问题 单项选择题

下列选项中,关于最早开始时间和最早完成时间说法错误的是()。

A.工作的最早开始时间是指在其所有紧前工作全部完成后,本工作最早可能开始的时刻

B.工作的最早完成时间则等于本工作的最早开始时间与其持续时间之和

C.计算工作的最早开始时间和最早完成时间,应从网络计划起点开始,沿箭线方向依次向前推算

D.计算工作的最迟开始时间和最迟结束时间,应从网络汁划终点开始,沿箭线方向依次向后推算

答案

参考答案:D

解析:

工作的最早开始时间是指在其所有紧前工作全部完成后,本工作最早可能开始的时刻。工作的最早完成时间则等于本工作的最早开始时间与其持续时间之和。计算工作的最早开始时间和最早完成时间,应从网络计划起点开始,沿箭线方向依次向前推算。

单项选择题 A1/A2型题
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