【单选题】
在Word文档编辑中，复制文本使用的快捷键是___。
A. Ctrl+C
B. Ctrl+A
C. Ctrl+Z
D. Ctrl+V
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答案
A
解析
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【单选题】
在Word的编辑状态，选择了整个表格，执行了表格菜单中的"删除行"命令，则___。
A. 整个表格被删除
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D. wang@em.hxing.com .cn
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目前各国所采用的较为完善的高速铁路信号与控制系统主要包括三个子系统，其中下面不是这三个子系统的是：___
A. 行车指挥自动化系统
B. 列车自动防护系统
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“四纵”客运专线不包括以下哪条线路？ ___
A. 京沪高速铁路
B. 北京－武汉－广州－深圳客运专线
C. 北京－沈阳－哈尔滨（大连）客运专线
D. 上海－杭州－南京－广州－深圳客运专线
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___是单位或个人对过去一个时期内的实践活动所作出的系统的回顾归纳、分析和评价，并从中得出规律性的认识，用以指导今后工作的事务性文书。
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