单项选择题

A．symbols
B．signs
C．sights
D．signals
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单项选择题
It can be inferred from the second paragraph that
A．the price war will reverse the present situation.
B．the wireless equipment makers will try to improve the original networks.
C．the handset makers will produce new phones with high technology.
D．the Europeans are enthusiastic about the new advanced cell-phones.
单项选择题
In order to work their way out of the box, Sprint PCS and Alltel are taking measures to
A．design new advanced cell-phones in attractive form.
B．reduce costs and improve the efficiency of networks.
C．offer the customers better services and satisfy their needs.
D．arrange the call centers to reduce the customer's waiting time.
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