✔ 最佳答案
No.
Vegetables contain many kinds of vitamins so that
deficiency of vitamins is prevented.
Intake of vitamin C also enhances the prevention of diseases.
Also, both meat and beans contain protein,
which is essential for the growth and repair of body.
2007-09-19 21:26:55 補充:
Besides, with the intake of carbohydrates, they can be broken down into glucoseand supply energy to maintain body processes and activites by respiration of cells.