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【多选题】
多元线性回归模型的 基本假设 有( )A.
随机误差项 零均值
B.
随机误差项 同方差和无自相关
C.
随机 误差 项 服从正态分布
D.
自变量不相关
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反馈参考答案：
举一反三
【单选题】From the passage, we can infer that a good teacher can
A.
be a good actor
B.
work in the same way as the actor
C.
learn something from a good actor
D.
play his role regardless of the reaction of his audience
【单选题】__________ technique in medicine and surgery we have, patients we can save
A.
The good; the man
B.
The better; the much
C.
The better; the more
D.
The best; the more
【单选题】It’s two in the afternoon. We can say to Miss Fang.
A.
Good night
B.
Good morning
C.
Good evening
D.
Good afternoon
【单选题】We can all his knowledge.A．benefitB．benefit fromC．be good forD．do good to
A.
We can all____ his knowledge. A．benefit
B.
benefit from
C.
be good for
D.
do good to
【单选题】Vacation is good for us. Though we can't our troubles in life for ever, we can leave them behind when we are on vacation. [ ]
A.
move
B.
discourage
C.
replace
D.
remove
【简答题】We can pack the goods in accordance with your ______(指示).
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