胺碘酮的作用机理是|
A.抑制钠内流
B.抑制钙内流
C.阻断钾通道，延长复极
D.兴奋迷走神经
E.延长动作电位时间
参考答案：C
In relation to employment law, explain:
(b) the meaning and effect of constructive dismissal. (5 marks)
教师道德评价的善恶标准具有相对性和绝对性。
