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【简答题】
进入现场 “两必须”和现场行走“五不准”的内容是哪些?
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皮皮学刷刷变学霸
举一反三
【简答题】霍尔效应中,为消除系统误差采用的方法是( )
【简答题】在记账凭证账务处理程序下,记账凭证一般使用__________,________ 和 ______等专用记账凭证,也可采用_______ .
【单选题】You are from Australia,aren't you? _________ . I 'm from Canada.
A.
Yes, I am
B.
Yes, I'm not
C.
No, I'm not
【简答题】设A为正定Hermite矩阵，B为反Hermite矩阵．试证明：AB与BA的特征值实部为零． (2)设A是n(n>1)阶正定矩阵．α是非零列向量，且α∈Rn．令B=AααT，求B的最大特征值以及B的属于这个特征值的特征子空间的维数和一个基．
【单选题】听力原文：Hi, I'm calling to change my destination from Seoul to Busan. (A) I'm sorry I don't have any change. (B) Yes, Seoul is beautiful at this time of the year. (C) What is your reservation number? (27...
A.
B.
【单选题】Whe he was depressed, he felt utterly ____ from reality.
A.
divorce
B.
divorcing
C.
to divorce
D.
divorced
【简答题】Long ago there was a poor farmer in Russia. He had been very__ 1 __with everything he had. However，when he found his elder brother was_2__than him，he felt disappointed. So he__ 3 _hard about how he co...
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