单项选择题
《中国居民膳食营养素参考摄入量》推荐孕中期锌RNI为()mg/d,UL值为()mg/d。()
A.7.5mg/d;40mg/d
B.9.5mg/d;40mg/d
C.7.5mg/d;30mg/d
D.9.5mg/d;30mg/d
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单项选择题
A.7.5mg/d;40mg/d
B.9.5mg/d;40mg/d
C.7.5mg/d;30mg/d
D.9.5mg/d;30mg/d
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