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
2016-10-07
35
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【C1】______a nationwide network to connect a handful of universities and contractors (订约人). The【C2】______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【C3】______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【C4】______that had nothing to do with the military industrial complex. If somebody else had something interesting【C5】______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【C6】______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【C7】______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【C8】______into network facilities resources and network information resources. The network facilities resources provide us the ability of【C9】______computation and communication. The network information resources provides us all kinds of information【C10】______, 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
【C3】
选项
答案
D
解析
此处需填入及物动词,且为原形。本句仍为当初建立网络的目的,而根据其宾语a nuclear war or other disasters,可选出survive,意为“幸存,幸免于”。
转载请注明原文地址:https://kaotiyun.com/show/nrY7777K
0
大学英语四级
相关试题推荐
It’sdifficulttoimaginetheseaeverrunningoutoffish.It’ssovast,sodeep,so【B1】______.Unfortunately,it’snot【B2】____
It’sdifficulttoimaginetheseaeverrunningoutoffish.It’ssovast,sodeep,so【B1】______.Unfortunately,it’snot【B2】____
Forthispart,youareallowed30minutestowriteashortessayaboutacampusactivitythathasbenefitedyoumost.Youshould
A、Becauseitwaseasytofind.B、Becauseitcouldbemadeintodifferentdesigns.C、Becauseitwaseasiertotakearound.D、Beca
Americansbelievethatindividualsmustlearnto【B1】_______themselvesorrisklosingfreedom.Thismeansachievingbothfinanci
Americansbelievethatindividualsmustlearnto【B1】_______themselvesorrisklosingfreedom.Thismeansachievingbothfinanci
A、Hehasnomuchtrouble.B、Heunderstandsthereadinglastnight.C、Heunderstandsthereadingverylittle.D、Hehasn’tunderst
A、Thegirlsgotonwellwitheachother.B、It’sunderstandablethatgirlsdon’tgetalong.C、Shewasangrywiththeotheryoung
A、ThedigitalTVsystemwillofferdifferentprograms.B、Heiseagertoseewhatthenewsystemislike.C、Hethinksitunrealis
随机试题
Iwasadvisedtoinsuremyself________Ishouldneedmedicaltreatment.
下列各项对诊断伤寒最有意义的是
细辛的主产地是()。
新药证书的持有者,将新药生产技术转给药品生产企业,并由该药品生产企业申请生产该新药的行为是境外生产的药品在中国上市销售的注册申请是
以下选项中,()为地下锅炉严禁使用的燃料。
某安全等级为三级的重力式码头建筑物,采用抛石基床,其条形基础的有效宽度B’e=6.9m,基础埋深为9m,基床下地基土为中砂。经计算得到tanδ=0.2;标准贯入击数为40,基础底面下土的重度γsat=19.8kN/m3,基础底面以上土的加权平均重度为9.2
思维最主要的特征包括()。
首因效应
为计算an的值,某人编写了函数power如下:PrivateFunctionpower(aAsInteger,nAsInteger)AsLongDimsAsLongp=aFork=1
Whatdoyoudoifyoudon’tgetintoyourfirst-choiceuniversity?This【D1】______facesthousandsofBritishstudentseveryyear.
最新回复
(
0
)