主治心肾两虚之遗精，小便频数，白如米泔的方剂是（）
A.肾气丸
B.缩泉丸
C.桑螵蛸散
D.萆薢分清饮
E.真武汤
参考答案：C
上向沟通的信息应当逐层集中，在各环节进行( )，然后向上一级传输。
A．汇总
B．综合
C．分解
D．研究
We were all very much attracted by the beautiful scenery________we set foot in the village. [ ]
A. quickly
B. suddenly
C. finally
D. immediately
