首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
The Internet is an international collection of computer networks that all understand a standard system of addresses and commands
The Internet is an international collection of computer networks that all understand a standard system of addresses and commands
admin
2012-12-26
67
问题
The Internet is an international collection of computer networks that all understand a standard system of addresses and commands, connected together through backbone(中枢) systems. It was started in 1969, when the U.S. Department of Defense【1】a nationwide network to connect a handful of universities and contractors (订约人). The【2】idea was to increase computing capacity that could be shared by users in many locations and to find out what it would take for computer networks to【3】a nuclear war or other disasters by providing multiple paths between users. People on the ARPNET (as this nationwide network was originally called) quickly discovered that they could exchange messages and conduct electronic "conferences" with distant colleagues for【4】that had nothing to do with the military industrial complex. If somebody else had something interesting【5】on their computer, it was a simple matter to obtain a copy (assuming the owner did not protect it).
Over the years, additional networks joined which added【6】to more and more computers. The first international connections, to Norway and England, were added in 1973. Today thousands of networks and millions of computers are connected to the Internet. It is growing so quickly that nobody can say【7】how many users "on the Net".
The Internet is the largest repository (知识库) of information which can provide very large network resources. The network resources can be【8】into network facilities resources and network information resources. The network facilities resources provide us the ability of【9】computation and communication. The network information resources provides us all kinds of information【10】, such as science, education, business, history, law, art, and entertainment, etc.
A. access B. original C. divided D. survive
E. debates F. established G. purposes H. genuine
I. exactly J. remote K. possibility L. stored
M. totally N. services O. maintain
【10】
选项
答案
N
解析
此处需填名词。由下文such as后的列举的科学、教育、商业等,可知services正确。information services意为“信息服务”。
转载请注明原文地址:https://kaotiyun.com/show/J4w7777K
0
大学英语四级
相关试题推荐
Nuclearscienceshouldbedeveloped______(有益于人民而不是伤害他们).
A、Hiscomputerisn’tworking.B、Hehastostudyforexams.C、Hedidn’tunderstandtheassignment.D、Hewon’tbeoncampusuntil
Whenyouhavetomeetsomeonefromadifferentculture,beprepared.Ifyouunderstandculturaldifferences,you’llbeabetter
Whenyouhavetomeetsomeonefromadifferentculture,beprepared.Ifyouunderstandculturaldifferences,you’llbeabetter
Whenyouhavetomeetsomeonefromadifferentculture,beprepared.Ifyouunderstandculturaldifferences,you’llbeabetter
Gettingagoodnight’ssleephaslongbeenknowntoconsolidatetheday’smemories,movingthemfromshort-termstorageintolon
PerhapslikemostAmericansyouhavesomeextrapoundstoshed.Youmayevenhavetriedafad(时尚)dietortwo,butfoundyourse
PerhapslikemostAmericansyouhavesomeextrapoundstoshed.Youmayevenhavetriedafad(时尚)dietortwo,butfoundyourse
Sinceancienttimes,thedestructiveeffectsofearthquakesonhumanlivesandpropertyhaveencouragedthesearchforreliable
随机试题
计算对接接头静载强度时,不考虑焊缝的(),所以计算基本金属强度的公式完全适用于计算对接接头。
听阈是指
药品经营企业必须具有
简述无权处分与无权代理有何区别。[苏州大学2012年研]
当工程总报价确定后,通过调整工程量清单内某些项目的单价,使其不影响中标,但又能在结算时获得较好的经济效益的投标报价技巧称为( )。
玻璃钢冷却塔的重量包括( )等。
“勉从虎穴暂栖身,说破英雄惊煞人。巧将闻雷来掩饰,随机应变信如神。”这首诗说的是《三国演义》中一段故事。这个故事是:
工具是个人相互联系的中介。()
战后西方主要资本主义国家出现的新变化表明()
软件需求规格说明书的作用不包括
最新回复
(
0
)