2. 考研
  3. MySpace and other Web sites have unleashed a potent new phenomenon of social networking in cyberspace ,【B1】______at the same tim

MySpace and other Web sites have unleashed a potent new phenomenon of social networking in cyberspace ,【B1】______at the same tim

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问题     MySpace and other Web sites have unleashed a potent new phenomenon of social networking in cyberspace ,【B1】______at the same time, a growing body of evidence is suggesting that traditional social【B2】______play a surprisingly powerful and under-recognized role in influencing how people behave.
    The latest research comes from Dr. Nicholas A. Christakis, at the Harvard Medical School, and Dr. James H. Fowler, at the University of California at San Diego. The【B3】______reported last summer that obesity appeared to【B4】______from one person to another【B5】______social networks, almost like a virus or a fad. In a follow-up to that provocative research, the team has produced【B6】______findings about another major health【B7】______; smoking. In a study published last week in the New England Journal of Medicine, the team found that a person’s decision to【B8】______the habit is strongly affected by【B9】______other people in their social network quit — even people they do not know. And, surprisingly, entire networks of smokers appear to quit virtually【B10】______
    For【B11】______of their studies, they【B12】______of detailed records kept between 1971 and 2003 about 5,124 people who participated in the landmark Framingham Heart Study. Because many of the subjects had ties to the Boston suburb of Framingham, many of the participants were【B13】______somehow—through spouses, neighbors, friends, co-workers—enabling the researchers to study a network that【B14】______12,067 people.
    Taken together, these studies are【B15】______a growing recognition that many behaviors are【B16】______by social networks in【B17】______that have not been fully understood. And【B18】______may be possible, the researchers say, to harness the power of these networks for many【B19】______, such as encouraging safe sex, getting more people to exercise or even【B20】______crime.
【B14】
选项 A、totaled
B、increased
C、summed
D、added
答案A
解析 本题要求考生根据上下文选择符合原文含义的动词。通过分析that引导的从句可以看出，定语从句的主语就是that，代替了先行词a network(交际圈)，单独考虑从句，其意思是“交际圈……12067人”。解该题的关键是判断适当的动词，完成这个句子的搭配。据此判断，选项[A]totaled表示summed up to，后面加数字信息，因此选项[A]符合语境。
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