与新斯的明比较，毒扁豆碱的药理作用显著特点是A．对心血管系统_爱下问搜题

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问题单项选择题

与新斯的明比较，毒扁豆碱的药理作用显著特点是

A．对心血管系统作用较强

B．对骨骼肌兴奋作用更强

C．对胃肠平滑肌作用较弱

D．具有中枢作用

E．对腺体分泌作用较弱

答案

参考答案：D

选择题

The dog runs ________ than the cow.

A. only faster
B. much faster
C. so faster
D. more slowly

选择题

_____ is very useful for us students _____ English well. [ ]

A. This, to learn

B. That, to learn

C. It, to learn

D. It, learns