单项选择题
为满足骨骼迅速生长的需要,青少年适宜的钙摄入量为()
A.800mg/d
B.900mg/d
C.1000mg/d
D.1100mg/d
E.1200mg/d
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单项选择题
A.800mg/d
B.900mg/d
C.1000mg/d
D.1100mg/d
E.1200mg/d
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