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【单选题】
下列数字有可能是动叶速度系数ψ的是( )A.
1.50
B.
1.00
C.
0.20
D.
0.90
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反馈参考答案：
举一反三
【单选题】During Hunter’s interview, the nurse asks questions about his past health history. The primary purpose of asking about past health problems is to
A.
determine whether genetic conditions are present.
B.
summarize the family's health problems.
C.
to know his family.
D.
evaluate how his current symptoms affect his or her lifestyle.
E.
identify risk factors to him and his significant others.
【单选题】将总体各单位按照总体已有的基本特征分成层,根据各层单位数与总体单位数的比例,确定从各层中抽取样本单位的数量,按照随机原则从各层中抽取样本的市场调研方法是( )。
A.
简单随机抽样法
B.
等距随机抽样
C.
分群随机抽样
D.
分层随机抽样
【单选题】The chairman ______ that this year's prize winner is Dr. Hunter.
A.
announced
B.
declared
C.
stated
D.
pronounced
【单选题】If Hunter's artistic work were to return to its earlier political forum, assessments of it would be likely to contain which of the following?
A.
An evaluation that accords high status to her work
B.
Acknowledgement of her political acumen but dismissal of her subject matter as contentious
C.
Agreements with assessments made prior to the 1980's but acknowledgments of the evolution in her art work
D.
Placement of her among the foremost artists of the pre-1980's
E.
A reclassification of her work as psychoanalytical rather than political
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