具有缩瞳作用的药物,除外
A.毛果芸香碱
B.新斯的明
C.毒扁豆碱
D.筒箭毒碱
E.乙酰胆碱
参考答案:D
— Show me your permit, please.
— Oh, it's not in my pocket. It _______. [ ]
A. might fall out
B. could fall out
C. should have fallen out
D. must have fallen out
滑轮破坏主要由()引起。