热门试题:
[判断题]牵引、电力变配电所控制室，应采取防雷措施，设置机房专用空调。
A.正确
B.错误
[单选题]大量不保留灌肠的目的不包括（ ）
A.解除便秘
B.清洁肠道
C.为高热病人降温
D.稀释和清除肠道内有害物质
E.灌注肠道杀菌剂
[单项选择]全球通亲情号码一共可以设置几个？（）
A. 1
B. 2
C. 3
D. 4
[单项选择]What's the reason for Dr. Jeol Hiderbrand's interest in chemistry
A. His chemistry teacher was a great teacher.
B. His parents taught him chemistry when he was very young.
C. He was born in a time young people had greater freedom to decide what they wanted to do.
D. His talents were greater than his chemistry teacher.
[单项选择]Even plants can run a fever, especially when they’’re under attack by insects or disease. But unlike humans, plants can have their temperature taken from 3,000 feet away-straight up. A decade ago, adapting the infrared scanning technology developed for military purposes and other satellites, physicist Stephen Paley came up with a quick way to take the temperature of crops to determine which ones are under stress. The goal was to let farmers precisely target pesticide (杀虫剂) spraying rather than rain poison on a whole field, which invariably includes plants that don’’t have pest (害虫) problems.
Even better, Paley’’s Remote Scanning Services Company could detect crop problems before they became visible to the eye. Mounted on a plane flown at 3,000 feet at night, an infrared scanner measured the heat emitted by crops. The data were transformed into a color-coded map showing where plants were running "fevers"; Farmers could then spot-spray, using 40 to 70 percent less pesticide than the
A. estimate the damage to the crops
B. measure the size of the affected area
C. draw a color-coded map
D. locate the problem area
[填空题]司机在调车作业中应时刻注意确认信号,没有信号(指令)不准动车,信号(指令)不清( )。
[多选题] 以下哪种原因可能造成道岔无表示。()
A.卡缺口
B.安全接点断开
C.三相电机线圈断线
D.二极管击穿
[多选题]接触网作业车司机必须熟悉行车安全装备的（），正确设置运行控制设备控制模式。
A.基本结构
B.技术性能
C.工作原理
D.运用状态
[多选题]以下哪些属于营销线损管理工作稽查大纲中台区线损监测水平检查内容？A.业扩现场进度是否与系统同步
B.台区关口是否全覆盖
C.公变、高低压用户日均采集成功率是否达到要求
D.异常工单处置准确率是否达到要求
A.A
B.B
C.C
D.D
[多选题]横向距两线路任一线路中心不大于（ ）mm，纵向距道岔定位大于（ ）m。
A.、200
B.、350
C.、3.0
D.、4.0
[判断题]质量监督员应具有高级以上职称,了解检验工作目的、熟悉检验方法和程序,以及懂得如何评定检验结果,每个部门至少配备一名质量监督员。( )
A.正确
B.错误
[单选题]选择测量仪器时,最大被测值一般不宜大于选用仪器最大量程的( )
A.70%
B.80%
C.90%
D.100%
[单选题]对照平台已开工现场，检查视频监控设备开启、电量和视角等情况，对于无法有效显示现场作业环境的，电话通知（）调整视频监控设备位置和角度。
A.安全监护人
B.现场负责人
C.项目负责人
D.工作许可人
[单选题]晶振在单片机系统中的作用非常大，它结合单片机电路，产生单片机所必须的时钟频率，单片机一切指令的执行都建立在这个基础上。晶振提供的（），那单片机的运行速度越快。
A.频率恒定
B.频率越高
C.频率越低
D.电压越大
[单选题]往复压缩机排气量降低的原因不可能是( )。
A. 活塞环损坏
B. 活塞与气缸间隙小
C. 余隙太大
D. 出口压力高
[单项选择]税收调节社会总供求关系是通过（）实现的。
A. 自动稳定机制
B. 相机抉择机制
C. 自动稳定机制和相机抉择机制
D. 自动稳定机制和收入调节机制
[单项选择]
The United States is usually given credit for creating and developing the musical comedy as it is known today. The first musical shows were based (1) everyday American life and the (2) development of the form took place in the United States for more than half a century. (3) the early 1970s, (4) , the London theater has (5) the Broadway stage.
The Black Crook, which opened at Niblo’s Garden in New York City on Sept. 12, 1866, is usually (6) as the inspiration for musical comedy. A troupe of French ballet dancers (7) to be stranded in New York without work (8) a fire damaged the theater (9) they had been booked. In order to keep a (10) to them, the theater producer put the dancers into a melodrama written by Charles M. Barres.
The first stage production that was (11) a musical comedy was a show that was (12) from the Prince of Wales Theater to the Gaiety
A. thought
B. considered
C. mentioned
D. meant
[单选题](28505)XFD型单元制动器最大闸瓦间隙调整长度为( )mm。(1.0分)
A.115
B.125
C.135
D.145
[多选题]中共“二大”制定的民主革命纲领包括( )
A.打倒军阀
B.推翻帝国主义压迫
C.实现共产主义
D.统一中国为真正的民主共和国
[单选题]以下哪种情况的改扩建工程物资应纳入公开招标采购
A.常规工程：
同一项目单位同一单项工程下同一电压等级的组合电器和母线估算金额之和小于200万元
B.常规工程：
单项工程下同一电压等级的开关柜（箱）、母线和开关柜小车估算金额之和小于200万元；
C.特高压、抽水蓄能等重点工程（必须提供支撑性文件）：
同一项目单位同一单项工程下同一电压等级的组合电器和母线估算金额之和小于1000万元；
D.特高压、抽水蓄能等重点工程（必须提供支撑性文件）：
同一项目单位同一单项工程下同一电压等级的开关柜（箱）、母线和开关柜小车估算金额之和大于1000万元；
[单项选择]有意义接受学习论的提出者是（）。
A. 布鲁纳
B. 奥苏伯尔
C. 加涅
D. 苛勒
[单选题][00337]躯体运动最基本的反射中枢在:( )
A. 大脑
B. 中脑
C. 延髓
D. 脊髓
E. 下丘脑
[单选题]具有行气调中止痛功效的药物是
A.柿蒂
B.薤白
C.乌药
D.香附
E.木香
[单项选择]施工合同实施偏差处理中，根据合同实施偏差分析的结果，承包商应该采取相应的调整措施，包括组织措施、技术措施、经济措施和合同措施，以下属于技术措施的是( )。
A. 变更技术方案
B. 采取经济激励措施
C. 增加人员投入
D. 采用新的高效率的施工方案
[单选题] 依据《中国南方电网有限责任公司电气操作导则》（Q/CSG 125008—2016）第3.3.2.3条规定：( )是指断路器在继电保护及安全自动装置动作或在操作过程中拉合控制开关并发出指令的情况下拒绝动作。
A.断路器跳闸
B.断路器拒动
C.断路器偷跳
D.断路器误动
[多项选择]指出下列正确的
A. 1两=30g
B. 1钱=3g
C. 1分=0.3g
D. 1两=40g
E. 1钱=4g
[单项选择]_______, follow the directions on the bottle carefully.
A. When taken drags
B. When drugs are taken
C. When takes drags
D. When taking drags
[单选题]STM-N信号一帧的字节数为（ ）。
A. 9×270×N
B. 9×261×N
C. 9×270
D. 9×261
[简答题]怎样处理 TYJL-Ⅱ型计算机联锁系统联锁机和监控机以外的故障？
[多选题]大批量生产时，对供应商质量控制的特点包括（）。
A.产品质量稳定
B.要求供货及时
C.价格低
D.有一定库存
[判断题]馈线自动化是指利用自动化装置或系统，监测配电线路的运行状况，实现配电线路的故障定位、故障隔离和恢复非故障区域供电
A.正确
B.错误
[单选题]在电气化铁路上，电力机车是利用（）作为牵引电流的回路的。
A.钢梁
B.道床
C.钢轨
D.轨枕
[多项选择]OSSRNO包括（）
A. NCS
B. MRR
C. NOX
D. FAS
