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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.
参考答案
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。
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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