【简答题】Scientists say there are seven kinds of food that people should eat every day. They are: (1) green and yellow vegetables of all kinds; (2) citrus(柑橘类)fruits and tomatoes; (3) potatoes and other fruits...
【简答题】Scientists say there are seven kinds of food that people should eat every day. They are: (1) green and yellow vegetables of all kind; (2) citrus(柑橘类)fruits and tomatoes; (3) potatoes and other fruits ...