题目内容
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[单选题]
三大产能物质蛋白质:脂肪:碳水化合物的比例是()
A.20%~25%:25%~30%:50%~60%
B.10%~15%:20%~35%:50%~60%
C.10%~25%:25%~30%:50%~60%
D.10%~25%:25%~30%:50%~60%
E.15%~25%:30%~45%:45%~60%
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