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  3. In recent years, a growing body of research has shown that our appetite and food intake are influenced by a large number of fact

In recent years, a growing body of research has shown that our appetite and food intake are influenced by a large number of fact

admin2019-03-20  38
问题     In recent years, a growing body of research has shown that our appetite and food intake are influenced by a large number of factors besides our biological need for energy, including our eating environment and our perception of the food in front of us.
    Studies have shown, for instance, that eating in front of the TV(or a similar distraction)can increase both hunger and the amount of food consumed. Even simple visual cues, like plate size and lighting, have been shown to affect portion size and consumption.
    A new study suggested that our short-term memory also may play a role in appetite. Several hours after a meal, people’s hunger levels were predicted not by how much they’d eaten but rather by how much food they’d seen in front of them—in other words, how much they remembered eating.
    This disparity(差异)suggests the memory of our previous meal may have a bigger influence on our appetite than the actual size of the meal, says Jeffrey M. Brunstrom, a professor of experimental psychology at the University of Bristol.
    "Hunger isn’t controlled solely by the physical characteristics of a recent meal. We have identified an independent role for memory for that meal," Brunstrom says. "This shows that the relationship between hunger and food intake is more complex than we thought."
    These findings echo earlier research that suggests our perception of food can sometimes trick our body’s response to the food itself. In a 2011 study, for instance)people who drank the same 380-calorie(卡路里)milkshake on two separate occasions produced different levels of hunger-related hormones(荷尔蒙), depending on whether the shake’s label said it contained 620 or 140 calories. Moreover, the participants reported feeling more full when they thought they’d consumed a higher-calorie shake.
    What docs this mean for our eating habits? Although it hardly seems practical to trick ourselves into eating less, the new findings do highlight the benefits of focusing on our food and avoiding TV and multitasking while eating.
    The so-called mindful-eating strategies can fight distractions and help us control our appetite, Brunstrom says.
What would happen at meal time if you remembered eating a lot in the previous meal?
选项 A、You would probably be more picky about food.
B、You would not feel like eating the same food.
C、You would have a good appetite.
D、You would not feel so hungry.
答案D
解析 推理判断题。定位句指出，饭后几小时，决定人们饥饿程度的不是他们已食用的食物量，而是他们吃饭时面前所见到的食物量，也就是说，影响人们饥饿程度的是他们记忆中的食物量而不是胃里的食物量。由此可推断，记忆对饮食造成影响，如果记忆中上顿饭吃了很多，那么不管是不是真的吃了很多，都不会感觉太饿，故答案为D)。
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