热门试题:
[单选题]在已停电的断路器和隔离开关上的操作把手上挂()标示牌,防止运行人员误合断路器和隔离开关。
A.禁止合闸,有人工作
B.在此工作
C.止步,高压危险
[单选题]设随机变量X~N(1,32),则P(X>1)=( )。
A.0
B.0.5
C.0. 9
D.1
[判断题]消防水泵宜采用自灌式吸水或其他可靠的引水措施。
A.正确
B.错误
[单选题]配电线路和设备的高压试验应填用()。在同一电气连接部分,许可高压试验工作票前,应将已许可的检修工作票全部收回,禁止再许可第二张工作票。
A.高压试验工作票
B.配电第一种工作票
C.配电第二种工作票
D.带电作业工作票
E.略
F.略
[判断题]正线是指连接车站或直股伸入车站的线路。
A.正确
B.错误
[判断题]钻速明显下降,产生闷响,有时停钻,原因是工作风压低。()
[单选题]对于列入追缴名单的车辆,收费公路经营管理单位按照( )有关规定执行。
A.《收费公路管理条例》
B.《河南省高速公路条例》
C.《收费公路联网收费技术要求》
D.《公路安全保护条例》
[多选题]总队及支队级单位根据评定权限成立“技术等级评定考评组”,组织实施考核, . . .考核分别占总分的40%.30%.30%。按技术等级结构比例择优晋级。( )
A.技能
B.思想
C.体能
D.理论
[单选题]在没有脚手架或者在没有栏杆的脚手架上工作,高度超过( )时,应使用安全带,或采取其他可靠的安全措施。
A.1m
B.1.5m
C.2m
D.3m
[判断题]在配电装置上,接地线应采用三相短路式接地线,若使用分相式接地线时,应设置三相合一的接地端。
A.正确
B.错误
[单项选择]患者男,68岁。间断咳嗽、咳痰10余年,活动性气短2年。曾行胸片检查示:双肺纹理增粗、紊乱,膈肌低平。吸烟史40年,1包/日,已戒3年。心电图改变强烈提示慢性肺源性心脏病的是()
A. P波增宽,有切迹
B. 右束支传导阻滞
C. V1~V4导联ST-T改变
D. 胸前导联顺钟向转位
E. V5~V6导联ST段压低
[单项选择]Our surroundings are being polluted faster than ever and it seems that people cannot prevent it. Time is bringing us more people, and more people will bring us more industry, more cars, larger cities, and the growing use of man-made materials.
What can explain and settle this problem The fact is that pollution is caused by man—by his desire for a modern way of life. We make "increasing industrialization" as our first aim. So we are often ready to offer everything: clean air, pure water, good food, our health and the future of our children. There is a constant flow of people from the country-side into the cities, eager for the achievements of our modern society. But as our technological achievements have grown in the last 20 years, pollution has become a serious problem.
Isn’t it time we stopped to ask ourselves where we are going—and why It makes one think of the story about the pilot who told his passengers over the loudspeaker," I’ve some good news and some bad news. The go
A. With the development of technology, pollution has become a serious problem.
B. We should control the speed of the development to stop pollution.
C. It’s time we did something to reduce pollution.
D. As industry is growing fast, pollution is the natural result.
[判断题]安全网使用3个月时间后,必须进行绳的强度试验。( )
A.正确
B.错误
[单项选择]An industrial society, especially one as centralized and concentrated as that of Britain, is heavily dependent on certain essential services: for instance, electricity supply, water, rail and road transport, and harbors. The area of dependency has widened to include removing rubbish, hospital and ambulance services, and, as the economy develops, central computer and information services as well. If any of these services ceases to operate, the whole economic system is in danger.
It is this economic interdependency of the economic system which makes the power of trade unions such an important issue. Single trade unions have the ability to cut off many countries’ economic blood supply. This can happen more easily in Britain than in some other countries, in part because the labor force is highly organized. About 55 percent of British workers belong to unions, compared to under a quarter in the United States. For historical reasons, Britain’s unions have tended to develop along trade a
A. British Trade Unions and Their Drawbacks.
B. A Centralized and Concentrated Society.
C. The Power of Trade Unions in Britain.
D. The Structure of British Trade Unions.
[单选题]“春蚕到死丝方尽,蜡炬成灰泪始干”是唐代诗人李商隐的著名诗句,下列关
于该诗句中所涉及物质的说法错误的是()
A.蚕丝的主要成分是蛋白质
B.蚕丝属于天然高分子材料
C.“蜡炬成灰”过程中发生了氧化反应
D.古代的蜡是高级脂肪酸酯,属于高分子聚合物
[单项选择]关于移植排斥反应,下列哪点是错误的()
A. 超急性排斥反应唯一的治疗措施是再移植
B. 急性排斥反应主要是由T细胞的免疫反应所致
C. 慢性排斥的免疫损伤主要表现为血管内皮损伤
D. 超急性排斥反应是由细胞免疫介导的
E. 急性排斥反应经治疗后有可能逆转
[判断题]出售商品小车可以从站台上推行。
A.正确
B.错误
[单选题]HXD2型电力机车停放制动缓解信号在微机显示屏内显示是( )。
A.1970A
B.655
C.1970C
[单项选择]——He does not like music, does he——______
[简答题]二级动火工作票由工作票签发人签发,工区安监人员、消防人员审核,工区领导批准
[判断题]判断题轧账单首页应分别注明各类凭证张数。
A.正确
B.错误
[判断题]2.15 车辆管理所应当严肃考试纪律,规范考场秩序,对考场秩序混乱的,应当中止考试。
A.正确
B.错误
[多选题] 计算机机房的出入口大门、外窗必须具备()功能。
A.防抢、
B.防砸
C.防盗
[单项选择]对由境外发货人责任造成残损短缺或品质等问题的法检货物,需要换货、退货或赔偿的,()可作为通关免税或者退税的重要凭证。
A. 检验检疫机构出具的证书
B. 税务部门出具的证明
C. 公证行出具的证明
D. 代理报检单位地要求的期限
[单项选择]由于端口太脏而引起的端口故障可以在电源关闭后,用()清洗端口。
A. 清水
B. 开水
C. 福尔马林
D. 酒精棉球
[判断题]基础起支撑建筑物的作用,把建筑物的荷载传给地基。( )
A.正确
B.错误
[单选题]I类电能表至少每()月现场检验一次( )
A.6个
B.8个
C.3个
D.12个
[单项选择]用于电渣压力焊的焊剂在使用前,须经恒温烘熔( )h。
A. 2~3
B. 1~2
C. 2
D. 1
[单选题]当其他条件不变时,提高回转真空过滤机的转速,则过滤机的生产能力( )。
A.提高
B.提高
C.不变
D.不一定
[多选题]我行具有最高10万消费免息额度的卡种( )。
A.精英信用卡
B.心想信用卡3.0
C.尊享白金信用卡
D.金鹿个人公务卡"
[填空题]Alternative sentencing is considered only good for young offenders.
[单选题]下列关于行政处罚听证程序的表述中,正确的是( )。
A.听证程序适用于所有行政处罚案件
B.要求听证的当事人必须亲自参加听证
C.要求听证的当事人不承担行政机关组织听证的费用
D.行政机关可以指定行政处罚案件的调查人员主持听证
[单项选择]标志着西方古代社会终结、中世纪到来的历史事件是( )
A. 西哥特帝国灭亡
B. 西罗马帝国灭亡
C. 东罗马帝国灭亡
D. 日耳曼帝国灭亡
[多项选择]常见的网络攻击类型包括()?
A. 蠕虫
B. 病毒
C. ddos攻击
[判断题]跨区间无缝线路应采用60kg/m及以上钢轨。
A.正确
B.错误
[填空题]在设有出站(进路)信号机的线路,列车头部不得越过(#########)。
[单选题]( )是电网安全运行的最后一道防线。(0.5分)
A.电网调频
B.电网调电
C.电网黑启动
D.以上都不是
[多选题]操作风险涉及的领域广泛,形成原因复杂,其诱因主要可以从内部因素和外部因素两个方面来进行识别。从内部因素来看,包括()引起的操作风险。
A.系统
B.流程
C.组织结构
D.外部欺诈
E.经营场所安全性