HFC是利用______为最终接入部分的宽带网络系统的。A．电信网 B_爱下问搜题

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问题单项选择题

HFC是利用______为最终接入部分的宽带网络系统的。

A．电信网

B．有线电视网

C．局域网

D．光纤网

答案

参考答案：B

解析： HFC是利用有线电视网络为最终接入部分的宽带网络系统的。

选择题

下列句子中加点成语使用正确的一项是

A．只要你能身临其境地为我想一想，你就会理解我的处境，不会对我这样求全责备了。

B．没想到，由于楼房的质量不过关，结果造成严重事故，真是祸起萧墙。

C．今天天气真好，我们在操场上，真是如坐春风。

D．悲鸿大师涉笔成趣，当场画了一幅奔马图送给我。

填空题

根据课文内容，用方框中所提供的单词或短语的适当形式完成下列短文。

reach, in, determine, until, schedule, travel, where, of, with, through

     Wang Kun and his sister Wang Wei have been dreaming l______ taking a bike trip along the Mekong River.
They are to begin their trip from 2______ it begins to where it ends. Wang Wei is so stubborn that once she is
3______ to do something, nothing can change her mind. So though Wang Kun has different ideas about the trip,
he has to give 4______.
     They are starting off on August lst and are 5______ their first stop on the trip in three days. Then they are
continuing their journey for another five days 6______ they reach Tibet. They are taking enough food, water
and clothes. Although their 7______ is very tight, they feel very excited about it.
     The Mekong River begins at a glacier on a Tibetan mountain 8______ an altitude of more than 5,000 metres. It passes 9______ deep valleys, 10______ across western Yunnan Province and finally flows into the South
China Sea.