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．Because people have less experiences.B．Because there are more reasons for autumn.C．Because the weather is quite changeable then.D．Because the apparatus cannot work well.
A．Because people have less experiences.
B．Because there are more reasons for autumn.
C．Because the weather is quite changeable then.
D．Because the apparatus cannot work well.
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.
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