Unit 2 Topic 2 I must ask him to give up smoking知识点讲义+练习（附答案）

同步知识点讲义和练习
重、难点
I must ask him to give up smoking.
give up 是放弃的意思，后面跟动词作宾语时，要用动名词。
give up doing sth. = stop doing sth. 放弃做某事
Eg: You should give up smoking.=You should stop smoking. 你应该戒烟。
give up 属于动词和副词构成的短语，接代词作宾语时要把代词放在动词和副词之间。
Eg: Give it up. 放弃它。
我们学过的类似短语有：pick up 捡起，拾起；try on 试一试；put away 收好； wake up 唤醒
2. It will keep you active during the day.
(1)keep + 宾语 + 补语 （补语可以是：动词ing 形式；形容词；副词；介词短语 ）
①I’m sorry to keep you waiting for such a long time. (keep sb. doing sth.使某人一直做某事 )
②Keep the door open, please. (keep sb/sth+形容词，表示某人/某事物保持怎样的状态)
③Once a cold keep the child in bed for three days (keep sb+介词短语，表示某人呆在某地)
④You had better keep the children away from the fire.
(2) during the day = in the daytime 在白天
3. It may show that something is wrong with your health.
show. v. 出示，显示。
(1) show sb. sth. = show sth. to sb. 向某人展示某物
Please show me your new book.请让我看一看你的新书。
(2) show sb. around 带某人参观某地
I’ll show you around our school tomorrow.明天我将带你参观我们学校。
4. It’s necessary for us to have healthy eating habits.
句型：It is + 形容词 + for sb. to do sth. (it代替后面的不定式) 对于某人来说，去做某事是…的， 如：
It’s useful for us to learn English well.
Mr. Smith drinks enough water every day.
enough. adj. 意为“足够的，充分的”。在句中作宾语，可放在名词前。
Eg: I have enough time to do it.
enough. adv. 意为“足够地，充分地”，通常放在被修饰的形容词或副词后面。
Eg: This book is easy enough for him.
常用结构为：adj. /adv. enough for sb to do.
Eg: This book is easy for him to read.
6. Be careful not to eat too much salt or sugar.
be careful (not) to do sth. 当心（不）要做某事。
Eg: Be careful to cross the road.
Be careful not to drive too fast.
Jane didn’t like it, but her mother always forced her to drink it.
force sb to do sth. 强迫某人做某事。
Eg: The policeman force him to stay in the room.
Every morning before she left for school, she had to drink a glass of milk because her mother was always watchiong her.
be always doing sth. 老是、一再地做某事。带有一定的感彩。
Eg: He is always forgetting my name.
But his mother made him taste it.
make sb do sth. 使某人做某事。
Eg: The monkey makes us laugh.
He was surprised to find that it was delicious!
be surprised to do sth. 很惊讶地做某事。
Eg: I’m surprised to see him here.
重点词组或短语：
in the sun 在阳光下
go for a walk 去散步
take a walk = have a walk 散步
throw around到处扔
in fact 事实上
Stay up 熬夜
on an empty stomach 空腹
get into 进入,陷入 （get into trouble 陷入麻烦）
as we know = it is well know众所周知
in different ways 以不同的方式
as soon as 一……就……，尽快
not only... but (also)...
语法精讲—情态动词
Must 情态动词，意为“必须，应该，一定要”，后面接动词原形。
(1) 表示说话人的意志和义务。或表示说话人强烈的要求和命令。多用于肯定句或疑问句。
We must study hard.
You must say sorry to me for that.
(2) must 的否定式为must not，缩写为mustn’t，表示“不应该，不准，禁止”等。构成疑问句时只需将must置于主语前，在句尾加问号。肯定回答用must，否定回答用needn’t或don’t have to。
You mustn’t throw litter around.
—Must I go now?
—Yes, you must./No, you needn’t/don’t have to.
(3) must 可以用来表示有把握的推测，其否定式为can’t。如：
The light is still on. He must be at home.
The light isn’t on. He can’t be at home.
may 情态动词，意为“可以”的意思.
(1) 表示允许或征询对方的许可。如：
May I come in ?
You may borrow my bike.
—May I wait at here?
—Yes, you may./No, you mustn’t/can’t.
肯定回答用Yes, you may. 否定回答用No, you mustn’t./No, you can’t.此时可与can互换。
表示推测，常用于肯定句中，暗含不确定。如：
It may be sunny later.
Can
(1) 表示能力，意为“能，会”的意思。可和be able to 互换。
I can fly a kite.
I can make some model cars.
表示允许，意为“可以，能够”，在口语中代替may。
Can I use your pen?
Can I smoke here?
表示可能性，常用于否定句或疑问句中。如：
Can it be true?
—Can that man be our teacher?
—No, he can’t be our teacher. I saw our teacher in the office just now..
【典型例题讲解】
( )1. —Watching TV too much _______ bad for your eyes.
—I’ll go to bed right away.
A. is B. are C. was D. be
( )2. —I’m fat. What should I do?
—You’d better eat _______ meat and _______ fruits.
A. less; more B. less; less C. more; less D. more; more
( )3. —I am afraid we will miss the early bus.
—Don’t worry. We have _______ time to do it.
A. few B. enough C. little D. many
( )4. _______ necessary for us _______ English well.
A. This is; to learn B. It’s; to learn C. It’s; learn D. That’s; learn
( )5. —You’d better not read _______. It’s bad for your eyes.
—You’re right. I won’t do that again.
A. in the sun B. under the sun C. on the sun D. above the sun
( )6. —Humans can’t live _______ air.
—I agree with you.
A. without B. with C. in D. for
( )7. You are weak. _______ important for you _______ every day.
A. They’re; to exercise B. It’s; to exercise
C. They’re; exercising D. It’s; exercising
( )8. —Scientists tell us smoking can cause cancer.
—_______
A. OK. B. That’s a good idea.
C. It’s really terrible. D. It doesn’t matter.
( )9. You had better ask your brother _______ playing computer games. It’s bad for him.
A. to give up B. not to give up C. to give it up D. not give it up
( )10. Sugar tastes sweet. But, _______, it’s bad to eat too much.
A. such as B. for example C. in fact D. though
【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：Good morning, Doctor Wang.
B：Good morning, young man. What’s wrong with you?
A：I have a stomachache.
B：11.
A：It began about 2 days ago.
B：12.
A：No, I seldom have breakfast.
B：Oh, it’s not good. 13.
A：Yes, I like fast food very much.
B：14.
A：Every day.
B：I see. You have a bad eating habit. You’d better change it.
A：OK. 15. Thank you!
Ⅲ. 完形填空。（10分）
David was a doctor. He spent 16 time in playing when he was in the medical college. Of course, he learned nothing. Later on, he tried to find a 17 in the cities, but he failed. He 18 return to his hometown. It was 19 and there was only one hospital in it. He thought he knew much and looked down upon (瞧不起) his 20 . But soon the patients found he was not a good doctor 21 few asked him to look them over. He knew but he didn’t 22 .
One day a traveler came into his office. The man caught a cold and wanted some 23 . David hoped to be paid more and looked over one of the traveler’s eyes 24 . “Oh dear!” called out David, “You have a bad heart disease. You should be in hospital and only I can help you!”“Please 25 my right eye, Sir,”said the traveler,“the left one is false (假的). ”
( )16. A. much B. a little C. no D. little
( )17. A. doctor B. job C. hospital D. friend
( )18. A. must B. should C. had to D. had better
( )19. A. new B. big C. small D. beautiful
( )20. A. parents B. patients C. friends D. workmates
( )21. A. but B. and C. however D. because
( )22. A. say B. fight C. believe D. mind
( )23. A. money B. food C. drink D. medicine
( )24. A. quickly B. carefully C. softly D. careful
( )25. A. look at B. look for C. look after D. look like
　　【课后强化练习】
Ⅳ. 阅读理解。（30分）
（A）
Many people can’t get good and enough sleep because of the stress of working and studying. Do you often wake up in the night? Can you get up easily on time? Do you feel tired after getting up? Can you put your heart into the class? Do you feel sleepy during the daytime? If your answer is yes, that means you get a bad night’s sleep.
But how to get good and enough sleep?
First, never drink coffee before bedtime. Second, don’t eat too much. Third, you’d better take a shower before going to bed. Fourth, go to bed and get up at the same time every day.
Another way is to count numbers (数数) in your heart. It can give you fast sleep. Lying on the bed for long doesn’t mean you will have good sleep. It’s important for us students to get good and enough sleep. Less than eight hours is not enough. Let’s keep a good sleep habit.
根据短文内容，选择正确答案。
( )26. The passage shows us ways to get good and enough sleep.
A. 2 B. 3 C. 4 D. 5
( )27. _______ can help us fall asleep quickly.
A. Staying up late B. Eating before bedtime
C. Counting numbers D. Drinking coffee
( )28. Feeling sleepy in class shows _______.
A. you are not interested in your lesson
B. you don’t like the teacher
C. you didn’t sleep well the night before
D. you have a bad cold
( )29. A child needs _______ hours at least for sleeping every day.
A. 5 B. 6 C. 7 D. 8
( )30. The main idea of this passage is _______.
A. how to get good and enough sleep
B. when is the best time to go to bed
C. why don’t people have good sleep
D. we had better not drink coffee before bedtime
（B）
You are what you eat
Keeping better eating habits can help you reduce (减少) disease. A healthy eating plan means choosing the right foods to eat and preparing foods in a healthy way.
_______________________
Do you often change your toothbrush? Maybe you think it is not necessary. A study shows old toothbrushes bring disease. You should often change your toothbrush.
Exercise
Swimming, running, skating, skiing, dancing, walking and some other activities can help you stay healthy. You should exercise at least three times a week and for twenty minutes or more each time. Do it.
Plan out your life
You should have breakfast before you go to school. Have a proper (合适的) meal for lunch. Follow a healthy diet.
根据短文内容，选择正确答案。
( )31. What’s the passage mainly about?
A. Healthy food. B. Healthy lifestyle (生活方式). C. Junk food. D. Healthy sports.
( )32. What is the best title (标题) for the second paragraph?
A. Man’s disease B. Disease
C. Watch the toothbrush D. Your bathroom
( )33. At least how long should you exercise each time?
A. Twenty minutes. B. Fifteen minutes.
C. Ten minutes. D. Five minutes.
( )34. From the passage, we know _______ can help us stay healthy.
A. proper diet B. exercise
C. sleep and exercise D. A and B
( )35. What does a healthy eating plan mean?
A. Choosing the right foods. B. Cooking the foods in a healthy way.
C. Never eat meat or fresh vegetables. D. Both A and B.
（C）
Li Qiang is a twelve-year-old boy. He had a headache yesterday. His father took him to the nearest hospital to see a doctor. The doctor thought it was not serious and gave him some pills. The following are the instructions (说明) of the headache pills.
Instructions Take three times a day after meals.
Dose(剂量): Grown-ups(成人): 2 pills each time
Children(8-15 years old): one pill each time
(4-7 years old ): 1/2 pill each time
NOT fit for children below the age of 4.
Notes: 1. Store it in a cold place.
2. Use it before Dec. 2014.
Add: Harbin, Heilongjiang
根据短文内容，选择正确答案。
( )36. Li Qiang should take the pills _______ meals.
A. after B. before
C. when D. we don’t know
( )37. The pill will be bad after the year _______.
A. 2011 B. 2012 C. 2013 D. 2014
( )38. Li Qiang should take _______ pill(s) each time.
A. one B. two C. three D. four
( )39. We can read the instructions _______.
A. on a medicine bottle B. in a newspaper
C. in a story book D. in a diary
( )40. Which of the following statements is NOT true?
A. The pills must be stored in a cold place.
B. A six-year-old child can take 1/2 pill each time.
C. Even an adult(成人) can’t take more than three pills each time.
D. The pills are made in the USA.
第三部分 写作（25分）
Ⅰ. 词汇。（10分）
(A)根据句意及首字母提示补全单词。
1. We should help the sick girl as p_______ as we can.
2. The chemicals on the vegetables are bad for our b_______.
3. We shouldn’t eat too much ice c_______.
4. Fruit is good for our health. We like to eat w_______ in summer.
5. Many d_______ are caused by germs.
(B)用括号内所给单词的适当形式填空。
6. I like to eat _______ (potato).
7. His _______ (ill) isn’t serious.
8. My sister likes to eat _______ (tomato).
9. _______ (sandwich) are from foreign countries(来自国外).
10. I am _______ (surprise) at the news.
Ⅱ. 根据句意及汉语提示填空。（5分）
11. Ling Ling is reading an _______ (文章) about cancer.
12. The doctor asked the old man to drink milk _______ (没有) sugar.
13. In the old days, the boss (老板) _______ (强迫) the worker to do more work.
14. I feel _______ (虚弱的) these days.
15. It’s _______ (必要的) to drink water every day.
Ⅲ. 书面表达。（10分）
假如你是康康，你很健康，你是如何保持健康的？从个人生活习惯角度谈谈你的保健方法。不少于60词。





1. A watching TV是动名词短语,在这里作主语,谓语动词应用单数。
2. A 因为less是little的比较级：more是many、much的比较级，根据语境应是“少吃肉多吃水果”之意，故选A。
3. B 根据语境：既然不用担心说明时间充分，故选B。
4. B 考查句型“It’s+形容词+for sb. to do sth. ”本句中, it是形式主语, to learn English才是真正的主语。
5. A 根据in the sun“在太阳下”是固定短语可知，故选A。
6. A live表示“住,生存”, 根据语境这句话是说 “没有空气, 人类无法生存” , 应选without表示 “没有”。
7. B 因为It+be+形容词+to do是固定句型，故选B。
8. C 根据语境“抽烟能导致癌症是一件可怕的事”可知，故选C。
9. A 考查ask sb. to do sth. “叫某人做某事”。因此A符合题意。
10. C 根据语境“甜的糖会让人忽略它的坏处这一事实”可知，故选C。
Ⅱ. 11. When did it begin?
12. Do you often have breakfast?
13. Do you like eating fast food?
14. How often do you eat it?
15. I will.
Ⅲ. 16. A 由下句“他什么也没学到”可知他玩的时间应该很多,故选A。
17. B 由句意可知他想在城市里找工作。
18. C 上句说到他找工作失败了, 所以“不得不”回到家乡。
19. C 由于只有一家医院, 可见他的家乡是一个“小”地方。
20. D 他自以为自己懂得多, 那他看不起的应该是(医疗知识)懂得少的同事。
21. B 此句没有转折的意味, 也不是因果关系, 只能选表并列的and表示“病人发现他不是一个好医生, 几乎没人找他看病。”
22. D mind在这里表示“介意”。
23. D 这人生病了, 那么他需要的应该是“药”,故选D。
24. B 因为他想得到更多的报酬, 因此他仔细地对游客的眼睛作了检查。
25. A 此句意思是“请看我的右眼,先生。” B表示“寻找”, C表示“照顾,照看”, D表示“看起
来像”。
Ⅳ. (A)
26. D 根据文中“First, …, Another way is …”可知，共有五种方法，故选D。
27. C 根据文章倒数第二段前两句“在心里数数能给你一个很快的睡眠”可知，故选C。
28. C 根据文章第二段最后两句“你上课睡觉吗？如果是，说明你晚上睡眠质量差”可知，
故选C。
29. D 根据文中最后一段第二句“低于8小时是不够的”可知，故选D。
30. A 全文讲述了不良睡眠带来的坏处以及形成原因和改变办法，又根据文章第一句点明
题旨，故选A。
(B)
31. B 这几部分讲述了“健康的饮食、卫生、运动和生活计划”都是描述生活方式的, 故
选B。
32. C 第二段讲述的是牙刷的问题。
33. A 由第三段第二句“你应该一周至少活动三次,一次二十分钟或二十多分钟。” 故选A。
34. D 要想身体好,仅有合理的饮食是不够的, 还要进行适当的锻炼, 故选为D。
35. D 健康的饮食计划应包括两个方面 “吃什么” 和 “怎么做” , 故选为D。
(C)
36. A 根据表格第二行“饭后每天服用三次”可知，故选A。
37. D 根据表格倒数第二行“2014年前使用”可知，故选D。
38. A 根据表格第三行“8—15岁的孩子每次服用一片”又根据文章第一句“李强是一个
12岁的男孩”可知，故选A。
39. A 本文是对药物服用的指导说明，只能在药瓶、药盒或药品使用说明书看到，故选A。
40. D 根据表格最后一行“黑龙江哈尔滨”可知该药物产自中国而非美国，故选D。
第三部分 写作
Ⅰ. (A) 1. possible 2. bodies 3. cream 4. watermelon 5. diseases
(B) 6. potatoes 7. illness 8. tomatoes 9. Sandwiches 10. surprised
Ⅱ. 11. article 12. without 13. forced 14. weak 15. necessary
Ⅲ. 参考范文:
I am Kangakang. I am glad to talk about health.
I never go to school without breakfast. I think breakfast can keep us active all day. I always have meals at home and I seldom eat out. I don’t like fast food. Mum says it’s unhealthy.
I like doing sports. Before breakfast I run for half an hour. I play basketball with my friends after school. Of course I will do some other sports. I exercise at least two hours every day.
I played computer games a lot before, but now I find myself and I am living a healthy and happy life. What about you?