______不属于计算机网络的功能。 ( )A.资源共享 B.提高可靠性 C.提

题型:单项选择题

问题:

______不属于计算机网络的功能。 ( )

A.资源共享

B.提高可靠性

C.提高CPU运算速度

D.提高工作效率

考点:计算机等级考试PC技术三级PC技术笔试
题型:单项选择题

阅读下面的短文,将文中划线部分译成汉语或英语。

     Students learn their lessons in class. Teachers teach them. 1.Students sit in the classroom listening to

the teacher. This is the common way of learning. Is this the only way for students to learn? Of course not.

 2. 有一些其他的学习方式。Besides listening to teachers, students can learn something by themselves.

As you know, many students in schools have found new ways of learning things by themselves in class.

The first thing is to read something they are interested in or they have to read. The second is that before

they ask others, they must ask themselves questions that they don’t understand. The third is, 3. to answer

the questions themselves by thinking hard, by reading the text or other books. If they still have questions,

they may show them to the class. Any student or the teacher who can deal with the questions may answer

them in class. 4. 学生们可以互相学习。They are learning by working together. 5.They have found

great success in their study. If you keep doing in this way for a long time, you’re sure to succeed in your

study, too.

1._____________________________________________

2._____________________________________________

3._____________________________________________

4._____________________________________________

5._____________________________________________

题型:单项选择题

—Thank you for your MP4 player. I’ll ask Mary to take it to you soon.

—______. I’ve bought a new one.

A.No sense

B.No hurry

C.No way

D.No use

题型:单项选择题

Do not        your personal information unless it is a safe website. 

A.give out

B.give in

C.give up

D.give away

题型:单项选择题

下述哪项不是心力衰竭的原因

A.压力负荷过度

B.全身感染

C.弥漫性心肌病变

D.心肌缺血缺氧

E.容量负荷过度

题型:单项选择题

一台电动机q=72,2q=6,采用三相双层叠短绕距绕组绕制,则节距为9。 ( )

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