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
47
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
Internetuseappearstocauseadeclineinpsychologicalwell-being,accordingtoresearchatCarnegieMellonUniversity.Evenp
A、Hiscomputerisn’tworking.B、Hehastostudyforexams.C、Hedidn’tunderstandtheassignment.D、Hewon’tbeoncampusuntil
Whenyouhavetomeetsomeonefromadifferentculture,beprepared.Ifyouunderstandculturaldifferences,you’llbeabetter
Whenyouhavetomeetsomeonefromadifferentculture,beprepared.Ifyouunderstandculturaldifferences,you’llbeabetter
Gettingagoodnight’ssleephaslongbeenknowntoconsolidatetheday’smemories,movingthemfromshort-termstorageintolon
Gettingagoodnight’ssleephaslongbeenknowntoconsolidatetheday’smemories,movingthemfromshort-termstorageintolon
PerhapslikemostAmericansyouhavesomeextrapoundstoshed.Youmayevenhavetriedafad(时尚)dietortwo,butfoundyourse
NewGraduationMath=SuccessforCommunityCollegesTheconceptofcommunitycollegesintheUnitedStatesdevelopedinthe
A、Heisakind-heartedman.B、Heprobablycan’tfindajobfortheman.C、Heisunwillingtohelpthemanfindajob.D、Heisth
随机试题
A.合剂B.煎膏剂C.流浸膏剂D.糖浆剂E.酒剂制备时容易出现“返砂”的制剂是
女性,20岁,贫血3个月,易感冒,牙龈有时出血,血象呈全血细胞减少,不支持再生障碍性贫血诊断的是
腰椎穿刺的适应证不包括
颗粒状白斑多见于
会计人员工作交接后,在移交清册上签名或盖章的人员包括()。
在新中国,外交政策()指在彻底清除旧中国遗留下来的帝国主义在华特权和残余势力之后再请客人进来,以免敌对者“钻进来”捣乱的方针。
手表:指针:指示时间
据《中国青年报》报道,2018年中国社会科学院“中国大学生追踪调查(PSCUS)”研究结果近日公布。对全国18所高校在校大学生的调查发现,大学生平均每天玩网络游戏的时间约为2小时,22.95%的大学生基本每天都玩网络游戏。游戏不只是男生的偏好,
党的十九大报告指出,要坚决打赢脱贫攻坚战。消除贫困、改善民生、逐步实现共同富裕,是社会主义的本质要求,是我们党的重要使命。动员全党全国全社会力量,坚持精准扶贫、精准脱贫,坚持中央统筹、省负总责、市县抓落实的工作机制,强化党政一把手负总责的责任制,注重扶贫同
参观后,我们每个人都谈了自己的心得。
最新回复
(
0
)