2位老师带着50位同学去划船,每条船最多坐6人.他们至少要租多少条船?
50+2=52(人),
52÷6=8(条)…4(人),
8+1=9(条);
答:他们至少要租9条船.
I spent the whole day repairing the car.The work was easy.
A.nothing but
B.something but
C.anything but
D.all but
连锁店对于低值易耗品,布件需()进行一次盘点工作。
A.1星期
B.1周
C.2个月
D.1季度