The approaching 4G mobile communication systems are projected to(92)still remaining problems of 3G systems and to provide(93) ne

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问题 The approaching 4G mobile communication systems are projected to(92)still remaining problems of 3G systems and to provide(93) new services,from high-quality voice to high—definition video to high data-rate wireless channels.
(92)

选项 A、solve
B、solving
C、reduce
D、increase

答案A

解析
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