试题与答案

单代号网络图与双代号网络图相比，说法正确的是( )。 A．由于工作的持续时间表示在

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题型：单项选择题

题目：

单代号网络图与双代号网络图相比，说法正确的是( )。

A．由于工作的持续时间表示在节点之中，没有长度，故不够形象直观
B．网络图不便于检查和修改
C．工作之间的逻辑关系容易表达，都用虚箭线，故绘图较简单
D．表示工作之间逻辑关系的箭线不可能产生较多的纵横交叉现象

答案：

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考点：中级建筑经济建筑经济专业知识与实务
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