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【判断题】
In the US, if there are a lot of guests, most tables are round.A.
正确
B.
错误
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反馈参考答案：
举一反三
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【单选题】For this reason airlines have a _____ of lighter meals which can be loaded according to the time of day.
A.
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B.
various
C.
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D.
variation
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【单选题】口腔健康问卷调查的问卷信度越大说明
A.
问卷的一致性分析越合理
B.
问卷的稳定性分析越好
C.
问卷内容的内部一致性越好
D.
问卷内容设计越合理
E.
问卷调查结果的可靠性越高
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