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近年来,微博.微信等新型交流方式发展迅速,他们都属于( )应用。[1分]

  • A.固定电话增值业务
  • B.长途电话业务
  • C.移动通信数据业务
  • D.互联网宽带接入业务
试题出自试卷《2014年通信工程师考试综合能力中级真题》
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