热门试题:
[单选题]信号装置一般分为()和信号表示器两类。
A.信号机
B.色灯信号机
C.臂板信号机
D.机车信号机
[多选题]每日开工下孔前应检测孔内空气。当存在（ ）时，应首先排除，不得用纯氧进行通风换气。
A.有毒气体
B.有害气体
C.正常气体
D.氧气
[多选题]电客车在区间发生火灾下列做法正确的是（ ）。
A.广播安抚乘客，立即采取紧急制动
B.电客车进站后，按在站台情况处理
C.电客车被迫停在区间后，立即报告行调.广播安抚乘客.施加紧急制动，降下受电弓
D.引导乘客使用灭火器自救，组织其他乘客远离起火位置
[单项选择]用青霉素G治疗钩端螺旋体病时，应注意（）。
A. 首次给予大剂量
B. 首次给予小剂量
C. 与链霉素联合应用
D. 与磺胺嘧啶联合应用
E. 疗程10天以上
[单项选择]20世纪60年代后期，英国政府为幼小衔接问题发布的，并为幼儿教育发展提出许多具体建议的报告是（）
A. 《哈多报告》
B. 《费舍法案》
C. 《普洛登报告书》
D. 《教育白皮书》
[填空题]You might think that hamburgers were invented in the United States, but that is not totally true. These (1) , or patties, actually came from Germany in the middle of the nineteenth century. They were brought to the United States by (2) who came from the city of Hamburg. That is why (3) was "hamburger steak"
However, people in other place (4) that they invented the hamburger. Perhaps we’ll never have a (5) . There’s no question that the hamburger was a (6) . Why Perhaps because at that time, industry was growing and a kind of food was need (7) for workers.
The hamburger became even more popular (8) when the first chain of fast food restaurants was started. This chain was called "White Castle". It served tiny hamburgers that were sold for only (9) . Then, in the 1930s there came the (10) where customers were served in their cars by waiters in uniform. And the hamburge
[单项选择]男性，72岁，因持续性胸痛6小时入院。查体：双肺底有少量湿啰音，诊断为急性心肌梗死。该患者心功能分级为（）
A. NYHA分级Ⅰ级
B. NYHA分级Ⅳ级
C. NYHA分级Ⅱ级
D. Killip分级Ⅱ级
E. Killip分级Ⅲ级
[单项选择]工程上认为R＝25Ω、L=50mH的串联电路中发生暂态过程时将持续（）
A. 30～50ms
B. 37.5～62.5ms
C. 6～10ms
[单选题] 跨区域作战预案不包括( )
A. 中队间的跨区域作战预案
B. 大队间的跨区域作战预案
C. 支队间的跨区域作战预案
D. 总队间的跨区域作战预案
[单选题]各单位严格落实()小时值班制度,提前做好值班人员的安排,确保24小时在岗,及时做好路况收集、处理和报送。
A. 随时
B. 24
C. 12
D. 随机
[单项选择]大腿前群肌肉的支配神经是
A. 闭孔神经
B. 股神经
C. 坐骨神经
D. 阴部神经
E. 胫神经
[单项选择]平刨床的传动方式是（）。
A. 电机直接传动
B. 平皮带传动
C. V带传动
D. 变速箱
[单项选择]We all know that a magician does nor really depend on "magic" to perform his tricks, (31) on his ability to act at great speed. (32) , this does not prevent us from enjoying watching a magician (33) rabbits from a hat. (34) the greatest magician of all time was Harry Houdini who died in 1926, Houdini mastered the art of (35) . He could free him- self from the tightest knots or the most complicated locks in seconds. (36) no one really knows (37) he did this, there is no doubt (38) he had made a close study of every type of lock ever (39) . He liked to carry a small steel needle-like tool strapped to his leg and he used this in (40) of a key. Houdini once asked the Chicago police to lock him in prison. They (41) him in chains and locked him up, but he freed himself (42) an instant. The police (43) him of having used a tool and locked him up again. This time he wore no clothes and there were chains
[简答题]明代家具取得了高度的艺术成就，其设计原理是
[单选题]带电作业工作票签发人应由具有带电作业资格和（）的人员担任。
A.熟悉设备情况
B.实践经验
C.考试合格
D.变电或线路第一种工作票签发人资格
[判断题]全面进行经济体制改革的纲领性文件是中共十二届三中全会通过的《关于经济体制改革的决定》。()
A.正确
B.错误
[单选题]临时存放点的设置,应当同时满足方便作业、方便( )、周边安全的三个要求。
A. 隔离
B. 使用
C. 运送
[判断题]抄表工作的三定指:定抄表人员、定抄表时间、定抄表区段。 ( )
A.正确
B.错误
[单项选择]电动机调速系统的( )是指在规定的运行和使用条件下，施加规定的单位阶跃给定信号，系统实际值第一次达到给定值的时间。
A. 调节时间
B. 响应时间
C. 动作时间
D. 跳变时间
[单项选择]汇率升值将引起______。
A. 国内生产总值增加，贸易收支状况改善
B. 国内生产总值增加，贸易收支状况恶化
C. 国内生产总值减少，贸易收支状况恶化
D. 国内生产总值减少，贸易收支状况改善
[单选题]某正线曲线半径≤250m，用20m弦测量，圆曲线正矢最大最小值差的日常保持容许偏差管理值为（ ）mm。
A.9
B.12
C.15
D.18
E.21
F.24
[判断题]现场勘察应由工作票许可人或工作负责人组织，工作负责人、设备运维管理单位（用户单位）和检修（施工）单位相关人员参加。
A.正确
B.错误
[单项选择]Passage One
In science the meaning of the word “explain” suffers with civilization’s every step in search of reality. Science cannot really explain electricity, magnetism, and gravitation; their effects can be measured and predicted, but of their nature no more is known to the modern scientist than to Thales who first speculated on the electrification of amber. Most contemporary physicists reject the notion that man can ever discover what these mysterious forces “really” are. Electricity, Bertrand Russell says, “is not a thing, like St. Paul’s Cathedral; it is a way in which things behave. When we have told how things behave when they are electrified, and under what circumstances they are electrified, we have told all there is to tell.” Until recently scientists would have disapproved of such an idea. Aristotle, for example, whose natural science dominated Western thought for two thousand years, believed that man could arrive at an understanding of reality by reasoning from self-evid
A. disapproved of by most modern scientists
B. in agreement with Aristotle’s theory of self-evident principles
C. in agreement with scientific investigation directed toward “how” things happen
D. in agreement with scientific investigation directed toward “why” things happen
[单项选择]与普通混凝土相比，轻骨料混凝土更宜用于( )
A. 有抗震要求的结构
B. 水工建筑
C. 地下工程
D. 防射线工程
[判断题]【判断题】杆塔、配电变压器和避雷器的接地电阻测量工作,必须在线路和设备停电的情况下进行。
A.正确
B.错误
[单选题]（ ）级风险作业，县公司级单位专业部门管理人员或相关班组（供电所）负责人应到岗到位。
A.一、二
B.二、三
C.三、四
D.四、五
[判断题]当基床变形由弹形达到塑性变形阶段,就说明基床发生了病害。( )
A.正确
B.错误
[判断题]《安全生产法》的颁布实施，对保障我国的安全生产，防止重、特大事故的发生，保护从业人员的安全和健康，促进国民经济健康、稳步和持续发展提供了法律保障，具有十分重要意义。
A.正确
B.错误
[单选题]咯血伴咳嗽痰量多血色鲜红及量大常见于( )
A.肺癌
B.支气管扩张
C.肺脓肿
D.支原体肺炎
E.肺结核
[多选题]航班计划工作流程中的核心是( )。
A.准备阶段
B.分析阶段
C.制定草案阶段
D.协调阶段
E.实施准备阶段
[单选题]以房屋抵押贷款、房屋及房屋占用范围内的土地使用权（ ）。
A.可以分别抵押
B.应当同时抵押给同一个抵押权人
C.只能将前者设定抵押
D.均应由工商行政管理机关登记
[填空题]His mother’s death when he was aged six _________________(有深刻的影响) on him.
[单项选择]下列哪一种先天性心脏病最常见（）
A. 房间隔缺损及室间隔缺损
B. 二房三腔心
C. 房室通道畸形
D. 法鲁氏四联症
E. 右位心
