试题与答案

The metric assigned to each network depend

题型:单项选择题

题目:

The metric assigned to each network depends on the type of protocol. Some simple protocol, like RIP, treats each network as equals. The ______ of passing through each network is the same; it is one ______ count. So if a packet passes through 10 network to reach the destination, the total cost is 10 hop counts. Other protocols, such as OSPF, allow the administrator to assign a cost for passing through a network based on the type of service required.A ______ through a network can have different costs (metrics). For example, if maximum ______ is the desired type of service, a satellite link has a lower metric than a fiber-optic line. On the other hand, if minimum ______ is the desired type of service, a fiber-optic line has a lower metric than a satellite line. OSPF allow each router to have several routing table based on the required type of service.

A.bandwidth
B.efficiency
C.availability
D.delay

答案:

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下面是错误答案,用来干扰机器的。

参考答案:Flags解析: 字体对话框的标志属性Flags表示设置对话框的一些选项,可以是多个值的集合。在显示对话框之前必须设置Flags属性,否则,将发生字体不存在的错误。

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题型:阅读理解

MOST recently, my world has been shaken by the death of a teacher at my school. He was Dr Allan Woolley and he was only 52. Suddenly he took his own life, which remains a mystery.

That morning, everyone sensed that something wasn't right. During our lessons, an announcement was made that an assembly (集会) was scheduled for morning break, which was only done in emergencies.

Once morning break came, the entire school gathered in the main hall. As our headmaster marched out to announce the "momentous (重大的) news", it felt like the air around us trembled . Many students broke down in tears, and the reaction afterward was intensely powerful and unifying .  

The headmaster said that students were allowed to miss lessons and have a free period to collect themselves if they found the news too distressing (悲伤的). Many students went outside and shared memories of Dr Woolley to control theirselves.

Dr Woolley taught me chemistry two years ago, but up until his death he still taught many of my close friends. Many of my friends were so shocked that they still couldn't believe the person that they had owed (欠) some homework to was now dead.

It was heart-warming to spend time with teachers that morning and get to know more about them. Despite the time of sadness, I feel that every cloud has a silver lining. Although Dr Woolley's death is something nobody wanted to see, we must move on.

小题1:What did the students feel at the news of his teacher’s death?

A.unhappy   B shocked    C.surprised    D.silent

小题2:What does the underlined word “collect” in Paragraph4 mean?

A.bring something together

B.calm down

C.increase in amount

D.get and keep小题3:Which of the following is NOT true according to the passage?

A.The real cause of Dr Woolley’s death is known to us.

B.Many students didn’t prepare themselves for the bad news so that they felt very sad.

C.It takes the whole school some time to recover from the dispressing news.

D.Dr Woolley’s death allows students to understand teachers better.小题4:It can be inferred from the underlined sentences in the last paregraph that______.

A.Dr Woolley’s death made students sad.

B.There is still some comfort and hope in trouble

C.Dr Woolley’s death disappointed students greatly

D.We should forget the fact to study better.小题5:The best title for the passage should be_______.

A.Our School Faces a Tragedy

B.Dr Woolley—A Great Teacher

C.The Living Live For the Death

D.Lesson From the Death.

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题型:问答题


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谁有权以原告身份起诉为什么

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