性能工单除了60分钟性能工单外还有（）
A.45分钟性能告警
B.任意时间段的性能告警
C.30分钟性能告警
D.15分钟性能告警
参考答案：D
— Which do you think is ______ subject, math, music or art?[
— Art, I guess.
A．interesting
B．more interesting
C．most interesting
D．the most interesting
性苦寒，功善降逆平肝潜阳的药物是( )
A．黄连 B．礞石 C．夏枯草 D．赭石 E．磁石
