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【判断题】
对于确定的理想气体,其 c p 和 c V 之 比在任何温度下都等于一个常数。A.
正确
B.
错误
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举一反三
【单选题】In the nature versus nurture debate, sociologists claim that ________.
A.
nature is far more important than nurture
B.
nurture is far more important than nature
C.
nature and nurture have equal importance
D.
neither nature nor nurture creates the essence of our humanity
【简答题】deform, nurture, sole, regulate, stamp② Many women were left as the ______ providers in families after their husband passed away.
【简答题】deform, nurture, sole, regulate, stamp④ She took the homeless boy home in cold night and ______ the child as if he had been her own.
【简答题】deform, nurture, sole, regulate, stamp⑤ Alice knew dad was home, hearing the creak of a door and the ______ of cold feet.
【单选题】当组数等于2时，对于同一资料，方差分析结果与t检验结果
A.
完全等价且F=√t
B.
方差分析结果更准确
C.
t检验结果更准确
D.
完全等价且t=√F
E.
理论上不一致
【单选题】当组数等于2时,对于同一资料,方差分析结果与检验结果( )。
A.
完全等价且F=SQRT(t)
B.
方差分析结果更准确
C.
检验结果更准确
D.
完全等价且t=SQRT(F)
E.
理论上不一致
【单选题】当组数等于2时，对于同一资料，方差分析结果与t检验结果（）。
A.
完全等价且F＝t1/2
B.
方差分析结果更准确
C.
t检验结果更准确
D.
完全等价且t＝F1/2
E.
理论上不一致
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