题目内容:
In some Arrow Diagramming Method (ADM) networks, the project manager may be required to indicate logic relationships that do not consumer resources or time.These relationships are shown by using:( )A.Critical path activities
B.Non-critical path activities
C.Slack time activities
D.Dummy activities A.关键路线活动
B.非关键路线活动
C.有闲时间活动
D.虚活动
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答案解析: