进场的改性石油沥青密封材料抽样复验规定，同一规格、品种的材料应每5t为一批，不足5t者按一批进行抽样。( )
参考答案：错
史书载：“（东汉）立春之日，京师百官皆衣青衣，施土牛耕人（泥塑的牛和人）于门外，以示兆民。”这一隆重仪式说明了（ ）
A．统治者重视春耕生产
B．铁犁牛耕始于东汉
C．立春乃统治者祭祖之日
D．东汉时期制瓷业发达
A 14-year-old female client in skeletal traction for treatment of a fractured femur is expected to be hospitalized for several weeks. When planning care, the nurse should take into account the client's need to achieve what developmental milestone ？（）
A．Autonomy.
B．Initiative.
C．Industry.
D．Identity.
