一瓶饮料有250毫升,王华小卖部两天卖出了40瓶,一共是______毫升,合______升.
250×40=10000(毫升)
10000毫升=10升.
故答案为:10000,10.
关门到位开关接触不良,可能造成电梯反复开关门,导致电梯门机损坏.()
— David, you clean the blackboard today, ____ ?
— With pleasure. I cleaned it yesterday, though.
A. will you
B. do you
C. don't you
D. didn't you