Unit 2 Keeping Healthy Topic 3 Must we exercise to prevent the flu ? Section A 课件 24张PPT

Unit 2 Keeping Healthy
Section A
illnesses
a fever
a headache
a cough
a cold
a stomachache
a toothache
a backache
the flu
What should we do to prevent the
flu?
We should do exercise to build us up.
[pr??vent] v. 预防
[b?ld] v.
增强
build sb. up 增强某人的体质
e.g. build me up ,
build them up,
build my mother up=build up my mother
What should we do to prevent the flu?
We had better eat more fruit
and vegetables.
What should we do to prevent the flu?
We must keep our rooms clean
and the air fresh.
We mustn’t spit everywhere.
What should we do to prevent the flu?
1.
Write down the advice on how to prevent the flu, using

2.
3.
5.
4.
6.
exercise often
go to see a doctor
keep away from
crowded places
take showers often
open the window
change clothes often
3
We should / had better / must…
1.
2.
We should exercise often.
We must go to see a doctor when we have the flu.
We should / had better / must…
3.
4.
We had better take showers often.
We should keep away from crowded places.
We should / had better / must…
5.
6.
We had better open the window to keep the air fresh.
We should / had better / must…
We should change
the clothes often.
6.
We should exercise often.
We must go to see a doctor at once.
We should keep away from crowded places.
We had better take showers often.
We had better open the window to keep the air fresh.
We should change the clothes often.
Must we eat more vegetables and fruit to prevent the flu?
= Yes, we must.
Must we take some medicine to prevent the flu?
= No, we needn’t / don’t have to.
以must 开头的问句
Must …?
肯定回答： Yes, … must.
否定回答： No, … needn’t.
No, … don’t/ doesn’t have to.
注：此处不能用 mustn’t (禁止；不准)回答
Example:
A: Must we 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.

go to bed late
play sports too much
take some pills
Make similar(相似的) conversations
drink enough water
keep our rooms clean
lie down and take a good rest
must
needn’t / don’t have to
Watch the video and read after it in a low voice, Underline Dr. Li’s advice at the same time
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.
一直
[?fa?n?li]
adv. 最后
视频P43 U2-T3A-1a.mpg
Rules：
1、Choose one letter from A to F and a picture will appear (出现) immediately .
2、You must give a piece of advice according to the picture in 10 seconds.
the flu
5
2
4
6
3
A
1
B
C
D
E
F
2. Some phrases
一直 all the time ;患流感 have the flu ; 开始 go ahead
增强某人的体质 build sb. up ; 远离 keep away from
接受某人的建议 take one’s advice ;
眼睛/喉咙痛 sore throat / sore eyes

3. 以Must开头的问句
Must ….?
— Yes, … must.
— No, … don’t/doesn’t have to./ needn’t.
1. Some new words
journalist , question , prevent , finally ,
crowded , Internet
1. Give some advice on how to prevent the toothache.Or give some advice on how to prevent the cold.
(using,first,second,third,finally.)
2. Finish the exercise of Section A in the workbook.
1. You should do more exercise to _______ .
A. build up us B. build you up
C. build up you D. build us up
2. —May I use your dictionary, Lily? —_______
A. You’re welcome. B. Sure, go ahead.
C. No, I’m busy. D. Yes, you must.
3. —Must I take part in the activity?
—No, you _______. You’re too young.
A. mustn’t B. don’t C. can’t D. needn’t
4. Our teachers often tell us to_______ the net bar(网吧).
A. keep away from B. keep from
C. away from D. keep away
5. I’m so sorry to hear that you have _____ flu these days.
A. a B. an C. / D. the
B
B
D
A
D
Tom stayed up late to play computer games last night, so he has a headache and sore eyes this morning.
Tom : Good morning ,…I don’t feel well.
Dr. Liu : What … you?
Tom:…
Dr. Liu: First, …. . Second…, … Finally….
….
….
Tom ： I’ll take…
Make a similar conversation based on 1a according to the context.
My nose is running.
I have a running nose.
An apple a day , keep the doctor away.
一天一苹果，医生远离我。
The first wealth（财富） is health .
健康是人生的第一财富。
流鼻涕