(来学网)正常人每日分泌的唾液量是
  • A.
    (来学网)200~500ml
  • B.
    (来学网)500~800ml
  • C.
    (来学网)800~1000ml
  • D.
    (来学网)1000~1500ml
  • E.
    (来学网)1500~2500ml