热门试题:
[单选题]经互感器接入电能表的装拆、现场校验工作,应有防止电流互感器二次侧开路、()二次侧短路和防止相间短路、相对地短路、电弧灼伤的措施。
A.电压互感器
B.电流互感器
C.避雷器
D.电容器
[多选题]服务质量问题的行政处分为( )
A.警告;记过;
B.记大过;降级;
C.撤职
D.留用察看;开除
[单项选择]关于大陆法系的说法错误的是( )
A. 大陆法系渊源于古罗马法,最后于19世纪发展成为一个世界性的法系
B. 大陆法系分为法国法系和德国法系两个支系,诉讼方法都倾向于职权主义
C. 大陆法系的法律基本结构是在公法和私法的分类基础上建立的,传统上公法指宪法、行政法、刑法及诉讼法,私法主要指民法和商法
D. 大陆法系法官通常采用归纳法,即将法典中的高度概括的法律原理进行具体化,然后适用于案件
[填空题]当CRH1在运行过程中接近隧道时,或者探测到列车外有烟雾时,应启动______。
[单选题]索道架设应按()因素精确计算索道架设弛度。
A.索道设计运输能力
B.选用的承力索强度
C.支撑点位置
D.跨越物距离
[多选题]在扑救锂电池火灾时,应在厂方技术人员指导下进行,要掌握( )。
A.生产存放场所性质
B.生产流程及工艺
C.存储库是否有泄压功能
D.单个容量、总存量
[判断题]井下过流保护、漏电保护和保护接地对保证煤矿井下供电起着主要的作用,三者必须相辅相成,缺一不可。 ( )
A.正确
B.错误
[单选题]精馏塔的塔底温度总是( )塔顶温度
A.高于
B.低于
C.等于
D.小于等于
[判断题]空气压缩机压缩空气的过程包括吸入、压缩过程。
[单项选择]变更控制体现的测试理念是 ______。
A. 尽早测试
B. 全过程测试
C. 尽早测试和全面测试
D. 全面测试
[单项选择]
People do not analyse every problem they meet. Sometimes they try to remember a solution from the last time they had a 21 problem. They often accept the opinion or ideas of other people. Other times they begin to act without (22) ; they try to find a solution by trial and error. However, when all of these methods (23) , the person with a problem has to start analysing. There are six (24) in analysing a problem.
(25) , the person must recognize that there is a problem. For example, Sam’ s bicycle is broken, and he cannot ride it to class as he usually does. Sam must (26) that there is a problem with his bicycle.
Next the person must (27) the problem. Before Sam can repair his bicycle, he must know why it does not work. For example, he must (28) the parts that are wrong.
Now the person must look for (29) that will make the problem clearer and lead to (30) solutions. For examp
A. ways
B. conditions
C. stages
D. orders
[单选题]宪法是由( )制定和修改的居于最高的、核心的地位的根本大法。
A.最高国家行政机关
B.最高国家司法机关
C.国务院
D.最高国家权力机关
[单选题]硬质梯子的横档应嵌在支柱上,梯阶的距离不应大于(),并在距梯顶1m处设限高标志。
A.40cm
B.45cm
C.50cm
D.55cm
[单项选择]痄腮与发颐的区别点是()
A. 寒战高热与否
B. 疼痛剧烈程度
C. 部位不同
D. 有无化脓
E. 有无张口困难
[填空题]In which way does English differ most from Chinese
English differs most from Chinese in ______.
[多选题]根据进出境动植物检疫制度,下列属于国家禁止携带入境的有( )。
A.土壤
B.食品
C.服饰
D.动植物病原体
E.种苗
[单选题]相对过剩人口的形成是由于( )。
A.劳动力人口太多
B.劳动者人口相对于资本的需求太多
C.人口的增长超过了生产资料的增长
D.资本主义生产技术太先进和自动化程度太高
[判断题]煤矿企业应当以矿(井)为单位进行安全生产隐患排查、治理,矿(井)安全管理人员对安全生产隐患的排查和治理负直接责任。
A.正确
B.错误
[判断题] 品牌培育活动推介要点指针对本次活动的品牌知识和推介话术。( )
A.正确
B.错误
[填空题]A new book is sure to be discussed,and (36) ,at colleges this fall.The book is called My Freshman Year What a Professor Learned by Becoming a Student.The writer is Rebekah Nathan.That is not her real name.She is in her fifties.She is a professorof (37) at a universityintheUnited States.Hernameforitis“AnyU”.
The professor wanted to know why many ofher students did not (38) their work or ask for help.She decided to do a (39) project.She got the (40) ofthe university ethics (41) .Such groups consider moral and legal issues in studies.
In the spring of 2002,she (42) to her own university under the name“Rebekah Nathan”and was admitted.She lived in student housing.She took five classes during her first term and two in the second (43) .She did pretty well, although she got one C,a mark ofaverage.She also played sports.
(44) .
(45) .
They are busy with activities and j
[简答题]影响行车的B类施工延长作业时间最长不超过30分钟
[多项选择]按水利工程计价规范,以下按其他金属结构设备安装工程编码的是()
A. 螺杆式启闭机
B. 清污机
C. 闸门压重物
D. 储门库
E. 阀门
[单选题]1.19.第19题
非运维人员用绝缘棒、核相器和电压互感器定相或用钳型电流表测量高压回路的电流的工作,应填用()工作票。
A.第一种
B.第二种
C.带电作业
D.事故紧急抢修单
[单项选择]烟蚜的测报调查包含以下三个方面,即春季越冬寄主调查、田间种群数量系统调查和()调查
A. 无翅蚜
B. 有翅蚜
C. 僵蚜
D. 卵生蚜
[单项选择]关于试管法全凝血时间(CT)适应证描述错误的是()
A. 血友病
B. vW因子疾病
C. 特发性血小板减少性紫癜
D. 维生素K缺乏和使用香豆素类抗凝药
E. 血栓和栓塞性疾病
[判断题]由于有了操作系统,同一时刻瞬间可以有多个程序被执行。(易)(消防通信网络与业务系统管理)
A.正确
B.错误
[单选题]下列属于约束性警械的是()
A.警棍、催泪弹
B.高压水枪、特种防暴枪
C.手铐、脚镣
D.警绳、麻醉枪
[单项选择]某两级除尘系统,第一级为旋风除尘器,第二级为电除尘器,处理一般的工业粉尘。已知起始的含尘浓度为15g/m3,旋风除尘器效率为85%,为了达到排放标准100mg/m3,则电除尘器的效率最少应为()。
A. 92.3%
B. 95.6%
C. 97.8%
D. 96.9%
[多选题]下列( )情况属于溢流的表现。
A.井口返出的液量比泵入的液量多
B.停泵后井口修井液自动外溢
C.起管柱时灌入量小于起出管柱本体体积
D.停止下管柱时井口修井液自动外溢
[判断题]绝缘导线的接地线应装设在验电接地环上。
A.正确
B.错误
[单项选择]王进先生是一个大型集团企业的总经理。一天,他问一位美国著名管理专家:“我不知道如何管理好下属的200多个企业。”那位美国学者直截了当地回答说:“干掉它们。”王进总经理又
问:“干掉多少”那位专家说:“直到你认为可以管得了为止。”
上述专家的回答是以下面哪一陈述为前提的( )
A. 王进所在集团本应该拥有200个子公司
B. 那位专家并不愿意认真回答问题
C. 下属企业多少与总经理的能力有直接关系
D. 下属企业多少与企业集团的性质有关
[单项选择]从课程的组织核心来看,可把课程分为学科中心课程、学生中心课程和()。
A. 社会中心课程
B. 技能性课程
C. 研究型课程
D. 学校课程
[多选题]下列关于请示的说法正确的是()。
A.请示最好直接送领导者个人,以提高办事效率
B.请示事项不得夹带在报告中
C.在需要的情况下,可以越级请示
D.请示应当只写一个主送机关
[单选题]200km/h~250km/h线路轨道静态几何尺寸容许偏差管理值中扭曲(3m)限速160km/h为( )。
A.8mm
B.9mm
C.10mm
D.11mm
[单项选择]Children start out as natural scientists, eager to look into the world around them. Helping them enjoy science can be easy ;there’s no need for a lot of scientific terms or expensive lab equipment. You only have to share your children’s curiosity. Firstly,listen to their questions. I once visited a classroom of seven-year-olds to talk about science as a job. The children asked me" textbook questions" about schooling, salary and whether I liked my job. When I finished answering, we sat facing one another in silence. Finally I said, "Now that we’ve finished with your lists, do you have questions of your own about science"
After a long pause ,a boy raised his hand," Have you ever seen a grasshopper(蚱蜢) eat When I try eating leaves like that, I get a stomachache. Why"
This began a set of questions that lasted nearly two hours.
Secondly, give them time to think. Studies over the past 30 years have shown that, after asking a question, adults typically wait only one second or l
A. to let them see the world around
B. to share the children’s curiosity
C. to explain difficult phrases about science
D. to supply the children with lab equipment
[单项选择]多巴胺表现出明显的缩血管作用剂量是()
A. <5μg/(kg·小时)
B. 5~10μg/(kg·小时)
C. 5~15μg/(kg·小时)
D. 5~20μg/(kg·小时)
E. 10~20μg/(kg·小时)
[多选题]急流救援中的危险因素有( )。
A. 水流突变
B. 暗礁漩涡
C. 救援舟艇操控失当
D. 水势骤然落差