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  3. Going hungry is a major contributor to ill health, particularly among children, and a new report reveals how long-lasting the da

Going hungry is a major contributor to ill health, particularly among children, and a new report reveals how long-lasting the da

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问题     Going hungry is a major contributor to ill health, particularly among children, and a new report reveals how long-lasting the damage can be.
    Researchers at the National Cancer Institute (NCI) and the University of Calgary performed the first longterm study on the【C1】________of hunger on general health,【C2】________ children from birth to 21 years. Most studies to date have【C3】________only snapshots of childhood health,【C4】________ the short-term impact of hunger【C5】________a period of time.
    In the new analysis, the scientists found that children who went hungry at least once in their lives were 2 1/2-times more likely to have【C6】________overall health 10 to 15 years later, compared with those who never had to【C7】________food. "Our research shows that hunger and food insecurity are really damaging【C8】________children’s life chances," says lead author Sharon Kirkpatrick, a visiting fellow at NCI.
    The study supports earlier findings that【C9】________ episodes of hunger are more likely to cause ill health than an isolated experience of starvation: children in Kirkpatrick’s analysis who experienced two or more periods of hunger were more than four times as likely to report ill health than those who never went hungry. The relationship, she says, remained strong even after the team accounted【C10】________other factors that could influence health, such as age, sex and household characteristics like income.
    【C11】________one experience of hunger can have lasting effects on a child’s health, a fact that is especially troubling in light of the sobering rise in U.S. households that were【C12】________to do without food in 2008: 15％ of American families reported some【C13】________in the amount or quality of food they consumed,【C14】________from 11％ the previous year.
    【C15】________this study did not probe into the【C16】________ mechanism by which hunger affects long-term health, Kirkpatrick【C17】________that both psychological and physiological factors may be at work. Aside from the obvious negative impact that massing key nutrients and calories can have on growth and development, she says, the psychological【C18】________of food insecurity—not being able to afford a【C19】________and high-quality source of food—can be【C20】________to youngsters as well.
【C7】
选项 A、fight for
B、go without
C、live on
D、deal with
答案B
解析 本句是对两种人进行了比较，一种是那些生活中至少挨过一次饿的，那么另一种应该是没有挨过饿的。故选B项go without“没有”。A项fight for“为……而战”，从不为食物而战，与上句不构成比较。C项live on“以……为生”。常指以什么技能来维持生活，语境不正确。D项deal with“处理”，deal with food“处理食物”，与上半句也不构成对比。
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