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【单选题】
在其它条件不变的情况下,要使抽样误差减少1/3 ,样本单位数必须增加( )。A.
1/3
B.
1.25倍
C.
3倍
D.
9倍
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反馈参考答案：
举一反三
【单选题】Je préfère lire...........de perdre mon temps au cinéma.
A.
mieux
B.
plus que
C.
et non
D.
plutôt que
【单选题】They tried to steal her handbag. They tried to____her of her handbag.
A.
rob
B.
steal
C.
be robbed
D.
be stolen
【简答题】A．Hand in assignments late. B．Steal another person's ideas. C．Gather non-relevant materials. D．Share notes with someone else.
【单选题】Even in the police station, the thief still denied _______ the girl’s wallet from her pocket. A) steal B) stole C) stealing D) to steal
A.
B.
C.
D.
D
【单选题】Les films science-fiction sont __ que je préfère dès ma première jeunesse
A.
celui
B.
celles
C.
ceux
D.
celle
【单选题】According to the author, which of the following is the main reason that leads to the change of principles?
A.
countries involved
B.
climate shift
C.
changes in the Law of Sea
D.
industrial environment
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