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  3. Including a few bites of meat in the diets of poor children from developing countries improves both their health and their perfo

Including a few bites of meat in the diets of poor children from developing countries improves both their health and their perfo

admin2015-06-27  3
问题     Including a few bites of meat in the diets of poor children from developing countries improves both their health and their performance in mental tests, according to reports presented at this year’s annual meeting of the American Association for the Advancement of Science.
    In one study from rural Kenya,【C1】______found that children who ate【C2】______ounces of meat every day, along with their lunch of corn and beans,【C3】______better in problem-solving tests【C4】______children given supplements of milk or vegetable oil. This small【C5】______of meat gave children all their daily needs【C6】______vitamin B12, 68 percent of all they needed of zinc, and 26 percent of their daily iron【C7】______, the researchers noted.
    Dr. Howarth Bouis of the International Food Policy Research Institute in Washington D. C, told Reuters Health that research【C8】______children who don’t get enough iron, zinc and other【C9】______have a weakened immune system,【C10】______growth and cognitive impairments. And when entire generations of children aren’t getting enough nutrients,【C11】______can have implications nationwide, Bouis added.【C12】______, the World Bank estimates that micronutrient deficiencies【C13】______South Asia 5 percent of its GDP each year, he said. "When you can’t work【C14】______hard, you can’t think as well. It【C15】______from economic development, " Bouis said.
    He added that children in【C16】______countries don’t get enough nutrients【C17】______they can’t afford them, so it’s up to the government to【C18】______. For instance, the government could【C19】______programs that increase production of nutrient-rich foods, which【C20】______down the price, Bouis suggested.
【C3】
选项 A、performed
B、behaved
C、worked
D、studied
答案A
解析 空格处所在的句子描述一个事实，即每餐合理吃肉的孩子在解决问题的测试中表现更加出色。分析四个选项：[A]performed“做，执行，表现”，指根据需要而采取行动，完成所保证的事情。解决问题的测试正是需要我们根据问题来想办法采取措施解决这些问题。因此[A]performed放在此处最为恰当，为答案。[B]behaved“行为，表现举止”，表示以一种适宜的方式行动，行为得体；[C]worked“工作，劳动”以及[D]studied“学习”放在此处都不合适，因此都可以排除。
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