(来学网)人体的血量占体重的
  • A.
    (来学网)1%~2%
  • B.
    (来学网)3%~6%
  • C.
    (来学网)7%~8%
  • D.
    (来学网)9%~10%
  • E.
    (来学网)11%~12%