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幼儿膳食计划应力求各营养素之间有合理的比值,其中脂肪所提供的热能占总热量的( )

A、12%~15%

B、15%~20%

C、20%~30%

D、50%~60%

时间：2021-09-01 16:58 关键词：青书学堂平顶山学院学前教育(高起专) 学前卫生学(高起专)

答案解析

C

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