题目
Problem
A precedence table is given for a project with activities A to L.
(a) Draw an activity network for this project.
(5)
(b) State which activities cannot be critical.
(2)
(Total 7 marks)
题目中文翻译
一个项目的优先级表给出了活动 A 到 L。
(a) 画出该项目的活动网络图。
(b) 说明哪些活动不可能是关键活动。