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【判断题】
选题的先进性往往决定了论点的新颖性。写旧题目，很难再提出新见解;写新题目，则自然要提出新见解( )A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【简答题】34【多选题】心肌闰盘的细胞连接有
【单选题】For the sampling distribution of sample means, what is the relationship between the population mean and the mean of all possible sample means of size 25?
A.
They are equal.
B.
They are not equal.
C.
They are different by one standard error of the mean.
D.
They are both normally distributed.
【判断题】The standard error of the mean is the standard deviation of the sampling distribution of the sample mean .
A.
正确
B.
错误
【单选题】I like _______ colour of your jacket. I'll buy _______ jacket like this.
A.
a; a
B.
the; the
C.
the, a
D.
the; an
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