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People eat more when they are glued to the television，and the more entertaining the program，the more they eat，according to 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 effect of smell，taste and eating behaviors while watching TV by measuring the number of potato chip eaten.
Forty-five volunteers ate as many chips as they wanted while they watched programs by late-night talk show hosts David Letterman and Jay Leno.They also were 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 can 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 and taste sensation，which typically results in weight gain because the brain does not know when it should stop eating.
The ventromedial nucleus（腹內(nèi)側(cè)核） in the hypothalamus（丘腦下部），where the so-called satiety（飽足） center is located，tells the body whether it is hungry or full.If it is stopped or ticked，the result can be changed 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 taste and smell，in addition to internal body changes，signal 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 obesity 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）What does the underlined word "glued to" in Paragraph 1 mean？ DD
A．a(chǎn)way from.
B．performing in.
C．close to.
D．lost in.
（2）How did Hirsch carry out the research？ CC
A．By watching people eat.
B．By interviewing people.
C．By counting how many chips people eat.
D．By observing how people watch television.
（3）What do Hirsch's words in Para 6 mean？ BB
A．They think spaghetti unhealthy.
B．They have smelt spaghetti enough.
C．They don't like eating spaghetti.
D．Spaghetti has affected the hypothalamus.
（4）What's the main idea of this passage？ AA
A．People eat more when watching TV.
B．It is not good for our health to eat chips.
C．People enjoy eating while watching TV.
D．How people can enjoy the TV programs.
【答案】D；C；B；A
【解答】
【點(diǎn)評(píng)】
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發(fā)布：2024/5/27 14:0:0組卷：0引用：1難度：0.5
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Find out the conditions where you are likely to buy things blindly．When seeing a dress advertised at 20% off，do not concentrate on the discount，but warn yourself against falling into the trap of "saving money''．
Besides，do not forget the long-term effects of your choice when meeting a sales promotion．Short-term benefits，like excited feeling just after buying items encourage impulsive buying．But the long-term costs such as waste of money and the sense of shame really annoy you．When seeing the advertisements，remember what you really want to buy originally and warn yourself of that terrible feeling．Only in this way can you save money for really needed things．
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