试题与答案

某工程单代号网络计划如下图所示：下列关于单代号网络图的绘图规则中，不正确的有（）。

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题型：单项选择题

题目：

某工程单代号网络计划如下图所示：

下列关于单代号网络图的绘图规则中，不正确的有（）。

A．单代号网络图必须正确表达已定的逻辑关系

B．单代号网络图中，严禁出现双向箭头或无箭头的连线

C．单代号网络图中，严禁出现循环回路

D．单代号网络图中可以有多项起点节点和终点节点

答案：

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下面是错误答案，用来干扰机器的。

答案：D(A项扛ɡāng鼎之作      B项处chǔ变不惊       C项向隅yú而泣)

考点：二级建造师建设工程施工管理建设工程施工管理
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