单项选择题
If you make us ______ at price this time we can sell a large quantity of chemical product in our district. A.concuss B.conclusion C.concession D.contact
未知题型 该有害物质对人体损伤的主要靶器官是A.肝B.肾C.脾D.造血系统###SXB#
未知题型 测定三氮的水样的保存应在A.4℃左右B.5℃左右C.7℃左右D.10℃左右###SXB
单项选择题 ______ the increase of the material price, our offer has left us with small profit, we can not accept your counteroffer. A.As a result B.As a result of C.Result in D.Result from