A:You must take charge of it.
B:Wait for your punishment.
C:I’d like a refund, please.
D:I won’t agree with that.
功率表示物体做功的____ (选填“多少”或“快慢”),它的单位是____ (用符号表示).
正三角形的外接圆半径与内切圆的半径之比是( )
下列修辞手法的判断,正确的两项是( )