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【简答题】
8051内部有___个并行口,P0口直接作输出口时,必须外接____ ;
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【单选题】As Christmas was coming, the town began a ______ clearing on a large scale.
A.
through
B.
thorough
C.
though
D.
thought
【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】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】制作全口义齿时确定垂直距离的方法中，最不可靠的方法是（）.
A.
拔牙前记录
B.
面部外形观察法
C.
面部距离均等测定法
D.
息止牙合位测定法
E.
以旧义齿为参考
【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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