一、泛听建议：

　　1、完整听一遍，掌握大意。

　　2、继续听，特别注意关键信息。遇到相似的词，写下来。

　　3、复述新闻。

　　One of the most unfortunate _1_ weight loss maintenance is that it takes _2_ calories to just stay the same, let alone keep losing weight.That as the body loses weight, it becomes more efficient and _3_ calories. Ludwig recently completed his diet study, which compared low-carb, low-fat and low-glycemic diets. He _4_ the low-carb diet burned the most calories, but it was hard to stick to. The most promising

　　diet _5_ the low-glycemic one. People like Mike Rogers were able to lose weight and keep it off. Rogers maintained a 40 pound weight loss by shifting to low-glycemic foods that are mostly natural and unprocessed.

　　I eat a lot less white rice and a lot less potatoes than _6_. And the other thing that I learned that I liked quite a bit was steel cut oats. I've never been a big fan of standard oatmeal, but steel cut oats has enough tooth in it that I really enjoy that.Dr. Ludwig is quick to caution his study was short and not conclusive. He's working now to design a long term study that looks at diet and weight loss maintenance over a number of years.

　　Joy Dubost is a registered dietitian with the Academy of Nutrition and Dietetics. She says the problem with the low-glycemic diet is that it can be confusing because _7_ factors affect how the body digests food.Factors like ripeness, the _8_ the products, the way it was prepared, the types of sugar that are present or carbohydrates, the amount of fiber and fat present and just the way your body digests it.

　　And eating too many low-glycemic foods that are also high in calories, sugar or saturated fats can also be a problem. Dubost urges moderation of carbs and fats. And equally important, the other _9_ the equation - exercise. She points to a study which found people who successfully maintained their _10_ added 60 to 90 minutes of moderate exercise every single day.Patti Neighmond, NPR News.

　　词汇解析：

　　1、oats. 燕麦；燕麦片（oat的复数）；燕麦粥

　　2 、conclusive . 决定性的；最后的；确实的；确定性的

　　eg:Her attorneys claim there is no conclusive evidence that any murders took place.

　　她的律师们声称没有任何发生过谋杀的确凿证据。

　　3、registered dietitian 注册营养师

　　1、aspects of 2、fewer and fewer 3、requires fewer 4、found 5、turned out to be

　　6、I used to eat 7、lots of 8、variety of 9、end of 10、weight loss