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【单选题】
近些年，越来越多的家具制作者被称为艺术大师。但是，因为家具必须具有实用性，所以家具制作者在追求艺术的同时必须在提高家具的实用性上下工夫。正是由于这个原因，家具制作不能称为艺术。 以下( )项如果为真，最能作为前提支持上述结论。A.
有些家具是专门用于博物馆艺术区展示的
B.
有些艺术家比消费者更关注家具的实用性
C.
艺术家不关心他们创造出的物品的实际货币价值
D.
如果一个物品的制作者需要关注物品的实用性，那么这种制作过程就不是艺术
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举一反三
【单选题】以下对非参数检验的描述，错误的一项是
A.
非参数检验方法不依赖于总体的分布类型
B.
应用非参数检验时不考虑被研究对象的分布类型
C.
非参数的检验效能低于参数检验
D.
一般情况下非参数检验犯第二类错误的概率小于参数检验
E.
非参数检验方法用于分布间的比较
【单选题】His arm is all right. He___ go and see the doctor.
A.
don't have to
B.
haven't to
C.
doesn't have to
【单选题】.—Why, Jack! Someone seems to have called you over there. —Yes? I ________ that.
A.
am not realizing
B.
haven’t realized
C.
didn’t realize
D.
don’t realize
【单选题】His arm is all right. he ____ go and see the doctor.
A.
has not to
B.
don't have to
C.
haven't to
D.
doesn't have to
【单选题】His arm is all right. He_
go and see the doctor.
A.
has not to
B.
don't have to
C.
haven't to
D.
doesn't have to
【单选题】His arm is all right. He _____see the doctor.
A.
must
B.
mustn't
C.
have to
D.
doesn't have to
【单选题】— Why didn't you come and open the door for me, dear? — Sorry, Jack. I _____ in the kitchen and didn't hear you. [ ]
A.
was cooking
B.
am cooking
C.
have cooked
D.
will cook
【简答题】非参数检验(nonparametric test)
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