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【单选题】
11在Windows中,关于"剪贴板"的叙述中,不正确的是().A.
凡是有"剪切"和"复制"命令的地方,都可以把选取的信息送到"剪贴板"中
B.
) 剪贴板中的信息可被复制多次
C.
剪贴板中的信息可以自动保存成磁盘文件并长期保存
D.
剪贴板既能存放文字,还能存放图片等
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举一反三
【单选题】Why should you wear a self-contained breathing apparatus before entering the engine room after the fixed CO2 system has been discharged to combat a major fine?
A.
Because carbon dioxide dilutes the oxygen concentration in the atmosphere and may cause as phyxiation.
B.
Because carbon dioxide breaks down in fire into carton monoxide which may cause blood poisoning in the person breathing this gas.
C.
Because carbon dioxide is a colorless and odorless gas that becomes highly toxic in the presence of high temperatures and will quickly incapacitate a person exposed to this gas.
D.
This action is unnecessary as carbon dioxide is neither poisonous nor toxic but is a relatively harmless gas.
【简答题】一张完整的零件图应包括一组图形、尺寸、___________、标题栏等内容。
【简答题】Why should you wear the gloves when operating the machine? In that way you may _________ any injury to your ________.
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