(来学网)对微量元素占人体总重和每天需要量描述正确的是
  • A.
    (来学网)<1/100,<1mg/d
  • B.
    (来学网)<1/1000,<10mg/d
  • C.
    (来学网)<1/10000,<100mg/d
  • D.
    (来学网)<1/100000,<1g/d
  • E.
    (来学网)<1/100000,<10g/d