一定浓度的醋酸在下列溶剂中电离程度最大的是（）。
A、H2O
B、液NH3
C、液态HF
D、纯H2SO4
参考答案：B
Many useful tools and techniques are used in developing schedule. ______ is a schedule network analysis technique that modifies the project schedule to account for limited resource.
A．PERT
B．Resource levelling
C．Schedule compression
D．Critical chain method
属于噻嗪样作用的利尿药有（）
A.氯噻酮（氯酞酮，chlorthalidonE.
B.吲达帕胺（indapamidE.
C.美托拉宗（metolazonE.
D.喹乙宗（quinethazonE.
E.希帕胺（xipamidE.
