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【单选题】
进行硝化作用的硝化细菌和亚咲花细菌的微生物营养类型为
A.
化能自养菌
B.
化能异养菌
C.
光能自养菌
D.
光能异养菌
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皮皮学刷刷变学霸
举一反三
【判断题】1162影响管理层次的最主要因素是企业的业务性质。
A.
正确
B.
错误
【单选题】—Why do you like Jack? —Because he is honest boy.
A.
a
B.
an            
C.
the
【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
【简答题】非参数检验(nonparametric test)
【单选题】以下对非参数检验的描述中错误的是
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
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