建筑产品价格包括( )几部分。 A.生产成本 B.利润 C.税金 D.投资 E.负 发布时间:2017-07-07 08:23 │ 来源:www.tikuol.com 题型:多项选择题 问题: 建筑产品价格包括( )几部分。A.生产成本B.利润C.税金D.投资E.负债
题型:多项选择题 Cultured pearl is formed by ______.A.insertion of a pearl into a live molluskB.an oyster into which a piece of grit has been placedC.putting in a live molluskD.placing a bead into culture 查看答案