[外语类试卷]阅读理解练习试卷12及答案与解析.doc
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1、阅读理解练习试卷 12及答案与解析 一、 Reading Comprehension Directions: There are 5 passages in this part. Each passage is followed by 5 questions or unfinished statements. For each of them there are 4 choices marked A, B, C and D. Choose the best one and mark the corresponding letter with a single bar across the sq
2、uare brackets on your machine-scoring ANSWER SHEET. 0 A report published recently brings bad news about air pollution. It suggests that it could be as damaging to our health as exposure to the radiation from the 1986 Ukraine nuclear power disaster. The report was published by the UK Royal Commission
3、 on Environmental Pollution. But what can city people do to reduce exposure to air pollution? Quite a lot, it turns out. Avoid walking in busy streets. Choose side streets and parks instead. Pollution levels can fall a considerable amount just by moving a few meters away from the main pollution sour
4、ce exhaust fumes (烟气 ). Also dont walk behind smokers. Walk on the windward side of the street where exposure to pollutants can be 50 percent less than on the downwind side. Sitting on the drivers side of a bus can increase your exposure by 10 percent, compared with sitting on the side nearest the p
5、avement. Sitting upstairs on a double-decker can reduce exposure. It is difficult to say whether traveling on an underground train is better or worse than taking the bus. Air pollution on underground trains tends to be less toxic than that at street level, because underground pollution is mostly mad
6、e up of tiny iron particles thrown up by wheels hitting the rails. But diesel and petrol fumes have a mixture of pollutants. When you are crossing a road, stand well back from the curb while you wait for the light to change. Every meter really does count when you are close to traffic. As the traffic
7、 begins to move, fumes can be reduced in just a few seconds. So holding your breath for just a moment can make a difference, even though it might sound silly. There are large sudden pollution increases during rush hours. Pollution levels fall during nighttime. The time of year also makes a big diffe
8、rence. Pollution levels tend to be at their lowest during spring and autumn when winds are freshest. Extreme cold or hot weather has a trapping effect and tends to cause a build-up of pollutants. 1 What is the passage mainly about? ( A) How to fight air pollution in big cities. ( B) How to avoid air
9、 pollution in big cities. ( C) How to breathe fresh air in big cities. ( D) How serious air pollution is in big cities. 2 According to the report, air pollution in big cities _. ( A) can be more serious than Chernobyl nuclear disaster ( B) cannot be compared with the disaster in Chernobyl ( C) can r
10、elease as damaging radiation as the Chernobyl disaster ( D) can be more serious than we used to think 3 When you walk in a busy street, you should walk on the side _. ( A) where the wind is coming ( B) where the wind is going ( C) where the wind is weaker ( D) where the wind is stronger 4 If you tak
11、e a bus in a big city in China, you should sit _. ( A) on the left side in the bus ( B) on the right side in the bus ( C) in the middle of the bus ( D) at the back of the bus 5 It is implied in the passage that _. ( A) people should not take street level transportation ( B) tiny iron particles will
12、not cause health problems ( C) air pollution on an underground train is less poisonous ( D) traveling on an underground train is better than taking the bus 6 While waiting to cross a busy street, you should _. ( A) wait a few seconds until the fumes reduce ( B) stay away from the traffic as far as p
13、ossible ( C) hold your breath until you get to the other side of the street ( D) count down for the light to change 6 There are over 6 000 different computer and online games in the world now. A segment of them are considered to be both educational and harmlessly entertaining. One such game teaches
14、geography, and another trains pilots. Others train the player in logical thinking and problem solving. Some games may also help young people to become more computer literate, which is more important in this technology-driven era. But the dark side of the computer games has become more and more obvio
15、us. “A segment of games features anti-social themes of violence, sex and crude language,“ says David Walsh, president of the National Institute on Media and Family. “Unfortunately, its a segment that seems particularly popular with kids aged eight to fifteen.“ One study showed that almost 80 percent
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