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【单选题】
4 个触发器构成的 8421BCD 码计数器共有( )个无效状态。A.
6
B.
10
C.
4
D.
8
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举一反三
【单选题】听力原文：M: Will you see your uncle tomorrow, Jane? F: Oh, I don't think I will. Will Jane see her uncle tomorrow?
A.
Yes, she will.
B.
No, she won't.
C.
She hasn't decided.
【单选题】10 Jane's uncle insisted ____ in this hotel any longer
A.
not staying
B.
not to stay
C.
that he not stay
D.
staying not
【单选题】Jane Eyre was left a huge sum of money in her uncle’s deathbed _______ .
A.
paper
B.
letter
C.
words
D.
will
【多选题】数据清理的规则包括：
A.
对无关数据、重复数据、明显错误的数据进行删除
B.
对异常值进行删除或进行平滑处理
C.
对缺失值删除或通过插值替换
D.
为得到好的分析结果，对原始数据进行人为篡改
【单选题】Jane ’ s uncle insisted ____ in this hotel any longer.
A.
not staying
B.
not to stay
C.
that he not stay
D.
staying not
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