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【单选题】
多重共线性的程度越____,参数估计值的方差估计越___
A.
严重    能确定
B.
不严重      能确定
C.
严重    不能确定
D.
上述都不对
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参考答案：
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【单选题】阅读下文，回答题 One type of person that is common in many countries is the one who always tries to do as little as possible and to get as much(56)return as he can. His opposite, the man who has(57)for doing ...
A.
in
B.
by
C.
as
D.
of
查看完整题目与答案
【单选题】● 某种考试共有 75 个试题，每对一题得 2 分，每错一题扣 1 分。某考生最后的分数是54分，则该考生共做对 （6） 题。 （6）
A.
50
B.
32
C.
43
D.
22
查看完整题目与答案
【单选题】In many countries,people can smoke in the office .
A.
T
B.
F
查看完整题目与答案
【判断题】甲乙两省分别命题高考,现有甲省的A考生高考分数605分,乙省B考生高考分数597分,所以A考生的分数肯定高于B考生的分数。
A.
正确
B.
错误
查看完整题目与答案
【单选题】某次数学考试中考生的分数X～N（90，100），则分数在70～110分的考生占总考生数的百分比是 [     ]
A.
31.74%
B.
68.26%
C.
95.44%
D.
99.74%
查看完整题目与答案
【单选题】“有根”脉象是指
A.
不浮不沉
B.
节律一致
C.
不大不小
D.
尺脉沉取有力
E.
从容和缓
查看完整题目与答案
【单选题】In common with many countries, Britain has serious environmental problems. In 1952, more than 4,000 people died in London because of the smog. The government 【26】______ new laws to stop smog from coal...
A.
embraced
B.
comprehended
C.
introduced
D.
deduced
查看完整题目与答案
【单选题】脉搏出现在寸口的背侧称为
A.
斜正脉
B.
反关脉
C.
有根脉
D.
有神脉
E.
有胃脉
查看完整题目与答案
【单选题】根据以下材料回答题 There are stock markets(股票市场)in large cities in many countries．The stock exchange is aplace where people can buy or sell shares of a factory or company．And each share means certainownership ...
A.
you can always make money
B.
you can tell exactly when the stock goes up or down
C.
you may sometimes lose money
D.
your gambling is always safe
查看完整题目与答案
【单选题】There are stock markets(股票市场) in large cities in many countries. The stock exchange is a place where people can buy or sell shares of a factory or company. And each share means certain ownership of a ...
A.
you can always make money
B.
you can tell exactly when the stock goes up or down
C.
you may sometimes lose money
D.
your gambling is always safe
查看完整题目与答案
相关题目：
【单选题】阅读下文，回答题 One type of person that is common in many countries is the one who always tries to do as little as possible and to get as much(56)return as he can. His opposite, the man who has(57)for doing ...
A.
in
B.
by
C.
as
D.
of
查看完整题目与答案
【单选题】● 某种考试共有 75 个试题，每对一题得 2 分，每错一题扣 1 分。某考生最后的分数是54分，则该考生共做对 （6） 题。 （6）
A.
50
B.
32
C.
43
D.
22
查看完整题目与答案
【单选题】In many countries,people can smoke in the office .
A.
T
B.
F
查看完整题目与答案
【判断题】甲乙两省分别命题高考,现有甲省的A考生高考分数605分,乙省B考生高考分数597分,所以A考生的分数肯定高于B考生的分数。
A.
正确
B.
错误
查看完整题目与答案
【单选题】某次数学考试中考生的分数X～N（90，100），则分数在70～110分的考生占总考生数的百分比是 [     ]
A.
31.74%
B.
68.26%
C.
95.44%
D.
99.74%
查看完整题目与答案
【单选题】“有根”脉象是指
A.
不浮不沉
B.
节律一致
C.
不大不小
D.
尺脉沉取有力
E.
从容和缓
查看完整题目与答案
【单选题】In common with many countries, Britain has serious environmental problems. In 1952, more than 4,000 people died in London because of the smog. The government 【26】______ new laws to stop smog from coal...
A.
embraced
B.
comprehended
C.
introduced
D.
deduced
查看完整题目与答案
【单选题】脉搏出现在寸口的背侧称为
A.
斜正脉
B.
反关脉
C.
有根脉
D.
有神脉
E.
有胃脉
查看完整题目与答案
【单选题】根据以下材料回答题 There are stock markets(股票市场)in large cities in many countries．The stock exchange is aplace where people can buy or sell shares of a factory or company．And each share means certainownership ...
A.
you can always make money
B.
you can tell exactly when the stock goes up or down
C.
you may sometimes lose money
D.
your gambling is always safe
查看完整题目与答案
【单选题】There are stock markets(股票市场) in large cities in many countries. The stock exchange is a place where people can buy or sell shares of a factory or company. And each share means certain ownership of a ...
A.
you can always make money
B.
you can tell exactly when the stock goes up or down
C.
you may sometimes lose money
D.
your gambling is always safe
查看完整题目与答案
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