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【多选题】
训练分类机器学习模型时需要避免过拟合和欠拟合的问题,关于这些问题以下说法错误的是哪些?
A.
复杂的模型时容易发生欠拟合问题
B.
神经网络不会出现过拟合问题
C.
正则化方法可以减少过拟合问题
D.
增加数据量不能减少过拟合问题
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【简答题】What music do you like? Popular music or classical music? Why?
【判断题】等比数列-1/2,1,-2,4,...的第10项为256.
A.
正确
B.
错误
【单选题】若{a n }是等比数列, 且公比q为整数,则 等于(   )
A.
-256
B.
256
C.
-512
D.
512
【单选题】-Do you like rock music or light music? -___________. I like pop music.
A.
Both
B.
None
C.
Neither
D.
Either
【单选题】若 {a n }是等比数列,a 4 a 7 =-512,a 3 +a 8 =124,且公比q为整数,则a 10 =(  )
A.
256
B.
-256
C.
512
D.
-512
【简答题】根据128÷4=32,直接写出以下算式的结果. 256÷4=______ 128÷8=______ 256÷8=______ ÷4=______ 256÷2=______.
【单选题】— Do you like rock music or light music? - _______ I like Beijing Opera .
A.
Either
B.
None
C.
Both
D.
N either
【简答题】If someone asks me, “Do you like music? ” I am sure 1 will answer him or her. “Of course, I do.” Because I think music is an important part of our lives. Different people have different ideas about mu...
【简答题】If someone asks me, “Do you like music? ” I am sure I will answer him or her. “Of course, I do.” Because I think music is an important part of our lives. Different people have different ideas about mu...
【单选题】在检修收音机时 . 判断电容量很小的电容器器是否内部开路 , 用 ( ), 就很易解决。
A.
代替法 , 拿一个容量相近的好电容器并在它上面一试
B.
万用表测量电压
C.
万用表测量电流
D.
万用表测量电阻
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