半夏白术天麻汤治疗经行头痛的适应证候是（）
A.肝火证
B.血虚证
C.血瘀证
D.肝郁气结证
E.痰湿中阻证
参考答案：E
You _______ to the meeting this afternoon if you have something important to do.[ ]
A. needn't to come
B. don't need come
C. don't need coming
D. needn't come
于烧伤休克期血压变化
A．休克早期，收缩压先升高
B．休克早期，舒张压先降低
C．休克早期，收缩压先降低
D．休克早期，舒张压先升高
E．休克早期，舒张压和收缩压同时降低
