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【单选题】
IPSP是由于突触后膜对哪些离子的通透性增加而产生的( )
A.
钾离子,钠离子,尤其是钾离子
B.
钾离子、钠离子,尤其是钠离子
C.
钾离子、钠离子、氯离子,尤其是氯离子
D.
钾离子、氯离子,尤其是氯离子
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参考答案:
举一反三
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【单选题】节流阀的节流口应尽量做成 ( ) 式
A.
薄壁孔
B.
短孔
C.
细长孔
D.
A 、 B 和 C 均可
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A.
B.
【单选题】I'm the first, ______?
A.
did I
B.
do I
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aren't I
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are I
【单选题】I’m amazed to get in touch with my deskmate of Junior Middle school again. __________, it is ten years since we met last.
A.
Believe it or not
B.
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【单选题】节流阀的节流口应尽量做成 式。
A.
薄壁孔
B.
短孔
C.
细长孔
D.
都可以
【单选题】节流阀的节流口应尽量做成 式。
A.
薄壁孔
B.
短孔
C.
细长孔
D.
以上都可以
【单选题】节流阀的节流口应尽量做成?式
A.
薄壁孔
B.
短孔
C.
细长孔
D.
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