正后电位是指细胞A．静息电位之后的缓慢去极化B．静息电位之后的_爱下问搜题

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问题单项选择题

正后电位是指细胞

A．静息电位之后的缓慢去极化
B．静息电位之后的缓慢超极化
C．锋电位之后缓慢的去极化
D．锋电位之后缓慢的复极化
E．锋电位之后缓慢的超极化

答案

参考答案：E

判断题

电费储蓄收费方式适用于居民用户。（）

选择题

He said it was this classroom _______ he found his lost watch and _____ he would take good care of it from then on.

A．where; /

B．when; what

C．that; what

D．where; that