皮皮学，免费搜题
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【简答题】
动车组一般情况下不得通过半径小于（）的曲线，困难条件下，通过曲线半径为（）的曲线时，限速（），不得侧向通过小于9号的道岔和小于6号的对称双开道岔。
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】兴奋通过神经肌接头时，乙酰胆碱与受体结合使终板膜
A.
对Na\r\n + \r\n、K\r\n + \r\n通透性增加，发生超极化
B.
对Na\r\n + \r\n、K\r\n + \r\n通透性增加，发生去极化
C.
仅对K\r\n + \r\n通透性增加，发生超极化
D.
仅对Ca\r\n 2+ \r\n通透性增加，发生去极化
E.
对Cl\r\n - \r\n、Na\r\n + \r\n、K\r\n + \r\n通透性增加，发生超极化
【简答题】The manager promised to have my complaint ________. A) looked through B) looked into C) looked over D) looked after
【单选题】The manager promised to keep us _____ of how our business was going on.
A.
informed
B.
informing
C.
being informed
D.
to be informed
【单选题】兴奋通过神经肌接头时,乙酰胆碱与受体结合使终板膜
A.
对Na+、K+通透性增加,发生超极化
B.
对Na+、K+通透性增加,发生去极化
C.
仅对K+通透性增加,发生超极化
D.
仅对Ca2+通透性增加,发生去极化
E.
对C1、Na+、K+通透性增加,发生去极化
【单选题】The manager promised to keep me ____ of how our business was going on.
A.
to be informed
B.
on informing
C.
informed
D.
informing
【单选题】She has often ( ) the rights of working mothers
A.
been in the defence of
B.
been beside herself
C.
been on the warpath of
D.
spoken up for
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