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  3. Bad eating habits, increased food availability, increasingly sedentary lifestyle and reduced physical activity are the first fou

Bad eating habits, increased food availability, increasingly sedentary lifestyle and reduced physical activity are the first fou

admin2009-08-19  47
问题 Bad eating habits, increased food availability, increasingly sedentary lifestyle and reduced physical activity are the first four causes of the obesity epidemic.
An increasing percentage of the old population may partly increase ______.
选项
答案prevalence of obesity
解析 本题涉及到老年人口与肥胖人口的关系，从而将题目出处定位到A Little Older...部分。该部分第二段总结得出，随着老龄人口的增加，肥胖的趋势也在加大。
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大学英语六级

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