衰退期的货源保障呈现（）特点。
A.停止货源采购
B.提供促销物资
C.销量平稳下降
D.以消化库存为目标
参考答案：D
There are ________ on the floor. [ ]
A. three bag of rice
B. three bags of rice
C. three bags of rices
— How are you managing to do your work without an assistant?
— Well, I ______ somehow.[ ]
A. get along
B. come on
C. watch out
D. set off
