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【单选题】
Who can arrange wedding bed?A.
a man with wife
B.
a woman with husband
C.
a man/woman with children
D.
a man/woman with healthy parents and a lovely son
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反馈参考答案：
举一反三
【单选题】If the degrees of freedom in a t -distribution become very large, _______.
A.
the t -values and the z -values are almost the same
B.
the sample size must be very small
C.
the population size must be very large
D.
the sample mean approaches zero
【判断题】父母与子女间的关系因父母离婚而消除。 ( ) prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
正确
B.
错误
【单选题】Another useful ______ is offered by the possibility of putting very large dictionaries onto a single disc.
A.
store
B.
statement
C.
introduction
D.
resource
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