Data, Model and Decision章节测试课后答案2024春

第七章测试

1.In the Gantt charts, the horizontal axis represents time and the vertical axis represents each activity. （ ）
A:对 B:错
答案:A
2.The critical activity in critical path is ( ).
A:the earliest beginning activity B:the most important activity C:the longest duration activity D:the end activity 3.Please indicate the critical path in the following network(every number below the activity represents its duration). ( )
A:A→C→F→G B:A→B→D→F→G C:A→B→E→G 4.A virtual activity is used in an AOA network to show an actual passage of time, not just the precedence relationship. ( ）
A:错 B:对 5.When we carry on the calculation steps for the lowest cost schedule in networks, no matter how we shorten the duration of activities, the critical path won’t change. ( ）
A:对 B:错