A. mustn’ t…must
B. needn’ t…must
C. can’ t…can
D. can’ t…must
第1题:
A:I haven't eaten all day.
B: You __ be very hungry.
A. should
B. have to
C. must
第2题:
PDM includes four types of dependencies or precedence relationships…(73),the initiation of the successor activity,depends upon the initiation of the predecessor activity.
A.Finish-to-Start
B.Finish-to-Finish
C.Start-to-Start
D.Start-to-Finish
第3题:
● 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
第4题:
I’ll go home for a vacation as soon as I ( ) my exams.
A.finished
B.will finish
C.am finished
D.finish
第5题:
PDM includes four types of dependencies or precedence relationships: ...(18). The completion of the successor activity depends upon the initiation of the predecessor activity.
A.Finish-to-Start
B.Finish-to-Finish
C.Start-to-Start
D.Start-to-Finish
第6题: