Unit 2 Keeping Healthy Topic 3 Must we exercise to prevent the flu? Section A 课件 28张PPT

Unit 2 topic3 section A
Must we exercise to prevent the flu?
What’s wrong with him?
What should he do?
revision
What should we do to prevent the flu?
We should do exercise to build us up.
Ask and answer
预防
使身体强壮
What should we do to prevent the flu?
We should eat more fruit and vegetables.
We mustn’t keep fingernails long.
What should we do to prevent the flu?
A.[?d??:n?l?st] E. [?fa?n?li]
B. [?kwest??n] F. [?kra?d?d]
C. [pr??vent] G. [θr??t]
D. [b?ld] H. ['int?net]
journalist
question
prevent
build
finally
crowded
throat
internet
读一读，拼一拼
According to pictures retell Dr. Li’s advice with first, second, third and finally
First, we should do exercise often to build us up.
Second, we should keep our rooms clean and the air fresh.
Third, we should wash our hands and change our clothes often.
Finally, we should keep away from crowded places.
?Must we go to see a doctor at once when we
have the flu ?
肯定回答： Yes, we must.
否定回答： No, we needn’t. /
No, we don’t have to.
注：此处不能用 mustn’t (禁止；不准)回答
Key points
Make similar conversations after the example, using the information in 1b.
Example:
A: Must we do exercise to prevent the flu?
B: Yes, we must.
A: Must we take some medicine to prevent the flu?
B: No, we don’t have to. /
No, we needn’t.
A: Must we keep the air fresh to prevent the flu?
B: Yes, we .
must
A: we go to bed early to prevent the flu?
B: No, we .
must
needn’t/ don’t have to.
A: Must we drink enough water to prevent flu?
B: No, we needn’t/ don’t have to.
A: Must we keep away from crowded places to prevent the flu?
B: Yes, we must.
3. Look at the pictures and write down the advice on how to prevent the flu, using should, had better or must.
We should exercise
often.
We must go to see
a doctor at once when we have the flu.
We had better keep away from crowded places.
We should take a
shower often.
We should keep
the air fresh.
We should change
our clothes often.
Lucky stars
6 points
To keep the children safe，all the workers are trying their best to b the bridge.
Many young students like working on the I for a long time. It’s bad for their eyes.
开始，开始做
保持空气清新
uild
nternet
go ahead
Keep the air fresh
8 points
The students study harder and harder. F , their dreams came true.
We should do our best to p all kinds of diseases.
— Must I take part in the activity?
—No, you . You’re too young.
A. mustn’t B. don’t
C. don’t have to D. don’t need
inally
revent
1. You’d better wash your hands before meals you healthy.
A. keep B. kept
C. keeping D. to keep
2.我们应该远离危险的东西。

4 points
We should ______ _______ _______ the danger.
keep away from
10 points
1. Must, Internet, long
.
You must not work on the internet too long
2. 作为学生，我们应该远离香烟。
As students, we should keep away from cigarettes.
3.现在立刻上楼去打扫你的房间。
Now, go upstairs at once and clean your room.
Thank you!