【简答题】Nutrition is the science of food, its use within the body, and its relationship to good health. It includes the study of the major food components—protein, carbohydrates, fat, vitamins, minerals, and ...
【简答题】Filling in missing words: (A) A man went to see his doctor because he was suffering _______(1) pains in his stomach. After the doctor had ________(2) him carefully, he said to him, “ Well, there’s ___...