岩石性质对工艺系统选择是一个根本性的限制条件。
参考答案:对
企业年金是养老金的第二支柱,被称为“企业补充养老保险”。()
I never thought such a little child could succeed ______ with such a troublesome case.[ ]
A. in dealing
B. to deal
C. dealing
D. of dealing