首页
登录
职称英语
The Internet is an international collection of computer networks that all un
The Internet is an international collection of computer networks that all un
游客
2024-02-17
20
管理
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 [br] 【1】
选项
答案
F
解析
此处需要及物动词的过去式,作谓语。该句的主语是the U.S.Department of Defense,宾语是network,由此可以推断出答案为established(建立)。
转载请注明原文地址:https://tihaiku.com/zcyy/3459775.html
相关试题推荐
Internetuseappearstocauseadeclineinpsychologicalwell-being,accordi
[originaltext]W:WouldyoupleasetellmehowmanypeopleusetheInternet?M:
______(没有一项发明获得如此多的表扬和批评)thanInternet.Noinventionhasreceivedmorepraiseand
Manyofussitinfrontofacomputerforeighthoursaday,andthengohom
Manyofussitinfrontofacomputerforeighthoursaday,andthengohom
[originaltext]TheInternationalMonetaryFund(IMF)hasraiseditspredicti
[originaltext]TheInternationalMonetaryFund(IMF)hasraiseditspredicti
[originaltext]W:Hello,UltimateComputers.MayIhelpyou?M:Yes,thisisJac
[originaltext]W:Hello,UltimateComputers.MayIhelpyou?M:Yes,thisisJac
Telecommuting—substitutingthecomputerforthetriptothejob—hasbeen
随机试题
Baltimorewasfoundedin1729.Foragenerationitseemednodifferentfrom
下列药物中,骨形成刺激剂为A.降钙素 B.甲状旁腺素 C.钙制剂 D.双膦
我国旅游饭店分为五个星级,即一星级、二星级、三星级、四星级、五星级(含白金五星级
持枪猎捕的,应当依法取得()核发的持枪证A.环境保护主管部门 B.野生动物保护
客户不可以通过银行购买的产品有()。A.保险 B.债券 C.基金 D.
以下选项中不属于远期合约、期货合约、期权合约和互换合约的区别的是()。A.交易
有“翘鼻头”的中药是A.天麻 B.麝香 C.乌鞘蛇 D.蟾酥 E.蕲蛇
关于处方留存期限错误的是A.毒性中药处方留存2年 B.麻醉中药处方留存3年
Thechangeinthatvillagewasmiraculou
体内红细胞绝对数增多见于A.糖尿病酮症酸中毒 B.腹泻 C.慢性肾上腺皮质功
最新回复
(
0
)