(来学网)血液的pH值为
  • A.
    (来学网)7.15~7.25
  • B.
    (来学网)7.25
  • C.
    (来学网)7.35~7.45
  • D.
    (来学网)7.45~7.55
  • E.
    (来学网)7.55~7.65