2. 外语
  3. Apples have been as not only a delicious fruit, but also as an effective way to improve your health. Research suggests that eati

Apples have been as not only a delicious fruit, but also as an effective way to improve your health. Research suggests that eati

admin2016-10-18  39
问题     Apples have been as not only a delicious fruit, but also as an effective way to improve your health. Research suggests that eating apples can【C1】______your heart, your teeth, and your energy level. Eating a higher amount of fruits and vegetables in general has also been【C2】______with a lower risk for【C3】______diseases including coronary heart disease(冠心病), asthma(哮喘), diabetes, cancer and perhaps even Alzheimer’s disease(阿尔茨海默症).
    So, is it true that apples are a super fruit? Do they impact the health and【C4】______of your brain? The research is limited, but it does show some promise.
    One study published in the Journal of Alzheimer’s Disease【C5】______older mice who were fed a deficient diet. These mice then demonstrated a(n) 【C6】______in their cognitive ability shown by poor performance in navigating a maze. However, after apple juice was added to their drinking water for a month, their memory was restored and they were able to efficiently navigate the maze again.
A second study found that the actual brain structure was affected in mice whose drinking water included apple juice. The mice’s brains were examined and found to contain a(n) 【C7】______level of beta amyloid proteinic(β淀粉状蛋白), as【C8】______to the brains of mice whose drinking water had not contained apple juice. The【C9】______and excess of this protein in the brain is one of the hallmarks of Alzheimer’s disease.
    A third study tested the immediate effects of apples and spinach(菠菜)and found no change in the cognitive functioning of the【C10】______right after eating the foods. The study did not, however, measure if a sustained diet that included apples affected cognition or risk of dementia(痴呆)over time.
A)accompanying B)accumulation C)associated D)benefit
E)chronic F)collection G)compared H)decline
I)decreased J)functioning K)involved L)members
M)opposed N)participants O)prolonged
【C1】
选项
答案D
解析 空格位于can之后，故该空格需要填入动词。根据上文，苹果不仅因其美味备受热捧，而且对健康有十分有利的影响。由此可知，多吃苹果会对心脏、牙齿、精神有益处。故此空应选择D)benefit。
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大学英语六级

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