热门试题:
[单项选择]What can be inferred about the baggage boys
A. They could earn much, but they must work hard.
B. Many of them earned their money in a dishonest way.
C. They were all from poor families.
D. They were all thin, young boys.
[判断题]放线、紧线与撤线工作前均应检查放线、紧线与撤线工具及设备是否良好。
A.正确
B.错误
[填空题]输配电价按“合理成本、合理盈利、依法计税、(____)”的原则制定，以有利于引导电网投资、完善电网结构，促进区域电力市场的建立和发展，满足国民经济和社会发展的需要。
[单选题]下列(____)不属于SF6断路器的优点。
A.断口耐压高
B. 遮断故障电流的次数多
C.抗污染能力强
D.便于解体检修
[单选题]统计法是由国家制定的关于统计活动的（ ）。
A.统计制度
B.发展规划
C.行为准则
D.统计方案
[单选题]燃烧是一种放热发光的( )。
A.化学反应
B.物理反应
C.光电反应
D.分解反应
[多选题]在信息系统上的工作，应按下列哪些方式进行( ).
A.填用信息工作票
B.填用信息工作任务单
C.使用其他书面记录
D.按口头、电话命令执行
[判断题]《沈阳铁路局站场区间作业人身安全防护规定》列车上水、机车车辆检修、货物装卸、车号核对、货物检查、道岔清扫、线路除冰除雪等作业人员在邻线来车时，必须停止作业并在安全地点避车。
A.正确
B.错误
[单项选择]入警大学生岗前培训时间为（）。
A. 半年
B. 一年
C. 一年半
D. 两年
[单选题]架空输电线路的电纳和导线之间几何平均距离的关系为( )。
A.几何平均距离越大,电纳越大;
B..几何平均距离越大,电纳越小;
C..输电线路的电纳与几何平均距离无关;
D..改变导线之间的几何平均距离可以明显改变线路的电纳。
[多选题]BIM应用中，属于设计阶段应用的是()。
A.净高分析
B.能量分析
C.碰撞检测
D.数字化加工
E.施工图设计
[单选题]上消化道出血患者仅有黑便，估计每天出血量至少是
A.10～20ml
B.20～30ml
C.50～100ml
D.250～300ml
E.>400ml
[单项选择]To call something "marginal" means it is not very good. Farmers have their own way to (47) marginal land: It is the last to be planted under good conditions, and has the (48) to be avoided under poor conditions. Low (49) soil is not the only reason land could be considered marginal. It might be in an area where rainfall is (50) or where a hillside might rise too steeply (陡峭地).
There are uses for marginal land, however. Most often it is used as grassland. Grasses provide excellent (51) for grazing (吃草) animals like cattle, sheep and goats. Grass seed can be bought from a foreign supplier or (52) grasses can be used. However, using marginal land for grazing is not a simple issue. There is a (53) of overgrazing. Cattle can damage the crops by eating down to the roots. Also, the weight of the animals crushes the soil and can make it too hard for growing. A(n) (54) way to reduce the harm is to move animals from one field to another. This method is known as rotational g
[单选题]使用配网勘测APP到网络信号不好的地方进行勘测，需要在APP的（）中提前下载离线地图。
A.工程
B.编辑
C.桩位
D.设置
[单项选择]The outside world begins "creeping into schools" when children first make subject choices means that______
A. children begin to become interested in careers possibly open to them
B. children know what they are good at, science or arts
C. children start to make constant contact with careers officers
D. children start to be concerned with what occupations they will be able to obtain
[单项选择]Everyone, it seems, has a health problem. After pouring billions into the National Health Service, British people moan about dirty hospitals, long waits and wasted money. In Germany the new chancellor, Angela Merkel, is under fire for suggesting changing the financing of its health system. Canada’s new Conservative Prime Minister, Stephen Harper, made a big fuss during the election about reducing the country’s lengthy medical queues. Across the rich world, affluence, ageing and advancing technology are driving up health spending faster than income.
But nowhere has a bigger health problem than America. Soaring medical bills are squeezing wages, swelling the ranks of the uninsured and pushing huge firms and perhaps even the government towards bankruptcy. Ford’s announcement this week that it would cut up to 30,000 jobs by 2012 was as much a sign of its "legacy" health-care costs as of the ills of the car industry. Pushed by polls that show health care is one of his main domestic
A. America’s health system has its strengths and weaknesses
B. the US government pays medical bills for the poor and the elderly
C. some 46 million Americans do not have medical insurance
D. Europeans benefit a lot from America’s medical research
[填空题]设树T的度为4，其中度为1、2、3和4的结点个数分别是4、2、1和1，则T中叶子结点的个数是 【3】 。
[单选题]闸板防喷器的锁紧过程：防喷器关闭后，（ ）旋转防喷器两侧顶丝达规定圈数（现场以实际测量圈数为准），直至锁紧到位。
A.顺时针
B.逆时针
C.先顺时针后逆时针
D.先逆时针后顺时针
[单选题]《中国铁路上海局集团有限公司重点旅客服务标准》的通知(上铁客〔2018〕243号)规定：老年旅客是指（）岁以上的老年旅客。
A.60
B.65
C.70
D.75
[多项选择]《国务院关于加快发展现代保险服务业的若干意见》，发展现代保险业的基本原则是（）。
A. 一是坚持市场主导、政策引导
B. 二是坚持改革创新、扩大开放
C. 三是坚持完善监管、防范风险
D. 四是坚持完善服务、提高水平
[单选题]损伤后引起塌肩的肌（ ）
A.膈
B.胸大肌
C.前锯肌
D.斜方肌
E.胸锁乳突肌
[单选题]依据《中国南方电网有限责任公司电力安全工作规程》(Q/CSG 510001—2015)第5.3.8条规定:在厂站的带电区域内或邻近带电导体附近,禁止使用金属梯子;搬动梯子、管子等长物应将其放倒后,宜由( )搬运,并与带电部分保持足够的安全距离。
A.一人
B.两人
C.多人
D.机械
[单选题] 防止毒物危害的最佳方法是( )。
A.穿工作服
B.佩戴呼吸器具
C.使用无毒或低毒的代替品
D.戴口罩
[判断题]银行业金融机构与劳务代理机构签订协议直接从事金融业务 的工作人员可以不受《银行业金融机构从业人员职业操守指引》的约束( )
A.正确
B.错误
[填空题]
潮湿的酸式盐A与化合物B在研碎里研磨时，会生成C、D两种气体和固体E，C遇盐酸时冒白烟，D在空气中燃烧产生浓烟，且有一种生成物与E的高温分解产物F相同，C与F混合后通入CaCl2溶液会生成白色沉淀E，请回答：
C与F的混合气体通入CaCl
2溶液中生成E的离子方程式：______。
[单选题]遥信信息用来传送断路器、隔离开关的（）
A.动作状态
B.机械状态
C.位置状态
D.运行状态
[单选题]电气试验作业前，必须规范设置硬质安全隔离区域，向内悬挂“止步，高压危险!”的警示牌。设专人监护，严禁非作业人员进入。（ ）
A.A-正确
B.B-错误
C.略
D.略
E.略
F.略
G.略
[简答题]She believed__________(她最大的不幸在于没有孩子)．
[单选题]道岔木枕的面宽是( )mm。
A.A、160
B.B、180
C.C、200
D.D、220
[单选题]在激发个体努力工作的动机因素中，不属于外源性动机的是（ ）。
A.社会地位
B.奖金报酬
C.避免惩罚
D.实现潜能
[单选题]心房与心室在心表面的分界标志是( )
A.前室间沟
B.后室间沟
C.冠状沟
D.房间沟
E.室间隔
[单选题]在城市轨道交通网络中,同种制式的线路实现列车过轨运行,一般通过线与线之间的（）来实现。
A.正线
B.联络线
C.存车线
D.车场线
[单选题]T06A02 HCl解析塔的塔顶压力控制为（ ）MPa
A.0.30±0.02
B.0.35±0.02
C.0.80±0.02
D.0.90±0.02
[单项选择]（）年，国家宣布：粮食、棉花取消统购，改为合同定购。
A. 1980
B. 1982
C. 1985
D. 1990
[判断题]进路解锁可分为：列车正常解锁，人工取消进路及区段强行解锁。
[单选题]多油断路器（ ）不合格，试验数据严重超标，无法继续运行的定为危急
缺陷。
A.分合闸线圈电阻
B.分合闸线圈操作电压
C.分合闸线圈短路电流%
D.分合闸弹跳
[单选题]1.2对查验不合格的,机动车登记服务站应当向机动车所有人或者代理人_______查验不合格原因。
A.一次性头口告知
B.书面告知
C.一次性书面告知
D.无需告知
