单项选择题

A．A teacher of computer science in Cambridge.
B．A specialist in computer science.
C．A consultant to a Scottish company.
D．A British tourist to China.
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单项选择题
A．To gather information for the astronomy class.B．To de some research work on space technology.C．To report finds from an astronomy conference.D．To learn about the latest development in astronomy.
A．To gather information for the astronomy class.
B．To de some research work on space technology.
C．To report finds from an astronomy conference.
D．To learn about the latest development in astronomy.
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