下列对于同程式空调水系统评述错误的是()。
A.A
B.B
C.C
D.D
参考答案:C, D
如图所示,分别表示远视眼成像情况和矫正做法的是( )
A.①②
B.③①
C.②④
D.③④
A detailed project schedule can be created only after creating the ().
A.project budget
B.work breakdown structure
C.project management plan
D.detailed risk assessment