Ⅱ.阅读理解【科普知识类】

　　If you ’ re concerned about gaining weight over the upcoming holiday season,consider eating more slowly and you might consume less,a study suggests.Diet experts have been promoting this advice for years,and now nutrition scientists at the University of Rhode Island have some new data to back it up.

　　They had 30 normal-weight,college-age women come into a laboratory for lunch on two separate occasions.Each time,the women were offered a huge plate full of delicious food,plus a glass of water.They were asked to eat until the point of comfortable fullness.On one occasion,they were instructed to eat as quickly as they could; on the other occasion they ate slowly and put down their spoons between bites.

　　They did not know the food and water were weighed before and after the meal to determine the amount consumed.Findings were: When eating quickly,the women consumed 646 calories in about nine minutes.When eating more slowly,they had an average of 579 calories in about 29 minutes.

　　揟hey ate 67 calories more in nine minutes than they did in 29 minutes,?says lead researcher Kathleen Melans.?If you add that up over three meals a day,that抯 a big difference in calories.?ne m

　　揢pon completion of the meal and an hour afterward,the women were less satisfied and hungrier when eating quickly compared with when they ate slowly,?she says. b

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