丙米嗪作用特点为（） A.对心肌有奎尼丁样作用 B.使突触间隙_爱下问搜题

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问题单项选择题

丙米嗪作用特点为（）

A.对心肌有奎尼丁样作用

B.使突触间隙的Na+浓度下降

C.阻断N胆碱受体

D.阻断D1、D2受体

E.阻断中枢5一HT受体

答案

参考答案：A

选择题

— Did the door keeper let you in?

— No, _______ I tried to tell him that I was your aunt, he just wouldn't listen to me. [ ]

A. No matter

B. Even if

C. However

D. Whatever

问答题

在距离接触网带电部件多远处施工时，接触网可不停电？