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.
Q: What is the author s attitude toward the future of autos?
A) Enthusiastic. B) Pessimistic.
C) Optimistic. D) Cautious.
【题目译文】对于汽车的未来,作者的态度是什么?
【答案解析】C。在最后一句话中,作者说明了自动高速公路系统的优势,平均每小时可以处理1万辆汽车,但是现在的高速公路每小时只能处理1500~2000辆汽车,所以作者对于汽车未来的态度应该是乐观的。
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