随着国民经济的发展,人民生活水平不断提高,快餐食品迅速地进入千家万户,这也是现代生活节奏加快的表现。随意步入食品店内,人们都可以买到各式各样的快餐食品,如快餐面类、罐头类、面包类等。 脚气病,是一种营养缺乏所造成的疾病,其中以维生素B_1,缺乏为主。这种疾病的主要症状是双脚部发肿,全身无力,严重者会出现心累心跳,个别患者还 With the development of the national economy, people’s living standards continue to improve, and fast-food products rapidly enter tens of thousands of households. This is also a sign of accelerating the pace of modern life. Feel free to walk into the food court where people can buy a wide variety of fast food items such as instant noodles, canned foods, breads and more. Beriberi is a disease caused by nutritional deficiencies, including vitamin B_1, the main lack of. The main symptoms of this disease are swollen feet, general weakness, severe heart heart beating, individual patients also