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  3. 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

admin2022-12-06  114
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.
【C12】
选项 A、In vain
B、In effect
C、In return
D、In contrast
答案B
解析 本填空的词组处于句首作状语，是对其后整个句子的修饰。分析其后的句子：the approach would create a "walled garden" in cyberspace with safe "neighborhoods" and bright "streetlights" to establish a sense of a________community. 本句子的意思明显是在描述和说明这种方法所达到的实际结果。四个选项中最恰当的是B项In effect(实际上，结果)。A项In vain(徒劳地)从修饰的角度违背了一致性，因为其后句子的内容是说这种方法将会取得很好的实际效果，是正面的，从逻辑上无法用带有负面倾向的In vain(徒劳地)来修饰。而D项In contrast(相反地)在逻辑上讲不通，因为本句之前的信息与本句的意思是一致的，是承接的，无法构成转折相反的信息。C项In return(作为回报)与本句子的意思毫无关联。
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