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The Internet affords anonymity to its users, a blessing to privacy and freedom of speech. But that very anonymity is also behind
The Internet affords anonymity to its users, a blessing to privacy and freedom of speech. But that very anonymity is also behind
admin
2022-12-06
174
问题
The Internet affords anonymity to its users, a blessing to privacy and freedom of speech. But that very anonymity is also behind the explosion of cyber-crime that has【C1】________across the Web.
Can privacy be preserved【C2】________bringing safety and security to a world that seems increasingly【C3】________?
Last month, Howard Schmidt, the nation’s cyber-czar, offered the federal government a【C4】________to make the Web a safer place—a "voluntary trusted identify" system that would be the high-tech【C5】________ of a physical key, a fingerprint and a photo ID card, all rolled【C6】________one. The system might use a smart identity card, or a digital credential【C7】________to a specific computer, and would authenticate users at a range of online services.
The idea is to【C8】________a federation of private online identify systems. Users could【C9】________which system to join, and only registered users whose identities have been authenticated could navigate those systems. The approach contrasts with one that would require an Internet driver’s license【C10】________by the government.
Google and Microsoft are among companies that already have these "single sign-on" systems that make it possible for users to【C11】________just once but use many different services.
【C12】________, the approach would create a "walled garden" in cyberspace with safe "neighborhoods" and bright "streetlights" to establish a sense of a【C13】________community.
Mr. Schmidt described it as a "voluntary ecosystem" in which "individuals and organizations can complete online transactions with【C14】________, trusting the identities of each other and the identities of infrastructure【C15】________which the transaction runs."
Still, the administration’s plan has【C16】________privacy rights activists. Some applaud the approach; others are concerned. It seems clear that such a scheme is an initiative push toward what would【C17】________be a compulsory Internet "driver’s license" mentality.
The plan has also been greeted with【C18】________by some computer security experts, who worry that the "voluntary ecosystem" envisioned by Mr. Schmidt would still leave much of the Internet【C19】________. They argue that all Internet users should be【C20】________to register and identify themselves, in the same way that drivers must be licensed to drive on public roads.
【C15】
选项
A、on
B、after
C、beyond
D、across
答案
A
解析
本填空考查介词辨析和介词搭配。首先从语法上理解本填空引导的句子是一个定语从句,修饰先行词infrastructure(平台;基础设施),所以正确答案是A项on,因为交易是在平台上运行的。本题要基于定语从句which the transaction runs与先行词infrastructure之间的关系来确定介词答案,其他选项例如B项after(之后)、C项beyond(超越)、D项across(跨过)在用法和意思上均无法成立。
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0
考研英语二
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