热门试题:
[判断题]晶闸管变流装置调试的一般原则为：先单元电路调试，后整机调试；先静态调试，后动态调试；先轻载调试，后满载调试。
A.正确
B.错误
[判断题]高处作业分为2～５Ｍ、５～1５Ｍ、1５～3０Ｍ及3５Ｍ以上四个区段。( )
A.正确
B.错误
[单项选择]商业管理信息系统功能中的商品管理功能包括进行商品库存管理；（）；可随时调出各种所需业务、财务和行政管理资料。
A. 系统维护
B. 进行系统档案维护
C. 收银
D. 进货
[多选题]遇有()时，不准进行起重工作。
A.指挥人员看不清各工作地点
B.大雾
C.起重机操作人员未获得有效指挥
D.照明不足
[单选题](____)函数可以返回逻辑值TRUE。
A.AND(TRUE,TRUE,FALSE)
B.OR(TRUE,TRUE,FALSE)
C.OR(FALSE,FALSE,FALSE)
D.NOT(TRUE)
[单项选择]如果预期物价水平下降，但总需求仍然不变，则（）
A. 物价水平会下降，实际国民生产总值将减少
B. 物价水平会上升，实际国民生产总值也将增加
C. 物价水平会下降，实际国民生产总值将增加
D. 物价水平会上升，实际国民生产总值将减少
[多选题]双块式和轨枕埋入式无砟道床，桥梁地段道床结构由（）等部分组成。
A.双块式轨枕（或长枕）
B.道床板
C.支承层
D.底座及凹槽周围弹性垫层
E.隔离层
[判断题]井、坑、孔、洞或沟（槽），应覆以与地面齐平而坚固的盖板。检修作业，若需将盖板取下，应设临时围栏，并设置警示标识，夜间还应设黄灯示警。
A.正确
B.错误
[单项选择]在工程承包中，承包方工程质量太差，无法满足工程技术上的需求，经业主同意承包商可以( )。
A. 将合同全部分包
B. 将合同部分转让
C. 不履行合同
D. 将工程部分分包
[单选题]某站发生调车冲突，造成直接经济损失98万元，属于铁路交通一般（）事故。
A.A类
B.B类
C.C类
D.D类
[单选题]下面各项不是预防性灌浆作用的是（ ）。
A.泥浆对煤起阻化作用
B.将采空区中的浮煤包裹起来，隔绝空气
C.使自热的煤冷却降温
D.防止了漏风
[单项选择]同时放散有害物质、余热和余湿时，全面通风量应( )计算。
A. 按其中所需最大的空气量
B. 按消除有害物质所需的空气量
C. 按分别消除有害物质、余热或余湿所需的空气量之和
D. 按分别消除有害物质、余热和余湿所需的空气量之和
[多项选择]社会工作者在走访中发现服务对象杨女士正处于精神分裂症康复期，最近她因为失眠而心情烦乱，一直说自己很倒霉，什么不幸的事情都会发生在自己身上，没有工作可以养活自己，担心家人嫌弃，社会工作者在辅导杨女士的过程中，进行了夫妻共同参与的面谈，运用专业方法减轻杨女士的心理压力，还鼓励和推荐其参加社区活动，对其开展压力应对等方面的训练。在此案例中，社会工作者扮演的主要角色有（）
A. 使能者
B. 教育者
C. 治疗者
D. 倡导者
E. 协调者
[简答题]遇有哪些情况应立即将保护装置停用，然后向值班调度员汇报？
[单项选择]微小企业贷款客户一般单户融资总额不超过（）万元。
A. 10.0
B. 50.0
C. 100.0
D. 200.0
[单选题]水准仪视准轴与水准管轴的夹角，DS3级不应超过（）″。
A.10
B.15
C.20
D.25
[单项选择]患者，男性，62岁。因“酒后腹痛伴呕吐1天”住院。查体：左中上腹压痛，肠鸣音正常，血淀粉酶1056U／L，经治疗腹痛等症状一度好转，但逐渐腹胀明显，肠鸣音弱。患者病情变化最可能的原因是（）
A. 继发腹膜炎
B. 胰腺脓肿
C. 肠穿孔
D. 胃肠功能衰竭
E. 电解质紊乱
[单选题]中铁银通卡业务中现金圈存表示（ ）
A.旅客用现金向电子现金账户存入金额
B.旅客用现金向联机账户存入金额
C.旅客从联机账户直接转存到电子现金账户
D.旅客使用现金支付银通卡办理费用
[判断题]道岔出现红光带时，如单股钢轨与夹板或与钢岔枕导通说明工务部门设备不存在隐患，应有电务部门寻找其他原因。
A.正确
B.错误
[多项选择]制谜的要领有（）几点。
A. 取材要广，立意要新
B. 谜面成文，有趣可读
C. 谜底不能相犯
D. 字字有着落
E. 掌握一定的谜格与法门
[单选题]根据车次判定列车种类,45001次是( )货物列车。
A.直通
B.区段
C.摘挂
D.小运转
[单项选择]By saying "These ' temporary' jobs have a habit of becoming permanent", the author means（）.
A. once college graduates take a temporary job, they soon get used to it
B. college graduates have the habit of taking temporary jobs
C. many college graduates might never find jobs for which they are trained
D. college graduates are accustomed to taking permanent jobs
[单选题]用于电气作业书面依据的工作票应一式()份。( )
A.3
B.2
C.4
[单选题]民警张某在安全检查时发现李某携带易爆物品,应当立即(),并通知专业人员到场处置。
A.采取适当的防护措施
B.进行先期处置
C.检查易爆物品
D.向附近的民警求助
[判断题]计算机联锁是由计算机来控制继电电路,使有关的道岔与信号机之间、信号机与信号机之间,建立一种相互联系关系,并实现人-机界面,称为计算机联锁。
A.正确
B.错误
[单项选择]
Text 3
In recent years, railroads have been combining with each other, merging into super systems, causing heightened concerns about monopoly. As recently as 1995, the top four railroads accounted for under 70% of the total ton-miles moved by rails. Next year, after a series of mergers is completed, just four railroads will control well over 90% of all the freight moved by major rail carders.
Supporters of the new super systems argue that these mergers will allow for substantial cost reductions and better coordinated service. Any threat of monopoly, they argue, is removed by fierce competition from trucks. But many shippers complain that for heavy bulk commodities traveling long distances, such as coal, chemicals, and grain, trucking is too costly and the railroads therefore have them by the throat.
The vast consolidation within the rail industry means that most shippers are served by only one Rail Company/Railroads typically charge such "capti
A. shippers will be charged less without a rival railroad
B. there will soon be only one railroad company nationwide
C. overcharged shippers are unlikely to appeal for rate relief
D. a government board ensures fair play in railway business
[单选题]骨损伤后1~2周的功能锻炼重点是()
A.暂不做锻炼
B.健侧肢体带动患肢的手法锻炼
C.患肢肌肉舒缩锻炼
D.患肢骨折的远近关节运动
E.以重点关节为主的全身锻炼
[单选题]Text 2 You would think that the young and digitally intellectual-the generation that grew up with computers at their fingertips-would be the least likely age group to fall victim of online fiaud.But the opposite is true."We've bought into stereotypes about fraud victims-they're usually seen as wlnerable and elderly,or gullible and poorly educated,"says Emma Fletcher,product manager at the BBB Institute."These stereotypes are strongly held-and they are wrong.We are all at risk,but younger and more educated individuals are actually the most likely to be deceived."Similarly,a 2016 report by Norton,the antivirus company,found that 44 per cent of millennials had been the victim of an online crime in the past year,compared with just 16 per cent ofbaby boomers.Research by Barclays this year backs this up.The Barclays Digital Safety Index highlights that almost two thirds of 18-24 year-olds had fallen prey to hackers or viruses.Yet when asked about actions taken to prevent future attacks,millennials were less likely than their older counterparts to take positive action,such as installing an anti-virus software following a computer system collapse.One reason is what is known as"optimism bias"-the idea that other people might be more One reason is what is known as"optimism bias"-the idea that other people might be more vulnerable than you and that you know better.Younger people are usually more knowledgeable about IT than those in the generations above them.But this makes them less likely to heed advice about staying safe,whereas,perhaps surprisingly,older people are more inclined to listen.But this is not the only reason.Younger people spend far more time online.They shop more there（meaning their card details are entered more ofien and stored in many more databases）and they share much more personal information online.According to Ofcom's 2016 Media Use and Attitudes Report,more than 90 pcr cent of those aged 16-34 have social-media accounts.For those aged between 55 and 64,this figure drops t0 51 per cent.For those 65 and over,it's 30 per cent.Interestingly,though,according the Office ofNational Statistics,older people are more likely to be victims ofrepeat fraud.This may be because they tend to be more trusting.Research at the University of California suggests that this isn't just because they grew up in more innocent times.Rather,age-related changes in the brain mean that as people get older,they tend to trust more and question less.27.According to Paragraph 3,the millennials tend to
A.neglect taking measures to protect themselves.
B.misuse anti-virus sofiware on their computer.
C.take positive actions to prevent computer viruses.
D.less likely have their computer system damaged.
[多选题]蓄电池充放电的具体要求包括()
A.充电前检查蓄电池及其连接条的连接情况
B.充电前检查单体电池的初始电压和整组电压,充电期间不得断
C.充电过程中室内不得有明火
D.通风应良好
[判断题]各省（区、市）公司应依托负荷管理技术支持系统，实现用户用电负荷远程监测和控制，可监测负荷不低于本地区最大用电负荷的60%，可控制负荷不低于本地区最大用电负荷的10%。
A.正确
B.错误
[单项选择]礼仪是一种（）
A. 知识体系
B. 行为准则或规范
C. 艺术
D. 经营活动
[判断题]新安装的变压器送电后声音应正常，测量二次电压在允许范围内。
A.正确
B.错误
[单项选择]用Flash MX 2004制作一个动画作品后，当按Ctrl十Enter键后就演示动画。当按（）键后又返回到Flash编辑状态。
A. 按Enter键
B. 按Ctrl+W键
C. Ctrl键
D. 按Ctrl+Shift键
