(53~56题共用题干)每日所需的总能量。生后第1周的新生儿为A.168kJ/kg(40kcal/kg)B.210kJ/kg(50kcal/kg)C.252kJ/kg(60kcal/kg)D.294kJ/kg(70kcal/kg)E.336kJ/kg(80kcal/kg) 正确答案:C