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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

admin2012-06-10  54
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.
【C12】
选项 A、Such as
B、For instance
C、As a result
D、In the end
答案B
解析 空格处所在的句子给出了世界银行估算出的营养元素缺乏对南亚国家国内生产总值造成影响的数据。而上一句说如果一代孩子都得不到足够的营养，那么整个国家都将受到严重的影响。分析逻辑关系可知，空格处所在句是进一步用实例来证明前面所提出的观点。[A]Such as“例如．像这种的”表示举例。但是不放在句首．也不能用逗号隔开；[C]As a result“结果是”以及[D]In the end“最后，终于”，放在此处的逻辑关系不对，故排除；[B]For instance“例如”可放在句首，并且要用逗号隔开，符合题意。
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