具有促进造血功能作用的药物是（）
A.三七
B.白及
C.蒲黄
D.青皮
E.香附
参考答案：A
物质能否产生荧光，主要和物质本身的结构以及周围的介质环境有关。()
It has been reported that some government leaders ______ their authority and position to get illegal profits for themselves.
A．overlook
B．employ
C．abandon
D．abuse
