药品类易制毒化学品包括()
A.麻黄素
B.伪麻黄素
C.去甲麻黄素
D.复方樟脑酊
参考答案:A, B, C
Li Ming made great progress ________ of his parents.
A. to their much delight
B. to the much delight
C. to much delight
D. much to the delight
企业“言必信,行必果”,一诺千斤少两,不以次充好,不欺诈,属于企业“CS战略”中的()。