热门试题:
[判断题]变压器主磁通基本不随负载电流变化而变化。
A.正确
B.错误
[判断题]地铁列车上可燃气/液体泄漏时司机应了解可燃气体/液体泄漏情况,迅速向行调、就近车站报告;若列车驾驶室有登乘人员的,司机应立即通知登乘人员到现场确认。
A.正确
B.错误
[单项选择]以下关于文员管理好时间的说法,哪一个是不正确的?()
A. 定好目标,把想做或需要做的事情写下来
B. 想办法加快处理邮件、信件和其他反复出现的事务
C. 开始工作之前要做好准备工作,就不会因遗忘某事而中途停顿
D. 把零散工作安排在安静、有效的时间段里去做
[单项选择]羊水过少是指在妊娠晚期羊水量少于
A. 300ml
B. 500ml
C. 600ml
D. 700ml
E. 800ml
[单项选择]煤矿生产“三大规程”是:《煤矿安全规程》、()、《技术操作规程》。
A. 煤矿技术规程
B. 行业规程
C. 作业规程
[多选题]某220kV变电站开展#2主变102开关回路测试工作,工作许可人并未同工作负责人进行安全交代,就直签名接许可工作。工作负责人李三在主控楼旁的通道向作业人员进行安全交代后、立即进行#2主变102开关回路测试工作后,完工后走到#2主变变中2M母线1022刀闸底座下,发现1022刀闸有异常,李三将绝缘梯放置在B、C相之间,爬上#2主变变中2M母线1022刀闸支架(刀闸靠母线侧带电),李三在右手伸向刀闸B相母线侧刀头过程中,与带电部位安全距离不足引起放电,李三被电弧击伤。
工作许可手续签名前,工作许可人应对工作负责人李三就工作票所列安全措施( )进行安全交代。完成许可手续后,工作班组方可开始工作。
A.实施情况
B.带电部位
C.注意事项
D.作业人员
[单项选择]The first man who cooked his food, instead of eating it raw, lived so long ago that we have no idea who he was or where he lived. We do know, however, that (1) thousands of years, food was always eaten cold and (2) . Perhaps the first cooked food was heated accidentally by a (3) fire or by the molten lava form an erupting (4) . No doubt, when people first tasted food that had been cooked, they found it tasted better. However, (5) after this discovery, cooked food must have remained a rarity (6) man learned how to make and control fire (7) .
Primitive men who lived in hot regions could depend on the heat of the sun (8) their food. For example, in the desert (9) of the southwestern United States, the Indians cooked their food by (10) it on a flat (11) in the hot sun. They cooked pieces of meat and thin cakes of corn meal in this (12) . We can surmise that
A. volcano
B. cave
C. mountain
D. valley
[单选题]任何人发现有违反本规程的情况,应立即制止,经( )后方可恢复作业
A.上级领导同意
B.处罚
C.批评教育
D.纠正
[多项选择]工程监理规划是在监理工程师充分分析和研究工程项目的( )以及参与工程建设各方的情况后制定的指导工程项目监理工作的实施方案。
A. 技术
B. 管理
C. 目的
D. 规划
E. 环境
[单选题]以下关于石墨烯材料,说法正确的是()。
A.石墨烯是目前世界上最薄的材料
B.石墨烯的导热效果虽然不如硅材料,但其坚固性比目前任何其他材料都好
C.石墨烯是由海姆和诺沃肖洛夫制备出的,并使其于当年获得诺贝尔物理学奖
D.石墨烯为粒子物理学的研究提供了很好的平台
[单选题]图形设计创意思维的基本程序第一步是( )
A.研究设计任务
B.确定主题思想
C.选择表达方式
D.选取设计素材
[判断题]视觉信号的基本颜色是红、黄、绿、蓝四种。
A.正确
B.错误
[判断题]有人触电时应迅速切断电源开关或用绝缘钳、木柄斧切断电源线,或用绝缘物将触电者与带电体迅速分开。( )
A.正确
B.错误
[填空题]特殊情况下需经过洗车线进行调车作业时,限速 通过。
[多项选择]以下属于德国产品安全认证GS特点的是()
A. 自愿认证
B. 由经德国政府授权之独立之第三方进行检测并核发GS标志证书
C. 必须交年费
D. 无需进行工厂审查
[单选题]( )年,成吉思汗建立了大蒙古国,54年之后,元世祖忽必烈在中原建立了元朝。
A.947
B.1021
C.1206
D.1260
[判断题]个人防护检查应从内到外,从上到下依次检查,不得遗漏。( )
A.正确
B.错误
[判断题]木工厂房的火灾危险性应划为丙类。
A.正确
B.错误
[单项选择]
Mr. Faugel was convinced that student nervousness had affected their scores; to reduce the anxiety of these students who had already been tested, he gave 22 of them a beta blocker before readministration of the test. Their scores improved significantly. The other 8 students (who did not receive the beta blockers) improved only slightly. Second-time test-takers nationwide had average improvements which were similar to those in Faugel's non-beta blocker group. Beta blockers are prescription drugs which have been around for 25 years. These medications, which interfere with the effects of adrenalin, have been used for heart conditions and for minor stress such as stage fright. Now they are used for test anxiety. These drugs seem to help test-takers who have low scores because of test fright, but not those who do not know the material. Since there can be side effects from these beta blockers, physicians are not ready to prescribe them routinely for all test-takers.
Beta block
A. fool a person into a healthier stance
B. interfere with the effects of adrenalin
C. produce side effects worse than the symptoms
D. primarily change human thought processes
[单选题]由于油质灰砂或润滑油不清洁造成的机件磨损称( )磨损。
A.A、氧化
B.B、振动
C.C、砂粒
D.D、摩擦
[多项选择]实行最严格的水资源管理制度考核工作坚持()的原则。
A. 客观公平
B. 科学合理
C. 系统综合
D. 求真务实
[单选题]《中国南方电网有限责任公司电力安全工作规程》(Q/CSG510001-2015)第 7.4.1.1 条规定: 验明设备确无电压后,应立即将检修设备接地并( )。电缆及电容器接地前应逐相充分( )。
A.单相接地,放电
B.三相短路,放电
C.短路,充电
D.三相短路,充电
[单选题]评定车辆齿轮油抗磨性的指标分为( )和极压性。
A.粘性
B.油性
C.弹性
[判断题]起重机械每半年至少应做一次全面技术检查。
A.正确
B.错误
[判断题]兆欧表由测量机构和低压电源组成。
A.正确
B.错误
[单选题]以下各项中,有担保流动资金贷款要求的,而商用房贷款中没有要求的申请材料有( )。
A.合法有效的身份证件
B.借款人开办企业的工商营业执照
C.明确的用款计划以及与之相关的资料
D.贷款银行认可的借款人偿还贷款证明材料
[简答题][2022-03-06 16:49:15.150
[单选题]尿路感染常见致病菌是:
A.变形杆菌
B.副大肠杆菌
C.大肠埃希菌
D.粪链球菌
E.葡萄球菌
[填空题]英国艺术批评家克莱夫•贝尔认为艺术是(),深刻揭示了艺术中形式和形式美与情感的关系。
[单选题]燃料燃烧实际释放出的总热量与燃料所能释放的总热量之比称为( )。
A.循环热效率
B.空燃比
C.燃烧效率
D.比热
[单选题]小型养路机械上道作业时,应设置( )防护;防护设备应采用自动报警器或无线通信等装置。
A.移动停车信号
B.移动减速信号
C.行车故障
D.作业标
[单项选择]哪种体位时颈外静脉充盈度超过正常水平,称为颈静脉怒张
A. 10°~25°的半卧位
B. 20°~25°的半卧位
C. 30°~45°的半卧位
D. 40°~55°的半卧位
E. 50°~65°的半卧位
[单选题]越区作业,是指调机由本调车区到其他调车区进行的( )作业。
A.取车
B.送车
C.取送车
D.调车