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【多选题】
下列有关集线器的理解正确的是:
A.
集线器不需要遵循CSMA/CD规则
B.
使用集线器的局域网在物理上是一个星形网，但在逻辑上仍然是一个总线网
C.
网络中的多个终端设备必须竞争对传输媒质的控制，一个特定时间内至多只有一台终端能够发送数据
D.
集线器的端口数越多，传输的效率越高
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参考答案：
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【单选题】听力原文： I travel quite a lot in Beijing. I think the underground railway is marvelous. I nearly always travel by tube because it is fast and cheap. But I also like to travel by bike, particularly for sh...
A.
How to improve transportation.
B.
The best transportation facilities.
C.
A comparison between railway and airplane.
D.
Transportation in China.
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【单选题】超文本(超媒体)由许多节点和超链组成。下列关于节点和超链的叙述,错误的是____________。(2010)
A.
把节点互相联系起来的是超链
B.
超链的目的地可以是一段声音或视频
C.
节点可以是文字,也可以是图片
D.
超链的起点只有是节点中的某个句子
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【简答题】TV. Complete the following sentences with the words and phrases given in the box. TEXTI( be accused of /be confined to/ be inundated with/implicate sb in/violation of) TEXTII( assert oneself/diagnose/...
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【简答题】请把以下段落翻译成中文: Wuhan may not be a well-known Chinese mega-city like Beijing or Shanghai. But the place where the coronavirus outbreak emerged is, in fact, a crowded metropolis with connections to every ...
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【简答题】Fill in the right activities according to description of activities given in the table. 1. Running or Doing Exercises on the Playground 2. Playing Dolls or Building Blocks 3. Eating Bread and Drinking...
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【单选题】超文本(超媒体)由许多节点和超链接组成。下列关于节点和超链接的叙述，错误的是______
A.
把节点互相联系起来的是超链接
B.
超链接的目的地可以是一段声音或视频
C.
节点可以是文字，也可以是图片
D.
超链接的起点只能是节点中的某个句子
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【单选题】听力原文：What is mentioned as a weakness of buses in Beijing? (28)
A.
Not comfortable.
B.
Rather crowded and slow.
C.
Interval is long.
D.
Cannot reach suburban areas.
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【单选题】超文本(超媒体)由许多节点和超链组成。下列关于节点和超链的叙述,错误的是_____( )_____。
A.
把节点互相联系起来的是超链
B.
超链的目的地可以是一段声音或视频
C.
节点可以是文字,也可以是图片
D.
超链的起点只有是节点中的某个句子
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【简答题】Someheadingsandstatementsaregivenbelow.Readthepassageonceagain.tryto matchheadings (numbered 1-8)withthe statements (numbered A-R ).Headings:1. The thing to focus on in college2. Learning to learn3. W...
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【简答题】Wuhan may not be a 1 Chinese mega-city like Beijing or Shanghai. But the place where the 2 outbreak emerged is, in fact, a crowded metropolis with 3 to every part of the globe. Estimates 4 on the exac...
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相关题目：
【单选题】听力原文： I travel quite a lot in Beijing. I think the underground railway is marvelous. I nearly always travel by tube because it is fast and cheap. But I also like to travel by bike, particularly for sh...
A.
How to improve transportation.
B.
The best transportation facilities.
C.
A comparison between railway and airplane.
D.
Transportation in China.
查看完整题目与答案
【单选题】超文本(超媒体)由许多节点和超链组成。下列关于节点和超链的叙述,错误的是____________。(2010)
A.
把节点互相联系起来的是超链
B.
超链的目的地可以是一段声音或视频
C.
节点可以是文字,也可以是图片
D.
超链的起点只有是节点中的某个句子
查看完整题目与答案
【简答题】TV. Complete the following sentences with the words and phrases given in the box. TEXTI( be accused of /be confined to/ be inundated with/implicate sb in/violation of) TEXTII( assert oneself/diagnose/...
查看完整题目与答案
【简答题】请把以下段落翻译成中文: Wuhan may not be a well-known Chinese mega-city like Beijing or Shanghai. But the place where the coronavirus outbreak emerged is, in fact, a crowded metropolis with connections to every ...
查看完整题目与答案
【简答题】Fill in the right activities according to description of activities given in the table. 1. Running or Doing Exercises on the Playground 2. Playing Dolls or Building Blocks 3. Eating Bread and Drinking...
查看完整题目与答案
【单选题】超文本(超媒体)由许多节点和超链接组成。下列关于节点和超链接的叙述，错误的是______
A.
把节点互相联系起来的是超链接
B.
超链接的目的地可以是一段声音或视频
C.
节点可以是文字，也可以是图片
D.
超链接的起点只能是节点中的某个句子
查看完整题目与答案
【单选题】听力原文：What is mentioned as a weakness of buses in Beijing? (28)
A.
Not comfortable.
B.
Rather crowded and slow.
C.
Interval is long.
D.
Cannot reach suburban areas.
查看完整题目与答案
【单选题】超文本(超媒体)由许多节点和超链组成。下列关于节点和超链的叙述,错误的是_____( )_____。
A.
把节点互相联系起来的是超链
B.
超链的目的地可以是一段声音或视频
C.
节点可以是文字,也可以是图片
D.
超链的起点只有是节点中的某个句子
查看完整题目与答案
【简答题】Someheadingsandstatementsaregivenbelow.Readthepassageonceagain.tryto matchheadings (numbered 1-8)withthe statements (numbered A-R ).Headings:1. The thing to focus on in college2. Learning to learn3. W...
查看完整题目与答案
【简答题】Wuhan may not be a 1 Chinese mega-city like Beijing or Shanghai. But the place where the 2 outbreak emerged is, in fact, a crowded metropolis with 3 to every part of the globe. Estimates 4 on the exac...
查看完整题目与答案
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