向太平洋海啸受灾地区运送捐赠物品的28辆汽车排成一纵队,每辆车长12米,每相邻两辆车之间相距25米。请问这列车队共长多少米?
12×28+25×(28-1)=1011(米)
—Do you know ______?
—Next Friday.[ ]
A. when will we have the sports meeting
B. when we will have the sports meeting
C. when we had the sports meeting
D. when did we have the sports meeting
部分流量之和称为()。
A.断面水量
B.全断面流量
C.平均流量
D.全部流量