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  3. Apples have been as not only a delicious fruit, but also as an effective way

Apples have been as not only a delicious fruit, but also as an effective way

游客2023-08-17  27
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 [br] 【C5】
选项
答案 K
解析 空格前为主语，之后为宾语older mice，所以空格处应填入动词作谓语。同时注意，该句应使用过去式。该句句意为：一项发表于《阿尔茨海默症期刊》的课题研究了一组年老的老鼠在食物摄取量不足的条件下的行为。故此空应选择K)involved．
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