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  3. Healthy Social Networking Sites Benefit Kids The other day I asked somewhat tongue-in-cheek (幽默讽刺的) whether Tom Friedman had

Healthy Social Networking Sites Benefit Kids The other day I asked somewhat tongue-in-cheek (幽默讽刺的) whether Tom Friedman had

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问题                 Healthy Social Networking Sites Benefit Kids
    The other day I asked somewhat tongue-in-cheek (幽默讽刺的) whether Tom Friedman had ever visited Silicon Valley. Today, I’m wondering if Lady Greenfield has ever used a social networking site.
    She warned that social networking sites are devoid (缺乏) of cohesive (有凝聚性 的) narrative and long-term significance. As a consequence, the mid-21st century mind might almost be characterized by short attention spans, sensationalism, inability to sympathize and a shaky sense of identity.
    I’m not a psychologist, nor am I a parent, so let me start by saying she might be right that these sites are harmful in some cognitive way. But I think she’s wrong to assume social networking is devoid of cohesive narrative and long-term significance. I can see where she’s coming from, but like a lot of people who don’t actually use these sites, she’s missing a fundamental shift from Web 1. 0 chat room days to Web 2. 0 social net-works: Real identity.
    We no longer go to the Internet to interact with some shadowy user name where we pretend to be someone we’re not. Ok, maybe people on Second Life do. But sites like Facebook and Twitter are more about extending your real identity and relationships online. That’s what makes them so addictive: The little endorphin (兴奋) rushes from reconnecting with an old friend, the ability to passively stay in touch with people you care about but don’t have the time to call everyday.
    Facebook makes me a more considerate friend because I now remember people’s birthdays. Via Twitter, my parents and inlaws know everything happening in my life so that when I call home, we have substantive conversations. In dozens of cases, these sites have actually given me a longer narrative.
    Greenfield may well have a point when she argues that the young brain can’t handle overstimulation of fast action and reaction. But isn’t that the same argument we’ve been making about all technology and entertainment for decades now? Everything has a trade off, and I’d argue the benefits in communications, education and collaboration of the Web are far more than the negatives, and indeed give us greater benefits than we get from TV or Guitar Hero.
    As more of our social graphs move online, via Twitter or Facebook, the more the same social pressures of the real world come to bear. Compare anonymous You-Tube comments with Twitter comments. Generally, Twitter is more kind and substantive, especially among users who Twitter under their real names. Now compare that to comments on Facebook, almost all of the comments on someone’s photo, video, status are supportive and empathetic, because the site has imitated real world relationships and with that real world pressures.
What is the main topic of the passage?
选项 A、Why are social networks good for kids?
B、The benefits and negatives of social networking sites.
C、Social networks are harmful in cognitive way for kids.
D、Keeping real identity or pretending to be someone else online?
答案A
解析 主旨大意题。从上下文看，文章一直在为这些社会交友网站辟谣，认为它们对孩子的成长是利大于弊的。故A“为什么社会交友网对孩子有利?”符合原文主旨。B“社会交友网站的利和弊”，不是文章主要的内容，文章强调利大于弊。故排除；C“社会交友网站对孩子的认知的形成有负面影响”，这是格林菲尔的观点，并非文章主要观点；D“在网上是应该保持真实身份还是应该匿名?”这个也不是文章讨论的中心所在。
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