单项选择题
A.1.82g/cm3 B.1.83g/cm3 C.1.70g/cm3 D.17.90g/cm3
A.0.8g/cm3 B.0.08g/cm3 C.1.08g/cm3 D.1.98g/cm3
A.脆性岩层 B.砂岩或泥(页)岩 C.碳酸岩 D.所有地层