(来学网)我国成人氟的适宜摄入量(AI)为
  • A.
    (来学网)0.5mg/d
  • B.
    (来学网)1.0mg/d
  • C.
    (来学网)1.5mg/d
  • D.
    (来学网)2.0mg/d
  • E.
    (来学网)2.5mg/d