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Unit 2 Keeping Healthy Topic 3 Must we do exercise to prevent the flu? Section A

If I could, I would. But I can’t, so I shan’t.

? build sb up 增强…体质 ? build up sb 代词放中间 ? = make sb strong.

ahead [?'hed] 在前头adv.
? ? ? ? go ahead 开始做,着手做 May I start now? Yes,go ahead.可以,开始吧! Go ahead, please!请开始吧。

prevent [pr?'vent]阻止、预防
? 1. prevent sth.预防某事 ? 2. prevent sb/sth (from) doing sth. ? 阻止某人、某物做某事
? His parents tried to prevent him (from) ? playing computer games.

keep away from…远离。。。
? ? ? ? ? 1. keep away from doing sth (drinking) sth (snakes) 2.keep….away from…. 让…远离…. Please keep the children from fire.

? crowded是形容词,意思是“拥挤的” ? crowded trains (hotels, roads, shops) 拥挤的火车(旅馆,道路, 商店) ? crowd ? 1.作名词 “人群” ? You can do what you want to do, but never follow the crowd. 你想做什么就做什么,可别随大流。 ? ? 2.动词, “挤” 。 He tried to crowd into the train. 他尝试挤上 火车

What should we do to keep healthy?

We must keep our rooms clean and the air fresh.

What should we do to keep healthy?

We must exercise often to build up our bodies.

build sb up build up sb 代词放中间

What should we do to keep healthy?

We mustn’t keep fingernails long.

Pair work
Make similar conversations after the example. Example: A: Must we do exercise to prevent the flu? B: Yes, we must. / No, we don’t have to. / No, we needn’t.


Work alone

Look at the pictures. And then write down some advice on how to prevent the flu, using should, had better and must. 1. 2.

we must do exercise to prevent the flu.

we must go to see a doctor.



we mustn’t go to crowded places.

we must eat healthy food.



we had better keep the windows open.

we should change our clothes often.

What should we do to prevent the flu? Drink a lot of water.

Wash hands often.

Eat healthy food.

Don’t go to crowded places.

Do more exercise.

Open the windows.

Do you know about “H1N1”?

The flu is spreading quickly among people.


Work alone(录音1)

A. Listen and circle the symptoms of the flu that you hear. fever headache toothache

sore throat

cough backache

stomachache sore eyes

B. Listen again. Check (√) the advice you hear(录音1).

Should √ drink lots of boiled water take some cold pills √ lie down and take a good rest brush your teeth twice a day Shouldn’t work on the Internet too long go to crowded places play sports too much eat hot food

Listen, read and say (影片1)

Must we go to see a doctor when we have the flu? Yes, we must.


Work alone

Check (√) Dr. Li’s advice according to 1a. □ √ 1. do exercise often □ √ 2. keep the air fr

esh □ 3. go to bed early □ 4. wash hands and change clothes often √ □ √ 5. keep our rooms clean □ 6. drink enough water □ 7. take some medicine □ 8. keep away from crowded places √

We learn:


We can:


1. 写一篇小短文来说明 如何预防流感。 2. 背诵1a。

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