一辆洒水车,每分钟行驶250米,洒水的宽度是8米。洒水车行驶13分钟,能给多大的地面洒上水?
250×8×13=26000(平方米)
— I'm very tired these days because of studying for physics.
— Why not music? It can make you . [ ]
A. listen to; relaxing
B. to listen to; to relax
C. listening to; relaxed
D. listen to; relax
在编制弹性预算时,可将业务量水平定在正常生产能力的70%~100%,或以历史最高业务量与历史最低业务量作为预算编制业务量的上下限。 ( )