试题与答案

关于心室肌细胞Na+通道的叙述,不正确的是A.当去极化到-40mV时被激活B.激活和

题型:单项选择题

题目:

关于心室肌细胞Na+通道的叙述,不正确的是

A.当去极化到-40mV时被激活
B.激活和失活的速度都很快
C.一般对河豚毒不敏感
D.具有较强的离子选择性

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A解析:本题考查的是当年形势与政策题。信息化是当今世界经济和社会发展的大趋势,也是我国产业优化升级和实现工业化、现代化的关键环节。要把推进国民经济和社会信息化放在优先位置,看作是一项覆盖现...

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W: Oh, yes. It’s h   77   now. You see, the communication industry has made much progress in the last ten years.

M: And how do these people manage to work? I mean, what e    78  do they have at home?

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