2. 外语
  3. Sixty adults were asked to keep a diary of their meals, including what they consumed, when, and in the company of how many peopl

Sixty adults were asked to keep a diary of their meals, including what they consumed, when, and in the company of how many peopl

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问题 Sixty adults were asked to keep a diary of their meals, including what they consumed, when, and in the company of how many people. It was found that at meals with which they drank alcoholic beverages, they consumed about 175 calories more from nonalcoholic sources than they did at meals with which they did not drink alcoholic beverages. Each of the following, if true, contributes to an explanation of the difference in caloric intake EXCEPT:
选项 A、Diners spent a much longer time at meals served with alcohol than they did at those served without alcohol.
B、The meals eaten later in the day tended to be larger than those eaten earlier in the day, and later meals were more likely to include alcohol.
C、People eat more when there are more people present at the meal, and more people tended to be present at meals served with alcohol than at meals served without alcohol.
D、The meals that were most carefully prepared and most attractively served tended to be those at which alcoholic beverages were consumed.
E、At meals that included alcohol, relatively more of the total calories consumed came from carbohydrates and relatively fewer of them came from fats and proteins.
答案E
解析 要解释人们在吃有酒的饭菜时从非酒精类食物中摄入的热量较多，就要从有利于人们在这些饭莱中吃较多的非酒精类食物的因素着手。我们知道有酒的饭菜与无酒的饭莱相比一般制作精心，也较丰盛，出席的人也较多，因此人们倾向于吃得时间长且吃得多。所以(A)、(B)、(C)和(D)都能有助于解释文中所提及的热量的摄入量的不同；(E)说明了在有酒的饭菜中人们倾向于喝更多的酒而不是吃更多的其他食物，所以不能解释人们在有酒的饭菜中从非酒精类食物中摄入的热量较多，因此(E)为正确答案。
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