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People eat more when they are glued to the television, and the more entertaining the program is, the more they eat, according to a new research.

It seems that distracted( 分心的 )brains do not notice what the mouth is doing, said Dr. Alan Hirsch, neurological director of the Smell and Taste Treatment and Research Foundation in Chicago.

Hirsch explored the impact of smell, taste and eating behaviors while watching TV by measuring potato chip consumption. Forty-five volunteers ate as many chips as they wanted every six minutes while they watched monologues by late-night talk show hosts David Letterman and Jay Leno. They were still given chips to eat when the television was off. Hirsch found people ate an average of 44 percent more chips while watching Letterman and 42 percent more while viewing Leno, than when they did not watch TV.

If you concentrate on how the food tastes, you'll eat less because you'll feel full faster, "Hirsch said in an interview at the Endocrine Society's annual meeting in Toronto. So if that's the case, let's look at the opposite. What if you're distracted? If you're distracted, in theory, then you'd eat more."

Through his research at the foundation, Hirsch has helped people overcome the loss of sense of smell and sense of taste. which typically results in weight gain because the brain does not know when it should stop eating.

The ventromedial nucleus( 腹内侧核 )in the hypothalamus( 下 丘脑 ) where the so-called satiety( 饱腹感 )center is located. tells the body whether it is hungry or full. It is inhibited or tricked, the result can be changes in eating patterns, he said.

People who cook spaghetti all day don't feel like eating spaghetti at the end of the day, "said Hirsch," By being exposed to a smell all day long it's tricking the hypothalamus."

Volunteers were asked to concentrate on the sensory characteristics of the food such as taste and smell. Researchers say these sensory clues, in addition to inner body changes. mark satiety.

But when distracted. a person does not pay attention to either the body's sensations of feeling full, or to the sensory characteristics of the food.

Many studies have linked being fat to watching television and that link is likely due to inactivity, Hirsch said. But perhaps entertaining shows are also contributing.

"If you want to lose weight, turn off the television or watch something boring," he said.

1 When Hirsch conducted the research, he______

A evaluated the degree of the volunteers' loss of taste.

B measured the amount of the chips the volunteers ate.

C analyzed the volunteers' preference on TV programs.

D counted the minutes the volunteers spent on TV programs.

2 According to the research, when will you feel full faster?.

A When we are distracted.

B When we focus on how the food tastes.

C When we are watching entertaining programs.

D When the brain doesn't know when it should stop eating.

3 Why does the author mention "People who cooks paghetti all day don't feel like eating it at the end of the day"?

A It tells us that eating spaghetti is inhabited.

B It indicates that spaghetti doesn't taste good at the end of the day.

C It tells us that people who cook spaghetti don' like eating spaghetti.

D It shows that smell is "telling" the hypothalamus that the body is full.

4 What is the main purpose of the article?

A To prove that being fat is linked to inactivity.

B To reveal the relationship between TV programs and eating behaviors.

C to explain why watching television makes people eat more and gain weight.

D To find how sensory characteristics of the food affects people's feelings of eating.

【收录时间】 2021-04-28
【知识点】 科普知识与现代技术
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1 B

2 B

3 D

4 C

【分析】

这是一篇说明文。文章主要解释了看电视会让人吃得更多,体重增加及其产生的原因。

1 .细节理解题。根据第三段 “Hirsch explored the impact of smell, taste and eating behaviors while watching TV by measuring potato chip consumption. (赫希博士通过测量薯片的摄入量,研究了看电视对嗅觉、味觉和饮食行为的影响。) 可知,当赫希进行这项研究时,他测量了志愿者吃薯片的量。故选 B 项。

2 .细节理解题。根据第四段 “If you concentrate on how the food tastes, you'll eat less because you'll feel full faster (如果你把注意力集中在食物的味道上,你会吃得更少,因为你会更快地感到吃饱。) 可知,当我们把注意集中在食物的味道上时,我们会更容易感到吃饱。故选 B 项。

3 .细节理解题。结合第六段 “The ventromedial nucleus( 腹内侧核 )in the hypothalamus( 下丘脑 ), where the so-called satiety( 饱腹感 )center is located, tells the body whether it is hungry or full. (下丘脑腹内侧核,也就是所谓的饱腹中枢所在的位置,会告诉身体它是饿了还是饱了。) 和第七段 “People who cook spaghetti all day don't feel like eating spaghetti at the end of the day, "said Hirsch," By being exposed to a smell all day long it's tricking the hypothalamus.” (赫希说: 那些整天做意大利面的人在一天结束后就不想再吃意大利面了,整天暴露在一种气味中会欺骗下丘脑。 可知,整天做意大利面的人在一天结束后就不想再吃意大利面,是因为气味 告诉 下丘脑,身体已经吃饱了。故选 D 项。

4 .推理判断题。根据第一段 “People eat more when they are glued to the television, and the more entertaining the program is, the more they eat, according to a new research. (一项最新研究表明,人们在全神贯注看电视时吃得更多,而且节目越有趣,吃得越多。) 和下文内容可知,文章主要解释看电视会让人吃得更多,体重增加及其产生的原因。故选 C 项。

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2021-04-28 阅读理解 中等 李卓
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