可视电话业务集视频、话音于一体,业务资费包含视频通话费和语音通话费两部分。
参考答案:错
解析:发生视频通话按照视频通话费标准收取,只发生语音通话按照普通通话资费收取
It's reported that the Underground Line No. 3 in our city in 2012. [ ]
A. will built
B. has built
C. will be built
D. has been built
在AutoCAD中可以给图层定义的特性不包括()
A、颜色
B、线宽
C、打印/不打印
D、透明/不透明