2. 职称英语
  3. A、To reduce illegal phenomena on the roads.B、To produce safer and faster vehicl

A、To reduce illegal phenomena on the roads.B、To produce safer and faster vehicl

游客2024-01-21  52
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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