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【单选题】
以下说法中正确的是 ( ) A.SVM 对噪声 ( 如来自其他分布的噪声样本 ) 鲁棒 B. 在 AdaBoost 算法中 , 所有被分错的样本的权重更新比例相同 C.Boosting 和 Bagging 都是组合多个分类器投票的方法 , 二都是根据单个分类器的正确率决定其权重 D. 给定 n 个数据点 , 如果其中一半用于训练 , 一般用于测试 , 则训练误差和测试误差之间的差别会随着 n 的增加而减少A.
B.
C.
D.
D
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举一反三
【单选题】---Where did you get to know her? ---It was on the farm we both once worked in the 1970s.
A.
that
B.
which
C.
when
D.
where
【单选题】— Some money is missing. — Well, we must get the police _____ at once. [ ]
A.
to inform
B.
informing
C.
informed of
D.
informed
【简答题】We get (clever)______ as we get older.
【单选题】We all know that, _____ , the situation will get worse [ ]
A.
if not carefully dealt with
B.
not if dealt carefully with
C.
if don't deal with carefully
D.
not if carefully dealt with
【单选题】Once we get these problems straightened ________, we should be all right.
A.
on
B.
up
C.
in
D.
out
【单选题】听力原文：Who'll manage the Pearson project? (A) We'll see once we get there. (B) The company's moving overseas. (C) Jasmine will oversee it for now. (37)
A.
B.
【单选题】I remember ___ to help us if we ever get into trouble.
A.
once offering
B.
him once offering
C.
him to offer
D.
to offer him
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