(来学网)某地某年女性简略寿命表中0岁组的期望寿命为65.5岁,则1岁组的期望寿命
  • A.
    (来学网)等于65.5
  • B.
    (来学网)小于65.5
  • C.
    (来学网)大于65.5
  • D.
    (来学网)不一定
  • E.
    (来学网)大于等于65.5