英语六级阅读模拟练习题和答案

英语六级阅读模拟练习题和答案 　　Eat more, Play more—Weigh Less　　In the United States, 20 to 40 percent of the adult

英语六级阅读模拟练习题和答案 Eat more, Play more—Weigh Less In the United States, 20 to 40 percent of the adult population has a"weight problem. "To many people, the cause seems obvious; we eat too much. But scientific evidence does little to support this idea. Going back to the America of 1910, we find that people were leaner than today, yet they consumed more food. In those days people worked harder physically, walked more, used machines much less, didnt watch television. Several modern studies, moreover ?have shown that fatter people do not eat more on average than thinner people. In fact, some investigations, such as a1979 study of 3454 London office workers, reveal that, on balance, fat people eat less than slimmer people. Studies show that slim people are more active than fat people. Measurement of calorie intake in slim, active populations compared with moderately overweight, inactive