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3. Talk about personal hygiene:

　 (1)We should keep our bodies clean.

　 (2)We shouldn’t keep long fingernails.

　 (3)We must wash our hands before meals.

2. Go on learning modals for giving advice and modals for necessity:

　 (1)We should keep the air fresh.

　 (2)We shouldn’t drink sour milk.

　 (3)We must keep our bodies clean.

1. Learn some useful words and expressions:

disease, itself, might, empty, stomach, get into, human, body, through, illness, air, sour, tidy, sweep, in public

3. Homework:

　 (根据你所积累的个人卫生习惯的相关知识，结合本节课所学的must, must not/don’t的用法，分别写出至少五条健康的和不健康的生活习惯，并运用到实际生活中。)

板书设计：

I must ask him to give up smoking. Section B give up doing sth.　　　　　 Smoking is bad for your health. throw about　　　　　　　　　 It may cause cancer. 　　　　 to do sth.　　　　 I must ask him to give up smoking. ask sb.　　　　　　　　　　　　　 You mustn’t read in the sun. 　　　　 not to do sth.　　　　 Don’t stay up late at night. 　　　 　 do sth.　　　　　　　　　　 Breakfast gives us energy for the morning. must 　　　　 not do sth.

2. (将学生分成几大组，每两人一小组。分别表演一些行为举止和生活习惯，并且用英文表述，由另外的学生加以肯定或劝阻并说明理由。准备三分钟，然后请几组学生到讲台前面表演。对话中应用到be good for …, be bad for …, You mustn’t …/Don’t … 等结构。然后选出最佳表演奖，最佳口语奖。发几块糖果给以奖励，并幽默地说，Well done! The candies are the prizes for the winners. Eating too many candies are bad for your teeth, so I can’t give you too many.)

1. (让学生写班级行为规范，进一步强化日常用语。)

T:　 Now, please take out a piece of paper. Write down the regulations in our class.

(教师巡回指导，5分钟后找学生读所写内容。)

(附：)Don’t talk loudly in the classroom.

You must not throw litter about.

You must not talk in class.

You must not eat in the classroom.

Don’t play in the classroom.

T: Very good! If you obey the rules you write, our class will be better.

4. (根据所学内容，完成3。)

Step 5　 Project 第五步 　综合探究活动(时间:10分钟)

3. (看图，复述2。分组进行，评出优胜组。)