For years and years people have been
saying that the railways arc dead. "We can do without railways," people say, as
if motorcars and planes have made the railways unnecessary. We all keep hearing
that trains are slow, that they lose money, and that they are dying. But this is
far from the truth. In those days of expensive oil, the railways have become
highly competitive with motorcars and planes. If you want to carry people or
goods from place to place, they are cheaper than planes. And they have
much in common with planes. A plane goes in a straight line and so does a
railway. What is more, it takes from the heart of a city into the heart of
another. It doesn’t leave you as a plane does, miles and miles from the city
center. It doesn’t hold you up as a car does, in endless traffic jams. And a
single train can carry goods which a plane or motorca A. it is cheaper to travel by plane than by train B. the railway station is usually in the suburb of the city C. when you get off the plane you will find yourself in the center of the city D. no motorcar or plane can carry as much goods as a train does [单选题]自动喷水灭火系统玻璃球洒水喷头公称动作温度68摄氏度时,工作液色标为()色。
A.橙 B.红 C.黄 D.绿 [单选题]患者女,32岁。因反复喘息发作20年,加重3天入院。查体:双肺散在哮鸣音。诊断支气管哮喘。则下列对其预防哮喘复发的指导措施中,正确的是
A.循序渐进地参加跑步等大运动强度的运动,增强体质 B.避免进食鱼肉和鸡蛋等可能诱发哮喘的食物 C.根据个人喜好在室内摆放少量花草,保持心情舒适 D.使用哮喘菌苗,有效时应坚持半年以上 E.应避免使用色甘酸钠等抗炎药物 [判断题]1958年世界上第一起有案可查的计算机犯罪发生( )
A.正确 B.错误 [单选题]《售票系统故障应急处置》中车站无法办理售票、互联网车票换票业务超过()时,由车站值班站长指挥启动应急处置流程,同时向局客运处报告;
A.10分钟 B.20分钟 C.30分钟 D.40分钟 [单选题]在室外构架上工作,在邻近其他可能误登的带电架构上,应悬挂( )的标示牌。
A. “止步,高压危险!” B. “禁止攀登,高压危险!” C. “从此上下!” D.“有电危险!” [简答题]某矿山项目建井工程已完成招标工作,施工单位为保证施工项目的顺利进行,认真地进行了进度控制计划的编制工作。主要包括编制矿井施工组织设计;确定保证总工期目标不被突破的对策措施;确定施工方案;工程进度的动态管理计划;施工总进度计划;工程进度的检查计划;施工总平面图及材料设备的采购供应计划;制定总工期突破后的补救措施等。工程进行过程中,有关单位进行联合检查,发现施工单位一台主要设备未能如期到位,导致总工期拖延15d;矿场方面原因引起较大设计变更,导致总工期拖延30d;由于地下勘探不明,遭遇老空积水,导致总工期拖延45d。(同一工作由不同原因引起的停工都不在同一时问)
问题
1.施工方所进行的进度控制工作是否包含了项目进度控制的整个过程?
2.上述原因导致建井工程拖延多少时间?影响工期的因素属于哪些内容?
3.针对以上因素,可采取哪些赶工措施?
[多选题]遇有下列哪些情况时应立即停用线路两侧高频保护)。1.0分)
A. 高频保护装置故障 B. 线路上有带电作业要求时 C. 系统有稳定要求时 D. 通道检修 [单项选择]
Many Americans harbour a grossly distorted and exaggerated view of most of the risks surrounding food. Fergus Clydesdale, head of the department of food science and nutrition at the University of Massachusetts-Amherst, says bluntly that if the dangers from bacterially contaminated chicken were as great as some people believe, "the streets would be littered with people lying here and there." [单选题]问路式调车,调车指挥人得到进路开通的通知后,应答:( )。
A.“0号明白” B.“明白” C.“知道” D.“0号清楚” [单选题]常伴有呼吸困难与发绀的突发性胸部剧痛或绞痛常见于
A.肺梗死 B.心肌梗死 C.心绞痛 D.胸膜炎 E.肺淤血 [单选题]智能变电站远程巡视()代替现场巡视。
A. 可以 B. 不可以 C. 根据调令 D. 根据领导批准 [单项选择]按飞行弹道特点可分为:()。
A. 弹道式导弹和有翼式导弹 B. 机载导弹和有翼式导弹 C. 有翼式导弹和车载导弹 [判断题]期末可供分配利润将转人下期分配。()
我来回答: 提交
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