生产企业的销售物流一般也就是生产资料生产企业的采购物流。
参考答案：错
—A naughty boy kept talking in class.
—Are you _____ Mike? It’s just like him to be so rude!
A．coming across
B．looking down on
C．looking forward to
D．referring to
测定水的色度的方法有（）和铬钴比色法。
