单项选择题


Passage One
Questions 26 to 28 are based on the passage you have just heard.

A．Professor Smith.
B．A teaching assistant.
C．A specialist’ in Chemistry.
D．A university technician.
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单项选择题
A．Far away from the city.B．Near the city.C．In a small town.D．In the city center.
A．Far away from the city.
B．Near the city.
C．In a small town.
D．In the city center.
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