外杂基
参考答案：
碎屑沉积物堆积后，在成岩后生期充填于其粒间孔隙中的外来杂基物质。
I __________ glasses since I was in primary school and I hate them. They make me look like a bookworm.
A．have worn
B．have been wearing
C．have been worn
D．was wearing
依据《矿山安全法》的规定，矿山企业必须从______中按照国家规定提取安全技术措施专项费用。
A．矿产品销售额
B．矿长专项资金
C．矿山基建资金
D．矿山安全资金
