热门试题:
[多选题]交叉吊弦的承力索端采用滑动吊弦线夹时,绝缘垫块应()。
A.交叉安装
B.安装正确
C.保证滑动灵活
D.垂直安装
[单选题]排烟设施是采用( ),将烟气排至建筑物外的系统。
①机械排烟方式
②人工排烟方式
③自然通风方式
④智能排烟方式
A.①④
B.②④
C.①③
D.①②③
[单项选择]春秋季工作服的更换时间为()。
A. 一年
B. 两年
C. 三年
D. 四年
[单选题](1.0分)边长超过( )的洞口,四周设防护栏杆,洞口下张设安全平网。
A.130c m
B.150c m
C.180c m
D.200c m
[单项选择]As used in the first line of the second paragraph, the word "utter" means ______.
A. thorough
B. fundamental
C. ultimate
D. decisive
[填空题]制作一部完整的动画片大体上需要三个阶段:()、()和()。
[单项选择]设曲线y=x2+3x+1上某点处的切线方程为y=mx,则m的值可能是( )。
A. 0
B. 1
C. 2
D. 3
[单选题]根据《中国电信CN2网络组织与策略规范》,CN2的所有交换机的内部路由采用()协议
A.RIP
B.IS-IS
C.OSPF
D.BGP
[单选题]在流速较小,管径较大或流体粘滞性较大的情况下( )的流动。
A.才发生层流状态
B.不会发生层流状态;
C.不发生紊流状态
D.才发生紊流状态;
[判断题]当干粉灭火系统采用全淹没的方式灭火时,不能自动关闭的开口不应设置在防护区上部。( )
A.正确
B.错误
[多选题]铁路稽查人员凭( )可以在车内验票。
A.佩带稽查臂章
B.稽查证件
C.出示检查证
D.乘车证
[单选题]失智症老人走失预防中错误的是( )
A. 不用预防,防不胜防
B. 戴定位手环
C. 社区联防
D. 安排照护者
E.改造老年人外出门禁
[简答题]背景
某建筑设计院具备建筑、市政甲级设计资质,承担了某4D机场的跑道延长工程的工程总承包任务,工程总承包单位负责设计到行业验收综合管理,找了一家民航专业工程设计院设计,又找一家机场场道专业工程二级企业进行道面工程施工。
问题
(1)我国工程总承包资质是如何管理的?
(2)该设计院能否承担该项目的工程总承包?
(3)施工单位能否承担该项目施工任务?
[判断题]( )38、一级污水雨排池格栅无需清理。
A.正确
B.错误
[单选题]对颜色有较高区别要求的场所,宜采用()。
A.白炽灯
B.彩灯
C.紫色灯
[判断题]化学防护靴电绝缘性能:击穿电压≥5000V,且泄露电流<3mA。
[简答题]国网公司的战略目标的方向是(____)。
[判断题]•山东能源集团《“红黄牌”、严重“三违”判定标准及执行办法》规定:上报信息、数据造假的挂红牌处理
A.正确
B.错误
[单选题]员工调整工作岗位或离岗( )个月以上重新上岗时,应重新接受车间(站区、分部)级和班组级的安全教育培训。
A.1
B.3
C.6
D.12
[单选题]一个调度区段内的行车工作由本区段()单一指挥。
A.机车调度员
B.列车调度员
C.车站值班员
D.主任机车调度员
[多选题]防爆电气设备的安全设置必须具有防止人员误操作的( )。
A.接地装置
B.漏电装置
C.电气连锁装置
D.机械连锁装置
[判断题]零件图中注写极限偏差时,上下偏差小数点必须对齐小数点后位数相同,零偏差必须标注。 ( )
A.正确
B.错误
[单选题]液压机动剪断器主要用于工程抢险和( )。
A.火灾
B.水灾
C.地震
D.各类自然灾害
[判断题]已知XA=100.00,YA=100.00;XB=50.00,YB=50.00,坐标反算=45°00
A.正确
B.错误
[判断题]学习《概论》课要把握正确的政治方向,抵御各种错误思潮的影响。( )
A.正确
B.错误
[单选题]在Hive中,数字向下取整使用哪个函数
A.floor
B.round
C.rand
D.bround
[单项选择]
Automation refers to the introduction of electronic control and automatic operation of productive machinery. It reduces the human factors, mental and physical, in production, and is designed to make possible the manufacture of more goods with fewer workers. The development of automation in American industry has been called the "Second Industrial Revolution."
Labor’s concern over automation arises from uncertainty about its effects on employment, and fears of major changes in jobs. In the main, labor has taken the view that resistance to technological change is futile. In the long run, the result of automation may well be an increase in employment, since it is expected that vast industries will grow up around manufacturing, maintaining, and repairing automation equipment. Unquestionably, however, there will be major shifts in jobs within plants and displacement of labor from one industry to another. The interest of labor lies in bringing about this transiti
A. Automation will definitely lead to higher unemployment.
B. From a long-term point of view automation will bring about more jobs.
C. Automation will not cause much change in employment,
D. Sooner or later automation will do all the work instead of man,
[单项选择]DOM is a platform and language- (51) API that allows programs and scripts to dynamically access and update the content, structure and style of WWW documents (currently, definitions for HTML and XML documents are part of the specification). The document can be further processed and the results of that processing can be incorporated back into the presented (52) . DOM is a (53) -based API to documents, which requires the whole document to be represented in (54) while processing it. A simpler alternative to DOM is the event-based SAX, which can be used to process very large (55) documents that do not fit info the memory available for processing.
A. document
B. processor
C. disc
D. memory
[单选题]测距仪DME用途是
A.测量飞机到测距台的距离;
B.测量飞机到测距台的斜距;
C.测量飞机到跑道入口的距离。
[单选题](综合安全技术选做)砂轮机安装时,砂轮圆周表面与挡板的间隙应小于( )mm。
A.4
B.5
C.6
D.7
[判断题]在疏通钻孔时,操作人员不准直对钻杆站立操作。
A.正确
B.错误
[单选题](0.28分)【单选题】展神经支配
A.上直肌
B.下直肌
C.内直肌
D.外直肌
E.上斜肌
[单选题]渗流破坏险情抢险-跌窝:俗称塌坑,下列形成原因不对的是:()( )
A.下水道
B.生物洞穴
C.穿堤建筑物接触冲刷
D.墓穴及采空区。
[判断题]LKJ-2000运行监控装置退出调车状态时,在停车状态下按压[调车]键就退出调车状态。( )
A.正确
B.错误