题目内容
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128 On a precedence diagram, the arrow between two boxes is called:
A. An activity.
B. A constraint. C. An event.
D. The critical path.
E. None of above
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A、Temporal precedence
B、Co-variation of cause and effect
C、Relevance of events
D、No plausible alternative explanations
A.High priority
B.Low priority
C.Normal priority
D.Middle priority
● Precedence Diagramming Method (PDM) is a method used in activity sequencing. There are four types of dependencies or precedence relationships in PDM. The initiation of the successor activity depends upon the completion of the predecessor activity is called __(75)__.
（75）
A．Finish-to-Start
B．Finish-to-Finish
C．Start-to-Start
D．Start-to-Finish
On a precedence diagram, the arrow between two boxes is called:
A.An activity.
B.A constraint.
C.An event.
D.The critical path.
E.None of above.
A、UK
B、US
C、Australia
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