将一个图像拖放到另外一个图像上时,()键可保证刚好拖放在另一个图像的中间。
A.Ctrl+拖动
B.Alt+拖动
C.Shift+拖动
D.Ctrl+Alt+拖动
参考答案:C
As is widely accepted, _______ students should have ______ easy access to labs, libraries and other facilities at school.
A./; an
B.the; an
C.the; /
D./; /
随库存量增加而增加的费用包括()。
A.资金成本
B.仓储空间费用
C.物品变质和陈旧
D.税收和保险
E.库存持有成本