On roads painted with chevrons, drivers tend to feel that ________.

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• 1The passage mainly discusses ________.

  A.a new way of highway speed control

  B.a new pattern for painting highways

  C.a new approach to training drivers

  D.a new type of optical illusion

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• 2Which of the following best describes the author’s tone in this passage、

  A.Optimistic.

  B.Critical.

  C.B.Critical.C.Objective.

  D.Arbitrary.

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• 3We can conclude from the passage that ________.

  A.while pushing asteroids off course nuclear weapons would destroy the world

  B.asteroids racing across the night sky are likely to hit Earth in the near future

  C.the worry about asteroids can be left to future generations since it is unlikely to happen in our lifetime

  D.workable solutions still have to be found to prevent a collision of asteroids with Earth

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• 4What do people think of the suggestion of using nuclear weapons to alter the courses of asteroids、

  A.It sounds practical but it may not solve the problem.

  B.It may create more problems than it might solve.

  C.It is a waste of money because a collision of asteroids with Earth is very unlikely.

  D.Further research should be done before it is proved applicabl

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• 5What do scientists say about the collision of an asteroid with Earth、

  A.It is very unlikely but the danger exists.

  B.Such a collision might occur once every 25 years.

  C.Collisions of smaller asteroids with Earth occur more often than expecte

  D.D.It’s still too early to say whether such a collision might occur.

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• 6The advantage of chevrons over straight, horizontal bars is that the former ________.

  A.can keep drivers awake

  B.can cut road accidents in half

  C.will have a longer effect on drivers

  D.will look more attractive

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• 7The American Automobile Association Foundation for Traffic Safety plans to ________.

  A.try out the Japanese method in certain areas

  B.change the road signs across the country

  C.replace straight, horizontal bars with chevrons

  D.repeat the Japanese road patterns

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• 8What does the author say about straight, horizontal bars painted across roads、

  A.They are falling out of use in the United States.

  B.They tend to be ignored by drivers in a short period of time.

  C.They are applicable only on broad roads.

  D.They cannot be applied successfully to traffic circles.

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• 9What’s the author’s purpose in writing this passage、

  A.To show the inability of trains to compete with planes with respect to speed and convenience.

  B.To stress the influence of the automobile on America’s standard of convenience.

  C.To emphasize the function of travel agencies in market promotion.

  D.To illustrate the important role of persuasive communication in changing consumer attitudes.

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• 10It can be inferred from the passage that the drop in Amtrak ridership was due to the fact that ________.

  A.trains were not suitable for short distance passenger transportation

  B.trains were not the fastest and most convenient form of transportation

  C.trains were not as fast and convenient as they used to be

  D.trains could not compete with planes in terms of luxury and convenience

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