迎考的学生们大都处于强脑力的紧张状态,常常出现头昏脑胀、精力难以集中、复习效率不高的现象。有的甚至出现暂时性的低血糖、失眠、神经衰弱等症状。所以,考前调摄饮食十分重要。学生临考期间,对蛋白质需要量高于平时。但过多食用蛋白质,餐餐大鱼大肉,主食不能相应增加时,会使人头昏欲睡,工作效率降低。所 Most students welcome the examination of strong mental stress, often dizziness, energy is difficult to focus on the phenomenon of ineffective review. Some even have temporary hypoglycemia, insomnia, neurasthenia and other symptoms. Therefore, the exam before adjusting diet is very important. Students during the exam, the protein requirement higher than usual. However, excessive consumption of protein, meal meatballs, staple food can not be a corresponding increase, it will make people drowsy, work efficiency is reduced. The