_____ in this university that only those who have passed CET4 can graduate.                    [ ]

A. What is required

B. What requires

C. It requires

D. It is required

清心安神、滋阴清热可用于治疗下列类型遗精病中的（）

A.湿热下注，热扰精室

B.肾虚滑脱，精关不固

C.劳伤心脾，气不摄精

D.君相火动，心肾不交

E.脾肾两虚，精关不固