试题与答案

有线电视网发展成为宽带综合业务网的有利条件,首先是该网采用光缆和()作为传输介质;其

题型:单项选择题

题目:

有线电视网发展成为宽带综合业务网的有利条件,首先是该网采用光缆和()作为传输介质;其次是CATV网络覆盖范围广,有广泛的群众基础;再次是电信市场的开放,消除了政策性的障碍。

A、双绞线

B、同轴电缆

C、载波线路

D、架空明线

答案:

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A.curious aboutB.aware ofC.interested inD.careful with
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