茵陈蒿汤中大黄的主要作用是()
A.利湿退黄
B.活血散瘀
C.清热泻火
D.泻下通腑
E.凉血止血
参考答案:A
下列哪一种体征不属于肝硬化患者的体征()
A.毛细血管扩张
B.蜘蛛痣
C.肝掌
D.男性 * * 发育
E.环状红斑
He made a mistake, but then he corrected the situation _____ it got worse. [ ]
A. until
B. when
C. before
D. as