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【单选题】
列联分析是利用列联表来研究A.
两个分类变量的关系
B.
两个数值型变量的关系
C.
一个分类变量和一个数值型变量的关系
D.
两个数值型变量的分布
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反馈参考答案：
举一反三
【简答题】解放思想、实事求是辩证统一的基础是（ ）。
【简答题】用所给词的适当形式填空（20分） 小题1:She is old enough to look after __________(she). 小题2:Mr Black is very angry, because the students are playing ____(noise ) in the classroom. 小题3:He is ________(thin) of the twins....
【单选题】According to the passage, it is clear that the force of the moon ______.
A.
is not as important as that of the wind
B.
is less than half that of the sun
C.
is the primary cause of the alternate rise and fall of the suce of the seas
D.
does not influence the rise and fall of the suce of the seas
【单选题】What was the woman's family like when she was a child?
A.
They didn't have much money.
B.
They didn't have enough to eat.
C.
They didn't have many friends.
【单选题】He was a good swimmer, so he ______ swim to the river bank when the boat sank.
A.
could
B.
might
C.
succeeded to
D.
was able to
【简答题】设 、 为两个随机事件, , , , 则 。
【单选题】It is clear that the main reason for the rise in food prices is that______
A.
people are buying less food
B.
the government is providing less financial support for agriculture
C.
domestic food production has decreased
D.
imported food is driving prices higher
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