enough sleep.

We must not exercise on an empty stomach.

(要求学生用讨论的结果完成表格，作为家庭作业。)

How to fight headaches

板书设计：

I must ask him to give up smoking. You can also get a headache when you exercise on an empty stomach. We can get into the human body and cause diseases. We should often tidy our rooms and sweep the floor. 　 Section C on an empty stomach　　 get into cause diseases nose mouth skin 　 　 through the

1. (展开想象，扩大知识面。鼓励学生自由发挥，将本节所学有关建议的及表示必要性的情态动词，个人卫生习惯等知识点，按教师所提供话题进行综合运用。)

　 T: Let’s discuss what else we should do to fight germs.

　 (尽量脱离课本，最好不要与课文内容重复。)

　 Example:

　 We should do morning exercises every day.

　 We should not throw litter about.

　 We must eat more fruit and vegetables.

　 We must not go to bed too late.

　 (教师巡视并指导，看谁发挥得较好。挑出几名同学编出思路清晰、逻辑性强的短剧，即兴表演出来。教师给以鼓励、肯定，使学生在运用语言的过程中增强自信，继续保持学习英语的兴趣。)

4. (展示2b图片，了解预防疾病的措施。)

　 T:　　　　 Look at the pictures. Please talk about what we should do to fight germs. Make sure to use “We should/should not …” and “We must/must not …”

　 T:　　　　 What should we do to fight germs?

　 S₁:　　　 We should keep the air fresh.

　S₂:　　　 We shouldn’t eat bad food.

　 S₃:　　　 We shouldn’t drink sour milk.

　 S₄:　　　 We should keep our bodies clean.

　 S₅:　　　 We must wash our hands before meals.

　 S₆:　　　 We mustn’t keep long fingernails.

　 S₇:　　　 We must tidy our rooms and sweep the floor often.

　 S₈:　　　 We mustn’t spit in public.

(个别图片中含有生词，需要及时讲解并板书。)

Step 5　 Project 第五步 　综合探究活动(时间:7分钟)

3. (总结2a，引出生病的几种途径。)

　 T: Let’s find out the ways of becoming sick, please.

　 (板书)