The Browns and the Smiths are
neighbours. Mr. Brown’s name is Allen. But when his neighbours talk about him,
they call him "Mr. Going-to-do." Do you know why Mr. Brown always says he is
going to do something, but nothing happens after that. Every Saturday Mr. Brown goes to the Smiths’ back door and talks to Mr. Smith, "I’m going to clean my house today. "he says, or "I’m going to wash my car tomorrow." or "The trees in front of my house are too big, I’m going to cut them down next week." Mr. Smith usually says, "Are you, Allen " He knows his neighbour is not going to clean his house, or wash his car, or cut down any trees. Then he says, "Well, excuse me, Allen, I’m going to do some work in the house." And so he does. Mr. and Mrs Smith often say to their children, "Are you goi [判断题]国际公认的求援符号中“Y”或“N”分别代表“是”或“不是”; ( )
A.正确 B.错误 [单选题]粉尘作业时要戴( )。
A.棉纱口罩 B.过滤式防尘口罩 C.防毒面具 [判断题]对易燃易爆等危险物品,使用和处理(如爆破作业火工品管理的关键环节,运送、使用、装配药、瞎炮处理、过期药处理,各类油脂的存放管理等)错误是不安全行为。
A.正确 B.错误 [单选题]列车分部运行时,根据列调命令派遣原列车机车返回区间挂取遣留车列的行车凭证为( )。
A.调度命令 B.出站调车通知 C.路票 D.出站信号显示进行信号 [单选题]车辆连接装置部位图像可以通过TEDS系统利用轨边安装线阵和面阵高速摄像机来进行采集。
A.可视 B.客室 C.车顶 D.车内 [单选题]检修电动机的工作尚未全部终结,但需送电试验电动机及其启动装置、变频装置时,应在( )后,方可送电。
A.全部工作暂停 B.暂停相关工作 C.停止部分工作 [简答题] 滚珠丝杠副应转动灵活,无卡阻,内涂满足工作环境的________ 。
[单项选择]大数据技术的战略意义不在于掌握庞大的数据信息,而在于对这些含有意义的数据进行()。
A. 数据信息 B. 专业化处理 C. 速度处理 D. 内容处理 [单选题]在经继电保护出口的发电机组热工保护、水车保护及其相关回路上工作,可以不停用高压设备的或不需做安全措施者,应该填用变电站(发电厂)( )。
A.第一种工作票 B.带电作业工作票 C.工作任务单 D.第二种工作票 我来回答: 提交
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