试题与答案

平面环形交叉口中心岛设计中,应该遵守的要求是( )。A.中心岛必须布置为圆形 B.

题型:单项选择题

题目:

平面环形交叉口中心岛设计中,应该遵守的要求是( )。

A.中心岛必须布置为圆形

B.中心岛的半径应符合满足视距的要求

C.不布置人行道

D.全部布置成绿地

答案:

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参考答案:D解析:[评析] 数据流图有4种成分:源点或终点、处理、数据存储和数据流。数据存储是处于静止状态的数据,数据流是处于运动小的数据。

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1. Is climbing a mountain easy?

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