材料计划管理的首要目标是（）。
A.供求平衡
B.按时供货
C.保质保量
D.价廉物美
参考答案：A
—What do you think of your English teacher?
—She is very strict us our English.[ ]
A. with; with
B. with; in
C. in;with
D. in; in
对于pick手不取片时就注意什么？
