2. 外语
  3. A、To reduce illegal phenomena on the roads. B、To produce safer and faster vehicles. C、To get visual information of the traffic.

A、To reduce illegal phenomena on the roads. B、To produce safer and faster vehicles. C、To get visual information of the traffic.

admin2021-08-23  13
问题
选项 A、To reduce illegal phenomena on the roads.
B、To produce safer and faster vehicles.
C、To get visual information of the traffic.
D、To develop an intelligent system of road signals.
答案D
解析
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大学英语四级

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