(来学网)膳食中糖类供热占总能量摄入的适当比例为
  • A.
    (来学网)40%~50%
  • B.
    (来学网)50%~60%
  • C.
    (来学网)60%~70%
  • D.
    (来学网)70%~80%
  • E.
    (来学网)80%~90%