椎动脉型颈椎病临床表现为
A．眩晕
B．头痛
C．视觉障碍
D．四肢无力
E．猝倒
参考答案：A,B,C,E
Unluckily, when I dropped in , Dr. Smith ____, so we only had time for a few words.
A．was just leaving
B．has just left
C．had just left
D．just left
增强药物的活血作用，应选用的炮制方法是（）。
A.蜜炙
B.酒炙
C.醋炙
D.姜炙
E.盐炙
