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12.Turning the lights out or wearing a blindfold while eating could be a quick way to lose weight,according to scientists.The simple trick works because it stops diners eating for pleasure rather than for calories.It also triggers (引发) a part of the brain that is worried that unseen food may go bad.
An experiment by the University of Konstanz,in Germany,found that people who were blindfolded consumed nine percent fewer calories before they felt full,compared to those who could see.They also vastly overestimated how much they had eaten because they could not see how much was left on the plate.Blindfolded volunteers estimated they had eaten 88percent more than they actually had.
Scientists believe that not seeing food on the table also allows the body to know when it is full in real time rather than remembering past experiences where it might have taken a full plate to feel full.
In the experiment,50 people were blindfolded and 40were allowed to see their food.All were told not to eat within two hours of the experiment.They were then given three 95g bowls of chocolate ice cream and invited to eat for 15minutes.Their bowls were taken away and the remaining ice-cream weighed,while the participants were quizzed on how much they thought they had eaten.
On average the group who could see ate 116g while the blindfolded groups ate 105g.However,the blindfolded group believed they had eaten 197g while compared with 159g for the non-blind volunteers.They were also asked how pleasant the ice-cream tasted and the blindfolded group rated lower than those who could see.
"The experienced pleasure of eating was significantly lower in the blindfolded group.Not seeing the food might have decreased the appetite.Sight plays an important role in the eating experience and in the overall dining experience."
Previous studies have shown that the visual influence of food plays a large part in the taste.While restaurants that allow diners to eat in the dark state that it triggers other senses,in fact eating in darkness is likely to taste far milder than usual.
63.With the lights out,diners eat less partly becauseD.
A.they want to quickly finish their meals
B.they trust their feelings more than ever
C.they focus more on fun than the calories
D.they worry about the quality of the food
64.We can learn from the passage that the blindfolded groupB.
A.spent a much longer time eating the same food
B.believed they ate more than they really did
C.depended on past experiences to feel full
D.thought the food tasted better than usual
65.The last two paragraphs tell us thatA.
A.diners are likely to lose their appetite eating in darkness
B.senses rather than sight play an important role in the taste
C.findings of this experiment differ from the previous studies
D.restaurants benefit a lot from allowing diners to eat in the dark
66.The main purpose of the passage is toC.
A.provide statistics related to eating in the dark
B.offer reasons for people to eat in the dark areas
C.inform the readers of the result of an experiment
D.persuade the readers to lose weight in a new way.

分析 本文属于说明文阅读,主要讲述了作者根据人们在黑暗中用餐的实验的过程,并告知读者实验结果,这个实验表明人们在黑暗中用餐时比平时吃的更少,黑暗会影响人们的食欲.

解答 63.D   细节理解题,根据第一段It also triggers (引发) a part of the brain that is worried that unseen food may go bad.可知看不见食物人们会担心食物是否变坏,因此用餐者吃得少,故选D.
64.B   细节理解题,根据第五段On average the group who could see ate 116g while the blindfolded groups ate 105g.However,the blindfolded group believed they had eaten 197g while compared with 159g for the non-blind volunteers.可知蒙眼组实际只吃了105g,但是他们认为自己吃了197g,因此说明他们认为自己所吃的比他们实际上吃的要多,故选B.
65.A   细节理解题,根据倒数第二段Not seeing the food might have decreased the appetite.可知看不见食物会影响用餐者的食欲,因此最后两段讲述了用餐者在黑暗中用餐会减少他们的食欲,故选A.
66.C  主旨大意题,通读全文可知本篇文章的主要目的是作者根据实验的过程告知读者实验结果,在黑暗中用餐会影响人们的食欲,故选C.

点评 考查学生的细节理解和推理判断能力.做细节理解题时一定要找到文章中的原句,和题干进行比较,再做出正确选择.在做推理判断题时不要以个人的主观想象代替文章的事实,要根据文章事实进行合乎逻辑的推理判断.

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