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【C3】________to something in the environment," says social epidemiologist Thomas Glass of The Johns Hopkins Bloomberg School of Public Health. That something could be a【C4】________of the green.
    The new research,【C5】________in the American Journal of Preventive Medicine, isn’t the first to associate greenery with better health, but it does get us closer【C6】________identifying what works and why. At its most straightforward, a green neighborhood【C7】________means more places for kids to play—which is【C8】________since time spent outdoors is one of the strongest correlates of children’s activity levels. But green space is good for the mind【C9】________: research by environmental psychologists has shown that it has cognitive【C10】________for children with attention-deficit disorder. In one study, just reading【C11】________in a green setting improved kids’ symptoms.
    【C12】________to grassy areas has also been linked to【C13】________stress and a lower body mass index among adults. And an【C14】________of 3,000 Tokyo residents associated walkable green spaces with greater long life among senior citizens.
    Glass cautions that most studies don’t【C15】________prove a causal link between greenness and health, but they’re nonetheless helping spur action. In September the U.S. House of Representatives【C16】________the delightfully named No Child Left Inside Act to encourage public initiatives【C17】________exposing kids to the outdoors.
    Finding green space is not【C18】________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,【C19】________what’s there. Your children in particular will love it—and their bodies and minds will be【C20】________to you.
【C8】

选项 A、fatal
B、vital
C、subtle
D、casual

答案B

解析 形容词辨析题。空格位于定语从句中,which指代破折号前的整个句子“绿色社区就是指能提供更多空间给孩子玩耍的地方”。空格后面说,因为待在户外活动的时间与孩子的活动水平关系最为密切。因此,孩子们有更多的场所玩耍很“重要”。B项vital“重要的”正确。由空格后since引导的原因状语从句可以看出,孩子们有更多的场所玩耍很“重要”,A项fatal“致命的”带有消极含义,可首先排除。C项subtle“微妙的”和D项casual“临时的”不宜用来形容which所指代的“绿色社区就是指能提供更多空间给孩子玩耍的地方”。
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