I, Đọc đoạn văn trả lời đúng cho các câu hỏi :
Smog is a combination of smoke and fog It occurs when gases from bunt fuel mix with fogon the ground. When heat and sunlight get together with these gases, they form fine,dangerous particles in the air.
Smog occurs in big cities with a lot of traffic. Particularly, in the summertime, when it is veryhot, smog stays near the ground. It is dangerous to our breathing, and in smoggy areas, we can not see very well.
Smog was first discovered in Great B...
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I, Đọc đoạn văn trả lời đúng cho các câu hỏi :
Smog is a combination of smoke and fog It occurs when gases from bunt fuel mix with fogon the ground. When heat and sunlight get together with these gases, they form fine,dangerous particles in the air.
Smog occurs in big cities with a lot of traffic. Particularly, in the summertime, when it is veryhot, smog stays near the ground. It is dangerous to our breathing, and in smoggy areas, we can not see very well.
Smog was first discovered in Great Britain in the 19th century, during the beginning of theIndustrial Revolution. At that time, people used coal for heating and cooking. Factories alsoused coal to produce iron and steel. Smoke mixed with wet, foggy air and turned yellow. Thesmog often hung over cities for many days. It caused lung diseases and breathing problem. Thousands of people died in London every year.
Today, cities that have a large population and are located in hot, subtropical areas have thebiggest smog problems for example, Los Angeles, Mexico City and Cairo.
I. Where can smog possibly be found?
A. At a place where it is rainy
B. At a place where the traffic is heavy and the weather is foggy
C. Underground
D. In a city where many people smoke
2 In the first paragraph, the word fine is closest in meaning to
A.tiny
B.good
C. harmful
D. shiny
3. What will happen if smog stays close to the ground ?
A. It will disappear in a shot time.
B. It will make the sky cleaner.
C. It will harm our health and block our sight.
D. It will cause many storms.
4. What probably caused the smog in Britain at the beginning of the Industrial Revolution?
A. There were too many cars in the country.
B. The weather there was too foggy
C. Factories and people used coal as energy
D. People smoke a lot at that time.
5. In the third paragraph, the word it refers to.......
A. iron
C. steel
D. smoke
B. smog
6. According to the author, what kind of cities is facing the most severe smog problems?
A. Some cities inthe United States.
B. Highly populated cities located in subtropical areas. C. Cities which have heavy traffic and a large number of cars Some cities in the United States
D. Cities with large-scale industry.