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【单选题】
根据 的定义,对任给 存在正整数 N ,使得对 n> N 的一切 x n ,不等式 都成立这里的N()A.
是 的函数 N ( ) ，且当 减少时 N （ ）增大
B.
是由 所唯一确定的
C.
与 有关，但 给定时 N 并不唯一确定
D.
是一个很大的常数，与 无关
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【简答题】Python注释以符号【1】开始,到行尾结束。
【简答题】Python 注释以符号 开始,到行尾结束。
【简答题】简要回答三次样条函数的定义
【单选题】— , but I can’t find the book you lent me. —That’s OK. —I really feel bad about it. Let me buy you a new one.
A.
I am sorry ,sir. There must be some misunderstanding,
B.
We do apologize for the inconvenience.
C.
I am awfully sorry for my carelessness.
D.
I have bad news for you.
【单选题】听力原文：M: I'm not quite sure how to use this calculator you lent me. I dropped it, and now the on-button doesn't light up. W: Oh, that's okay, it hasn't been working right for some time now. Q: What was...
A.
He lost a button at work.
B.
He doesn't know where he put the calculator.
C.
He thinks he broke something the woman lent him.
D.
He's not sure how to solve the math problem.
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