单项选择题
A.97% B.95% C.93% D.91%
A.岩浆岩 B.沉积岩 C.变质岩 D.火成岩
A.0.3 B.0.2 C.0.1 D.0.5
A.0°-25° B.4°-25° C.25°-45° D.5°-10°
微信扫一扫,加关注免费搜题
