单项选择题

A．Book publishers.
B．Librarians.
C．New university students.
D．Faculty members.
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单项选择题
A．5.B．3.C．2.D．8.
A．5.
B．3.
C．2.
D．8.
单项选择题
A．To attend a conference.B．To see the planetarium.C．To change planes.D．To go sightseeing.
A．To attend a conference.
B．To see the planetarium.
C．To change planes.
D．To go sightseeing.
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