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Burn Calories in Your Sleep?
The weight-loss world is full of assertions（斷言）, rarely proved, that some pill can help you “burn calories while you sleep.” But a recent Dutch study reports that it can be done – simply by eating more lean protein（無脂肪蛋白質）.
Researchers report for the first time that consuming nearly a third of daily calories as lean protein – for example, lean meats without the skin – speeds up a person’s metabolism（新陳代謝） during sleep and that higher protein intake increases the burning of calories and fat during the day. Plus, when the study’s participants, who were all women of healthy weight, ate more protein, they felt fuller, more satisfied and less hungry than when they consumed a diet with the amount of protein, about 10 percent of calories.
The findings suggest that adding lean protein to your daily food “enables you to reach the same level of satiety（過飽）that you are used to with about 80 percent of your normal energy intake,” notes Margriet Westerterp-Plantenga. “That means you can eat about 20 percent less and still have the same satiety.”
What gives protein its caloric edge? It’s more difficult for the body to metabolize protein than either fat or carbohydrates（糖類）. The body also doesn’t store protein as efficiently as it does carbohydrates or fat. So protein is more likely to be burned and that in turn requires more oxygen and helps you feel satisfied in the hours after eating.
But the latest findings don’t mean it’s time to dust off those high-protein diet books. The current study limited fat to about 30 percent of daily calories, and included 40 percent of calories as healthy carbohydrates, including fruit and vegetables. For example, lunch included bread, soy milk, fruit yogurt, tuna in water, tomatoes, cucumbers, feta cheese and salad dressing.
54. According the first paragraph, we know that ______.
A. there’re few studies on weight-loss in the world
B. many studies on weight-loss only cheat customers
C. only few studies are useful for weight-loss
D. there’re few studies about lean protein
55. According to the passage, lean protein can help burn calories while you sleep because ______.
A.it can slow down a person’s metabolism   
B. it’s difficult for the body to metabolize
C.it will not make you feel full  
D. it’s easy to be stored in the body
56. The underlined phrase “dust off” in the last paragraph means ______.
A. get rid of                   B. put away     
C. get ready to rewrite          D. get ready to reuse
57. The passage is mainly to tell readers ______.
A. there is a good diet for weight-losers
B. you can burn your calories in your sleep
C. high-protein diet books will be popular
D. choosing right food is of great use


54---57   CBDB

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______________________________

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It is a fact that you’ll feel hungry all the day if you have breakfast．

______________________________

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5．Translate the underlined sentence in the first paragraph into Chinese．

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D．Jonathan Horton has a blood sugar problem because of taking too much honey.
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【小題1】Not enough sleep can cause obesity by ______.

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【小題2】Which would be a point supported by the reported findings?
The more you sleep, the farther away you are from obesity.
Those who don’t sleep at all are the most likely to put on weight.
Sleeping contributes more to obesity than eating.
It’s not wise to use sleep hours for exercise.
【小題3】When you sleep 7.7 hours a night, you will ______ .
have your ghrelin level rise and leptin level drop
have your leptin level rise and ghrelin level drop
have your ghretin and leptin levels properly balanced
have your hunger increase and your weight decrease
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A．make a news report
B．offer a piece of medical advice
C．make an advertisement
D．keep a record of the old findings
【小題5】You can read the findings________.
A．Only on the Internet
B．only in Medicine
C．Both on the Internet and in Medicine
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