______不属于计算机网络的功能。 ( )A．资源共享 B．提高_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

______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

答案

参考答案：C

解析：计算机网络具有下列基本功能：数据通信；资源共享；实现分布式的信息处理；提高计算机系统的可靠性和可用性。而提高CPU运算速度不属于计算机网络的功能。

阅读理解

阅读下面短文，掌握其大意，然后从方框中选出能填入文中空白处的最合适的单词，并将该单词的标号 (A、B、C、D、E…) 填写在答题卡对应题号的横线上。

A. countries B. invented C. began D. one E. after F. as G. carry
H. speak I. only J. few K. first L. held M. heard N. listen

The word "Hello" maybe used more often than any other word in the English language. Everyone in the USA and other   小题1:  uses this word again and again every day..
The American inventor Thomas Edison is believed to be the   小题2:  person to use "Hello" on the telephone soon   小题3:  the world's first telephone was   小题4:  .
At first people   小题5:   their words on the telephone with "Are you there?" They were not sure if a telephone could really   小题6:  voices.
Edison was a man of 小题7:  words. He wanted to save time. The first time he picked up the phone, he was very busy. He trusted the telephone   小题8:  he invented it himself. He was sure someone was there and   小题9:  said "Hello".
From then on, "Hello" is often  小题10:  when you pick up the telephone.

问答题简答题

简述社会医疗保险模式的优点。