问题详情

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The high"energy density"of junk food-the amount of calories it contains in relation to its weight-throws the brain's appetite control system into confusion.as this is based on the size of a portion rather than its energy content.
______含有很高的“能量密度”，即食物重量和______的比例。垃圾食品往往使大脑的______陷入混乱，因为控制系统判断的标准是食物分量的大小______热量的高低。