A kind of little cars may some day take the place of today’s cars. If everyone drives such cars in the future，there will be less pollution from the cars. There will also be more space for parking cars in cities，and the streets will be less crowded. Three such cars can park in the space now needed for one car of the usual size.
The little cars will cost much less to own and to drive. Driving will be safer，too，as these little cars can go only 65 kilometers an hour. The cars of the future will be fine for getting around a city，but they will not be useful for long trips. Little cars will go 450 kilometers before needing to stop for more gas(汽油).
If big cars are still used along with the small ones，two sets of roads will be needed in the future. Some roads will be used for the big，quick cars and other roads will be needed for the slower，smaller ones.
【小题1】There is much pollution from the cars today because .A．people drive big carsB．the cars go 65 kilometers an hour C．people drive small carsD．the cars can go 450 kilometers an hour【小题2】The usual size of cars today are that of future cars.A．smaller thanB．the same asC．three times as large asD．a little larger than【小题3】We can learn from the passage that .A．big cars cost less to own and to driveB．the cars of the future will be much smaller than today’s cars C．big cars are not useful for long tripsD．small cars are faster than big ones【小题4】The street will be less crowded in the future because .A．there will be fewer carsB．there will be fewer people in the streetC．driving future cars will be safeD．future cars will be much smaller【小题5】Two sets of roads may be needed in the future because .A．there will be too many cars in the futureB．more and more people will get around a cityC．big cars will be used along with the small onesD．it looks more beautiful to have two sets of roadsA
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(答案→)A
解析：这篇短文中作者主要描述了未来的一种小型汽车的应用，并详细介绍了使用这种汽车的好处。
【小题1】根据第一段If everyone drives such cars in the future，there will be less pollution from the cars.推理可知，当今人们开大汽车，故选A。
【小题2】根据第一段Three such cars can park in the space now needed for one car of the usual size.推理可知，现在的汽车的大小是未来汽车的三倍，故选C。
【小题3】根据第一段Three such cars can park in the space now needed for one car of the usual size.描述，可知未来的汽车会比现在的汽车小得多，故选B。
【小题4】根据第一段A kind of little cars may some day take the place of today’s cars.……and the streets will be less crowded.描述，可知选D。
【小题5】根据最后一段Some roads will be used for the big，quick cars and other roads will be needed for the slower，smaller ones.描述，可知选C。