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【判断题】
锌表面光滑，并会与涂料反应生成锌皂影响附着力，故需作磷化。()A.
正确
B.
错误
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【简答题】Text 3 Companies with large scale need a way to reach the savings of the public at large. The same problem, with a smaller scale, faces practically every company trying to develop new products and cre...
【单选题】在Windows 7中，当一个已存文档（如用记事本新建的txt文本文档）被关闭后，该文档将____。
A.
保存在外存中
B.
保存在内存中
C.
保存在剪贴板中
D.
保存在回收站中
【单选题】Companies with large scale need a way to reach the savings of the public at large. The same problem, on a smaller scale, faces practically every company trying to develop new products and create new j...
A.
depend on their own financial resources
B.
invite the banks to provide long-term finance
C.
borrow large sums of money from friends and people they know
D.
rely on the population as a whole for finance
【单选题】Economies of scale are reductions in __________ achieved by producing a large volume of a product.
A.
unit cost
B.
marginal cost
C.
failure
D.
total cost
【单选题】Companies with large scale need a way to reach the savings of the public at large. The same problem, on a smaller scale, faces practically every company trying to develop new products and create new j...
A.
depend on their own financial resources
B.
invite the banks to provide long-term finance
C.
borrow large sums of money from friends and people they know
D.
rely on the population as a whole for finance
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