单项选择题
A.0.8B.0.7C.0.6D.0.5
A.886℃B.885℃C.884℃D.883℃
A.1.0~1.2g/cm3B.1.1~1.3g/cm3C.1.2~1.4g/cm3D.1.3~1.5g/cm3