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  3. Ever heard the one about the doctor who gave his patient six months to live? When the man couldn’t pay his bill, the doctor gave

Ever heard the one about the doctor who gave his patient six months to live? When the man couldn’t pay his bill, the doctor gave

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问题     Ever heard the one about the doctor who gave his patient six months to live? When the man couldn’t pay his bill, the doctor gave him another six months.
    Go ahead, laugh. It’s strong medicine, researchers are learning. Even the physical act is good for you, says William Fry, pioneer in laughter research. It increases blood flow and contracts abdominal (腹部 的) muscles. A hundred loud and deep laughs is equivalent to a very active exercise of ten minutes on a rowing machine, according to Frv.
    But the benefits go beyond an exercise. The most astonishing evidence of laughter’s power comes from a 1997 study of 48 heart-attack patients. Half of them watched funny shows for 30 minutes even-day: the rest served as controls. After a year, ten patients in the control group had suffered repeat heart attacks, compared with only two in the group that watched the shows.
    Can a good laugh help patients get well? In a landmark experiment at the University of California at Los Angeles, called Rx Laughter, scientists plan to test the effect of laughter in children with serious illnesses, including cancer. Early results suggest that humorous videos help kids handle uncomfortable or painful procedures.
    Justin Black, 13 years old, already knows that. He was in considerable pain when he woke up from surgery — until Bill Marx, a volunteer (志愿者) for Rx Laughter, appeared at his bedside. Marx told jokes, made faces and pranced (欣喜地跳跃) around the hospital room. "Having something to laugh at took my mind off the pain," says Justin. "When you’re laughing, you can’t help but feel better."
Why did the scientists at the University of California make the experiment?
选项 A、To help children in hospital recover from their illness.
B、To look for the evidence of laughter’s power in women patients.
C、To test the effect of laughter on children who were seriously ill.
D、To see whether laughter could replace some active exercises.
答案C
解析 本题为细节题。本题的问题是“为什么加利福尼亚大学的科学家要做那项试验?”选项A表明“为帮助医院的生病儿童痊愈”；选项B意为“在女性病人中发现大笑可以治病的证据”；选项D表明“要看看大笑是否可以替代积极的锻炼。上述三个选项的内容在文章中都没有提及。选项C则表明“要检测大笑对患有重病儿童的效果。”从文章第四段第二句可知该试验计划检测大笑对于患有严重疾病的孩子们的效果。因此，选项C为正确答案。
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