设集合U={-2,-1,0,l,2},A={l,2},B={-2,-1,2},则A∪(CUB)= [ ]
A.{1}
B.{1,2}
C.{2}
D.{0,1,2}
答案:D
判定表和判定树是数据流图中用以描述加工的工具,它常描述的对象是
A. 逻辑判断
B. 层次分解
C. 操作条目
D. 组合条件
()are individuals and organizations that are actively involved in the project, or whose interests may be affected as a result of project execution or project completion; they may also exert influence over the project and its results.
A.Controls
B.Baselines
C.Project stakeholders
D.Project managers