Question

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Each year there is an increasing number of cars on roads and streets as millions of new cars are produced．One out of every six Americans works at putting together the parts of cars, driving trucks, building roads or filling cars with gas．American won't live without cars!

  Most Americans find it hard to think what life would be like without a car．However, some have realized the serious problem of air pollution by cars．The polluted air is poisonous(有毒的)and dangerous to health．

  One way to get rid of(排除)the polluted air is to build a new kind of car．That's what several of the large car factories are trying to do．But progress in this field has been slow．

  Another way is to take the place of the car engine(发动机) by something else．Engineers are now working on some new cars．Many makers believe that it will take years to develop a practical model that satisfies man．

  To prevent the world from being polluted by cars, we'll have to make some changes in the way of us live．Americans, for example, have to cut down on the number of their cars．They are encouraged to travel and go to work by bike．Riding a bike is thought to help keep the air clean．

  But this change does not come easily------a large number of workers may find themselves without jobs if a car factory closes down．And the problem of air pollution would become less important than that of unemployment(失业)．

Advantages &disadvantages of the cars	Cars are very important to Americans, If a car factory closes down, lots of workers will1.________ out of work. More cars are moving than before. More air pollution is produced by cars. It is 2._________to health.
Problem-solving methods	Try to build a new kind of clean cars, though it’s easier 3._______than done. Develop something practical to take the place of the 4._________car engine. Change or choose some other5._______ways to reduce the pollution.

Answer

1.be

2.harmful

3.said

4.traditional

5.living

【解析】

试题分析：汽车与现代人的生活息息相关，但由汽车导致的大气污染问题也很严重。针对这一问题，本文讨论了一些解决方法例如生产使用清洁能源的汽车，或者以自行车代替汽车等等。

1.be句意：车辆对美国人很重要，如果车辆工厂倒闭了，许多工人将会失去工作。由短文最后一段可知，如果生产车辆的工厂倒闭了，许多工厂里的工人会失去工作。失去工作：be out of work。助动词will后跟动词原形。故填：be。

2.harmful句意：更多的车辆在驾驶，更多的污染物被小车产生出来。对健康有害。由第二段最后一句：The polluted air is poisonous(有毒的)and dangerous to health．可知，被污染的空气对健康危险。对……有害：be harmful to。故填：harmful。

3.said句意：努力制作一种新的清洁的小车，虽然说不做容易。由短文第三段内容可知，减少污染的方法之一是生产出清洁的新型小车，但是进展缓慢。做比说难，说比做容易。故填：said。

4.traditional句意：发展一些实用的东西来替代传统的小车引擎。由第四段内容可知，科学家们在试图对车辆作一些改变，不再用传统的引擎。传统的：traditional。故填：traditional。

5.句意：改变或是选择一些其它的生活方式来减少污染。由倒数第二段的第一句：To prevent the world from being polluted by cars, we'll have to make some changes in the way of us live.可知，我们必须对我们的生活方式作一些改变来孩子世界被小车污染。生活：live，介词of后跟动名词。故填：living.

考点：考查阅读填空。