()配送中心的形成与发展是物流系统化和规模化的必然产物。
A．正确
B．错误
参考答案：对
He has never done this type of work before;I’m not sure how he’ll______the other employees.
A．fit in
B．fit with
C．fit for
D．fit in with
气相色谱法用FID测定CH4时，当样品气中CH4含量比载气中CH4含量低时，会出现负峰。( )
