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。