Unit 2 Topic 3 Must we exercise to prevent the flu知识点讲义+练习（附答案）

同步知识点讲义和练习
重、难点
So what should we do to prevent it?
Prevent, 意为“阻止，阻挠”，可与stop互换使用。
Prevent sb from doing sth.=keep sb from doing sth.=stop sb from doing sth.“阻止，阻挠……做某事。”
Nothing can prvent us from going.
Stay.意为“保持”，相当于keep, 后接形容词、介词、名词等表示状态的词。
The door stays open to 9 o’clock every day.
How long will you stay in Beijing?
He keeps slience all the time.
Need
做实义动词，意为“需要”，后跟名词，动名词或动词不定式作宾语，有人称、数和时态的变化。
He needs some help.
You need to wear more clothes.
The flowers need flowering.
它还可做情态动词，意为“需要、必要”。后面跟动词原形，否定形式是在need后面直接加not，疑问形式是把need提到主语前面。
You needn’t come if you are busy.
—Must he go?
—No, he needn’t.
The+比较级， the+ 比较级，“越……就越……”。
The more, the better.
Myself, yourself,是反身代词，表示某人自身，可以在句中作宾语，表语，同位语。
Don’t hurt yourself.
You are not quite yourself today.
They themselves do it.
By oneself 亲自 for oneself 为了自己 help oneself to 随便吃 make oneself 别拘束
短语
go ahead 请开始吧
keep… away from… 让…远离….
Just a moment, please = wait a moment = Hold on, please. 请稍等 （打电话常用语）
right now用两种意思：①现在= now ② 马上= right away; in a minute; at once;
①get through to sb和某人接通电话
②leave a message for sb.给某人留口信
③give sb. a message = take a message for sb. 给某人捎口信
④call sb. back 给某人回电话
⑤ask/tell/order sb (not) to do sth. 叫某人(不)去做某事
care for = take care of = look after 照顾，照看
Say no to sb/sth.拒绝某人某物
Say sorry/hello/byebye/yes to sb.
On one hand ... On the other hand...一方面……另一方面……
二、语法精讲
情态动词must，have to 的用法
情态动词must强调主观看法，意思是“必须，应该”，含有要求、命令之意。
You must finish your homework first.
2.must的否定式为mustn’t，意为“禁止，不得”。
He mustn’t leave here before 10:00.
3.一般疑问句为把must提到主语前面，肯定回答用must，否定回答用needn’t或don’t have to.
Must we hand in our exercises today?
No, you needn’t./don’t have to.
4. Must表示必然结果，意为“必定，一定”。
If you don’t work hard, you must fail in the exam.
5. Must表示有把握的推测，意思是“肯定”，否定推测用can’t.
There must be something wrong with the machine.
He can’t be at home.
6. Must与have to 的用法区别。
Have/has to 表示由客观原因而必须做某事，有被迫之意，可用于多种时态，而must通常表示由于责任、义务
等主观原因而必须做某事。
We must obey the traffic rules.
My parents aren’t at home, I have to help to look after my sister.
【典型例题讲解】
( )1. —Hello! May I speak to Mary?
—_______
A. I’m Mary. B. Mary is me.
C. This is Mary speaking. D. I’m speaking.
( )2. My parents ask me _______ in order to make me healthy.
A. build up me B. build me up
C. to build up me D. to build me up
( )3. Tom _______ yesterday morning, but I was out.
A. built up me B. built me up
C. rang up me D. rang me up
( )4. —May I ask you some questions, Dr. Wang?
—_______
A. You’re welcome. B. Sure, go ahead.
C. No, I’m busy. D. Yes, you must.
( )5. —Must I take part in the activity?
—No, you _______. You’re too young. You should look after yourself.
A. mustn’t B. don’t C. can’t D. don’t have to
( )6. —Who taught _______ Japanese?
—I learned it by _______.
A. you; myself B. your; myself
C. yourself; me D. yourself; myself
( )7. Our teachers often tell us _______ the net bar.
A. stay away from B. to stay away from
C. not stay away from D. not to stay away from
( )8. We don’t know how to prevent the flu. Shall we ask Doctor Wang Hai for______?
A. the advice B. an advice C. some advice D. some advices
( )9. —May I watch TV, Mom?
—I’m afraid you _______.
A. should not B. can’t C. must not D. may not
( )10. —I have a stomachache. What should I do?
—You _______ drink sweet water and _______ eat sweet food.
A. had better not; shouldn’t B. should; had better
C. had better; had better D. shouldn’t; should
【随堂练习巩固】
Ⅱ. 情景交际。（5分）
在下列横线上填入适当的句子，补全对话。
A: Hello! I’d like to speak to Kangkang.
B: 11.
A: 12.
B: He has a bad stomache.
A: 13. How did it happen?
B: He ate out for fast food with his friends yesterday. He felt terrible as soon as he came back.
A: That’s terrible. 14. I want to see him.
B: Not far. It’s on Xinhua Road. You can find it easily.
A: I hope he will get better soon.
B: 15.
Ⅲ. 完形填空。（10分）
Ava was ill. She went to see a doctor. The doctor asked her to 16 her tongue (舌头), and then he said,“OK. You can put your tongue back now. There’s 17 wrong with you, but I’m afraid you have a problem, you never take 18 .”
“But, doctor,”Ava said,“I don’t think so.”
“Don’t 19 me what you think,”the doctor said,“I see a lot of people 20 you. None of them get any exercise. They sit in offices all day and in front of the TV in the evening. You must walk quickly for at least 20 minutes a day.”
“Doctor, you don’t understand.”Ava said,“I take enough exercise every day. ”
“I don’t want to 21 any excuses,” the doctor said, “You must find time 22 exercise. If you don’t, you will get 23 and have health problems.”
“But I walk every day.”Ava said.
“Oh, yes, and I know what kind of walking that is. You walk 24 meters to the bus stop from your house, from the bus stop to your office, and from your office to your dining-room for lunch and back. That’s not a real walk. I’m talking about a walk by the lake or in the park for 20 minutes every day. ”
“Would you please 25 me, doctor?”Ava said,“I’m a postwoman. I walk for nearly seven hours every day.”
For a moment the doctor was silent, then he said,“Can I see your tongue again?”
( )16. A. put away B. put down C. put out D. put up
( )17. A. something B. nothing C. some D. anything
( )18. A. exercises B. medicine C. medicines D. exercise
( )19. A. tell B. say C. ask D. speak
( )20. A. seem B. likes C. like D. seems
( )21. A. hear B. say C. find D. look for
( )22. A. about B. for C. in D. with
( )23. A. thin B. strong C. fat D. healthy
( )24. A. little B. a little C. few D. a few
( )25. A. to hear B. hear C. to listen to D. listen to
【课后强化练习】
Ⅳ. 阅读理解。（30分）
（A）
Modern people realize the importance of exercise. It’s important for young men to keep a good habit of exercising. Look at the following table(表格), it shows some exercise in formation in a week about some of my classmates. “√”means“exercise”.
Zhang Jian Steve Xiao Pang Li Lei Jack
Monday √

√ √
Tuesday √
√ √
Wednesday


√
Thursday √
√ √
Friday √

√ √
Saturday √

√ √
Sunday

√ √
根据短文内容，选择正确答案。
( )26. On _______ very few students do sports.
A. Monday B. Wednesday C. Friday D. Sunday
( )27. _______ of them exercise on Saturday.
A. Two B. Three C. four D. Five
( )28. Steve _______ does exercise.
A. usually B. seldom C. always D. never
( )29. _______ does exercise most often.
A. Zhang Jian B. Xiao Pang C. Li Lei D. Jack
( )30. _______do(does) exercise three times a week.
A. Zhang Jian B. Xiao Pang C. Jack D. B and C
（B）
June 8, 2013 Dear Cindy,
I’m sorry to hear that Bird Flu (禽流感) is very serious in some parts of the world and some people have got the flu. We must take good care of ourselves and keep away from the disease. Could you tell me what people in China do to keep away from it?
Please write to me soon.
Yours,
Betty
July 2, 2013 Dear Betty,
I think Bird Flu is very bad. Many chickens, ducks and birds in our country got the disease. Some of them died, but some birds flew away and they might carry germs to other places. This is a serious problem. We must do something to solve it. Let me tell you what people have to do to keep away from the disease.
* Do morning exercises every day.
* Open the windows in the morning.
* Wash hands very often.
* Eat more vegetables and less meat.
* Go to bed early.
I think these are good for our health. Do you think so?
Yours,
Cindy
根据短文内容，选择正确答案。
( )31. From the letter we know Cindy comes from _______.
A. Canada B. the U. S. A. C. China D. Japan
( )32. Betty wrote her an e-mail to ask _______.
A. whether (是否) Cindy got Bird Flu B. how to keep away from Bird Flu
C. when Bird Flu began to spread D. how Bird Flu spread in Cindy’s country
( )33. A hard problem to fight Bird Flu is _______.
A. we don’t have better doctors or nurses B. Bird Flu is serious
C. some places are still poor
D. birds with the germs will carry germs to other places
( )34. What does the underlined word “solve” mean in Chinese?
A. 解决 B. 分析 C. 通告 D. 治愈
( )35. From Cindy’s letter, we know _______ is bad for our health.
A. washing hands very often B. going to bed late every day
C. eating more vegetables and less meat D. opening the windows in the morning
（C）
There are many kinds of after-school activities in the world.
Swimming
Swimming can give students physical exercise and it can help to keep heart and lungs healthy. It is a good way to keep fit.
Art or music classes
Just remember that it is not about how ① you draw, sing or play an instrument. The most important thing is that you can get a chance to express something about yourself.
Team sports
There are many kinds of team sports: basketball, football, baseball, etc. ② You had better find a team sport you like best. It can help you learn skills and also help you learn teamwork. Of course, You can make many friends when you relax yourself.
What after-school activities do you often take part in?
阅读短文内容，完成任务。
任务一：判断正（T）误（F）。
( )36. If you want to have a music class as an after-school activity, you must be good at it.
( )37. Team sports can make you learn teamwork.
任务二：在文中①处选择适当单词，使句意通顺。
( )38. A. fast B. well C. high D.clearly
任务三：将②处句子翻译成中文。
39. __________________________________________________________________
任务四：回答问题。
Why is swimming a good way to keep fit?
40. __________________________________________________________________
第三部分 写作（25分）
Ⅰ. 词汇。（10分）
(A)根据句意及汉语提示填空。
1. We should exercise to _______ us _______ (增强体质).
2. We should do something to prevent it from _______ (发生).
3. He isn’t in. You can leave a _______ (留言).
4. Eating meat too much can bring a lot of _______ (脂肪).
5. We should say _______ (不) to smoking.
(B)用括号内所给单词的适当形式填空。
6. The kids can’t take care of _______ (them).
7. _______ (final), our team won.
8. What causes the _______ (ill)?
9. Did you enjoy _______ (you) in the party yesterday, Bill?
10. The workers are _______ (build) a school.
Ⅱ. 句型转换。（5分）
11. We must clean the classroom every day. （同义句转换）
We must _______ the classroom _______ every day.
12. It took me two days to finish the book. （同义句转换）
I _______ two days _______ the book.
13. You should eat an apple every day. （对画线部分提问）
_______ _______ you do every day?
14. —May I ask you some questions, Miss Wang?（对问句作出回答）
—Sure, go _______.
15. They have to get up early every day. （改为一般疑问句）
_______ they _______ _______ get up early every day?
Ⅲ. 书面表达。（10分）
由于学习生活紧张，现在许多学生饮食随便、不爱运动、不讲卫生，对身体有很大危害，假如你是学校的一名校医，请写一篇简短的发言稿，给同学们提出一些建议和忠告。不少于60词。






1. C 在打电话时, 介绍自己时不说I’m . . ., 应该用This is . . . 。
2. D 因为ask sb. to do sth.是固定短语，故排除A、B；又因build up的宾语是代词，要
放中间，故选D。
3. D 根据语境“打电话我不在家”可排除A、B；又因为ring up的宾语是代词，放中间，
故选D。
4. B “我可以问您一些问题吗？”“可以, 请讲。”只有B项符合表达习惯。
5. D must表示“必须”。在句型Must I/we…？中,它的否定回答一般不用No, you mustn’t.
要用No, you needn’t. 或No, you don’t have to.
6. A 教某人……应用teach sb. , 表示 “自学”, 可用teach . . . by oneself或learn . . . by oneself。
7. B 根据语境“老师要我们远离网吧”可排除C、D；又因tell sb. to do sth.是固定短语，
故选B。
8. C 因为advice是不可数名词且所求建议又非特指故排除B、D和A选C。
9. B May I…？常用于征询对方意见、请求或许可，其否定回答根据语气常用mustn’t
或can’t。根据题意应选can’t。
10. A 根据语境“胃差的人不宜喝甜水吃甜食”，故选A。
Ⅱ. 11. I’m sorry he is not in.
12. What’s wrong with him?/What happened?
13. I’m sorry to hear that.
14. Is the hospital far from here?
15. I hope so.
Ⅲ. 16. C put out“伸出”，医生要给她做检查，请她伸出舌头。
17. B 从下文可知医生认为她没有病。
18. D take exercise“锻炼”。
19. A tell sb. sth.“告诉某人某事”。
20. C like在此是介词“像”。
21. A 根据上下文，此句应意为“我不想听任何借口”，故选hear。
22. B for表示目的，exercise在这里作名词用。
23. C 从上文得知“你不经常锻炼就会变胖”，get fat“变胖”。
24. D a few修饰可数名词复数，表示肯定意义，而few修饰可数名词复数，表示否定意义，little和a little修饰不可数名词，故选D。
25. D Would you please …? 后跟动词原形; listen to“听……讲”。
Ⅳ. (A)
26. B 根据表格第四行可知“在周三只有Li Lei在运动”，故选B。
27. B 根据表格倒数第二行可知“在周六有三人在运动”，故选B。
28. D 根据表格显示“Steve从周一到周六都没运动”，故选D。
29. C 根据表格显示“周一至周六Li Lei都在运动”，故选C。
30. D 根据表格“Xiao Pang 周二、四、日运动三次，Jack周一、五、六、也运动三次”，故
选D。
(B)
31. C 由第一封e-mail我们知道是写给Cindy的, 由第三句提到“你能告诉我在中国人们
是如何避免的吗？” 可知Cindy是在中国。
32. B 由第一封e-mail第三句可知。
33. D 由第二封e-mail, 提到“很多鸡啊、鸭啊都死掉了, 一些鸟飞来飞去把病菌带到别
的地方, 这是一个严重的问题。”可知选D。
34. A solve “解决”。
35. B 由第二封e-mail我们可知，每天锻炼, 常开窗, 常洗手, 多吃蔬菜少吃肉, 早睡早
起都可帮助我们预防疾病。故B说晚睡是对我们健康有害的。
(C)
36. F 根据①处句子“参加音乐、美术班并非指要求你有多高水平才能参加”可知，故说
法是错误的。
37. T 根据倒数第二段中间句“它能帮你学技术也能帮你学会合作”可知，故说法是正确的。
38. B 根据“参加音乐、美术班不需要你有多么棒”可知，故选B。
39. 你最好选一个你最喜欢的团体体育项目。
40. Because it can help to keep your heart and lungs healthy.
第三部分 写作
Ⅰ. (A)1. build up 2. happening 3. message 4. fat 5. no
(B)6. themselves 7. Finally 8. illness 9. yourself 10. building
Ⅱ. 11. keep/make; clean 12. spent; finishing 13. What should 14. ahead 15. Do; have to
Ⅲ. 参考范文:
Hello, everyone! Now I will give you some advice about how to keep healthy.
First, never eat unhealthy food. Fast food, junk food and hot food are all bad for our health. We should eat green food.
Second, do more exercise. Exercising can keep us active all day. It’s good for our study.
Third, keep your room clean and keep the air in your room fresh. Stay away from the crowded places.
If you do these, you’ll be healthy.
That’s all! Thank you for listening!