(来学网)我国营养学会建议孕中期、末期每日摄入钙AI为
  • A.
    (来学网)1000mg和2000mg
  • B.
    (来学网)1000mg和1200mg
  • C.
    (来学网)800mg和1000mg
  • D.
    (来学网)800mg和1200mg
  • E.
    (来学网)l000mg和1500mg