问题 填空题


阅读以下HFC宽带接入Internet的技术说明,根据要求回答问题1~6。
[说明]
某小区采用HFC接入Internet的解决方案进行网络设计,网络结构如图2-27所示。

[问题1]
请为图2-27拓扑结构中,(1)~(5)空缺处选择对应的设备名称。
备选设备为:CMTS、以太网交换机、光收发器、光电转换节点、Cable Modem。

答案

参考答案:CMTS

完形填空
完形填空。
  I like music so much. To me, life without music would be    1   I realize that this is not true    2   
everybody. Many people get along quite well without going to concerts or listening to records. But music
plays an important part in everyone's life, whether they    3   it or not.Try to    4    what movies or TV plays
would be like without music.I am sure that movies without music may make people    5   bored, even they
don't want to see them, Music gives movies   6    . It can make us excited or interested in them.Now, we
have been speaking about music in its more common meaning-the kind of music we hear in the concert
hall.In fact, we can    7   music in our everyday life, too- the singing of birds, the tick of the rolling trains,
the sound of the sea waves and so on. So   8   must have meaning for everyone, in some way or other, and
of course, it has a special meaning for those who have spent all their    9   playing or writing music.Music
takes us into a beautiful   10   . It inspires (激励)us.
( )1. A. boring
( )2. A. of    
( )3. A. agree  
( )4. A. answer
( )5. A. feel  
( )6. A. colors
( )7. A. think  
( )8. A. birds  
( )9. A. hobbies
( )10.A. concert
B. interesting
B. for      
B. see      
B. remember  
B. watch    
B. feelings  
B. remind    
B. trains    
B. times    
B. world      
C. exciting
C. at      
C. realize  
C. do      
C. look    
C. interests
C. discover
C. sea waves
C. money    
C. subject  
D. colorful  
D. on        
D. understand
D. imagine  
D. find      
D. noise    
D. listen    
D. music    
D. lives    
D. place    
单项选择题