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Câu trả lời:

Read the paragraphs below and the summary which follows

Air pollution is a cause of ill-health in human beings. In a lot of countries there are laws limiting the amount of smoke which factories can produce. Although there isn’t enuogh information on the effects of smoke in the atmosphere, doctors have proved that air pollution causes lung diseases.

The gases from the exhausts of cars have also increased air pollution in most cities. The lead in petrol produces a poisonous gas which often collects in busy streets surrounded by high buildings. Children who live in areas where there is a lot of lead in the atmosphere can’t think as quickly as other children and are clumsy when they use their hands.

There are other long-term effects of pollution. If the gases in the atmosphere continue to increase , the earth’s climate may become warmer. A lot of the ice near the Poles ma melt and may cause serious floods.

* Complete the summary by writing the correct word in each blank (write one word only.)

Air ______pollution_____ (52) can make people ___sick________ (53). Consequently, some countries pass _____laws_______ (54) to control the quantity of _____smoke______ (55) in the air. Air pollution causes particular damage to the body by harming the  ___lungs________ (56). _________lead____ (57) should not be used in petrol because it is bad for children’s ______health_______ (58) and makes them clumsy in using their hands. Poisonous gas from _____lead_______ (59) collects in those parts of cities where there are tall buildings. Pollution can also have an influence on the earth’s _____climate_______ (60). The ice may melt near the North and South Poles, resulting in very bad ___floods_________ (61).

Câu trả lời:

1. Choose the correct answer

1. Some snakes lay eggs, but _______ give birth to live offspring.

A. other B. the other C. others D. the others

2. I can remember _________ you about this three times already.

A. telling B. to tell C. told D. tell

3. Don’t worry about the party. I’ll _________ to it.

A. offer B. care C. see D. devote

4. _____________ have made communication faster and easier through the use of e-mail and the Internet iswidely recognized.

A. It is that computers B. That computers C. Computers that D. That it is computers

5. _________ you should do now is to take a long holiday

A. That B. Which C. What D. It

6. ____________ you to be offered that job, would you have to move to another city?

A. Provided that B. Should C. Were D. Had

7. I ___________Katie, an old friend of mine, on the way home from work yesterday.

A. came into B. ran into C. call off D. get into

8. Tom was wearing a suit, ___________ was unsuitable for an informal gathering.

A. and B. it C. which D. that

9. Anne: "Make yourself at home". -- John : "._________________."

A. Yes, Can I help you? B. Not at all. Don't mention it.C. Thanks! Same to you. D. That's very kind. Thank you

10. My car would not start ____________ Jenny’s started immediately.

A. whereas B. though C. however D. nevertheless

11. You work very hard. I’m sure you’ll have no _______ the exam .

A. difficulties of passing B. difficulty passingC. difficulties to pass D. difficulty to pass

12. _____________________ director must have surprised all the staff.

A. You nominated B. Your being nominatedC. You have been nominated D. Your nominating

13. This is such an important question that we can’t _________________thinking it over.

A. point B. use C. help D. stand

14. ________________ the Christmas shopping season begins.

A. That is after Thanksgiving B. After Thanksgiving it isC. It is after Thanksgiving that D. It is Thanksgiving that

15. My new glasses cost me _______ the last pair I bought last month.

A. more than three times B. three times as much asC. more three times than D. as much three times as

16. You will find their house __________ you take a good street map with you.A. as long as B. even if C. unless D. otherwise: