热门试题:
[判断题]全面依法治国总目标是建设中国特色社会主义法治体系，建设社会主义法治国家。
A.正确
B.错误
[判断题](3280)( )RGH20C型道岔打磨列车打磨单元锁闭是由气缸控制的。（ ）
A.正确
B.错误
[简答题]DHCP的作用是什么，如何让一个vlan中的DHCP服务器为整个企业网络分配IP地址？
[多选题]操作中发生疑问时（ ）。
A.应立即停止操作，并向值班调度员或值班负责人报告，弄清问题后，再进行操作
B.不准擅自更改操作票
C.不准随意解除闭锁装置
D.可以涂改三处
[判断题]生产经营单位发生生产安全事故后，事故现场有关人员应当立即报告本单位负责人。
A.正确
B.错误
[单项选择]Task 5
Why don’t birds get lost on their long flights from one place to another Scientists have puzzled over this question for a long time. Now they’re starting to fill in the blanks. Not long ago, experiments showed that birds use the sun to guide them during daylight hours. How do birds fly at night Tests with artificial stars have proved that certain night- flying birds are able to follow the stars in their long-distance flights.
A dove had spent its lifetime in a cage and had never flown under a natural sky. But it had an inborn ability to use the stars for guidance. The bird’s cage was placed under an artificial star-filled sky. The bird tried to fly in the same direction as that taken by his outdoor cousins. Any change in the position of the artificial stars caused a change in the direction of his flight.
But the stars are apparently their main means of navigation. When the stars are hidden by clouds, they apparently find their way by such
A. other experimenters
B. the other doves of the same brood
C. doves under the natural sky
D. other birds in general
[判断题] 进入绝缘安装盘柜的有金属铠装保护的电缆,应一端接地,另一端浮空,不能与柜体框架连接。( )
A.正确
B.错误
[多选题]我党惩治腐败的方针是:( )。
A.标本兼治
B.综合治理
C.惩防并举
D.注重预防。
[判断题]在路基内埋设电缆前,施工单位必须与工务段联系,明确安全措施和责任,并签订协议后方可施工。( )
A.正确
B.错误
[单选题]《关于培育和践行社会主义核心价值观的意见》指出,( )是公民个人层面的价值准则。( )
A.富强、民主、文明、和谐
B.自由、平等、公正、法治
C.尊老、爱幼、勤俭、团结
D.爱国、敬业、诚信、友善
[多项选择]房地产价格评估机构由被征收人协商选定，协商不成的，通过多数决定、随机选定等方式确定，具体办法由（）制定。
A. 国务院
B. 住房和城乡建设部
C. 省
D. 自治区
E. 直辖市
[单选题]1.82 摩托车打刻的车辆识别代号字高应不小于_______mm，深度应不小于_______mm。
A.7，0.3
B.7，0.2
C.5，0.3
D.5，0.2
[单选题]夏季使用电动液压工器具时应防止暴晒，其液压油油温不得超过（）℃。
A.65
B.70
C.75
D.80
[单选题]哪些行为是导致赤潮的原因（）
A.大气污染
B.海水养殖
C.植树造林
D.飞机噪音
[判断题]装置其他配置文件的改变不应影响本装置发布/订阅的配置，装置的发布/订阅信息以CID文件为准
A.正确
B.错误
[判断题]钢轨打磨作业时,采用钢轨打磨列车进行预防性打磨和修理性打磨时, 应与大型养路机械维修捣固作业配套,安排在捣固作业前进行。
A.正确
B.错误
[单项选择]男性，35岁。近3个月来活动后心悸、气短，不能胜任体力劳动，且有少尿、下肢水肿。体检：心脏扩大，心尖部可闻Ⅱ级收缩期杂音，心电图示：V～V5T波倒置。X线胸片示心影增大，心胸比>60%。以下辅助检查对诊断最有帮助的是（）
A. 超声心动图
B. 动态心电图
C. 同位素、心肌灌注显像
D. 血沉
E. 心肌酶
[单选题]国家烟草专卖局可以( )省级烟草专卖局签发烟草专卖品准运证。
A.授权
B.委托
C.指示
D.授权或者委托
[多选题]最优潮流可以进行哪些优化？（）。
A.有功
B.频率
C.无功
D.电压
[填空题]负责实施医疗美容项目的主诊医师，必须同时经过医疗美容专业培训或进修并合格，或已从事医疗美容临床工作（）以上。
[单项选择]患儿，男，8岁。查体合作，跛行步态明显，左髋屈曲、外展、外旋位畸形，左下肢肌肉萎缩，肌力减弱。
该患儿如果需要手术治疗应采用的术式为
A. 闭孔神经前支切断术
B. 髂腰肌切断术
C. 髂胫束和大腿外侧肌间隔松解术
D. 股直肌切断术
E. 内收肌切断术
[多选题]下列属于行政处罚的是()
A.责令限期改正
B.暂扣驾驶证
C.暂扣物品
D.没收非法经营的音像制品
[判断题]营销服务场所应根据情况，选配相应灭火器。
A.正确
B.错误
[判断题]2.277. 第277题电缆网DTU终端,不能通过TV取电。
A.正确
B.错误
[单选题]电力线路发生故障时,要求继电保护装置尽快切除故障称为继电保护的( )
A.选择性
B.快速性
C.可靠性
D.灵敏性
[判断题]滚动轴承由外圈、内圈、滚体、和支架组成。 （ ）
A.正确
B.错误
[判断题]探水地点不必要安设专用电话。( )
A.正确
B.错误
[单选题]小丽是小学一年级新生，入学一个多月后每天放学回家都说自己肚子疼。妈妈带她到医院检查后没有找到任何病因。于是向社会工作者小秦求助。小秦计划依据生态系统理论探索小丽的家庭与学校之间的互动关系，这是小丽生长环境的()系统。
A.微观
B.宏观
C.外部
D.中观
[多项选择]全麻下恶性高热可能与下列哪些药物有关（）
A. 氟烷
B. 甲氧氟烷
C. 琥珀胆碱
D. 乙醚
E. 硫喷妥钠
[判断题]起吊重物前，应检查吊机吊钩安全舌销。( )
A.正确
B.错误
[单项选择]Lisa was running late. Lisa, 25, had a lot to do at work, plus visitors on the way : her parents were coming in for Thanksgiving from her hometown. But as she hurried down the subway stairs, she started to feel uncomfortably warn. By the time she got to the platform, Lisa felt weak and tired—maybe it hadn’t been a good idea to give blood the night before, she thought. She rested herself against a post close to the tracks. Several yards away, Frank, 43, and his girlfriend, Jennifer, found a spot close to where the front of the train would stop. They were deep in discussion about a house they were thinking of buying. But when he heard the scream, followed by someone yelling, "Oh, my God, she fell in!" Frank didn’t hesitate. He jumped down to the tracks and ran some 40 feet toward the body lying on the rails. "No! Not you!" his girlfriend screamed after him. She was right to be alarmed. By the time Frank reached Lisa, he could feel the tracks shaking and see the light coming. The train wa
A. When the train was leaving.
B. After she was back on the platform.
C. After the police and fire officials came.
D. When a man was cleaning the blood from her head.
[单选题]装有转换锁闭器，电动、电液转辙机的道岔，当第一连接杆处（分动外锁闭道岔为锁闭杆处）的尖轨与基本轨间、心轨与翼轨间有（ ）mm及以上水平间隙时，不能锁闭或开放信号机。
A.4
B.5
C.6
D.2
[单选题]带电断、接架空线路与空载电缆线路的连接引线应采取消弧措施，不得直接带电断、接。断、接电缆引线前应检查相序并做好标志。10kV空载电缆长度不宜大于3km。当空载电缆电容电流大于（）时，应使用消弧开关进行操作。
A.0.1A
B.0.2A
C.0.5A
D.1A
[单项选择]紫外线消毒的照射时间为（）。
A. 15分钟
B. 30分钟
C. 60分钟
D. 120分钟
E. 180分钟
