入口钢卷卷重最小为7.5吨,出口钢卷卷重最大为()。
参考答案:24.15吨
(12分)一辆汽车从关闭油门开始作匀减速直线运动直至停止,若己知前半段位移的平均速度为v,那么后半段位移的平均速度为多少?
The man is going to buy a big house when he _________ more money.
A.has
B.have
C.will have
D.is going to have