试题与答案

以下IP网描述中,错误的是()。A.OSPF路由一定比RIP的路由优先 B.等值路由

题型:多项选择题

题目:

以下IP网描述中,错误的是()。

A.OSPF路由一定比RIP的路由优先

B.等值路由的下一跳设备一定不同

C.接口的MTU值为1500,那么一个大小为1800的数据包在经过该端口转发时一定被分片

D.以太网中,一个MAC一定只对应一个IP地址

答案:

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下面是错误答案,用来干扰机器的。

答案:C题目分析:在一定区域内生物和它所生活的环境就形成一个生态系统,它包括生物部分和非生物部分,生物部分包括植物、动物、细菌真菌等微生物,非生物部分包括阳光、空气、水、土壤、温度等,只有生物不叫生...

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题型:阅读理解

阅读短文,根据其内容回答问题。

     It's Saturday morning and Tony's sitting at the kitchen table, staring(凝视)into space and playing with

a piece of bread. He's not even hungry. Is he ill? No,  but he does have a problem. He has nothing to do

and there's a simple reason: the Internet is down and Tony has nothing to do.

     When he woke up this morning,  Tony was  feeling great.  He jumped  out of bed full of plans for the

weekend ahead. It would be a weekend like any other-a great weekend. But  that was before he turned

on his computer and was unable to go online. No Internet changed everything.

     Just as Tony is wondering how he can possibly have a normal(平常的)weekend without the Internet,

his mum walks into the kitchen. "Is everything OK?" she  asks. "No, mum, everything is definitely(的确)

not OK," her sad son replies. "I can't go online  and  I  have homework to finish." His mum laughs, "The

word program is still working, so what's the problem?"

     What's the problem? Tony can't believe his  own  mother  is  unable  to  see how serious the problem

really is. To start with, he still needs to do research for his homework. He knows his mum will tell him to

go to the library but he hates the library.  It's  so  dark  and  uncomfortable. And forget homework-what

about the rest of his weekend! Every weekend,  he goes  online to email friends. Then he reads the news

to catch up on what's happening in the world. He plays a few online games and finishes the weekend off

with an online chess game  with  his  cousin  Helen. The  wonderful  weekend-online!  Now it's Saturday

morning and he's not going to have access to(进入)the Internet for two whole days. He needs help.

1.Is Tony busy with the Internet every weekend?

__________________________________________________________________

2.What does he usually do every weekend?

__________________________________________________________________

3.Why did Tony stare and play with a piece of bread?

__________________________________________________________________

4.What might his mother advise him to do?

__________________________________________________________________

5.What do you think of spending a whole weekend online? Why?

__________________________________________________________________

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项目的临电策划由项目电气工程师执笔,经项目经理审批后付诸实施。在临电安装过程中,发现其与已有的电力设施互相妨碍,最终根据《电力法》中处理此类事件的基本原则得到妥善处理。

项目的控制使用林德法,其前6个月的统计数据见下表:

《电力法》中处理临时设施与电力设施互相妨碍的基本原则有哪些?

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