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  3. For anyone who doubts that the texting revolution is upon us, consider this: The average 12-to 17-year-old sends and receives 3,

For anyone who doubts that the texting revolution is upon us, consider this: The average 12-to 17-year-old sends and receives 3,

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问题     For anyone who doubts that the texting revolution is upon us, consider this: The average 12-to 17-year-old sends and receives 3,339 texts a month—more than 100 per day, according to the Nielsen Co., the media research firm. Adults are catching up. People from ages 45 to 54 sent and received 323 texts a month in the second quarter of 2010, up 75% from a year ago, Nielsen says.
    Behind the texting explosion is a fundamental shift in how we view our mobile devices. That they are phones is increasingly beside the point.
    Nielsen analyzed cellphone bills of 60,000 mobile subscribers and found adults made and received an average of 188 mobile phone calls a month in the 2010 period, down 25% from the same period three years earlier. Average monthly "talk minutes" fell 5% for the period compared with 2009; among 18-to 24-year-olds, the decline was 17%.
    Text messages take up less bandwidth than phone calls and cost less. A text message’s content is so condensed that it routinely fails, even more than email, to convey the writer’s tone and affect. The more we text, the greater the opportunity for misunderstanding.
    A recent survey of 2,000 college students asked about their attitudes toward phone calls and text-messaging and found the students’ predominant goal was to pass along information in as little time, with as little small talk, as possible. "What they like most about their mobile devices is that they can reach other people," says Naomi Baron, a professor of linguistics at American University in Washington, who conducted the survey. "What they like least is that other people can reach them."
    Part of what’s driving the texting surge among adults is the popularity of social media. Sites like Twitter, with postings of no more than 140 characters, are creating and reinforcing the habit of communicating in micro-bursts. And these sites also are pumping up sheer volume. Many Twitter and Facebook devotees create settings that alert them, via text message, every time a tweet or message is earmarked for them. Economics has much to do with texting’s popularity. Text messages cost carriers less than traditional mobile voice transmissions, and so they cost users less.
    Texting’s rise over conversation is changing the way we interact, social scientists and researchers say. We default to text to relay difficult information. We stare at our phone when we want to avoid eye contact. Rather than make plans in advance, we engage in what Rich Ling, a researcher for the European telecom company Telenor and a professor at IT University in Copenhagen who studies teens and technology, has named "micro-coordination"—"I’ll txt u in lOmins when I know wh/restrnt."
    Texting saves us time, but it steals from quiet reflection. "When people have a mobile device and have even the smallest increment of extra time, they will communicate with someone in their life," says Lee Rinie, American Life Project.
    Of course, the phone conversation will never be completely obsolete. Deal makers and other professional still spend much of the day on the phone. Researchers say people are more likely to use text-based communications at the preliminary stages of projects. The phone comes into play when there are multiple options to consider or binding decisions to be made.
According to the text, the limits of texting include the following facts except______.
选项 A、the possibility of misunderstanding increases
B、our interaction will be changed
C、it may cause us to meditate less
D、it fails to express sender’s manner of speaking
答案B
解析 属事实细节题。第四段第三句说“发的短信越多，造成误解的可能性就越大”，故选项A符合文意。第八段第一句讲到“发短信节约了时间，但也让我们不再思考”，与选项C意义相符。第四段第二句说“一条短信的内容是如此浓缩，因此往往不能完全传达发信人的语气和情绪”，故选项D符合文意。选项B对应文中第七段第一句，“短信的增长正改变我们交流的方式”，但这只是短信流行给人们生活方式带来的影响，而不是其局限性，故本题应选择选项B。
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