(来学网)重度有机磷中毒时,全血胆碱酯酶活性应为
  • A.
    (来学网)小于70%
  • B.
    (来学网)小于60%
  • C.
    (来学网)小于50%
  • D.
    (来学网)小于40%
  • E.
    (来学网)小于30%
正确答案:
E