题目内容

神经细胞动作电位下降相的离子基础是()

A. Na+内流
B. K+外流
Ca2+内流
D. Cl-内流

查看答案
更多问题

He _______in getting a place at an art school.

I would strongly _______against going out on your own.

His parents tried to _______him from being an actor.

_________is central to a country's economic development.

答案查题题库