矿源层
参考答案：
指成矿物质在沉积成岩时已初步富集并能在后生期被活化迁移出来的岩层。
The food is not very good in this restaurant, but we shall just have to __________ it. [ ]
A. pay attention to
B. hold on to
C. put up with
D. keep up with
中国绘画形成的第一个发展高峰是（）
A.人物画
B.水墨山水画
C.写意花鸟画
D.工笔花鸟画
