文档介绍：Section A
Unit 2 Keeping Healthy
Topic 3
Must we exercise to prevent the flu?
illnesses
感冒
发烧
咳嗽
头痛
牙痛
背痛
胃痛
have a cold
have a fever
have a cough
have a headache
have a toothache
have a backache
have a stomachache
Review
流感
have the flu
What should we do to prevent the illnesses?
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 illnesses?
We had better eat more fruit
and vegetables.
Ask and answer
What should we do to prevent the illnesses?
Ask and answer
We shouldn’t spit everywhere.
What should we do to prevent the illnesses?
We must keep our rooms clean
and the air fresh.
Ask and answer
We mustn’t keep fingernails long.
What should we do to prevent the illnesses?
Ask and answer
Flu is a serious illness, what should we do to prevent it?
Listen to 1a and check Dr. Li’s advice.
录音1a-P43
often
the air fresh
to bed early
hands and change clothes often
our rooms clean
enough water
some medicine
away from crowded places
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Watch the flash and write down Dr. Li’s advice.
视频1a-P43
First, ________________________________________________
Second, ____________________________________________
Third, _______________________________________________
Finally, ______________________________________________
we should exercise often to build us up.
we should keep our rooms clean and the air fresh all the time.
we should wash our hands and change our clothes often.
we should keep away from crowded places.
Key points
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
Eg: Must I finish my homework now ?
No, you needn’t. /
No,you don’t have to.