第1题
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.
第2题
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
第3题
The following diagram denotes dependency between two activities A and B,It says()
A.B can’t start before A is finished
B.B can’t finish before A is finished
C.B can’t start before A starts
D.B can’t finish before A starts
第4题
第5题
A、graphically portrays the relationship between two variables.
B、uses interval or ratio scale data.
C、does not allow negative values.
D、both A and B are correct.
第6题
This is the Ellingham diagram for oxide formation reactions. In the direction of the red arrow, we can find:
A、Increasing reactivity
B、Decreasing reactivity.
C、Non-sense, reactivity cannot be evaluated.
D、None the above
第7题
A、the dependent variable is scaled along the horizontal axis.
B、the independent variable is scaled along the vertical axis.
C、the graph shows the relationship between two variables.
D、the probabilities are plotted.
第8题
A、use case diagram
B、class diagram
C、collaboration diagram
D、sequence diagram
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