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【单选题】
对正态分布曲线的描述有误的是A.
正态分布曲线以均数为中心
B.
正态分布曲线上下完全对称
C.
正态分布曲线是左右完全对称的曲线
D.
正态分布曲线由两个参数固定
E.
正态分布曲线在横轴均数上方所在处曲线为最高点
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举一反三
【单选题】Which of the following do you think is the best tiltle for this passage?
A.
Social Customs and Way of Customs
B.
Social Life and Customs
C.
American and British Customs
D.
Promptness Is Important
【简答题】Customs are social habits. They have been handed down through generations (代) among groups, social classes, etc. Customs can be described as ways of doing things. They are particularly (特别) strong in ...
【单选题】Which of the following do you think is the best title for this passage?
A.
Social Customs and Behaviour
B.
Social Life
C.
American and British Customs
D.
Promptness Is Important
【简答题】Eating habits are closely related with social and__________(culture)customs.
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