试题与答案

计算机网络利用通信线路将不同地理位置的多台独立的______的计算机系统连接起来,以

题型:填空题

题目:

计算机网络利用通信线路将不同地理位置的多台独立的______的计算机系统连接起来,以实现资源共享。

答案:

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参考答案:C解析: 依题意,应选择SAN存储方式来满足题干中的“对数据操作的时延短”和“采用专用网络连接”用户需求。SAN主要包含FC SAN和IP SAN两种,FC SAN的网络介质为光纤通道,而IP SAN使用标准的以太...

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题型:阅读理解

The other day I heard a few local musicians talking:

"I hate all the pianos in this town and I hate that rubbish they play on the radio .They cannot every understand rhythm(韵律)"

"Nobody wants to pay musicians anything. I'm sick of all the people who want you to play without paying you."

One younger musician said, "There are several clubs who want me to play for a few nights a  month and I'm trying to find other places to play .I'm also planning to join in several summer festivals this year."

I  really liked what the younger musician said so I made friends with him.

Attitudes are important. Whether they're positive or negative(消极) they're all rubbing      off on you,If you're around people who are always complaining or blaming others, it is possible that you will start doing the same as well. If you spend lots of time with people who don't support your dreams, it is time to take a look at the people you call " friends".

There is an easy exercise you can try. Make a list of the people who you often stay with, and simply stop , spending time with the negative ones on your list. Set a new standard for yourself and don't become friends with people who fall below that standard.

Of course, this exercise is entirely different from making friends only for the good of oneself. We really should try to help and spend time with those who are working towards a goal or dream.

小题1:The musicians' conversation at the beginning is there to show that

A.musicians' living conditions are not good

B.people in that town have poor taste in music

C.young people are more likely to succeed

D.different musicians have different attitudes小题2:The underlined part in Para. 6 means________.

A.they'll have an influence on you

B.they'll help you realize your dreams

C.they'll keep you from moving on

D.they'll push you ahead very hard小题3:Why did the author want to make friends with the younger musician?

A.He is more active than the others.

B.He can earn more than the others.

C.His attitude is more positive than the others.

D.He has more things to do than the others.小题4:By doing the exercise mentioned in Para. 7, you can________.

A.improve your ability to make friends

B.make the right kind of friends for sure

C.develop a better relationship with your friends

D.make some new friends with similar interests小题5:We can get the following information from the passage EXCEPT________.

A.the younger musician is a positive person and would be a good friend

B.one should avoid making friends with people having lots of difficulties

C.the exercise can help you keep close to really helpful friends

D.one will start complaining if one spends too much time with negative people

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题型:选择题

据权威刊物报道,1996年科学家在宇宙中发现H3分子。甲、乙、丙、丁四位学生对此报道的认识正确的是 [ ]

A.甲认为上述发现绝对不可能,因为H3分子违背了共价键理论

B.乙认为宇宙中还可能存在另一种氢单质,因为氢元素有三种同位素必然有三种同素异形体

C.丙认为H3分子实质上是H2分子与H+以特殊共价键结合的产物,应写成H3+

D.丁认为如果上述的发现存在,则证明传统的价键理论有一定局限性有待继续发展

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