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【单选题】
t检验中,若|t| < t0.05 ,则表明样本实得差异由误差引起的概率( )。A.
P>1%
B.
1%
C.
P<1%< /div>
D.
P>5%
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举一反三
【单选题】With the development of modern society, some traditional customs are gradually . [ ]
A.
dying of
B.
dying out
C.
dying down
D.
dying off
【简答题】In the view of Freed, some traditional Indian patterns can be seen as an adaptation to the high ______.
【单选题】It can be seen form. time passage that in the second stage
A.
some traditional goods and services were not successful when provided by the home economy
B.
the market economy provided new goods and services never produced by the home economy
C.
producing traditional goods at home became socially unacceptable
D.
whether new goods and services were produced by the home economy became irrelevant
【单选题】水分子通过（）的作用可与另4个水分子配位结合形成正四面体结构。水分子通过（）的作用可与另4个水分子配位结合形成正四面体结构。水分子通过（）的作用可与另4个水分子配位结合形成正四面体结构。
A.
离子键
B.
范德华力
C.
氢键
D.
二硫键
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