国开电大《理工英语1》单元自测6形考任务答案

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1. — A: ( ) are the most popular things people buy online?
— B: Definitely, clothes.
A. How about
B. What do you think
C. How do you think
2. — ( )
— Oh, no, Frankly speaking, I seldom do online shopping.
A. Got any good deals?
B. Do you got any good deals?
C. I bought many good deals online.
3. — ( )
— I mean the best way is using your own mobile phone or computer to operate it.
A. What do you mean?
B. What do you think?
C. How do you think?
4. — We have to stay at home for a whole day. Why not go out and have a walk?
— ( )
A. It like a good idea.
B. It sounds like a good idea.
C. How is a good idea.
5. — Susan ,what do you think of my plan?
— _______________
A. It’s reasonable .
B. It’s pleasant.
C. It’s possible.
6. I’m ( ) a business trip for APEC summit, sir.
A. on
B. for
C. in
7. For days, smog persisted in many areas. China is ( ) to control air pollution.
A. take measures
B. doing business
C. taking measures
8. Cleaner heating system will( )in Beijing to control air pollution.
A. be sent
B. be covered
C. be established
9. Have you filled in the application form ( ) ( ) your passport yet?
A. in
B. for
C. of
10. If he persists ( ) awkward questions, then send him to the boss.
A. in asking
B. to ask
C. to be asked
11. Miss Liu doesn’t mind _______ your homework as long as it is done by yourself.
A. you to delay handing in
B. your delaying handing in
C. your delaying to hand in
12. I suppose you know everything about that event, ________ ?
A. don’t you
B. do I
C. do you
13. There is no doubt __________Herbert is the most industrious student in our class.
A. whether
B. what
C. that
14. ________ is known to the world, Mark Twain is a great American writer.
A. As
B. That
C. Who
15. Listen to the two girls by the window. What language ( ) ?
A. were they speaking
B. are they speaking
C. did they speak
16. 二、阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。
Air pollution
People and air pollution are often in the same places. This means that cities with large populations have the biggest problem of dirty air. Air pollution is caused by many different things. A major kind of air pollution is the gas from cars. Statistics (统计资料) show that 93 percent of all auto trips are within cities.Another major kind of dirty air is the burning of coal and oil for energy. This energy is needed to make electricity. Of course, much more electricity is used in the city than in the country.On the average, we throw away more rubbish than the year before. The burning of rubbish makes air pollution even worse. Many major industries are also responsible for the dirty air in the around cities. The fumes (烟) from iron, steel, chemical, and petrol production add particles (微粒) to the air.The effects of air pollution range from mild headaches to death. The levels of pollution found in heavy traffic may cause headaches for loss of clear vision. Wherever coal and oil are used for fuel, fumes may kill trees and plants and cause metal to corrode (腐蚀). In some of the larger cities, these fumes endanger the lives of human beings by contributing to lung diseases and causing early death. The key point of the passage is that (1) .
A．the cause of air pollution is people
B．the causes and the effects of air pollution are both found in cities
C．the effects of air pollution range from headaches to death
2. What is the purpose of this passage? (2)
A．to persuade people to stop polluting the air
B．to tell the causes of air pollution
C．to tell why cities are bad places to live
3. Why is air pollution more grave in the city than in the country? (3)
A．Because there are larger populations in cities.
B．Because the air in the city is dirty.
C．Because there are much more gas fumes from cars and burning of coal and oil for energy in the city than in the country.
4. The fumes from coal and oil may cause metal (4) .
A．to corrode B．to twist C．to turn black
5. In larger cities, the fumes from coal and oil may contribute to (5) .
A．heart disease B．loss of clear vision C．lung diseases