单选题What is the author’s main concern?AHow to render automobiles pollution-free.BHow to make smaller and safer automobiles.CHow to solve the problem of traffic jams.DHow to develop an automated subway system.

单选题
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.


参考解析

解析:
主旨题。本文是对未来汽车情况的一种展望,指出未来涉及汽车的主要问题还是交通拥挤的问题,解决办法是采用公路自动化系统,该自动化系统的关键问题是中央电脑的监控系统,这是文章的核心,是解决未来交通拥挤的关键。这一主旨与C项“怎样解决交通拥挤问题”属同义重述,故C为答案。

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