【单选题】【消耗次数：1】
抑制性突触后电位的产生，是由于突触后膜对下列哪种离子的通透性升高
①
Na+，K+，Cl-，尤其K+
②
Ca2+，K+，Cl-，尤其Ca2+
③
Na+，K+，尤其Na+
④
Cl
⑤
-K+，Ca2+，Na+，Cl-，尤其Cl-
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相关题目
【单选题】
细胞膜内外正常Na+和K+浓度差的形成和维持是由于
①
膜在安静时对K+通透性大
②
膜在安静时对Na+通透性大
③
Na+、K+易化扩散的结果
④
膜上Na+-K+泵的作用
⑤
膜兴奋时对Na+通透性增加
【单选题】
兴奋性突触后电位的产生，是由于突触后膜对下列哪种离子的通透性升高
①
Na+，K+，Cl-，尤其K+
②
Ca2+，K+，Cl-，尤其Ca2+
③
K+，Cl-，尤其Cl
④
-Na+，K+，尤其Na+
⑤
K+，Ca2+，Na+，Cl-，尤其Cl-
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【单选题】
_______ of the twins was arrested, because I saw both at a party last night.
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None
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_____ for the fact that she broke her leg, she might have passed the exam.
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Had it not been
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Hadnt itbeen
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Was it not
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substantial
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simultaneous
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