从生产过程的角度,可把库存划分为不同的类型。下列选项中,指仍处在生产过程中,但部分完工的物品是()
A.消耗品
B.原材料
C.半成品
D.成品
参考答案:C
Have you ever seen any trees ________ leaves were black because of the polluted air?
A.whose
B.that
C.which
D.who
增强CT扫描用()
A.泛影葡胺
B.磁显葡胺
C.两者均可
D.两者均否