注意学生在复习和考试期间的营养极为重要。学生在紧张的复习和考试期间,大脑及全身的代谢都增加,消耗的能量也相应增加。当进行脑力劳动时,脑细胞需要大量的氧和糖,以维持自身的代谢和进行功能活动,大脑在活动中比在安静中其耗氧量和耗糖量都要多得多。这时如果考生的营养跟不上,就会引起消瘦、贫血、头昏脑胀,而且容易疲劳,造成视力减退、注意力不集中和记忆力减退等,从而影响复习和考试效果,甚至还容易感染结核、肝炎及流感等传染病。因此,考生对营养有一些特殊的需求。 Note that nutrition during the review and examination is of paramount importance. Students during the intense review and examination, the brain and body metabolism are increased, the energy consumed also increased accordingly. When doing mental work, the brain cells need a lot of oxygen and sugar to maintain their own metabolism and functional activity, the brain in the activity than in the quiet of its oxygen consumption and consumption of sugar are much more. At this time if the examinee’s nutrition can not keep up, it will lead to weight loss, anemia, dizziness, and fatigue, resulting in vision loss, loss of concentration and memory loss, etc., thus affecting the review and examination results, and even susceptible to infection Tuberculosis, hepatitis and flu and other infectious diseases. Therefore, candidates have some special needs of nutrition.