题目内容
当神经冲动到达运动神经末梢时,可引起接头前膜
2021-10-11
A.钠离子通道关闭
B.钙离子通道开放
C.钾离子通道关闭
D.氣离子通道开放
E.钾离子通道开放
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='25301' and id < 2137791 and id<>'2137791' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25301' and id > 2137791 and id<>'2137791' order by id asc limit 5