能清热利湿退黄，阴黄、阳黄配伍均可使用的药物是（）
A.泽泻
B.茵陈
C.滑石
D.茯苓
E.虎杖
参考答案：B
Their products enjoy 30 percent_____ of the market in this country because both the quality and their service are fine.
A．share
B．profit
C．possession
D．advantage
老年病人术后常见并发症有（）
A.高血压
B.低血压
C.心律失常
D.肺部感染
E.心功能不全
