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【单选题】
下列关于有髓鞘神经纤维跳跃传导的叙述,哪错误的?A.
以相邻朗飞结间形成局部电流进行传导
B.
传导速度比无髓纤维快得多
C.
离子跨膜移动总数多，耗能多
D.
双向传导
E.
不衰减扩布
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皮皮学刷刷变学霸
举一反三
【单选题】下行沟通和平行沟通; III.单向沟通和双向沟通; IV.口头沟通和书面沟通。
A.
I+III
B.
II+III+IV
C.
I+III +IV
D.
I+II+III+IV
【简答题】C语言中有!、&&、||三个逻辑运算符,其中优先级高于算术运算符的是 【1】 。
【简答题】阅读理解。 Musician Wanted Can you play the drums or the guita? Would you like to make some mongey this vacation? We need two new band members for our group. Are you interested? Then come for an audition (...
【单选题】听力原文：W: Would you like to go and see the new exhibition with us? M: That's the last thing in the world I ever want to do. Q: What does the man mean? (17)
A.
He is often asked to go and see exhibitions.
B.
He would like to go and see the exhibition.
C.
He went to see the exhibition last year.
D.
He definitely does not want to go.
【简答题】数控机床与普通机床相比较,在哪些方面是基本相同的,最根本的不同是什么?
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