在网络计划中,工作P自由时差为2天,总时差为4天,若该工作影响工期3天,那么该工作实际进度比计划进度拖延()天。
A.2
B.4
C.7
D.6
正确答案是C
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Complete the following sentence with a (compound) word derived from the one(s) given in bracket.
It’s only a(n) ( ) meeting,and you don’t have to be in full dress.(formal)
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