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【单选题】
下列有关样本选取的说法中,错误的是( )。A.
在选取样本项目时，注册会计师应当使总体中每个样本被选取的概率相等
B.
随意选样法不能在统计抽样中使用
C.
系统选样法可以在非统计抽样中使用，也可适用于总体随机分布的统计抽样
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举一反三
【单选题】a fire, hotel guests are asked to remain calm.
A.
As a result of
B.
In the event of
C.
By reason of
D.
In the time of
【单选题】听力原文： A fire at Singapore's Hotel Hilton International on Saturday morning injured, d 16 people, a civil defense spokesman said. 'Fifteen people, including some hotel guests and staff, mostly sufferin...
A.
Sunday night
B.
Sunday morning
C.
Saturday night
D.
Saturday morning
【简答题】The Security Department of Jinling Hotel is going to hold a fire drill on Wednesday ( December 12)from 10 a.m. to 12 noon in the Main Building. Please write a notice to inform the staff and the guests...
【多选题】进行实验调查法的单一实验组设计也叫单组前后测实验设计，就是只选择一批实验对象作为实验组，而不设对照组，通过实验活动前后实验对象的变化来得出实验结论。它的操作模式是（）
A.
选择对象
B.
前测
C.
实验激发
D.
后测
E.
得出实验结论
【单选题】The fire started from the hall of the hotel, many of _____ guests were having dinner in the restaurant on the second floor.
A.
its
B.
which
C.
whose
D.
whom
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