Unit 2 Keeping Healthy Topic 3 Must we exercise to prevent the flu ? Section A 课件 19张PPT

Unit 2 Keeping Healthy
Topic 3
Must we do exercise to prevent the flu?
Section A
must
should
had better
学习目标
(1)单词与词组
Hurry, hurry up , journalist, spread, among, prevent , finally, crowded, go ahead, all the time , keep away from
(2) 句型：
First … Second … Third … Finally….
——Must we…？
——Yes ,we must./No, we needn’t/we don’t have to.
(3)语法 ：掌握Must引起的一般疑问句的
肯定和否定的回答。
(4)语言：学会就预防疾病给别人提建议 .
Think about:
Must we drink enough water every day?
Yes , we must.
Must we eat many eggs a day？
No, we don’t have to./ we needn’t
Must we keep our rooms clean and the air fresh?
Yes , we must
Must we exercise for a long time to build up our bodies?
No, we don’t have to./ we needn’t
Must we eat much meat every meal？
No, we don’t have to./ we needn’t
Check (√) Dr. Li’s advice about how to prevent the flu according to 1a.
1. do exercise often
2. keep the air fresh
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
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√
√
√
√
√
远离……
Scan 1a as quickly as possible to finish 1b.
New words
Journalist [‘d??:n?list] n. 记者
spread[spred] v. 传播，延伸，展开
among [?‘m??] prep. 在……中间
finally [‘fain?li] adv. 最后，终于
prevent [pri‘vent]v. 防止，预防
hurry [‘h?ri,?’h?:i] v.急忙，赶快
hurry up赶快， 快点
Go ahead [?'hed]! （经允许后）干吧！去吧! 说吧!
Kangkang 's father, Dr.Li, is talking with a journalist on TV.
May I ask you some questions,Dr.Li?
Sure , go ahead.
These days many people have the flu. So what should we do to prevent it?
Well , first , we should exercise often to build us up. Second , we should keep our rooms clean and the air fresh all the time. 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?
Yes , we must.
We 'll take your advice.Thank you
Journalist:
Dr.Li:
Journalist:

Dr.Li:
Journalist:
Dr.Li:
Journalist;
hurry up——on TV——a journalist
——ask some questions——go ahead
——the flu——spread———prevent——First, … exercise
——Second, keep … clean and …fresh
——all the time——Third, wash … and change …——Finally, … not
——crowded places
Can you retell the dialog with the key words?
2
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.
Work alone
3.
4.
we mustn’t go to
crowded places.
we must eat
healthy food.
5.
6.
We had better keep
the windows open.
We should change
our clothes often.
Can you give more advice to prevent the flu?
1.New words& phrases: Hurry, hurry up , journalist, spread, among, prevent , finally, crowded, go ahead, all the time , keep away from
2. How to prevent the flu.
掌握must各种句型的转换。
Must we…？
Yes ,we must./No, we needn’t/we don’t have to.
We learn:
We can:
发挥你的小宇宙，补全单词。
We should do more exercise to b_____ our bodies up.
He is sitting a_______his best friends.
Most students are afraid to ask q_______ in class.
?He p________ the boy from climbing the tree.
Good news s______ quickly through the city.
The patient?f________?died from cancer
uild
mong
uestions
revented
preads
inally
1. Don’t get close to the tigers . They are dangerous. （改为同义句） _____ ______ ______the tigers. They are dangerous. 2. Must we drink eight cups of water a day No, we_____ ______ _____. 3.We should go to see a doctor when we have the flu.(对划线部分提问） ______ ______ _______ ______ when we have the flu? 4.______ ______（快点）！The bus is leaving.
5. --- Dad, I have some news to tell you.
----______ ______(说吧)
Keep away from
don’t have to
What should we do
Hurry up
Go ahead
写一篇小短文来说明如何预防流感。
背诵1a。