單項(xiàng)選擇題

【A1型題】我國規(guī)定兒童維生素D的每日營養(yǎng)素推薦攝入量(RNI)為()

A.10μg
B.15μg
C.20μg
D.25μg
E.30μg

微信掃碼免費(fèi)搜題
<li id="9vmvj"><pre id="9vmvj"></pre></li>
  • <nobr id="9vmvj"><strike id="9vmvj"></strike></nobr>
      <rt id="9vmvj"><delect id="9vmvj"></delect></rt>
    •