2. 外语
  3. 　　A paper, Anatomy (剖析) of a Large Scale Social Search Engine, laying out a strategy for social search has been getting a good d

　　A paper, Anatomy (剖析) of a Large Scale Social Search Engine, laying out a strategy for social search has been getting a good d

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问题 　　A paper, Anatomy (剖析) of a Large Scale Social Search Engine, laying out a strategy for social search has been getting a good deal of attention in tech circles. It was written by Damon Horowitz and Sepandar Karnvar of Aardvark, one of several companies【C1】 ________ on creating social search engines.
    Social search【C2】 ________ to connect people with questions to people who can answer those questions. By contrast, regular Web searches take questions, break them into keywords, and then find Web sites that have the most【C3】 ________ to these keywords. The idea has been floating around tech circles for years. Yahoo, among others, has tried to develop social search as a way to【C4】 ________ Google.
    The idea has gained impulse with the increased use of Twitter and Facebook, where people 【C5】 ________ on their networks for information, blasting questions to their social networks and, getting useful, personalized 【C6】 ________ Aardvark and its competitors are trying to create better tools for people with questions to connect to people with answers. Some people think social search has the potential to go beyond Google and【C7】 ________ change the way people use the Internet.
    From a technical standpoint, Aardvark’s task is easier than Google’s. But there are also some【C8】 ________ shortcomings to Aardvark’s approach. Getting answers through social search requires someone else to do something, so it cannot produce the【C9】 ________ satisfaction that comes from typing something into a Web search box and watching a page of results appear. For Aardvark to be successful, it needs to enlist the participation of【C10】 ________ answerers.
    A) working            E) fundamentally            I) competent            M) relation
    B) researches         F) specializing             J) significant          N) challenge
    C) aims               G) constant                 K) relevance            O) rely
    D) responses          H) primarily                L) instant
【C1】
选项
答案A
解析 此处应为动词的分词形式，与on后的内容一起修饰companies。动词词库中只有working和specializing为分词形式，work on表示“从事于，致力于”，specialize通常跟in连用，故选working。
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