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  3. A new study found that inner-city kids living in neighborhoods with more green space gained about 13％ less weight over a two-yea

A new study found that inner-city kids living in neighborhoods with more green space gained about 13％ less weight over a two-yea

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问题     A new study found that inner-city kids living in neighborhoods with more green space gained about 13％ less weight over a two-year period than kids living amid more concrete and fewer trees. Such【C1】________ tell a powerful story. The obesity epidemic began in the 1980s, and many people【C2】________it to increased portion sizes and inactivity, but that can’t be everything. Fast foods and TVs have been with us for a long time. "Most experts agree that the changes were related to something in the environment, " says social epidemiologist Thomas Glass of The Johns Hopkins Bloomberg School of Public Health. That something could be a【C3】________of the green.
    The new research,【C4】________in the American Journal of Preventive Medicine, isn’t the first to associate greenery with better health, but it does get us closer to identifying what works and why. At its most straightforward, a green neighborhood simply means more places for kids to play—which is【C5】________since time spent outdoors is one of the strongest correlates of children’s activity levels. But green space is good for the mind too: research by environmental psychologists has shown that it has cognitive benefit for children with attention deficit disorder. In one study, just reading outside in a green setting improved kids’ symptoms.
    Exposure to grassy areas has also been linked to less stress and a lower body mass index (体重指数) among adults. And a(n)【C6】________of 3000 Tokyo residents associated walkable green spaces with greater longevity (长寿) among senior citizens.
    Glass cautions that most studies don’t【C7】________prove a causal link between greenness and health, but they’re nonetheless helping spur action. In September the US House of Representatives【C8】________the delightfully named No Child Left Inside Act to encourage public initiatives aimed at exposing kids to the outdoors.
    Finding green space is not always easy, and you may have to work a bit to get your family a little grass and trees. If you live in a suburb or a city with good parks, take【C9】________of what’s there. Your children in particular will love it—and their bodies and minds will be【C10】________to you.
    A) advantage   F) circulated   K) hypotheses
    B) allocate    G) curiously    L) necessarily
    C) analysis    H) fatal        M) published
    D) approved    I) findings     N) shrinking
    E) attribute   J) grateful     O) vital
【C7】
选项
答案L
解析 副词辨析题。空格位于助动词和实义动词之间，因此应填入一个副词。该处意为：格雷斯提醒说，大多数研究________证明绿色环境与健康之间的因果联系。not necessarily是固定用法，意为“未必，不一定”，故L项necessarily为答案。
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