第一层;食品食品是人类食用的物品,包括天然食品和加工食品。天然食品是指在大自然中生长的、未经加工制作、可供人类食用的物品,如水果、蔬菜、谷物等;加工食品是指经过一定的工艺进行加工后生产出来的以供人们食用或者饮用为目的的制成品,如大米、小麦粉、果汁饮料等,但不 The first layer; Food Food is human consumption of goods, including natural foods and processed foods. Natural food refers to the growth in nature, unmanufactured, for human consumption of items such as fruits, vegetables, grains, etc .; processed foods are processed through a certain process for the production of food for people to eat or Finished products for drinking, such as rice, wheat flour, fruit juice, etc., but not