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【单选题】
设总体X～N(μ，σ2)，其中μ，σ2均未知，要检验的假设为 H0：σ2=σ02 H1：σ2≠σ02(σ02为已知正数)，给定显著性水平为α，则所建立的检验法( )．
A.
犯第一类错误的概率为α
B.
犯第二类错误的概率为α
C.
犯第一类错误的概率为1一α
D.
犯第二类错误的概率为1一α
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【单选题】(13—15题共用题干)病人张某,48岁,企业老总,因工作需要经常加班熬夜,在外应酬,喜食油膩的高蛋白、高脂肪食物,并大量吸烟、饮酒,近来发现体重迅速增加,体力和精力降低。 对于该病人,最主要的学习需求是?
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A.
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【多选题】Justices of the United States Supreme Court __________.
A.
are appointed by the President with Senate confirmation
B.
are elected from state supreme courts with a term of four years
C.
can collectively decide upon cases about the interpretation of the Constitution
D.
can be removed with new appointments of the President
E.
are members of the only court specifically created by the Constitution
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【单选题】__________ argues cases for the government before the Supreme Court.
A.
President of the United States
B.
Chief Justice of Supreme Court
C.
Solicitor General
D.
Attorney General
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【判断题】点电荷产生的电场强度的大小与点电荷的电量成正比，与电荷源到场点的距离的平方成反比。
A.
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B.
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【单选题】关于早产儿特点，下列哪项是错误的（）
A.
出生体重<2500g
B.
皮肤红嫩，胎毛多，足纹少
C.
呼吸不规则，常出现呼吸暂停
D.
生理性黄疸持续时间较足月儿长
E.
肌张力较高
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【单选题】What is the woman's attitude toward her internship?
A.
She would rather go to graduate school.
B.
She is looking forward to interning.
C.
She thinks that it is a very positive experience.
D.
She will be happy when she completes it.
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【单选题】--What do you think of maths? --My favorite. It’s ______ for me to study of all the subjects in school.
A.
more difficult
B.
the most difficult
C.
less difficult
D.
the least difficult
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【单选题】— Neither Danny nor Brian _____ at schoo1. What's the matter with them? — I don't know. Let's phone them. [     ]
A.
is
B.
isn't
C.
are
D.
aren't
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【单选题】What does the case Hart cited in an Australia court illustrate?
A.
The Supreme Court will weigh immediately on the issue.
B.
American online publishers are confronted with more legal difficulties.
C.
Internet defamation has been condemned and made illegal.
D.
American companies are relieved of their liability in other countries.
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相关题目：
【单选题】(13—15题共用题干)病人张某,48岁,企业老总,因工作需要经常加班熬夜,在外应酬,喜食油膩的高蛋白、高脂肪食物,并大量吸烟、饮酒,近来发现体重迅速增加,体力和精力降低。 对于该病人,最主要的学习需求是?
A.
如何减轻工作强度
B.
如何戒烟、戒酒
C.
如何建立正确的生活方式和行为习惯
D.
怎样快速减肥
E.
肥胖的不良后果
查看完整题目与答案
【判断题】点电荷产生的电场强度的大小与点电荷的电量成正比,与电荷源到场点的距离的平方成反比。
A.
正确
B.
错误
查看完整题目与答案
【多选题】Justices of the United States Supreme Court __________.
A.
are appointed by the President with Senate confirmation
B.
are elected from state supreme courts with a term of four years
C.
can collectively decide upon cases about the interpretation of the Constitution
D.
can be removed with new appointments of the President
E.
are members of the only court specifically created by the Constitution
查看完整题目与答案
【单选题】__________ argues cases for the government before the Supreme Court.
A.
President of the United States
B.
Chief Justice of Supreme Court
C.
Solicitor General
D.
Attorney General
查看完整题目与答案
【判断题】点电荷产生的电场强度的大小与点电荷的电量成正比，与电荷源到场点的距离的平方成反比。
A.
正确
B.
错误
查看完整题目与答案
【单选题】关于早产儿特点，下列哪项是错误的（）
A.
出生体重<2500g
B.
皮肤红嫩，胎毛多，足纹少
C.
呼吸不规则，常出现呼吸暂停
D.
生理性黄疸持续时间较足月儿长
E.
肌张力较高
查看完整题目与答案
【单选题】What is the woman's attitude toward her internship?
A.
She would rather go to graduate school.
B.
She is looking forward to interning.
C.
She thinks that it is a very positive experience.
D.
She will be happy when she completes it.
查看完整题目与答案
【单选题】--What do you think of maths? --My favorite. It’s ______ for me to study of all the subjects in school.
A.
more difficult
B.
the most difficult
C.
less difficult
D.
the least difficult
查看完整题目与答案
【单选题】— Neither Danny nor Brian _____ at schoo1. What's the matter with them? — I don't know. Let's phone them. [     ]
A.
is
B.
isn't
C.
are
D.
aren't
查看完整题目与答案
【单选题】What does the case Hart cited in an Australia court illustrate?
A.
The Supreme Court will weigh immediately on the issue.
B.
American online publishers are confronted with more legal difficulties.
C.
Internet defamation has been condemned and made illegal.
D.
American companies are relieved of their liability in other countries.
查看完整题目与答案
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