被称为“上古之书”的中国第一部历史散文集是()
A.《尚书》
B.《国语》
C.《史记》
D.《论语》
参考答案:A
On some projects,especially ones of smaller scope,activity sequencing,activity resource estimating.Activity duration estimating,and (71) are so tightly linked that they are viewed as a single process that can be performed by a person over a relatively short period of time.
A.project planning
B.time estimating
C.cost estimating
D.schedule development