既能平肝熄风，又能清肝明目的药物是（）
A.羚羊角
B.石决明
C.钩藤
D.天麻
E.牛黄
参考答案：A
门静脉主干先天性畸形所引起的门静脉高压症属于
A．肝前型B．肝后型C．窦前阻塞D．窦后阻塞
—_ will Mr. Smith Shanghai?
—In a week. He will have a meeting in Shanghai.[ ]
A. How soon; leave
B. Howe soon; leave for
C. How long; leave
D. How long; leave for
