单项选择题
A.30%～49% B.11%～30% C.31%～50% D.10%以下 E.50%以下
A.27% B.26% C.30% D.36% E.21%
A.10% B.20% C.3% D.25% E.15%
A.2500kcal B.3000kcal C.3500kcal D.4000kcal E.4500kcal
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