热门试题:
[单选题]大型养路及施工机械作业，如施工机械不超出机车车辆上部限界，且作业人员及所持机具与接触网带电部分保持（ ）m以上距离时，接触网可不停电。
A.1
B.2
C.3
D.4
[单选题]根据《国家电网有限公司配电网规划管理办法》要求，( )承担地市配电网规划报告编制工作，具体编制市辖区配电网规划。
A.地市发展部
B.地市经研所
C.县级公司发展部
D.地市运检部
[不定项选择题]患者，男，63岁，在田间喷洒农药时出现咳嗽、呼吸困难，随后全身肌肉痉挛，伴头晕头疼，继而出现昏迷，现场人员将患者急送医院。查体：血压90/60mmHg，呼吸24次／分，角膜反射消失，瞳孔缩小如针尖大，两肺满布湿啰音。
护士对该病人的处理不妥的是
A.立即脱去病人的外衣
B.反复用肥皂水清洗皮肤、头发和指甲缝隙
C.立即用清水反复洗胃
D.持续鼻导管给氧
E.根据医嘱给予阿托品和氯解磷定
[单项选择]关于肾动态显像的说法，错误的是（）。
A. 肾动脉栓塞可见病肾不显影
B. 有助于尿路梗阻的定位
C. 注射时应采用快速注射
D. Captopril试验能增强血管紧张素转换酶（ACE.的作用，使GFR或ERPF下降，提高肾性高血压检出率
E. 可用于移植。肾的观察
[判断题]湘潭市组织机关党员干部带头开展每周的“联点共建”志愿者活动，发挥其在文明城市创建工作中的示范作用，巩固共建成果，推进文明城市创建活动常态化，形成共建共创共享文明城市的良好局面。
[单选题]干扰通道的( )要尽可能小些。
A.放大系数
B.积分时间
C.微分时间
D.滞后时间
[单项选择]Despite the Clear-cut technological advantages, the railroad didn’t become the primary means of transportation for nearly 20 years after the first pioneering American railroads were introduced in the early 1830s. Besides the stiff competition of water transport, an important hindrance to railroad development was public antipathy, which had its roots in ignorance, conservatism, and vested interest. People thought that speeds of 20 to 30 miles per hour would be physically harmful to passengers. Many honestly believed that the railroad would prove to be impractical and uneconomical and would not provide service as dependable as that of the waterways.
Unsurprisingly, the most vigorous opposition to railroads came from groups whose economic interests suffered from the competition of the new industry. Millions of dollars had been spent on canals, rivers, highways, and plank roads, and thousands of people depended on these transportation enterprises for their livelihood. Tavern keepers f
A. Both municipal and state governments were in favor of railroads.
B. Both state and federal governments gave support to railroads.
C. State governments went against federal governments on building railroads.
D. Municipal governments reserved their right to disagree with state governments.
[判断题]空压机间、变电间、木工间、电焊间、汽车库、存车场、料库、易燃易爆物品存放间等有关生产场所及明火作业处所，必须备齐消防器材，非遇火警，严禁动用。
A.正确
B.错误
[多选题]目前和路通智能后视镜销售渠道包括（）。
A.京东商城;
B.中国移动网上商城;
C.省公司渠道;
D.终端公司渠道
E.略
F.略
G.略
[多选题]指挥机车向显示人方向稍行移动的调车手信号的显示方式为()。
A.昼间为拢起的红色信号旗直立平举,再用展开的绿色信号旗左右小动
B.夜间为绿色灯光下压数次后,再左右小动
C.昼间为拢起的红色信号旗直立平举,再用展开的绿色信号旗上下小动
D.夜间为绿色灯光下压数次后,再上下小动
[单选题]危险源辨识是为了明确所有可能产生或诱发事故的不安全因素，辨识的首要目的是为了对危险源进行（ ）。
A.事故后辨识
B.预先控制
C.了解
D.消除
[单项选择]某钢铁公司铁矿石原料主要依赖进口，下列各项中，属于其市场风险的是（ ）
A. 产品风险
B. 信用风险
C. 流动性风险
D. 汇率风险
[单选题]从事隔离开关倒闸作业人员按要求其安全等级不得低于( )级。
A.二
B.三
C.四
D.五
[单选题]延长聚合反应时间主要是（）
A.提高转化率
B.降低转化率
C.提高聚合釜温度
D.降低聚合釜温度
[单选题]在给水自动三冲量中,( )是前馈信号,它能有效的防止由于“虚假水位”而引起调节器的误动作,改善蒸汽流量扰动下的调节流量。
A.汽包水位
B.给水流量
C.蒸汽流量
[多项选择]（）黛玉初进贾府，最流行的是哪两种年龄说法？
A. 六七岁
B. 七八岁
C. 八九岁
D. 九岁
E. 十三岁
[判断题] ( )为了保证预加氢反应器下部仍有足够的有效氢分压，应使反应器入口氢油比高于规定的氢油比一定值。
A.正确
B.错误
[单选题] 高柱正线进站信号机的建筑界限是( )
A.1875mm
B.2440mm
C.1725mm
D.2150mm
[判断题]食品安全标准是推荐性的标准,企业可以根据需要自愿采纳。( )
A.正确
B.错误
[单选题]事故的直接责任者是指( )。
A.与事故有必然因果关系的人
B.公司法人
C.项目经理
D.工长
[判断题]紧急照明时，将断开一半的客室照明电源。（ ）
A.正确
B.错误
[判断题]同级单位(部门)或上下级单位之间公款宴请不属于违规公款吃喝。( )
A.正确
B.错误
[判断题]工程项目安全管理目标的制定一定要由项目负责人亲自过问，亲自布置，亲自落实（ ）
A.正确
B.错误
[判断题]CTCS3 级列控系统车载设备启动时首先要进行系统自检，以确认设备是否有效，自检不包括测试常用制动命令能否正确输出。( )
A.正确
B.错误
[单项选择]以下关于寨卡病毒病临床表现错误的是（）
A. 寨卡病毒病的潜伏期现有资料显示为3-12天
B. 人感染寨卡病毒后，仅20%出现症状，且症状较轻，主要表现为发热、皮疹
C. 症状持续2-7天，重症与死亡病例多见
D. 小儿感染病例还可出现神经系统、眼部和听力等改变
[单项选择]Mrs White gave music lessons at a school. She had a good voice, (36) some of her high notes sounded like a door that (37) oiling. Mrs White knew her (38) well, and took every (39) she could find to practise these high notes. As she (40) a small house, she could not practise (41) disturbing the rest of the family. So she usually went for long walks (42) the country road. But (43) she heard a car or a person (44) along the road, she stopped practising. She did not want to be heard, (45) she was very shy.
One afternoon, a fast open car came up behind her so (46) and so fast that she did not hear it (47) it was only a few yards from her. She (48) some of her highest and (49) notes at that time. As the car passed, she saw an anxious (50) come over its driver’s face. He stopped his car suddenly, (51) out and began to examine all the tyres
A. excellent
B. clearest
C. most difficult
D. easiest
[单选题]垂直于地面架设的电偶极子天线的远区辐射场最大辐射方向与地面成（ ）。
A.0°
B.30°
C.60°
D.90°
[多选题]根据化学试剂的纯度，含杂质含量的多少，国内将化学试剂分为四级，分别是( )。
A.优级纯试剂
B.分析纯试剂
C.化学纯
D.实验或工业试剂
E.生物试剂
[单选题]大电流接地系统中，任何一点发生单相接地时，零序电流等于通过故障点电流的（____）倍。
A.2
B.1.5
C.44199
D.44201
[单项选择]What are they talking about
[A] Family. [B] Language. [C] Music.
[判断题]使用摇表测量线路绝缘时,应通知巡线人员后方可进行。
A.正确
B.错误
[单选题]西方式插花基本构图形式为规整的（ ）图形。
A. 几何
B. 树状
C. 云状
D.水状
[单选题]3.可以同时检测多种元素的原子吸收光谱仪成为.。
A.双光束原子吸收光谱仪
B.多道原子吸收光谱仪
C.单光束原子吸收光谱仪
D.单道原子吸收光谱仪
[单选题]96号文规定： 自2013年8月l起,对前12个日历月所有持有有效的训练合格证的客舱乘务员平均年飞行时间超过()小时，以及存在计划排班时违反飞行时间、休息期、执勤期规定的航空公司，3个月内局方将不再批准引进新飞机。
A.850
B.900
C.950
D.800
[判断题]中国特色社会主义理论体系,是马克思主义中国化最新成果,是党最可宝贵的精神财富,是全国各族人民团结奋斗的共同思想基础。( )
A.正确
B.错误
[单选题]国家对病原微生物实行（ ）管理。
A.分群
B.分级
C.分类
D.分别
[单项选择]Everybody here is busy ______ Christmas and buying Christmas presents.
A. looking for
B. taking care of
C. getting ready for
