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【判断题】
《社会主义神髓》的作者是秋水。()A.
正确
B.
错误
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【简答题】yze the following dialogue with reference to Grice s Cooperative Principle: A: Where is X? B: He s gone to the market. He said so where he left.
【单选题】The principle of Occam's razor _______.
A.
is contrary to Fitzgerald's diagnosis
B.
is a medical principle
C.
is in conformity with Fitzgerald's diagnosis
D.
reminds us that the simplest explanation is least possible
【简答题】In Africa, listening is a guiding principle .It’s a principle that’ been lost in the constant chat of the Western world .From my own past experience , I noticed how much faster I had to answer a quest...
【简答题】设总体X～N(μ，σ 2 )，σ 2 已知，若样本容量n和置信度1-α均不变，则对于不同的样本观测值，总体均值μ的置信区间的长度( )
【单选题】假设总体X～N (μ,σ2),σ2已知，若样本容量和可靠程度均不变，则对于不同的样本观测值，总体均值μ的置信区间的长度( )。
A.
变长
B.
变短
C.
不变
D.
不能确定
【简答题】阅读理解。 In Africa, listening is a guiding principle. It's a principle that's been lost in the constant chat of the Western world. From my own past experience, I noticed how much faster I had to answer a...
【单选题】设总体X服从正态分布N(μ，σ 2 )，σ 2 已知。若样本容量n和置信度1-α均不变，对于不同的样本观察值，总体均值μ的区间估计的精确度( )。
A.
无法确定
B.
变高
C.
不变
D.
变低
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