热门试题:
[判断题]电力系统中危及电气设备绝缘的电压升高即为过电压。
A.正确
B.错误
[单项选择]细胞外液中重要的是()
A. Na+、Cl-、HCO-3和蛋白质
B. Na+、Cl-、HCO-3
C. Na+、Cl-、HPO-3和蛋白质
D. K+、Na+、MgO-2、HPO2-3、HCO-3和蛋白质
E. Na+、H+、HPO2-3和蛋白质
[判断题]工作许可人确认由其负责的安全措施正确实施。
A.正确
B.错误
[简答题]工作车在离开一个作业轨道区段或结束作业返回时,动车前须向行调报告。
[单选题]出院病人健康指导包括( )
A..用药指导
B.疾病预防、饮食营养、身心健康维护知识指导
C..专科护理技术指导
D..复诊指导
E..以上都是
[判断题]在导线、电气设备、变压器、油开关附近,不得有损坏电气绝缘或引起电气火灾的热源。
[单选题]电荷在单位时间内做的功称为电功率,它的单位是( )。
A.P
B.R
C.A
D.W
[判断题]调节阀和普通阀门一样,是一个局部阻力可以改变的节流元件。
[多选题]关于什么是共产主义的理解有多种说法,下列有几种说法是正确的 ( )
A.是一种科学的理论
B.是在这种理论指导下进行的社会运动或实践
C.是一种未来的社会制度和社会形态
D.是一种空想
[单项选择]
One night this summer, on my way home from work I decided to see a movie. I knew the theatre would be air-conditioned and I couldn’t face my (1) apartment. Sitting in the theatre I had to (2) the opening between the two tall heads in front of me. I had to keep changing the (3) every time she leaned over to talk to him, (4) he leaned over to kiss her. Why do the Americans display such (5) in a public place I thought the movie would help improve my English, but as it (6) , it was an Italian movie. (7) about an hour I decided to give up the movie and (8) my popcorn. I’ve never understood why they gave me so much popcorn! It tasted pretty good, (9) .With time going by, I understood (10) of the romantic sounding Italians. I just heard the (11) of the popcorn chewed between my teeth. My thought started to (12) . I remembered when I was in South Korea, I (13) to watch a host on TV frequently. He seemed like a good friend to me, until I saw him (14) on TV in New York speaking
A. room
B. seat
C. space
D. angle
[单项选择]“机不可失,时不再来”指的是()
A. 时间的连续性
B. 时间的一维性
C. 时间的顺序性
D. 时间的重复性
[单选题]当通过欠电流继电器线圈的电流降低到 额定电流的( )时,继电器即释放复位。
A.20 ﹪
B.65 ﹪
C.90%以下
[简答题]危险化学品安全管理条例》是什么时开始实施的?发布目的是什么?我们企业应该怎么做?
[判断题]OPGW引下光缆与构架构件的最近间距可按不小于20mm。
A.正确
B.错误
[单选题]一切皆可试,大数据分析的效果好坏,可以通过模拟仿真或者实际运行来验证, 这体现大数据思维中的()。
A.定量思维
B.因果思维
C.实验思维
D.相关思维
[多选题]变压器本体构造中的安全保护设施有( )
A.油枕
B.吸湿器
C.净油器
D.压力释放阀
[单项选择]下列哪项对确诊腹部手术后腹腔内出血意义最大( )
A. 腹胀逐渐加重
B. 病人烦躁不安
C. 中心静脉压0.49kPa(5cmHO)
D. 尿量<25ml/h
E. 诊断性腹腔穿刺
[判断题]持有身份证的客户一定是中国税收居民
A.正确
B.错误
[多项选择]质量控制是实现预期质量目标的系统过程,其是在明确的质量目标和具体条件下,通过行动方案和资源配置的计划、实施、检查、监督,进行质量目标的()。
A. 组织和协调
B. 事前预控
C. 事中控制
D. 事后纠偏控制
[单选题]重联动车组列车需 时,由随车机械师负责引导,司机确认并拉开安全距离。
A.维护
B.制动试验
C.解编
D.存放
[多项选择]如果需要在一个三层网络中实现组播数据的转发,至少配置如下协议或功能()。
A. IGMPSnooping功能
B. IGMP协议
C. PIM协议
D. BSR配置
[多选题](多选题)装表接电作业宜在停电下进行。工作人员带电装表接电时,应采取( )的安全措施。
A. 戴低压绝缘手套或帆布手套
B.防止机械伤害
C.防止电弧灼伤
D.防止高处坠落
[多项选择]ICU病房中,病人被感染的原因主要有( )
A. 气管切开、气管插管、胃管
B. 从气管内吸痰时吸管进入气道
C. 静脉置管行全胃肠道外高营养护理操作
D. 防止应激性溃疡常用抗酸药及H2受体阻断剂
E. 正确按六步洗手法认真洗手,必要时戴手套
[判断题]防火墙的构造应使防火墙任意一侧的屋架.梁.楼板等受到火灾的影响而破坏时,不致使防火墙倒塌。( )
A.正确
B.错误
[单选题]低电压指对地电压在()及以下的电压。
A.10kV
B.25kV
C.500V
D.250V
[单项选择]Although "naming rights" have proliferated in American higher education for the past several decades, the phenomenon has recently expanded to extraordinary lengths. Anything to get an extra dollar out of donors is fair game. I know colleges and universities sorely need to raise funds in these times of fiscal constraints, but things have gotten a bit out of hand.
Universities and colleges have long been named after donors-think of Harvard, Yale, Brown, and many others. John Harvard would hardly get a bench named after him today, given the modesty of his gift of books for the library back in the seventeenth century. Now it takes much more to get one’s name on a college. One institution, Rowan University of New Jersey, changed its name (from Glassboro State College) not long ago when a large donation was made. Buildings, too, have been affected. Traditionally, they were named after people such as distinguished scholars or visionary academic leaders; now they’re often named a
A. political leaders
B. wealthy alumni
C. outstanding scholars
D. famous donors
[多选题]其它端部配件和环链出现下列()情况之一时,应更换或报废。
A.链环发生塑性变形,伸长达原长度5%
B.链环之间以及链环与端部配件连接接触部位磨损减小到原公称直径的80%;其它部位磨损减少到原公称直径的95%
C.裂纹或高拉应力区的深凹痕,锐利横向凹痕
D.链环修复后,未能平滑过渡或直径减少量大于原公称直径的10%
[单项选择]下列关于胆汁的描述,正确的是
A. 非消化期无胆汁分泌
B. 消化期时只有胆囊胆汁排入小肠
C. 胆汁中含有脂肪消化酶
D. 胆汁中与消化有关的成分是胆盐
E. 胆盐可促进蛋白质的消化和吸收
[单选题]运行中的220kV电流互感器氢气达到()μL/L时应注意。
A.100
B.200
C.300
D.150
[单选题]根据《固定资产贷款管理暂行办法》,单笔资金支付超过项目总投资的( )且超过50万元(含),或超过500万元人民币时,应采用贷款人受托支付方式。
A.0.05
B.0.1
C.0.15
D.0.2
[单项选择]数据是信息的符号表示或称载体;信息则是数据的内涵,是数据的
A. 语法解释
B. 语义解释
C. 语用说明
D. 用法说明
[单选题]A.药-时曲线下面积
A.稳态血药浓度
B.生物利用度
C.表观分布容积
D.清除率
E.可以用来表示药物在体内分布广窄程度的是
[判断题]根据《电力安全工作规程 风电场》( Q/GDW 10799.5—2017),在停电检修作业中,开断或接入绝缘导线前,应做好防感应电的安全措施。
A.正确
B.错误