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[不定项选择题]库内动车前,必须确认( )后,方可动车。
A.两侧安全
B.库门开启
C.道口安全
D.客室灯开启

热门试题:

[单项选择]

Steamships were first introduced into the United States in 1807, and John Moison built the first steamship in Canada(then called British North America)in 1809. By the 1830s dozens of steam vessels were in use in Canada. They offered the traveler reliable transportation in comfortable facilities--a welcome alternative to stagecoach travel which at the best of times could only be described as wretched. This commitment to dependable river transport became entrenched with the investment of millions of dollars for the improvement of waterways, which included the construction of canals and lock systems. The Lachine and Welland Canals, two of the most important systems, were opened in 1825 and 1829, respectively. By the time that Upper and Lower Canada were united into the Province of Canada in 1841 ,the public debt for canals was more than one hundred dollars per capita, an enormous sum for the time. But it may not seem such a great amount if we consider that improvements allowe
A. It was reasonably comfortable.
B. It was extremely efficient.
C. It was not popular.
D. It was very practical.

[多选题]泛在电力物联网的建设目标主要是充分应用“大云物移智链”等现代信息技术、先进通信技术,实现电力系统各个环节万物互联、人机交互,大力提升数据自动采集、自动获取、灵活应用能力,对内实现( ),对外( ),适应社会形态、打造行业生态、培育新兴业态,支撑“三型两网”世界一流能源互联网企业建设。
A.“数据一个源、电网一张图、业务一条线”
B.“一网通办、全程透明”
C.广泛连接内外部、上下游资源和需求
D.打造能源互联网生态圈
[单项选择]维吾尔族女性多在宽袖连衣裙外套( )对襟背心,现多穿西装上衣和裙子。
A. 黑色
B. 红色
C. 粉色
D. 蓝色
[填空题]
{{B}}Lessons from the 1918 Flu{{/B}}
The last time a now influenza virus reached pandemic levels was in 1968, but the episode was not significantly deadlier than a typical had fin season. Few people who lived through it even knew it occurred. Still, it killed 34,000 Americans. The 1918 pandemic was far more lethal. It killed 675,000 Americans at a time when the U.S. population was 100 million. Fifty million to 100 million people purished worldwide in the 1918 pandemic, according to Nobel laureate F. Macfarlane Burnet. The flu killed more people in 24 weeks than AIDS has ’killed in 24 years. The difference in the death toll between 1918 and 1968 had little to do with such medical advances as antibiotics for secondary bacterial infections. The 1968 virus was simply much less virulent. But it wasn’t just the virus. As with Hurricane Katrina, some of the deaths in 1918 were the government’s responsibility. Surgeon Gene
[单项选择]关于神经调节辅助通气模式,叙述错误的是()。
A. 呼气末正压对膈肌电活动有较大的影响
B. 可用于撤机过程
C. 可预防通气的过度辅助
D. D.需要设置的参数为神经调节辅助通气(NAV支持水平
E. 膈肌电活动水平降低时,压力支持水平增加
[多选题]根据《建设工程安全生产管理条例》规定,对于采用新结构、新材料、新工艺的建设工程和特殊结构的 建设工程,设计单位应当在设计中提出( )的措施建议。
A. 保证施工进度
B. 保障施工作业人员安全
C. 保证工程质量
D. 预防生产安全事故
E. 保障资金投入
[单选题]隔热服能瞬间接近的最高温度为( )℃
A.900
B.800
C.700
D.600
[单选题]教师反思自身素质问题时错误做法是( )。
A.学生用心努力够不够
B.教学目标确定是否过高
C.学生学法是否可以改动
D.知识传授方法是否恰当
[判断题]热闷装置严禁积水、积渣,清理积渣,要求一人清理,一人在地面监护。
[填空题]化工生产过程的“三废”是指废水、废气、()。
[判断题]在串联电路中某电阻的阻值大,则其上的压降大,它消耗的电功率也大。
A.正确
B.错误
[判断题]信息是经过加工的数据,它对接收者的行为能产生影响,它对接收者的决策具有价值。( )
[单选题] 试验表明底座下加设木垫板(厚5cm,长200cm)时,可将地基土的承载力提高( )倍。
A.3
B.5
C.7
[简答题] Here is a story I’’d like to share; A butcher watching over his shop is really surprised when he saw a dog coming inside the shop. He shoos him away. But later, the dog is back again. So, he goes over to the dog and notices he has a note in his mouth. He takes the note and it reads " Can I have 12 sausages and a leg of lamb, please The dog has money in his mouth, as well." The butcher looks inside and there is a ten dollar note there. So he takes the money and puts the sausages and lamb in a bag, placing it in the dog’’s mouth. The butcher is so impressed, and since it’’s about closing time, he decides to shut up shop and follow the dog. So off he goes. The dog is walking down the street when he comes to a level crossing. The dog puts down the bag, jumps up and presses the button. Then he waits patiently, bag in mouth, for the lights to turn. They do, and he walks across the road, with the butcher following him all the way. The dog then comes to a bus
[判断题]多普勒频移是指发射器发射的超声波信号的频率与接收器收到的信号的频率之差。
[判断题]照明消防车主灯完全开启,完全点亮后不要对其直视,防止灼伤眼睛。( )
A.正确
B.错误
[单选题]1号线二期PIS系统,车站站厅LCD屏安装采用( )方式。
A.吊装
B.壁挂
C.镶嵌墙体
D.以上都不是
[单选题]患者,男,15岁。诊断为急性肾炎。为配合治疗,适宜的饮食为:
A.高蛋白、低脂肪饮食
B.高蛋白、低盐饮食
C.低蛋白、低脂肪饮食
D.低蛋白、低盐饮食
E.低蛋白、低胆固醇饮食
[单项选择]发动机轴承腔封严空气来自()。
A. 压气机引气
B. 涡轮引气
C. APU引气
D. 冲压空气
[多项选择]《建设工程设计合同(示范文本)》中,适用于民用建设工程设计的合同,其主要条款包括( )。
A. 委托设计任务的范围和内容
B. 发包人应提供的有关资料和文件
C. 项目投资要求
D. 双方的责任
E. 工程用地规划
[单选题]排一条发车进路需按压()按钮。
A.1个
B.2个
C.2至3个
D.4个
[简答题]简述剪报工作有什么作用?
[简答题]车轮发生啃道后有哪些表面形式?
[多选题]商圈的级别划分包括()
A.超级商圈
B.核心商圈
C.次级商圈
D.边缘商圈
[单选题] NGQP22《内部审核管理程序》规定对内审员应从学历、( )、审核经历等方面进行能力评定,评定合格后方能担任。
A.工作经验
B.专业能力
C. 质量管理培训
D.A+B+C
[单项选择]下列有关租赁期现金流量的折现率采用方法的表述中,正确的是()。
A. 有担保债券的税后成本
B. 加权平均资本成本
C. 股权资本成本
D. 无风险利率
[多选题]多选G.IS专业软件的要素包括( )。
A. 地理数据输入、工具
B. 空间数据库管理工具
C. 空间查询、分析、可视化表达
D. 图形用户界面
[单项选择]( )主要适用于测定那些定时重复的循环工作的工时消耗,是精确度比较高的一种计时观察法。
A. 测时法
B. 写实纪录法
C. 工作写实法
D. 动作研究法
[单选题]验收资料至少应保留一个()周期。
A.A.检修
B.B.试验
C.C.维护
D.D.竣工
E.略
F.略
G.略
[单选题]雨淋阀组具备接通或关闭系统的供水和( )等功能。
A.安全检测
B.监测供水压力
C.装置泄压
D.安装水雾喷头
[判断题]1.放大电路引入负反馈后,放大倍数将要降低。
A.正确
B.错误
[单项选择]直接定购方式一般不进行产品的质量和价格比较,是一种()采购方式。
A. 竞争性
B. 合理性
C. 公正性
D. 非竞争性
[多选题]外桥和内桥相比较,适宜采用内桥接线的条件是()。
A.电源线路较长,线路故障机会较多;
B.电源线路较短,线路故障机会较少;
C.主变压器不需要经常投切;
D.主变压器需要经常投切,如应对I夜负荷大的变化。
[单选题]有一个交流电路,供电电压为U=100V,频率为f=50Hz,负载由电阻R和电感L串联而成,已知R=30Ω,L=128mH。则负载电流I=(____)A。
A.0.78
B.1.42
C.1.99
D.3.33
[单项选择]据《社会生活环境噪声排放标准》,社会生活环境噪声测量应在无雨雪、无雷电天气,风速为()以下时进行。
A. 2m/s
B. 3m/s
C. 4m/s
D. 5m/s
[判断题]线路车间应根据集团公司下达的年度计划编制年度分月维修计划。
A.正确
B.错误
[多选题]按照我国目前规定,银保监会主要职责包括_______。( )
A.制定有关银行业金融机构监督管理的规章制度和办法
B.对银行业金融机构实行现场和非现场监管
C.指导部署反洗钱工作
D.审批银行业金融机构及分支机构的设立.变更.终止及业务范围
E.监督管理银行间外汇市场
[简答题]生产、储存危险化学品的单位,应当在其作业场所和安全设施、设备上设置明显的( )。

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