简述卫生行政法规制定程序。
参考答案：
立项、起草、审查、通过、公布、备案。
A good idea occurred to Mr. Baker________ to his invention recently.
A．While applying
B．While applied
C．While he was applying himself
D．While applying himself
对于重要原材料(零部件)的采购，除要求供应商按期递送进度表外，跟单员还可以实地前往供应商生产企业进行实地考察。
