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。
