论文部分内容阅读
人为什么能活着,生命活力在于以下三要素:一、生理所需基本物质的正常供应,是生命活力的根本生理所需基本物质是营养、空气和水,人离开了营养、空气和水,就无法存活,所以说,确保营养、空气和水的正常供应,是生命活力的根本因素。饮食是生命的物质基础,是生命活力所需能量的来源。营养主要来自合理膳食,因此,要选购食用富含营养素的食物,这是保证膳食营养的基本物质条件。要保持食物新鲜,生熟食物不能
Why people can live, vitality of life lies in the following three elements: First, the normal supply of physical needs of the basic material is essential to the vitality of life The basic physiological needs nutrients, air and water, people leave the nutrition, air and water, on Can not survive, so to say that ensuring the proper supply of nutrition, air and water is a fundamental factor in the vitality of life. Diet is the material basis of life, is the source of energy for the vitality of life. Nutrition is mainly from a reasonable diet, therefore, to buy food rich in nutrients, which is to ensure that the basic nutritional conditions of the material. To keep food fresh, raw and cooked food can not