2. 外语
  3. A. accordingly B. affluent C. classified D. destruction E. disparities F. divergent G. drive H. hamper I. i

A. accordingly B. affluent C. classified D. destruction E. disparities F. divergent G. drive H. hamper I. i

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问题    A. accordingly  B. affluent    C. classified    D. destruction   E. disparities
   F. divergent   G. drive     H. hamper    I. increasingly   J. lack
   K. peers    L. prematurely   M. ranked    N. slim     O. underprivileged
   Several years into a campaign to get kids to eat better and exercise more, child obesity (肥胖)rates have appeared to stabilize, and might be poised for a reversal. But a study published Monday in the journal PNAS suggests that among adolescents, the hopeful signs are limited to those from better-educated, more 【C1】______ families. Among teens from poorer, less well-educated families, obesity has continued to rise. That class-gap was not evident in younger children. But as children neared adulthood, the class differences became 【C2】______ obvious.
   The 【C3】______ between rich and poor in obesity rates are not new, and they are only one of many health gaps that make poor patients sicker and more likely to die 【C4】______ than richer ones. But if the public health message on obesity "has not diffused evenly across the population," this gap could【C5】______efforts to stem a tidal wave of costly obesity-related diseases in the years ahead.
   Researchers from Harvard University’s Kennedy School of Government found that physical activity may account largely for the 【C6】______trend in obesity between rich and poor. If public health experts are to prevent childhood obesity and thereby 【C7】______ down future obesity among adults, they’ll have to figure out why less advantaged kids don’t get as much exercise, the authors of the latest study say. Yes, 【C8】______ of recreation centers, playgrounds, and streets and sidewalks that encourage walking, biking and playing are important, they wrote.
   But, they added, "this is not the whole story." They found that among children with parents who 【C9】______ high on the socioeconomic scale, participation in high school sports and clubs has increased. But among their 【C10】______ from families of lower educational attainment and income, such participation has declined.
【C7】
选项
答案G
解析 and连接两个并列动词短语prevent childhood obesity和…down future obesity，空格处应填入动词，且可与down搭配。根据常识可知，预防儿童肥胖可使将来成年人的肥胖率(future obesity among adults)下降，词库中的动词drive可与down搭配，drive down意为“下降”符合要求，故选G。slim也可与down搭配，slim down意为“精减(机构)，裁减(人员)；减轻体重”，代入句子句意不通，可排除。
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