热门试题:
[单选题]高处作业禁止将工具及材料上下投掷,应用绳索栓牢传递,以免打伤下方作业人员或击毁脚手架。
A.正确
B.错误
C.略
D.略
E.略
F.略
[简答题]钢轨超声波探伤仪垂直线性误差不大于<--NRC-->%。
[单选题]溃疡用制剂不得检出
A.酵母菌
B.真菌
C.霉菌
D.活螨
E.金黄色葡萄球菌
[单选题]滑轮直径尺寸选择与钢丝绳的( )有关。
A.方向
B.型号
C.角度
D.直径
[单项选择]横轴上,正态曲线下从μ-2.58σ到μ的面积为()
A. 99%
B. 45%
C. 99.5%
D. 47.5%
E. 49.5%
[单项选择]汉唐时代称泄泻为
A. 濡泄
B. 洞泄
C. 注泄
D. 飧泄
E. 下利
[单项选择] People living on parts of the south coast of England face a serious problem. In 1993, the owners of a large hotel and of several houses discovered, to their horror, that their gardens had disappeared overnight. The sea had eaten into the soft limestone cliffs on which they had been built. While experts were studying the problem. The hotel and several houses disappeared altogether, sliding down the cliff and into the sea.
Erosion of the white cliffs along the south coast of England has always been a problem but it has become more serious iii recent years. Dozens of homes have had to be abandoned as the sea has crept farther and farther inland. Experts have studied the areas most affected and have drawn up a map for local people, forecasting the year in which their homes will be swallowed up by the hungry sea.
Angry owners have called on the Government to erect sea defenses to protect their homes. Government surveyors have pointed out that in most cases, this is impossible. Ne
A. house agents along the coast do not support the idea
B. it is too costly and will endanger neighboring areas
C. the government is too slow in taking action
D. they will be easily knocked down by waves and currents
[单项选择]To safeguard the operator and other personnel working on or near a hoisting operation which of the following precautions should be observed?()
A. Keep a load on the hoist until all personnel are finished working
B. Set the load on a movable dolly when transportation may be needed
C. Have one man keep a hand on the load to steady it
D. Insure that the lifting gear capacity is not exceeded
[单选题]起动机驱动齿轮与止推环之间的间隙调整方法有( )、调整电磁开关与驱动端盖间的垫片厚度、调整拨叉偏心轴销等几种。
A.调整挡圈
B.调整安装螺栓
C.调整活动铁芯螺杆
D.调止推垫片
[判断题]LKJ“通用模式”转入“万吨模式”条件(以下三个条件必须全部满足方可转入):(1)设定的列车种类为本务货物列车;
(2)停车状态;
(3)在屏幕显示器模式选择窗口中选择“万吨模式”。
A.正确
B.错误
[判断题]易燃固体是指燃点低,对热、撞击、摩擦敏感,易被外部火源点燃,燃烧迅速,并可能散发出有毒烟雾或有毒气体的固体,包括已列入爆炸品的物质。( )
A.正确
B.错误
[单选题]自动刹车工作要求( )
A.正常防滞刹车系统无故障;
B.主起落架小车倾斜压力;
C.减速板手柄拉起;
D.左右液压系统压力。
[单选题]通信调度及电路运行维护单位在发现故障或接到故障申告后,应立即派人到现场处理,不得以任何借口( )。如因通信故障处理不及时,造成继电保护、安全自动装置、稳定控制系统(装置)误动或延误调控机构对电网运行、操作和事故处理的指挥,将按有关规定对相关单位和人员进行责任追究。
A. A.推诿、扯皮
B.B.推诿、拖延
C.C.推脱、延误
D.D.阻挠、拖延
[单选题]与电话访问法相比,入户访问法的特点是()。
A.时间短
B.不受语言交流的影响
C.调杳有深度
D.费用低
[单选题]《党章》规定,党员必须密切联系群众,向群众宣传党的主张,遇事同群众商量,及时向党反映群众的意见和要求,维护。 ( )
A.群众的正当利益
B.群众的全部利益
C.群众的利益
D.群众的所有利益
[单选题]探伤检测中因故暂停探伤作业时,如续探则应退后( )重复探伤。
A. 25cm
B. 50cm
C. 0.5m
D. 1m
[单项选择]当室内地面均为实铺时,外墙墙身防潮层在室内地坪以下( )mm处。
A. 88
B. 66
C. 60
D. 52
[多选题]多项选择题卫星宽带流量型(企业版)产品目前主要针对航空领域,面向航空公司提供流量批发,满足各航空公司民航机队空中、、后向业务运营的数据传输及的需求
A.接入互联网
B.企业专网
C.PSTN
D.其他电信增值服务"
[多项选择]对分包单位资格审核应包括的基本内容()。
A. 施工许可证
B. 安全生产许可文件
C. 类似工程业绩
D. 营业执照
E. 企业资质等级证书
[单选题]进行线路起道作业时看道者应俯身在标准股上,一般情况下距起道机的距离为( )。
A.10~20m
B.20~30m
C.30~40m
D.40~50m
[判断题]( )无缝道岔应以单组或相邻多组一次锁定的道岔及其间线路为管理单元。
A.正确
B.错误
[单项选择]在旋流器其余条件不变的情况下,溢流口直径,可()实际分选密度。
A. 基本不变
B. 不确定
C. 增大
D. 降低
[单项选择]
Passage Two
Last month, the public address system at Earl’s Court subway station in London was ordered to get the noise down. Passengers, it seems, had had enough of being told the blindingly obvious: "Stand back or the train will run you over." "Don’t lean on the doors." "Stand back from the opening doors." "Do this." "Don’t do that."
Bossiness is not just aural. It is also written. As a commuter, I’m continually bombarded by notices on car walls. "Please take your feet off the seat." "Please turn down your personal stereo." And when I drive past the local primary, a sign flashes: "School. Slow down!"
The presumption behind these signs is that Britons must have everything spelled out because we are low, uncivilized people who were raised by wolves.
Britain didn’t use to be so bossy. When I was a boy, for instance, the loca
A. Television should play a role in enhancing public morals.
B. The local government has got involved in the church activities.
C. The governments want to make themselves more authoritative by bossing people.
D. The rise in bossiness has helped the improvement of people’s behavior.
[多选题]旅客列车空调失效需组织旅客换乘或疏散时,可根据不同场景,采取( )等处置方式。
A.机车救援
B.动车组救援
C.换乘至热备动车组
D.换乘至其他旅客列车、停运
[单选题][T]A-B-558 4 2 3
工业管道施工图的识图顺序首先看施工( )。
A.工艺流程图
B.平面图
C.剖面图
D.总说明
[单选题] 产后子宫底每日下降约( )
A.1~2cm
B.2~3cm
C.3~4cm
D.4~5cm
E.5~6cm
[多选题]在空气相对湿度较大时,进行电力设备预防性试验,造成测量值与实际值差别的主要原因有:()。
A.感应电压的影响
B.水膜的影响
C.电场畸变的影响
D.电晕的影响
[多项选择]与其他大多数服务行业相比,旅游企业的业务特点主要包括()。
A. 服务性
B. 产品交付地点的固定性
C. 季节性
D. 相互依赖性
E. 高固定成本
[单选题]根据心理辅导的目标,可以将心理辅导分为发展性辅导和( ) 。
A.治疗性辅导
B.调适性辅导
C.主体性辅导
D.群体辅导
[多选题]企业生产物流的主要环节有()。
A.原材料的采购
B.原材料的储存
C.生产转换过程
D.产成品的储存
E.产成品的销售
[单选题]专利申请人在接到专利局驳回专利申请通知后( )内可以向专利复审委会请求复审。
A.3个月
B.6个月
C.1个月
[判断题]停电将造成设备损坏的用户负荷属于二级负荷。
A.正确
B.错误
[单选题]系统对扰动信号的响应能力也称作扰动指标,如( )。
A.振荡次数、动态速降
B.最大超调量、动态速降
C.最大超调量、恢复时间
D.动态速降、调节时间
[单选题]《架空输电线路无人机巡检技术》中,小型旋翼无人机在( )作业环境下,搭载有效荷载的无人机巡检系统(含电池)具备起飞、悬停、降落和续航功能。①低温;②高温;③模拟高海拔;④低温和模拟高海拔综合。
A.①②③
B.①②④
C.①③④
D.②③④