对物料的ABC分类管理中，A类物料占采购总数的10%，占采购金额的70%～80%。( )
参考答案：对
We have to start at 7:15 tomorrow morning, we will be late for the 9:40 plane.
A．or
B．so
C．if
D．before
In the street I saw some ____ in the ____ car.[ ]
A. policemen; policemen
B. policemen; police
C. police; policemen
D. policeman; policeman
