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  3. Mark Ramirez, a senior executive at AOL, could work in the most comfortable leather chair, if he wanted. No, thanks. He prefers

Mark Ramirez, a senior executive at AOL, could work in the most comfortable leather chair, if he wanted. No, thanks. He prefers

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问题     Mark Ramirez, a senior executive at AOL, could work in the most comfortable leather chair, if he wanted. No, thanks. He prefers to stand most of the day at a desk raised above stomach level. " I’ve got my knees bent: I feel totally alive," he said. "It feels more natural to stand. "
    In the past few years, standing has become the new sitting for 10 percent of AOL employees at the firm’s Virginia campus, part of a standing ovation(热烈欢迎)among accountants, programmers, telemarketers and other office workers across the nation.
    GeekDesk, a California firm that sells $800 desks raised by electric motors, says sales will double this year.
    Standers give various reasons for taking to their feet: It makes them feel more focused, prevents doze, and makes them feel like a general even if they just push paper. Former defense secretary Donald Rumsfeld works standing up. So does novelist Philip Roth.
    But unknown to them, a debate is spreading among some experts and public-health researchers about whether all office workers should be encouraged to stand—to save lives.
    Doctors point to surprising new research showing higher rates of obesity, heart disease and even death among people who sit for long stretches. A study earlier this year in the American Journal of Epidemiology showed that among 123,000 adults followed over 14 years, those who sat more than six hours a day were at least 18 percent more likely to die during the time period studied than those who sat less than three hours a day.
    "Every rock we turn over when it comes to sitting is stunning," said Marc Hamilton, a leading researcher on inactivity physiology at the Pennington Biomedical Research Center in Louisiana. " Sitting is hazardous. It’s dangerous. We are on the tip of a major revolution. " He calls sitting "the new smoking".
    Not so fast, other experts say. Standing too much at work will cause more long-term back injuries. Incidences of varicose veins(静脉曲张)among women will increase. The heart will have to pump more.
    Hedge, the Cornell professor, isn’t a fan of all this standing. "Making people stand all day is dumb," he said.
    The sensible and most cost-effective strategy, he said, is to sit in a neutral posture, slightly leaned, with the keyboard on a tray above the lap. This position promotes positive blood flow. Workers should occasionally walk around, stretch and avoid prolonged periods at the desk. The key, he said, is movement, not standing.
Some experts and researchers begin a discussion on standing for the purpose of______.
选项 A、public health
B、saving lives
C、competition
D、investigation
答案B
解析 事实细节题。本题考查一些专家和研究员展开有关站立辩论的目的。定位段指出，围绕着是否应该鼓励所有办公室职员都站着工作这一话题，一些专家和公共健康研究员展开了一场以拯救生命为目的的辩论。可见，这场辩论的目的就是拯救生命。B)“拯救生命”与原文相符，故为本题答案。A)“公众健康”、C)“竞争”和D)“调查”都不是辩论的目的，故排除。
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