试题与答案

进行城市道路设计时,为了创造出较好的行驶条件,道路的变坡点距离不宜太短,两个变坡点之

题型:单项选择题

题目:

进行城市道路设计时,为了创造出较好的行驶条件,道路的变坡点距离不宜太短,两个变坡点之间的距离一般应在( )以上。

A.25m

B.50m

C.90m

D.100m

答案:

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参考答案:B解析:此题是函数过程的调用。 在调用过程时,一般主调与被调过程之间有数据传递,即将主调过程的实参传递给被调用的过程,完成实参与形参的结合,然后执行被调过程,在Visual Basic中,实参与形参...

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