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  3. Some pessimistic experts feel that the automobile is bound to fall into disuse. They see a day in the not-too-distant future whe

Some pessimistic experts feel that the automobile is bound to fall into disuse. They see a day in the not-too-distant future whe

admin2014-08-25  52
问题     Some pessimistic experts feel that the automobile is bound to fall into disuse. They see a day in the not-too-distant future when all autos will be abandoned and allowed to rust. Other authorities, however, think the auto is here to stay. They hold that the car will remain a leading means of urban travel in the foreseeable future.
    The motorcar will undoubtedly change significantly over the next 30 years. It should become smaller, safer, and more economical, and should not be powered by the gasoline engine. The car of the future should be far more pollution-free than present types.
    Regardless of its power source, the auto in the future will still be the main problem in urban traffic congestion(拥挤). One proposed solution to this problem is the automated highway system.
    When the auto enters the highway system, a retractable(可伸缩的)arm will drop from the auto and make contact with a rail, which is similar to those powering subway trains electrically. Once attached to the rail, the car will become electrically powered from the system, and control of the vehicle will pass to a central computer. The computer will then monitor all of the car’ s movements.
    The driver will use a telephone to dial instructions about his destination into the system. The computer will calculate the best route, and reserve space for the car all the way to the correct exit from the highway. The driver will then be free to relax and wait for the buzzer(蜂鸣器)that will warn him of his coming exit. It is estimated that an automated highway will be able to handle 10,000 vehicles per hour, compared with the 1 ,500 to 2,000 vehicles that can be carried by a present-day highway.
What is the author’ s attitude toward the future of autos?
选项 A、Enthusiastic.
B、Pessimistic.
C、Optimistic.
D、Cautious.
答案C
解析 推理判断题。通读全文可以推断，由于计算机监控系统的使用，作者对汽车的前景是持乐观态度的。因此正确答案为C。
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