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【单选题】
设随机变量 在区域 上服从均匀分布,则( )。A.
随机变量 服从 上的均匀分布
B.
和 不相互独立
C.
随机变量 服从 上的均匀分布
D.
和 相互独立
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【简答题】我国的税款征收方式主要有（ ）。
【简答题】我国的税款征收方式主要有（ ）。
【单选题】根据以下内容回答题： As contrasts go，there are few other pairs of culture as distinct from each other as the Japa-nese and the Americans．Japan’s many centuries of history and especially its Buddhist heritage ha...
A.
most obvious
B.
slightest
C.
Same
D.
less suitable
【简答题】Work in pairs. There are many kinds of business organisations and various terms for them. Can you differentiate them? Read the chart below and match each type of business organisation with its corresp...
【单选题】How many non-bonding pairs of electrons are there in a nitrogen molecule?
A.
0
B.
1
C.
2
D.
3
【单选题】How many pairs of bones are there in facial skull?
A.
6 pairs
B.
7 pairs
C.
5 pairs
D.
4 pairs
E.
3 pairs
【简答题】Read the following pairs of thesis statements. Tick the one in each pair that you think is better. Discuss your answers with a partner. a. ............There are several advantages of owning a car, but...
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