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【简答题】
A．Because the old one could not transfer signals clearly. B．Because the old one could only send two messages along the same line simultaneously. C．Because the old one could not send messages quickly enough. D．Because the old one could not send more than one message at the same time.
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反馈参考答案：
举一反三
【多选题】下列关于朴素贝叶斯算法的论述正确的是
A.
朴素贝叶斯算法基于贝叶斯定理和特征条件独立性假设
B.
朴素贝叶斯算法使用最大似然估计来确定参数
C.
条件独立指的是数据集各个特征的取值与其他特征不相关
D.
朴素贝叶斯算法对离群值不敏感
【单选题】Why does the professor mention the wood thrush?
A.
To contrast its displacement activities with those of other animal species
B.
To explain that some animals display displacement activities other than grooming
C.
To point out how displacement activities are influenced by the environment
D.
To give an example of an animal that does not display displacement activities
【单选题】听力原文：W: Does the Motor Voter Law cover all the states? M: No. W: Which ones? Why not? M: Six states are not covered by the provisions of the National Voter Registration Act. They are: North Dakota (be...
A.
North Dakota and Washington D.C
B.
South Dakota and Washington D.C
C.
Wisconsin and Wyoming.
D.
Wyoming and Washington.
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