2. 外语
  3. Some people may overeat because they’re unable to taste and【B1】______the fat in foods, new research suggests. People whose mouth

Some people may overeat because they’re unable to taste and【B1】______the fat in foods, new research suggests. People whose mouth

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问题     Some people may overeat because they’re unable to taste and【B1】______the fat in foods, new research suggests. People whose mouths are less sensitive to fatty acids require higher 【B2】______of fat to generate signals from the【B3】______that tell the brain, "I’m full." Without a fullness signal, people keep eating, explains Russell Keast, of Deakin University in Australia. "The overeating eventually leads to【B4】______."
    In a new experiment appearing in the journal, Appetite, Keast and colleagues report that people with poor fat sensitivity ate【B5】______more calories and more food at lunch after having a high-fat breakfast than those who has good fat sensitivity.
    In the new study, 24【B6】______were tested for fatty acid sensitivity. Each then ate four different breakfasts—a high-fat breakfast, high-carb breakfast, high-protein or a balanced meal— over four separate days.
    【B7】______were told not to consume any food or【B8】______(except for water up to an hour before lunch)between breakfast and lunch. For lunch, a buffet-style meal was served that included soup, salad, grapes, pastries and【B9】______. People were instructed to eat until comfortably full.
    Following the high-fat breakfasts, the 10 people with impaired fat sensitivity consumed significantly more calories and food at lunch【B10】______the other volunteers. But there were no significant differences in the amount of food consumed at lunch after the other breakfasts.
【B7】
Some people may overeat because they’re unable to taste and(26)respond to the fat in foods, new research suggests. People whose mouths are less sensitive to fatty acids require higher(27)concentrations of fat to generate signals from the(28)gut that tell the brain, "I’m full." Without a fullness signal, people keep eating, explains Russell Keast, of Deakin University in Australia. "The overeating eventually leads to(29)obesity."
    In a new experiment appearing in the journal, Appetite, Keast and colleagues report that people with poor fat sensitivity ate(30)significantly more calories and more food at lunch after having a high-fat breakfast than those who has good fat sensitivity.
    In the new study, 24(31)volunteers were tested for fatty acid sensitivity. Each then ate four different breakfasts—a high-fat breakfast, high-carb breakfast, high-protein or a balanced meal —over four separate days.
     (32)Participants were told not to consume any food or(33)beverages(except for water up to an hour before lunch)between breakfast and lunch. For lunch, a buffet-style meal was served that included soup, salad, grapes, pastries and(34)chocolate bars. People were instructed to eat until comfortably full.
    Following the high-fat breakfasts, the 10 people with impaired fat sensitivity consumed significantly more calories and food at lunch(35)compared with the other volunteers. But there were no significant differences in the amount of food consumed at lunch after the other breakfasts.
选项
答案Participants
解析 从上下文可知这里讲的是实验对象被告知不能吃任何食物，或是饮料(除了水)。participants的意思是“参加者，参与者”，因为参加的不止一个人，因此要填复数形式。
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