单项选择题

A．Guide and tourist.
B．Salesman and customers.
C．Teacher and student.
D．Engineer and customer.
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单项选择题
A．It keeps viewers informed about new science and politics.B．It brings originality to our modem life.C．It improves viewers’ ability to make correct judgment.D．It has moving pictures to make the programs vivid.
A．It keeps viewers informed about new science and politics.
B．It brings originality to our modem life.
C．It improves viewers’ ability to make correct judgment.
D．It has moving pictures to make the programs vivid.
单项选择题
A．Relative.B．Roommates.C．Colleagues.D．Neighbors.
A．Relative.
B．Roommates.
C．Colleagues.
D．Neighbors.
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