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The food pyramid shown in the picture is a reasonable dietary mix proposed by Chinese nutritionists. Answer according to the diagram: (1) The grains at the bottom of the tower are the main ingredients
The food pyramid shown in the picture is a reasonable dietary mix proposed by Chinese nutritionists. Answer according to the diagram: (1) The grains at the bottom of the tower are the main ingredients of the human body.

(1) Sugar; energy? (2) Vitamins

Test question analysis: (1) Starch belongs to sugar, which mainly exists in plant seeds Or in tubers, such as rice, wheat, potatoes, etc. Carbohydrates are the body's main source of energy.

(2) Vitamin: It is a type of trace organic substances that humans and animals must obtain from food in order to maintain normal physiological functions. They cannot be synthesized in the human body and need to be ingested from food. Fruits, vegetables, seed foods, animal livers, muscles, fish, cod liver oil, eggs, milk and goat milk are all rich in vitamins.

Comments: To answer this type of question well, you must understand and memorize life activities and the six major nutrients (including the names, functions, sources and deficiency symptoms of nutrients, etc.), as well as related knowledge .