Dieters' who eat meals high in protein might lose a bit more weight than those who get less protein and more carbohydrates (碳水化合物)一all other things being equal, a new analysis of past studies suggests. Researchers found that over an average of 12 weeks, people having a high一protein diet lost about 1.8 extra pounds, and more body fat, than those having a standard-protein diet.
Wycherley from the University of South" Australia in Adelaide, the lead author on the study says it’s possible that the body may spend more energy and bum more calories while dealing with protein, compared to carbohydrates. Another explanation for the link his team observed is that eating protein helps preserve muscle mass and muscle mass bums more calories, even when the body is resting, than other types of mass. He says people in the studies tend to get protein from a variety of animal and vegetable sources. Vegetable sources of protein include beans.
It is not obvious why a higher protein-to-carbohydrate ratio might help people lose more pounds——and one obesity researcher not involved in the new analysis questioned whether the trials were strong enough to make that conclusion. “The studies are generally far too short to tell effect,” Dr. James Levine from the Mayo Clinic in Scottsdale, Arizona, told Reuters Health in an e-mail. But given the limitations of the present evidence, Levine said, “It makes no real difference which of the weight-loss ways one chooses.”
1.According to Wycherley’s analysis, dieters should take in more ______.
A. fat B. carbohydrates C. protein D. calories
2.What can we learn from the studies?
A. It bums more calories to deal with carbohydrates.
B. Protein helps keep muscle mass which bums calories.
C. Vegetables contain more protein than animals.
D. No more calories are burned while the body is resting.
3.What is Levine’s attitude towards the conclusion of the studies?
A. Doubtful. B. Supportive. C. Curious. D. Agreeable.
1.C
2.B
3.A
【解析】
試題分析：文章講述了咖啡這種飲品的發現，傳播的經過。同時也講述了咖啡這種飲品的功能。
1.C細節理解題。Wycherley from the University of South" Australia in Adelaide, the lead author on the study says it’s possible that the body may spend more energy and bum more calories while dealing with protein, compared to carbohydrates.句意為：相比較碳水化合物來說，在處理蛋白質的過程中，身體會消耗更多的能量和卡路里。由此可知根據他的分析應該吸收更多的蛋白質。
2.B細節理解題。由第二自然段的第一句話可知，處理蛋白質的時候比處理碳水化合時燒掉的卡路里多，故A是錯誤的。第二自然段的最后一句話，人們從肉類和蔬菜類中獲取蛋白質，但并未說明蔬菜含的蛋白質多，故C是錯誤的。Another explanation for the link his team observed is that eating protein helps preserve muscle mass and muscle mass bums more calories, even when the body is resting, than other types of mass.句意為：另外一種解釋是吃蛋白質有助于保存肌肉塊，而肌肉塊能消耗更多的卡路里，甚至是休息的時候。由此可知D是錯誤的。
3.A細節理解題。It is not obvious why a higher protein-to-carbohydrate ratio might help people lose more pounds——and one obesity researcher not involved in the new analysis questioned whether the trials were strong enough to make that conclusion.句意為：蛋白質對碳水化合物的高比率能幫助人們減肥的原因并不是十分清晰，是否有足夠的證據得出這個結論也沒有涉及到，所以由此可知，應該是持懷疑的態度。
考點：考查對健康保健類文章的閱讀。
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[2]In what researchers claim is the first-ever trial of the effect of water consumption on weight loss, scientists from Virginia Tech found that dieters who started each meal with two glasses of water lost nearly five pounds more, on average, than dieters who did not, over the course of 12 weeks．There's no shortage of clear evidence about how water might work to control your appetite（食欲）．It ________________ so you don't eat so much; it keeps down your thirst so that you don't turn to calorie－rich sodas or juices．But until now, the researchers say, there has been no true evidence that water's appetite-controlling benefits ever translate into actual weight loss．Now there is． In the 12-week study period, dieters instructed to drink water with every meal lost an average of 15.5 pounds; dieters given no instructions lost, on average, just 11 pounds．
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[4]The new results today suggest that many people could indeed stand to drink a little more water than they do．But if you're looking to lose weight, be aware that it is actually possible to drink too much water, and you probably won't help matters any by drinking too much water at a time．In extreme cases, it can even be deadly．A couple of glasses with each meal, however, should be no problem at all for a healthy person．
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Enough obvious evidence ________________ how your appetite might be under the control of water．
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Enough obvious evidence ________________ how your appetite might be under the control of water.
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閱讀下面的短文，并根據短文后的要求答題（請注意問題后的詞數要求。答案寫在答卷紙上）
[1]It's safe, it's simple, and it works: Drinking right amounts of water really can help you lose weight, new research shows.
[2]In what researchers claim is the first-ever trial of the effect of water consumption on weight loss, scientists from Virginia Tech found that dieters who started each meal with two glasses of water lost nearly five pounds more, on average, than dieters who did not, over the course of 12 weeks. There's no shortage of clear evidence about how water might work to control your appetite (食欲). It ________________ so you don't eat so much; it keeps down your thirst so that you don't turn to calorie－rich sodas or juices. But until now, the researchers say, there has been no true evidence that water's appetite-controlling benefits ever translate into actual weight loss. Now there is. In the 12-week study period, dieters instructed to drink water with every meal lost an average of 15.5 pounds; dieters given no instructions lost, on average, just 11 pounds.
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