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  3. Text 1 What has been described as the la

Text 1 What has been described as the la

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问题 Text 1 What has been described as the largest ever ransomware attack-a cyber criminal scheme that locks up computer files until vicLims pay a ransom-holds the paradoxical disLinction of being both an outrageous success（in terms of its blast radius）as well as an abject failure（in terms of its h8ul）.The malicious software spread so far and wide,jammed up so many IT networks and generated so much panic and chaos that the wronE;doers effectively undid themselves.On May 12,the world awoke to the beginnings of hundreds of thousands of old Microsoft Win-dows based computers'seizing up as Lhey subjected to a malicious software,appropriately called WannaCry.Within hours,the digital epidemic circled the globe like the Spanish flu,infecting ma-chines running outdated operating systems in some 150 countries,spreading across numerous homes and corporate networks.The attack,which relied on powerful tools believed to have been developed by the NSA and leaked online in April by a group of hackers known as the Shadow Brokers,wormed its way through businesses,hospitals and govemments,all of which found themselves suddenly locked out of their own systems.Researchers detected the wave quickly,and it wasn't long before they picked up on the criminals'self-defeating mistakes.The attackers failed to assign each victim a separate Bitcoin wallet,researchers noted,a criiical error that meant they would not be able to easily Lrack ransom pay-ments.They neglected to automate the money collection in a way that would scale.And then there was the matter of the kill switch.No one is quite certain why the attackers coded a self-destruct burton into their software,yet that's precisely what they did,Marcus Hutchins,a 22-year-old security researcher based in England who goes by MalwareTech,stumbled on the power plug largely by accident.After taking lunch on that Friday aftemoon,he inspected the malware and noticed a specific web address encoded within.Curious,he registered the domain for less than$11.This simple aci stopped the malware,killing the virus'ability to spread and buying Lime for organizations to upgrade their software and deploy protections.Marcus Hutchins prevented the malware from spreading by____A.pushing the self-destruct buttton in the softwareB.purchasing its domain name accidemallyC.puUing the power plug found by chanceD.finding its web address intentionally
选项 A.pushing the self-destruct buttton in the software
B.purchasing its domain name accidemally
C.puUing the power plug found by chance
D.finding its web address intentionally
答案 B
解析 细节题。根据题干关键词Marcus Hutchins定位到最后一段第二行。根据prevented the malware from spreading定位到该段倒数第三行：This simple act stopped the malware．killing the virus'ability to spread...题干问“通过什么方法阻止恶意软件”，原文说“这一简单举措阻止了这个恶意软件”，显然“这一简单举措”指代的内容即为答案。故答案句为上一句：Curious，he registered the domain for less than$11.与该句相符的选项是[B]purchasing its domain name accidentally;其中purchasing=registered...for less than$Il,domain name=domain．accidentally=上文提到的by accident。选项[A]pushing the self-destruct button与选项[C]pulling the,power plug都是无中生有。选项[D]finding its web address=原文noticed a specific web address，而intentionally“故意”一词与原文by accident“偶然”不符，故该项错误。综上，本题选择[B]。
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