单项选择题
A.review the performance ofan installed software module
B.managing changes to the project schedule
C.decomposing the WBS to a work package level
D.performing a benefit/cost analysis to determine if we should proceed with the project
单项选择题 The TCP protocolis a （）layer protocol.
单项选择题 The connection between two networks from an intemet is handled by a machine known as a（）
单项选择题 The parties to government procurement refer to the principal entities of all kinds that enjoy rights and undertake obligations in government procurement, including the procuring entities, the （）and the procuring agencies.