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【判断题】
回归(regression)分析,简单的说,就是一种处理变量与变量之间相互关系的数理统计方法。用这种数学方法可以从大量观测的散点数据中寻找到能反映事物内部的一些统计规律,并可以按数学模型形式表达出来,故称它为回归方程。A.
正确
B.
错误
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举一反三
【单选题】李先生,39岁,诊断为甲型肝炎,对他所用的票证和纸币进行消毒,适合的方法是( )
A.
压力蒸汽灭菌
B.
过滤除菌
C.
环氧乙烷熏蒸法
D.
过氧乙酸擦拭
E.
液氯喷洒
【单选题】We are living in an age ______ we treasure very much, because it sees man’s rapid development.
A.
which
B.
when
C.
where
D.
what
【单选题】We are living in an age ____________ we treasure very much, because it sees man’s rapid developm
A.
34. We are living in an age ____________ we treasure very much, because it sees man’s rapid development. A．which
B.
when
C.
where
D.
What
【简答题】“ 水仙花数 ” 是指一个三位数,它的三个数位数字的立方和这个数的数值相等,编程打印所有的水仙花数。
【单选题】We are very much_____ in your men's shirts_____ the recent Guangzhou Fair.
A.
interesting;of
B.
interest; in
C.
interested; at
D.
interests; on
【单选题】We are very much to meet you at the exhibition in July.
A.
anticipating
B.
expecting
C.
looking forward
D.
longing for
【单选题】We are very much _________ to meet you at the exhibition in July.
A.
looking forward
B.
expecting
C.
anticipating
D.
longing for
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