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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

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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.
【C16】
选项 A、divided
B、disappointed
C、protected
D、united
答案A
解析 本动词位于段落的首句，是整个段落的总述句，直接概括出本段的主旨，因此本动词的答案要依赖于对分述的分析。分述出现了非常明显的信息：Some applaud the approach；others are concerned. 这些信息明确说明了大家的看法和意见是不一致的，而段落的首句就是对分述信息的概括，本动词的答案是A项divided(分裂)，即当局的计划在保护隐私权利的活动分子中引起了分歧。如果孤立地看本动词所在的句子本身，其他选项动词无论从语法上还是意思上都是成立的。但完形的特色就是填空不仅仅处于单个的句子，而且处于一篇文章之中，受到整篇文章信息的制约，考生只要能判断出本动词所在的句子是段落的总述句，是对此后段落分述信息的总结，就知道其他三个动词：B项disappointed(使失望)、C项protected(保护)、D项united(联合)是不对的，因为它们的意思与本段落的分述信息无关。
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