A:Come o
B:No worry
C:That’s impossible
D:No problem
The light went off suddenly. Everything__________ very dark.
把一小块实心金属放入盛满酒精(ρ酒精=0.8×103千克/米3)的杯中时,从杯中溢出8克酒精,若将该金属块放入盛满水的杯中时,从杯中溢出水的质量( )
____×114= a ×____=1 ( a≠0 )