单项选择题

A．Librarian and student.
B．Boss and secretary.
C．Operator and caller.
D．Customer and repairman.
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单项选择题
The application of advanced automated and computerized machinery will result in loss of some blue-collar jobs.
A．Y
B．N
C．NG
单项选择题
A．How long he’’ll be in Montreal.B．How he plans to travel to Montreal.C．What form of transportation he’’ll use there.D．What other cities he’’s planning to visit.
A．How long he’’ll be in Montreal.
B．How he plans to travel to Montreal.
C．What form of transportation he’’ll use there.
D．What other cities he’’s planning to visit.
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