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- [材料题] 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 electrica
- 单项选择题1.One significant improvement in the future car will probably be ________.
A、its power source
B、its driving system
C、its monitoring system
D、its seating capacity
- A
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- 单项选择题2.What is the author’s main concern?
A、How to render automobiles pollution-free.
B、How to make smaller and safer automobiles.
C、How to solve the problem of traffic jams.
D、How to develop an automated subway system.
- C
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- 单项选择题3.In an automated highway system, all the driver needs to do is ________.
A、keep in the right lane
B、wait to arrive at his destination
C、keep in constant touch with the computer center
D、inform the system of his destination by phone
- D
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- 单项选择题4.What is the author’s attitude toward the future of autos?
A、Enthusiastic.
B、Pessimistic.
C、Optimistic.
D、Cautious.
- C
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- 单项选择题5.What provides autos with electric power in an automated highway system?
A、A rail.
B、An engine.
C、A retractable arm.
D、A computer controller.
- A
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