热门试题:
[单选题]施工单位的（ ）、防护员、爆破员、带班人员和工班长必须经过铁路局有关部门培训。未经培训或培训不合格的人员担任上述工作，要追究施工单位领导的责任。
A.安全员
B.技术员
C.质检员
D.材料员
[单选题]电子工作卡片与纸质工作卡片具有（ ）效力。
A.两种
B.不等同
C.同等
D.不同
[单项选择]
When I was walking down the street the other day, I happened to (61) a small brown leather purse lying on the sidewalk. I (62) it up and opened it to see if I could (63) the owner’s name. There was nothing inside it (64) some change and an old photo—a picture of a woman and a young girl of about twelve years old, who looked (65) the woman’s daughter. I put the photo back and (66) the purse to the police station, where I (67) it to the desk sergeant. (68) I left, the sergeant took down my name and address (69) the owner might want to write and thank me.
That evening I went to have dinner with my aunt and uncle. They (70) a young woman (71) there would be four people (72) the table. Her face was familiar. I was (73) sure that we had not met before, but I could not remember where I had seen her. In the course of conversation, (74) , the young woman happened
A. in
B. on
C. by
D. at
[单项选择]乙醇在加热和有催化剂铜和银的条件下，能够被空气氧化，生成（）。
A. 乙醛
B. 甲醚
C. 丙酮
[单选题]二氧化碳灭火剂主要靠灭火( )。
A. 降低温度
B. 降低温度
C. 降低燃点
D. 减少可燃物
[单项选择]
In the United States, teaching is very important. If teachers do not teach well, students complain. If many students do not understand, people think that the teacher does not do a good job. The teacher has big responsibility to make sure students understand. In a sense, students are consumers and the teacher is offering services.
Students have the right to evaluate their teachers, and they usually do so at the end of each course. That evaluation includes lots of aspects of teaching, such as explanation, preparation, using good examples, answering questions, and organization of classes.
Students are supposed to read required textbooks and recommended books before class. Without reading them, they will find it very difficult to understand the class. Basic courses on doing research and writing papers are taught at the beginning of the program. They teach things very concretely and clearly. Students are expected to apply what they have learned to their studies.
A. giving a lot of lectures to students
B. involving students in discussions
C. asking students questions in class
D. answering students' questions in class
[判断题]【判断】干部人事档案工作人员和与其档案管理同在一个部门且有夫妻、直系血亲、三代以内旁系血亲、近姻亲关系人员的档案,可以正常管理。
A.正确
B.错误
[单项选择]下列银行卡中，不能办理附属卡的是（）。
A. 单位借记卡
B. 单位准贷记卡
C. 商务卡
D. 钻石卡
[多项选择]调节锅炉汽包压力的主要手段是（）
A. 安全阀
B. 进炉蒸汽流量控制阀
C. 蒸汽外输调节阀
D. 蒸汽放空阀
[单选题]综合布线系统由六个子系统组成，用于连接各层配线室，并连接主配线室的子系统被称为。
A.工作区子系统
B.水平子系统
C.垂直子系统
D.管理子系统
[单选题].下列哪项不属于急性肾衰竭的发生机制 ( )
A..肾血管收缩
B..肾血管内凝血
C..肾小球纤维化
D..肾小管阻塞
E..原尿回漏
[多选题]明装接地线的固定点的间距应均匀，水平直线部分范围包括（ ）。
A.0.5
B.1
C.1.5
D.2
[单选题]【单选题】歼-20,代号是( ),是中航工业成都飞机设计研究所研制的一款具备高隐身性、高态势
感知、高机动性等能力的隐形第五代制空战斗机。
A. 威龙
B. 蛟龙
C. 火焰
D. 獠牙
[单项选择]
A. ethnic
B. folk
C. naive
D. racial
[简答题]简述YB45包装机内框纸供给系统的组成及作用。
[不定项选择题]作为医学伦理学基本范畴的情感是指（ ）。
A.医学关系中的主体在道义上应享有的权利和利益
B.医学关系中的主体在道义上应履行的职责和使命
C.医学关系的主体对应尽义务的自我认识和自我评价的能力
D.医学关系中的主体因履行道德职责受到褒奖而产生的自我赞赏
E.医学关系中的主体在医疗活动中对自己和他人关系的内心体验和感受
[单选题] 逐渐“飞入寻常百姓家”的人工智能对人类的社会生活产生了巨大影响,对此,技术乐观派认为人工智能为人类发展更新了“发动机”,悲观派则认为人工智能的发展可能导致人类的终结。对人工智能社会效用的评价是( )
A.对客观事物发展规律的真理性评价
B.对主体需要发展程度的认知性评价
C. 受主体情感、兴趣和爱好影响的主观性评价
D.对客观事物的属性及其满足主体需要的价值性评价
[判断题]区间线路道床积雪覆盖超过轨面处所,严禁卸车。( )
A.正确
B.错误
[单选题]CRH380B(L)型动车组更换主变压器干燥剂需要掌握（ )＝完全干燥和活动（正常使用），灰白色＝湿度完全饱和（需要更换）。
A.绿色
B.橙色
C.灰白色
D.深灰色
[单选题]保障性住房建设是一件利国利民的大好事,但要把这件好事办好、真正使需要帮助的住房困难群众受益,就必须加强管理,在准入、使用、退出等方面建立规范机制,实现公共资源( )。
A.合法利用
B.合法使用
C.公平善用
D.公平使用
[单选题]双极保护范围为两个单极中性线的电流互感器至接地极之间的导线和所有设备。
A.正确
B.错误
[判断题]《煤矿安全规程》规定，手持式电气设备的操作手柄和工作中必须接触的部分必须有良好导通性能。（ ）
A.正确
B.错误
[单选题]启蒙运动，通常是指在18世纪初至1789年法国大革命间的一个新思维不断涌现的时代，与理性主义等一起构成一个较长的文化运动时期。下列对启蒙运动的叙述，正确的是()。①是一场反封建、反教会的思想文化解放运动②为资产阶级革命做了思想准备和舆论宣传③为美国独立战争与法国大革命提供了框架④是欧洲近代第一次思想解放运动
A.①②③④
B.①②③
C.②③④
D.①②④
[填空题]盛装永久气体和高压液化气体只准采用（）气瓶。
[判断题]H型支腿可以把支腿跨距做得比较大,稳定性比较好。(易)( )
A.正确
B.错误
[判断题]Lc5B1103静电或雷电能引起火灾。( )
A.正确
B.错误
[多项选择]幼年型类风湿性关节炎(JRA)早期的病理特点为（）
A. 为非特异性水肿、充血
B. 有纤维蛋白渗出
C. 有淋巴细胞和浆细胞浸润
D. 关节面纤维性粘连
E. 关节面骨性粘连
[判断题]对于对对错V直流系统两极对地电压绝对值差超过2错V或绝缘降低到对5千欧以下,应视为直流系统接地。
A.正确
B.错误
[单选题]()需持有消防控室操作职业资格证书证书才能上岗?
A.消防控制室值班人员
B.水泵房值班人员
C.设备房工作人员
D.维修人员
[单选题]1.23 监管指标"外地人集中考试",为防止外地人集中考试作弊。业务监管岗核查的标准是:某考场同一科目当天外地人考试数量超过考试总人数_____以上的。
A.80%
B.85%
C.90%
D.100%
[判断题]建设亚洲基础设施投资银行、金砖国家新开发银行等国际经贸规则体系表明我国积极参与全球经济治理。
[填空题]向施工封锁区间开行路用列车时，列车进入封锁区间的行车凭证为<--NRC-->。
[判断题]代位继承人可以是被继承人的一切法定继承人。 （ ）
A.正确
B.错误
[单选题]（ ）是OLT统一实现业务处理层中各功能子系统（包括POTS业务单元等扩展业务接入单元及传输设备）的操作维护。
A.信令处理和控制模块
B.光纤传输模块
C.业务接口模块
D.系统管理模块
[多选题]《中国南方电网公司安全生产风险管理体系（2017版）》序言：南方电网安全生产风险管理体系核心思想是（ ）。
A.基于风险
B.系统化
C.规范化
D.持续改进
[多项选择]阿奇霉素与红霉素比较正确的是（ ）
A. 对嗜肺军团菌、支原体等作用更强
B. 组织细胞内药物含量增加
C. 不良反应减少
D. 半衰期长
E. 口服不易被胃酸破坏，生物利用度高
[单项选择]Mr. Smith gave his wife ten pound for her birthday — ten pretty pound notes. So the day after her birthday, Mrs Smith went shopping. She queued for a bus, got on and sat down next to an old lady. After a while, she noticed that the old lady’s handbag was open. Inside it she saw a wad of pound notes exactly like the one her husband had given her. So she quickly looked into her own bag — the notes were gone! Mrs Smith was sure that the old lady who was sitting next to her had stolen them. She thought she would have to call the police; but, as she disliked making a fuss and getting people into trouble, she decide to take back the money from the old lady’s handbag and say nothing more about it. She looked round the bus to make sure nobody was watching, then she carefully put her hand into the old lady’s bag, took the notes and put them in her own bag.
When she got home that evening, she showed her husband the beautiful hat she had bought.
"With the money you gave me for my birthd
A. she was on the bus
B. she was not sure whether she had the ten pound notes with her
C. she was too angry to do so
D. she didn’t like to make trouble for others
