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

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．
(93)
选项 A、all kinds of
B、all sorts of
C、a kind of
D、a wide variety of
答案D
解析 本题考查4G方面的基本知识。
即将到来的4G移动通信系统，预计将解决3G系统遗留的问题并提供各种新的业务，利
用高速率无线信道提供从高品质的声音到高清视频的多种业务。
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