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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.
【C20】
选项 A、visible
B、aggressive
C、harmful
D、significant
答案C
解析 根据上半句Aside from the obvious negative impact(除了明显的负面影响)以及not being able to afford…(无法提供……)可知，此处应填入具有贬义色彩的单词。故选C项harmful“有害的”。A项visible“看得见的”，没有表达出文中的感情色彩。B项desperate“绝望的”，因食品不安全(food insecurity)引起的心理状态而使孩子产生绝望，感情色彩过于严重。D项significant“意义重大的”为褒义词汇，与文中的意义逻辑相悖。
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