热门试题:
[单选题]安全生产监督管理部门和负有安全生产监督管理职责的有关部门逐级上报事故情况，每一级上报时间不得超过（）。
A.4小时
B.1小时
C.3小时
D.2小时
[单选题]迅速调派抗洪抢险前置驻勤力量.专业力量（省级救援队.支队级救援队.站级救援分队.机动突击力量以及( )力量到场实施救援，视情调集社会应急力量协同救援
A.战勤保障
B.后备
C.进攻
D.灭火
[多选题]面对百年未有之大变局，知识更新周期大大缩短，大学生要有本领不够。能力不足的紧迫感，自觉( )
A.加强学习
B.勤奋探索
C.勇于实践
D.全面发展
[单选题].下图是货车轮对的剖视图,其中“6.”所指的是( )。
A.辐板
B.轮毂
C.轮毂孔
D.轮座
[单选题]相对湿度大于（）的天气，若需进行带电作业，必须采用具有防潮性能的绝缘工具。
A.60%
B.70%
C.80%
D.90%
E./
F./
G./
H./
[单选题]列车制动管定压为600kPa时，最大有效减压量为（ ）。
A.140kPa
B.150kPa
C.170kPa
[单选题]到（）的订立为止，庞杂的不平等条约体系已宣告中国半殖民地社会的完全形成。
A.《天津条约》
B.《北京条约》
C.《马关条约》
D.《辛丑条约》
[单项选择]
At the International Snow Sculpture Championships in Colorado on January 21, people will carve the white stuff into art. Planning begins months before the first snow falls. Teams submit applications and sketches of their sculptures in July. Then, a panel of judges chooses 14 teams for the championship. The rules are simple: Electric tools are not allowed. Teams carve snow with everything but the results are not entirely in the sculptors’ hands. "If it is extremely sunny and warm," De Wall, the competition’s director of public relations, explained. "We will erect old sails from sailboats into the air to block the sun from melting the sculptures." "If is snows," she continued, "teams have to work extra hard to scrape (刮掉) the new snow off their work." The judges look for creativity, technical skill, and overall impact on the viewer. The winner does not receive any money. "There is no cash prize because the event began with th
A. After the first snow falls in Colorado.
B. Once they submit their applications.
C. Before their sculptures are sketched.
D. As soon as the judges have chosen the teams.
[单选题]液化气充装时必须使用( )。
A.秤
B.超装时自动切断秤
C.电子秤
[判断题]在梯子上使用电气工具，应做好防止感电坠落的安全措施。( )
A.正确
B.错误
[判断题] 齿轮泵的结构简单、工作可靠、扬程高而而且流量大,可用于输送粘稠液体以及膏状物。( )
A.正确
B.错误
[单选题]电动机绕组干燥过程中，绕组温度逐渐稳定，在恒定温度下，绝缘电阻保持在( )以上数值不变化，干燥工作即可认为结束。
A.1h
B.2h
C.3h
D.12h
[单项选择]导致外部风险事件发生因素主要包括客户因素、电力因素、（）、不可抗力等因素。
A. 通讯因素
B. 系统因素
C. 设备因素
D. 客观因素
E. 市场因素
[判断题]直接经验来源于实践，但是间接经验、书本知识则并不来源于实践。 ( )
[单选题]《普速行规》规定：如司机汇报不能确定异物是否影响邻线行车，车站值班员按列车调度员指示立即通知邻线尚未经过该地点的首列列车司机限速（ ）km/h注意运行，限速位置原则上按司机汇报故障地点前后各2km确定。司机应注意观察接触网设备状态。
A.80
B.60
C.40
D.20
[单选题]根据《变电安规》，进行心肺复苏法时，如有担架搬运伤员，应该持续做心肺复苏，中断时间不超过（ ）s。
A.5
B.10
C.30
D.60
[判断题]事故调查组应当自事故发生之日起60日内提交事故调查报告。
A.正确
B.错误
[单项选择]病人道德义务是（）。
A. 具有独立作出诊断和治疗的权利以及特殊干涉权
B. 对病人义务和对社会义务的统一
C. 绝对干涉权
D. 保持和恢复健康，积极配合医疗，支持医学科学研究
E. 支持医学科学研究
[判断题]事物的发展是从量变开始的，在量变的过程中，事物所处状态是相对静止的。（ ）
A.正确
B.错误
[判断题]2.()在交流放大器中引入负反馈可以稳定静态工作点、放大倍数、输出电压和输出电流。
A.正确
B.错误
[单选题]依据《安全生产法》的有关规定,()负责安全生产强制性国家标准的立项.编号.对外通报和授权批准发布工作。
A.省级人民政府
B.国务院应急管理部门
C.国务院标准化行政主管部门
D.市级人民政府
[判断题]按测试方式划分，中途测试可分为常规测试和跨隔测试两种。
[单选题]使用客列尾的旅客列车，尾部加挂客车不得超过 （ ）辆。
A.20
B.5
C.3
D.2
[单项选择]功率比较限值为（）。
A. 100
B. 200
C. 300
[单选题]幼儿( )后仍不自主排尿为遗尿症。
A.2岁
B.3岁
C.4岁
D.5岁
[判断题]复议机关履行行政复议职责，应当遵循的合法、公正、公开、及时、便民原则，坚持有错必纠，保障法律、法规的正确实施。（）
A.正确
B.错误
[单选题]犯罪嫌疑人左某伙同“葫芦”(在逃)将刘某、荷某、文某3名未成年人带到外地,组织3名未成年人实施抢夺行为。刘某不愿上街实施抢夺行为,犯罪嫌疑人左某便对其进行殴打,后刘某逃离左某并带领公安民警将犯罪嫌疑人左某抓获。左某的行为构成()。
A.故意伤害罪
B.寻衅滋事罪
C.组织未成年人进行违反治安管理活动罪
D.拐骗儿童罪
[单项选择]以色列人在什么时候来到了迦兰蒂（）。
A. 公元前12世纪
B. 公元前14世纪
C. 公元前16世纪
D. 公元前18世纪
[单选题]中间站停留车辆的防溜方法是拧紧两端车辆人力制动机并以（ ）牢靠固定之。
A.铁鞋
B.脱轨器
C.枕木头
D.片石
[单项选择]甲欲杀乙，故意将装好子弹的枪支交给丙，并骗丙说是空枪，叫丙向乙瞄准恐吓乙，结果乙中弹身亡。甲、丙( )。
A. 构成共同犯罪
B. 不属于共同犯罪
C. 以共同过失犯罪论处
D. 甲不构成犯罪
[判断题]08—32捣固车传动轴有三种结构:定长万向传动轴、过桥传动轴和长度可伸缩万向传动轴。 ( )
A.正确
B.错误
[单选题]某城市桥梁设计安全等级为二级,结构的重要性系数 0 取值为( )
A.1.10
B.1.05
C.1.00
D.0.90
[单选题]重组后借款主体偿债能力低于原借款主体的属于（）贷款
A.违规重组
B.风险增加
C.无效重组
D.风险减少
[单选题]自燃物品的危险特性,不包括下列哪一项( )。
A.遇空气自燃性
B.本身或燃烧产物有毒
C.遇湿易燃易爆性
D.积热分解自燃性
[单项选择]"＄ 160 for a parking ticket! I’m calling city hall about this. There must be some mistake." Nick thought (36) . "Yes, sir, there is a mistake," said the man at the city hall," (37) I’m afraid the mistake’s (38) . This ticket was for ＄20. However, the fine doubles every 30 days. It has been 90 days, so the (39) is now ＄160. You will have to pay that." Nick had the ＄20 and he (40) to pay the fine. But for some reason the ticket had gotten (41) in his pile of papers and unopened letters.
Nick had always been a (42) person. In the past six months, he had (43) to pay his electricity bill, (44) his jacket at the cleaner’s too (45) and had to pay for the "storage". A job application form he had filled out was never (46) because it, too, was in one of his piles. "Get organized, man," his brother advised. "Plan what you (47) do, do it, and then (48) to be sure you’ve done it right."
Nick
A. lea
B. sent
C. bought
D. wasted
