A、0.95~2.00g/cm3,±0.01g/cm3 B、0.98~1.50g/cm3,±0.01g/cm3 C、0.90~1.00g/cm3,±0.02g/cm3 D、0.96~1.80g/cm3,±0.01g/cm3
A、杯蓋 B、支架 C、水平泡 D、水
A、160 B、150 C、140 D、100