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Eat More, Weigh Less, Live Longer{{/B}} Clever genetic detective work may have found out the reason why a near-starvation diet prolongs the life of many animals. Ronald Kahn at Harvard Medical School in Boston, US, and his colleagues have been able to extend the lifespan (寿命) of mice by 18 per cent by blocking the rodent’s (啮齿动物) increase of fat in specific cells. This suggests that thinness—and not necessarily diet—promotes long life in "calorie (热量卡) restricted" animals. "It’s very coal work," says aging researcher Cynthia Kenyon of the University of California, San Francisco. "These mice eat all they want, lose weight and live longer. It’s like heaven." Calorie restriction .dramatically extends the lifespan of organisms as different as worms and rodents. Whether A. offering them less food. B. giving them a balanced diet. C. disrupting the specific genes in their fat cells. D. preventing them growing larger. 更多"{{B}}第三篇{{/B}} {{B}}"的相关试题: [单项选择]一本书内有三篇文章，第一篇文章的页数分别是第二篇页数和第三篇页数的2倍和3倍，已知第三篇比第二篇少10页，则这本书共有（）。
A. 100页 B. 105页 C. 110页 D. 120页 E. 以上结果均不正确 [单项选择]{{B}}第三篇{{/B}}
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