以一个节点为中心处理机,各种类型的入网机器均与该中心处理机有物理链路直接相连,其他节

题型:填空题

问题:

以一个节点为中心处理机,各种类型的入网机器均与该中心处理机有物理链路直接相连,其他节点间不能直接通信,需要中心处理机转发,这样的网络拓扑结构是________。

考点:自学考试高等教育自学考试全国2009年10月自学考试互联网及其应用试题(暂缺部分答案)
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阅读短文并完成相关任务。

     Nick Smith is my friend. He is 12 years old.  He is from America.  He speaks English and French. His

favorite subject is science. He likes Chinese,  too.  And he says he can speak a little Chinese, but he can't

write in Chinese. Nick likes sports, too. He likes swimming best. He goes swimming on weekends with his father. He says he can swim very well.  He doesn't like biology. He thinks it is too difficult.  Nick has a big

family.  There are  eight  people in his family,  his grandpa,  grandma,  father,  mother and  his brothers and sisters. He has two brothers and two sisters. They are Bob, Tim, Jane and Susan. They are happy!

Name:  Nick  Smith          

Age:       1._________________  

From:       2._________________________              

He can speak:     3.______________________                      

Favorite subject(s):    4.____________ and ____________              

Favorite sport(s):       5.________________________                

6.请从文中找出He is from the USA

___________________________________________________________

7.将下面句子译成汉语.

  And he says he can speak a little Chinese, but he can't write in Chinese.

___________________________________________________________

8.根据短文内容填空.

   Nick doesn't have a ___________ family. He has a big one. He has _________ brothers and sisters.

9.回答问题:Why doesn't nick like biology?

___________________________________________________________

题型:填空题

____, the more expensive the camera, the better its quality. [ ]

A. General speaking

B. Speaking general

C. Generally speaking

D. Speaking generally

题型:填空题

关于能力、知识与技能的说法,错误的是()。

A.知识是概括化的经验系统 

B.能力是可以无限发展的 

C.能力是一种概括化的心理特征 

D.技能是概括化的行为模式

题型:填空题
电气化铁路的输电线常用图所示的方式悬挂在钢缆上.钢缆的A端固定在电杆上,B端连接在滑轮组上.滑轮组由a、b、c三个滑轮构成,配重P由多个混凝土圆盘悬挂在一起组成,配重的总重为G,若不计摩擦和滑轮的重量,则以下说法中正确的是(  )

A.a为动滑轮,B端钢缆受到滑轮组的拉力大小约为3G

B.a为动滑轮,B端钢缆受到滑轮组的拉力大小约为G

C.a、c为动滑轮,B端钢缆受到滑轮组的拉力大小约为3G

D.a、c为动滑轮,B端钢缆受到滑轮组的拉力大小约为G

题型:填空题

在工作间断期间,工作票未交回,若有紧急情况需要送电,该如何办理?

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