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【单选题】
在Windows中,下列不能进行文件夹重命名操作的是()A.
鼠标右键单击文件，在弹出的快捷菜单中选择“重命名”命令
B.
用“资源管理器/文件”下拉菜单中的“重命名”命令
C.
选定文件后再按F4键
D.
选定文件后再单击文件名一次
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举一反三
【简答题】滚珠丝杠螺母副滚珠循环方式分为哪两种?
【单选题】The consumer surplus lost because monopolists restrict the production of output represents a welfare loss because:
A.
it is transferred to producers in the form of profit.
B.
consumers pay a higher price than they would in a more competitive market.
C.
society is not using its scarce resources in the best way possible.
D.
of both a. and b., but not c.
【单选题】A price-discriminating monopolist sells in two separate markets such that goods sold in one market are never resold in the other. It charges p1 = 3 in one market and p2 = 7 in the other market. At the...
A.
Lower p2.
B.
Raise p2.
C.
Raise p1 and lower p2.
D.
Raise both p1 and p2.
【简答题】()是人民的立军之本。 A作风建军 B政治建军 C思想建军 建军
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