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【单选题】
A random sample of shoppers responded to the questions contained in a marketing survey. Six months later, another random sample of shoppers responded to exactly the same questions, except that the questions were now arranged in a different order. The pattern of responses to many individual questions was greatly different, thus demonstrating that a question will sometimes elicit different responses depending only on what question precedes it. The argument above depends on which of the following assumptions?A.
The reordering of the questions did not put each question in a different sequential position from its position six months previously.
B.
Shoppers who respond to a marketing survey do not generally remember six months later what responses they gave.
C.
There was no motive for the second survey except that of discovering whether the ordering of the questions mattered.
D.
The survey was not composed of questions to which shoppers would give different responses at different times of the year.
E.
The first sample of shoppers did not have any individuals in common with the survey sample of six months later.
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【多选题】如果不满意班干对自己的管理,应该怎么做?
A.
先服从安排 以班级荣誉为先
B.
事后可以跟班干协商，给班干提意见
C.
跟班主任汇报情况
D.
跟班干对着干，搞乱班级风气
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坚决不服从，要求换班干
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觉得无法跟班干共存，要求退学
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A.
某甲违约，应该承担违约责任
B.
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C.
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D.
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