热门试题:
[判断题]在半控桥整流带大电感负载不加续流二极管电路中，电路出故障时会出现失控现象。
[判断题]编组、区段站及作业量较大中间站到达列车或出库客车底摘开机车前需由车站采取防溜措施时，由司机或车辆乘务员负责摘解的，车站值班员需在列车进站或客车底出库前通知司机（车辆乘务员负责摘解时，司机通知车辆乘务员）。
A.正确
B.错误
[多选题]下列属于地铁轨道组成部分的是（ ）。
A.A. 道床
B.B. 轨枕
C.C. 防爬设备
D.D. 联结零件
[不定项选择题]A.注册商标
A.药品贮藏的特殊要求
B.文字型商标
C.药品商品名称
D.专有标识
E.不得与通用名称同行书写
[判断题]作业区域带电体、绝缘子等应采取相间、相对地的绝缘隔离（遮蔽）措施。禁止同时接触两个连通的带电体或同时接触带电体与接地体。
A.正确
B.错误
[判断题]瓷质绝缘子伞裙不应破损，瓷质不应有裂纹，瓷釉不应有烧坏。（ ）
A.正确
B.错误
[单选题]下列各项中，不属于印花税应税凭证的是（ ）。
A.家庭财产两全保险
B.发电厂与电网之间签订的电力购售合同
C.个人出租门店的合同
D.银行因内部管理需要设置的现金收付登记簿
[多选题]收费站查验人员应通过( )等开展查验工作,并做好查验整体过程的影像记录。( )
A.事件记录仪
B.摄像机
C.照相机
D.高清工业内窥镜
E.塔尺
[单项选择]
The principle of the social character of the school as the basic factor in the moral education given may be also applied to the question of methods of instruction, not in their details, but in their general spirit. The emphasis then fells upon instruction and giving out, rather than upon absorption and mere learning. We fail to recognize how essentially individualistic the latter methods are, and how unconsciously, yet certainly and effectively, they react into the child’s ways of judging and of acting. Imagine forty children all engaged in reading the same books, and in preparing and reciting the same lessons day after day. Suppose this process constitutes by far the larger part of their work, and that they are continually judged from the standpoint of what they are able to take in a study hour and reproduce in a recitation hour. There is next to no opportunity for any social division of labor. There is no opportunity for each child to work out something specifically his o
A. hidden motives have equal outcomes
B. a key outcome of education is socialization
C. judging and acting are individualistic acts
D. approbation is of the utmost importance
[判断题]高处作业人员在作业过程中，应随时检查安全带是否栓牢。
A.正确
B.错误
[多选题]下列叙述正确的是（ ）。
A.正确使用生产工具和设备，不准随意抛掷材料、工具
B.严禁使用没有检验合格证或超期未检验的各种绝缘工具、防护用品
C.各类设备应制定安全技术操作规程，内容完善，并置于作业人员休息室，操作人员必须严格遵照执行
D.各级干部不得玩忽职守，不得违章指挥或强令工人违章和冒险蛮干。
[单选题]在电力电子装置中,电力晶体管一般工作在( )状态。
A.放大
B.截止
C.饱和
D.开关
[填空题]With the end of the term coming, many college students are (11) preparing papers. However, let’s (12) at how they "write" their papers. Some college students (13) by themselves, but many just download articles from the Internet, do some editing, and then put them (14) and "finish" their papers. This phenomenon prevails. The Internet brings us boundless (15) but sometimes it kills creativity.With the end of the term coming, many college students are (11) preparing papers. However, let’s (12) at how they "write" their papers. Some college students (13) by themselves, but many just download articles from the Internet, do some editing, and then put them (14) and "finish" their papers. This phenomenon prevails. The Internet brings us boundless (15) but sometimes it kills creativity.
[多选题]关于安全帽使用要求正确的有（）。
A.安全帽永久标识和产品说明等标识清晰完整，组件完好无缺失
B.帽衬与帽壳联接牢固，后箍、锁紧卡等开闭调节灵活，卡位牢固
C.针对不同的生产场所，根据安全帽产品说明选择适用的安全帽
D.安全帽使用期满进行抽查测试时，每批从正常使用场合中抽取，每项试验试样不少于2项
[单项选择]腺体中的（）导致武松和武大郎的身高产生了巨大的差异。
A. 肾上腺
B. 甲状腺
C. 垂体腺
D. 胰腺
[判断题]变压器的效率即为输入功率与输出功率之比。
[填空题]轨道爬行的原因有防爬设备不足和失效、（）；（）、轨缝超限等。
[单选题]当环境空气质量指数达到中度及以上的污染时,施工现场应增加洒水频次,加强覆盖措施,减少易造成大气污染的施工作业。
A.正确
B.错误
[判断题]污水处理厂设置调节池的目的主要是调节污水中的pH值。
[单选题]移动商务把动态化的管理元素带入了（ ）。
A.运营过程
B.运营管理
C.供应链管理
D.信息管理
[判断题]判断题湿度单位一般用“%”表达。电梯使用环境湿度,不能超过90%。过湿会导致电路漏电或短路。
A.正确
B.错误
[多选题]固定翼无人机在大气中运行时,主要受力组成为( ),其飞行原理遵循牛顿三大基本定律。
A.重力
B.B.升力
C.C.推力/拉力
D.阻力
[单项选择]不能进入三羧酸循环被氧化的物质是
A. 亚油酸
B. 乳酸
C. 酮体
D. 胆固醇
[单项选择]据《素问•生气通天论》的论述，五脏阴精亏损的主要原因是（）
A. 五味失调
B. 感受六淫
C. 情志所伤残
D. 阳热耗伤
E. 劳倦所伤
[单项选择]People of Burlington are being disturbed by the sound of bells. Four students from Burlington College of Higher Education are in the bell tower of the (51) and have made up their minds to (52) the bells nonstop for two weeks as a protest against heavy trucks which run (53) through the
narrow High Street. "They not only make it (54) to sleep at night, but they are (55) damage to our houses and shops of historical (56) , "said John Norris, one of the protesters.
" (57) we must have these noisy trucks on the roads," said Jean Lacey, a biology student. "why don’ t they build a new road that goes round the town Burlington isn’ t much more than a (58) village. Its streets were never (59) for heavy traffic. "
Harry Fields also studying (60) said they wanted to make as much (61) possible to force the govemment officials to realize what everybody was having to (62) . "Most of th
A. notice
B. mention
C. fear
D. control
[判断题]夜间在区间进行装卸材料作业时，装卸车负责人应配备足够的照明设备。
A.正确
B.错误
[单项选择]在行为阶段变化理论模型结构中从打算行动到准备行动，主要经历的是（）
A. 自我解放阶段
B. 自我放弃阶段
C. 自我评价阶段
D. 寻求帮助阶段
E. 维持信心阶段
[单选题]铁路罐车罐体中部两侧水平环形色带绿色表示（ ）
A.氧化性
B.易燃性
C.腐蚀性
D.毒性
[单选题]钻井队进行起钻作业时，发现井架工没反应，经查看井架工穿戴的保险带与气动绞车钢丝绳缠绕在一起，把井架工拉靠在气动绞车滚筒上，人已昏迷，经抢救无效死亡。造成员工伤亡的直接原因是( )
A.架工绊到拴在气动绞车手柄上的拉绳致使气动绞车启动；
B.气动绞车绞车存在缺陷，本质不安全；
C.保险带与气动绞车钢丝绳缠绕在一起把员工勒住；
D.井架工安全意识差，没有发现存在的风险。
[单选题]对检查中发现的事故隐患应下达(),定人.定时间.定措施进行整
改。重大事故隐患整改后,应由相关部门组织复查( )
A.隐患整改通知单
B.工程联系函
C.罚款通知单
D.停工通知单
[单选题]要减少列车制动时车辆之间的相互冲击,最有效的措施是( )。
A.适当加大制动力
B.适当减小制动力
C.降低列车管的减压速度
D.提高制动波速
[单项选择]子宫又称：
A. 女子胞
B. 胞宫
C. 胞脏
D. 子脏
E. 以上均是
[单项选择]基金管理人应于每个季度结束之日起( )个工作日内，编制完成该季度的基金季度报告。
A. 5
B. 10
C. 15
D. 30
[单选题]CMA是（ ）的英文缩写，是为社会提供公证数据的产品质量检验机构，必须经省级以上人民政府计量行政部门对其计量检定、测试的能力和可靠性考核合格，才能获取CMA认证。
A.国际计量认证
B.中国计量认证
C.中国合格评定国家认可委员会
D.审查认可
[单项选择]汉译英：“离岸价；到岸价”，正确的翻译为( )。
A. free on board；cost and freight
B. insurance and freight；free on board
C. free on board；cost，insurance and freight
D. cost and freight；insurance and freight
[单选题]动火作业应有（）监护，动火作业前应清除动火现场及周围的易燃物品，或采取其他有效的防火安全措施，配备足够适用的消防器材。
A.技术
B.施工
C.安全
D.专人
