单项选择题

A．City officials.
B．Experts in various institutions.
C．Newly-graduated university students.
D．Some famous scientists.
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单项选择题
A．Future man’s life style.B．Future man’s thoughts.C．Future man’s appearance.D．Future man’s education.
A．Future man’s life style.
B．Future man’s thoughts.
C．Future man’s appearance.
D．Future man’s education.
单项选择题
A．An officer.B．A tourist guide.C．A customer.D．A student.
A．An officer.
B．A tourist guide.
C．A customer.
D．A student.
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