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
Viruses are human-made software programs【C1】______specifically to wreak havoc on personal computers and networks. The【C2】______o
Viruses are human-made software programs【C1】______specifically to wreak havoc on personal computers and networks. The【C2】______o
admin
2010-09-10
51
问题
Viruses are human-made software programs【C1】______specifically to wreak havoc on personal computers and networks. The【C2】______of contracting one of these computer viruses over the Internet has increased dramatically. Typically, you get a virus by opening e-mail【C3】______.
Some viruses are relatively【C4】______to individuals. They just【C5】______themselves to【C6】______messages or e-mail themselves to all the people listed in your address book. The sudden flood of email【C7】______mail servers, causing the system to【C8】______.
Other viruses are more【C9】______,and may lie asleep until a certain date. Then they【C10】______to life to do their dirty【C11】______. Sometimes a strange message appears on your screen, or data and programs may be【C12】______. In the worst case, all the contents of your hard drive may be【C13】______out. These【C14】______programs start on one computer, then replicate quickly,【C15】______other computers around the world.
In 1988, a student at Cornell University sent out a virus by【C16】______, nearly【C17】______the Internet to its knees. More recently, the "I Love You" virus caused over $1 billion in lost【C18】______as it【C19】______e-mail systems worldwide. Last year【C20】______, 10, 000 new viruses, worms and Trojan horses were unleashed.
【C12】
选项
A、alternated
B、modified
C、refined
D、deleted
答案
B
解析
可能被修改。
转载请注明原文地址:https://kaotiyun.com/show/ZP87777K
0
大学英语四级
相关试题推荐
Inrecentyears,moreandmoreforeignersareinvolvedintheteachingprogramsoftheUnitedStates.Bothoftheadvantagesand
A、Becausetheybentoverfromthewaist.B、Becausetheybenttheirkneesandsquatdown.C、Becausetheykeeptheirbackandhips
Asresearcherslearnmoreabouthowchildren’sintelligencedevelops,theyare【S1】______surprisedbythepowerofparents.The
A、Toseethedean.B、Towatchtheteam.C、Togotoherownoffice.D、Tofollowtheman.A
TheEndangeredSpeciesActorderstheU.S.FishandWildlifeService,abranchoftheDepartmentoftheInterior,protectspecie
A、Someonewhobreaksintoandusessomeoneelse’scomputer.B、Someonewhobreakscommercials.C、Someonewhofixessomeoneelse’s
A、Toomanypeoplearesmoking.B、Thebreezeissostrong.C、Thewindowisclosed.D、Theroomisfull.Athewoman抱怨屋子太闷,她几乎无法呼吸,t
Shynessisthecauseofmuchunhappinessforagreatmanypeople.Shypeopleareanxiousandself-conscious;thatis,theyare【B
HowGeniusesWorkWithoutadoubt,Einsteinwasagenius.SowasIsaacNewton,whoinventedPhysics.Healsoplayedabigro
A、In30minutes.B、Justbeforemidday.C、Longbeforemidday.D、In30minutes,ifsheruns.C此题考查听细节的能力。此题要求考生抓住两处重要信息:thewoman
随机试题
supplychains
既能泻肺胃肾火,又能滋肺胃肾阴的药物是
下列氨基酸中含有羟基的是
塑料薄膜罩帐气调养护中药的优点是
为提高混凝土的抗钢筋锈蚀和耐久性,可在混凝土拌合物中加入()。[2009年真题]
砌筑工程中,常用作隔热耐火砖的有()。
某企业为实现质量目标,进行质量管理,建立质量管理体系,并把质量管理的原则作为建立质量管理体系的基础理论,为此该企业进行了一系列质量管理活动。作为一种持续改进的工作方法,戴明循环是指()。
在成人阶段中,流体智力的发展模式为()。
下列哪些是备课的要求?()
WhoisNOTanancientGreekphilosopher?()
最新回复
(
0
)