以下各项中，哪项最易引起阿-斯综合征
A．房扑
B．阵发性室上性心动过速
C．持续性室速
D．Ⅲ度房室传导阻滞
E．窦性心动过速
参考答案：D
—Could you Tell me __________?
—Because I want to help the people there. [ ]
A. why do you go to Tibet
B. why did you go to Tibet
C. why are you going to Tibet
D. why you are going to Tibet
血竭颗粒置白纸上，用火烘烤，不应有（）
A.颗粒熔化
B.无扩散的油滴
C.有松香气
D.产生呛鼻烟气
E.对光照视呈鲜艳的血红色
