单项选择题

A．To attend a conference.
B．To work in a firm.
C．To do some sightseeing.
D． To visit an exhibition.
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单项选择题
A．All staff.B．Young workers.C．New employees.D．Department mananger.
A．All staff.
B．Young workers.
C．New employees.
D．Department mananger.
问答题
What places will the visitors see in the company____________________________________________ and the laboratory.
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