单项选择题
What is the main purpose of the research
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A．To make preparations for a new publication.
B．To learn how couples spend their weekends.
C．To know how housework is shared.
D．To investigate what people do at the weekend.
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单项选择题
This conversation is most likely to take place________.
A．at an industrial site
B．at a department store
C．in a classroom
D．in a skyscraper
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单项选择题
The man is speaking with________.
A．Dean Williams
B．Professor Brown
C．an assistant dean
D．a student
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