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Eating a big breakfast could help you bu...

Eating a big breakfast could help you burn double the amount of calories than if you eat a larger meal at dinner.

It could be the key to losing weight while also keeping blood sugar levels steady, researchers at Lübeck University in Germany said. Their study found filling up in the morning boosts a metabolism (新陈代谢) process known as diet-induced thermogenesis(DIT). DIT refers to the number of calories the body expends to heat the body and digest food. It was shown to be twice as high for those who ate more at breakfast than at dinner. On the other hand, a low-calorie breakfast increases appetite(食欲), especially for sweets, the researchers admitted.

The findings published in the Journal of Clinical Endocrinology and Metabolism were based on a laboratory experiment of 16 men. They consumed a low and high calorie breakfast and dinner one day—and then vice versa (反过来) on another. The study also showed increases in blood sugar and insulin concentrations, caused by eating a meal, was reduced after breakfast, but not so much after dinner. The results also showed eating a low-calorie breakfast caused sweet desires with a higher appetite. This suggests those saving all their calories for the end of the day may face consequences because they snack more.

The study adds to increasing evidence that the best way of losing weight is to eat your largest meal in the morning—and your smallest in the evening. Dr Richter, a neurobiologist at Lübeck University, said, “Eating more at breakfast instead of dinner could prevent obesity(肥胖) and high blood sugar.” Both obesity and high blood sugar can lead to many life-threatening illnesses including cancer, cardiovascular disease and diabetes. Previous research has shown DIT is lower in people with obesity. It’s seen as a measure of how well our metabolism is working.

DIT can differ depending on mealtime and is generally slower in the evening and at night due to our body clocks. Dr Richter said, “We recommend that patients with obesity as well as healthy people eat a large breakfast rather than a large dinner to reduce body weight and prevent metabolic diseases.”

Professor Daniela Jakubowicz, author of The Big Breakfast Diet, found that those who piled on the calories in the morning were more likely to feel satisfied, preventing snacking throughout the day. And another study by Professor Jakubowicz found that eating chocolate in the morning, when our metabolism is at its highest, prevented desires for sweet things later on.

1.We can learn from the passage that DIT ________

A.is usually slower in the evening than during the daytime.

B.refers to the number of calories needed to heat the body.

C.has been found by the researchers in a Germany university .

D.may become twice lower when people eat a big breakfast.

2.According to the study, eating a high-calorie breakfast can ______.

A.cause diabetes B.lead to obesity

C.keep appetite D.lower blood sugar

3.What are the findings of the study conducted by the researchers at Lübeck University based on?

A.The observation of blood sugar changes.

B.Basic theories about diet-induced thermogenesis.

C.The data collected from a laboratory experiment.

D.Different experiments on people with different appetite.

4.What’s the best title for the text?

A.DIT: lower in the morning or evening? B.A low or high calorie dinner

C.A big breakfast, or a large dinner? D.Less calories, better health

 

1.A 2.D 3.C 4.C 【解析】 这是一篇说明文。研究发现吃一顿丰盛的早餐比你在晚餐吃一顿丰盛的早餐能帮助你燃烧双倍的卡路里。德国Lübeck University的研究人员称,一顿丰盛的早餐可能是减肥同时保持血糖水平稳定的关键,指出低卡路里早餐会增加食欲。文章介绍了研究过程,以及这项研究的一些发现和其他人对此的看法。 1. 细节理解题。根据倒数第二段中DIT can differ depending on mealtime and is generally slower in the evening and at night due to our body clocks.可知根据进餐时间的不同,DIT也会有所不同,通常在傍晚和晚上,由于我们的生物钟,DIT会更慢。由此可知,DIT晚上的速度通常比白天要慢。故选A。 2. 细节理解题。根据第三段中They consumed a low and high calorie breakfast and dinner one day—and then vice versa (反过来) on another.The study also showed increases in blood sugar and insulin concentrations, caused by eating a meal, was reduced after breakfast, but not so much after dinner.可知他们一天吃低卡路里和高卡路里的早餐和晚餐,另一天则相反。该研究还表明,由进食引起的血糖和胰岛素浓度的升高在早餐后有所降低,但在晚餐后就不那么明显了。由此可知,根据这项研究,吃高热量的早餐可以降低血糖。故选D。 3. 推理判断题。根据第三段中The findings published in the Journal of Clinical Endocrinology and Metabolism were based on a laboratory experiment of 16 men.可知该研究结果发表在《临床内分泌学与代谢杂志》上,是基于对16名男性的实验室实验得出的。由此可推知,Lübeck University研究人员的研究结果是基于从实验室实验中收集的数据。故选C。 4. 主旨大意题。根据第一段Eating a big breakfast could help you burn double the amount of calories than if you eat a larger meal at dinner.可知吃一顿丰盛的早餐比你在晚餐吃一顿丰盛的早餐能帮助你燃烧双倍的卡路里。结合文章说明了德国Lübeck University的研究人员称,一顿丰盛的早餐可能是减肥同时保持血糖水平稳定的关键,指出低卡路里早餐会增加食欲。文章介绍了研究过程,以及这项研究的一些发现和其他人对此的看法。由此可知,故C选项“丰盛的早餐还是丰盛的晚餐?”最符合文章标题。故选C。
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I joke about people being more motivated to come to my running sessions by the tea and biscuits afterwards than by the running itself. It might be true, but it doesn’t matter. Those laughter-filled minutes are every bit as important as the running in between.

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B.The coach was never discouraged.

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D.Neither of them was willing to reach an agreement.

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