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【单选题】

A manufacturing plant is designed to produce 2000 flat-screen TVs per day. But demand is higher than that. If the company tries to increase its production to 2500 TVs per day, the average costs will ________ because ________.

A.
decrease; the plant becomes more efficient
B.
stay the same; the plant becomes more efficient
C.
increase; the plant becomes more efficient
D.
increase; the plant becomes inefficient
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参考解析:
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【单选题】在PowerPoint2003中,“自定义动画”命令位于()

A.
“格式”菜单
B.
“工具”菜单
C.
“编辑”菜单
D.
“幻灯片放映”菜单