F0值的应用大多限于（）
A.干热灭菌
B.湿热灭菌
C.热压灭菌
D.流通蒸气灭菌
E.气体灭菌
参考答案：C
2001年4月，由原来的国家出入境检验检疫总局和国家质量技术监督局组建了国家质量监督检验检疫总局。
________ herself with routine office tasks, she had no time to attend to her children.[ ]
A．Occupying
B．Occupied
C．Being occupied
D．To be occupied
