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【简答题】
新鲜精液的pH值一般为()。
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【单选题】以标准正态分布为参照,t分布的特征是?
A.
中心位置偏左,但分布曲线形状相同
B.
中心位置不变,但分布曲线的峰更高
C.
中心位置偏右,但分布曲线形状相同
D.
中心位置不变,但分布曲线的峰更低
【多选题】下列是T分布的特征的有
A.
以0为中心,左右对称的单峰分布
B.
T分布是一簇曲线,其形态变化与自由度的大小有关
C.
自由度越小,T值越分散,曲线越低平
D.
当自由度趋于 时,T分布即为Z分布
【简答题】听对话,选择正确答案。 1. Who often plays with Mary? A. Jack. B. Mike. C. Lucy. 2. How does Ann often go home? A. By bus. B. By car. C. By bike. 3. What does Tom often do on Sunday? A. Look for things on the Int...
【单选题】下列哪项是t分布的特征:
A.
以纵轴为对称轴
B.
左右不对称
C.
双峰分布
D.
是一条曲线
E.
形态与自由度大小无关
【简答题】What extracurricular activities do you usually have at university? What do you benefit from them?
【简答题】I like eating fruit and vegetables what are of great benefit to our healthy. Not only do they pr us from falling into ill, but they help us lose weight. I used to hate vegetables, but follow the ...
【简答题】Zhang Yang, David, Jack and Mark are new students. It's Sunday today. They 1 go to school. They are 2 at home. David is from America. He is Zhang Yang's 3 . They are in the same 4 . But they are in di...
【单选题】Jack often  plays soccer ______ three o’clock _____ Saturday afternoon..
A.
at, on
B.
at , to
C.
in, at
D.
in, in
【简答题】T分布的特征是什么?
【单选题】下列关于刑事责任能力的说法,正确的是( )。
A.
刑事责任能力是人的行为构成犯罪和承担刑事责任的前提和基础
B.
刑事责任能力的本质是人自出生起就具有相对的意志自由
C.
刑事责任能力的存在要求具备辨认能力和控制能力其中之一即可
D.
身份地位也会影响刑事责任能力
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