热门试题:
[单选题]推动管理活动的基本力量是人,管理必须有能够激发人的工作能力的动力,这就是( )
A. 动力原则
B.能级原则
C.激励原则
D. 3E原则
[多选题]公安消防部队在参与重大灾害事故应急救援中,个人防护等级分为( )。
A.特级
B.一级
C.二级
D.三级
[多选题]根据《配电安规》,新参加电气工作的人员、( ),应经过安全知识教育后,方可到现场参加指定的工作,并且不准单独工作。
A.实习人员
B.临时参加劳动的人员(管理人员、非全日制用工等)
C.外来人员
D.配合工作人员
[填空题]联合调节器功率调节系统的作用是在不改变柴油机转速、供油量的条件下,调节()励磁电流的大小,以改变牵引发电机的输出功率,从而使柴油机功率输出恒定。
[简答题]电解反应可以产生哪些过程?对水处理能起什么作用?
[单项选择]In the United States, it is required that all children attend school, public or private, for twelve years. There are【C1】______to this rule, of course, as in the case of certain religious or ethnic groups 【C2】______education is only required【C3】______the eighth grade. And there are some groups of people that see no【C4】______to an education whatsoever and ignore this requirement altogether. But for most, and【C5】______so, a twelve-year education is the minimum In【C6】______of the complexity of our society and the changes taking【C7】______, one would think that a person would need at least twelve years of education in order to cope.【C8】______, in recent years, a great many people have begun to question the purpose of having【C9】______education for twelve years. One【C10】______reason the question is being raised is the fact that an alarming number of young people who graduate from the school systems are【C11】______to handle【C12】______, everyday tasks, such as reading a newspaper, filling out a job application or【C13】______a checkbook. These people are considered "【C14】______illiterate" by experts on the subject, who estimate that one out of five adults in the United States【C15】______in this category. Without【C16】______mastery of everyday skills, it is extremely difficult for these people to comprehend and deal with the demands【C17】______society. And as our language becomes more technical and the law more【C18】______, life in general can only become more frustrating. Of course, efforts are being made to correct the problems as【C19】______agencies and colleges try to reach these people. But they are difficult to reach. Many are embarrassed by the situation and prefer to live【C20】______rather than correct the problem.【C13】
A. casing
B. writing
C. sending
D. balancing
[单选题]铜绿假单胞菌的最适合生长温度是
A.20℃
B.42℃
C.35℃
D.4℃
E.37℃
[单项选择]"杀狗,取其脬,以穿籥,……徐以刀割去其巢,治黄芩而屡傅之。"记载的是何种疗法:()
A. 插药法
B. 割治法
C. 枯痔法
D. 结扎法
E. 挂线法
[判断题]电子式交流电能表常数试验的计读脉冲法在参比频率、参比电压下和额定电流,功率因数为1.0,进行试验( )。
A.正确
B.错误
[多选题] 采集系统自动分析台区用户电能表是否存在( )等情况,确定台区线损异常原因。
A. 连续无表码
B. 倒走
C. 飞走
D. 停走
E. 故障更换
F. 异常开盖事件
[多项选择]下列选项中,属于建设工程项目总进度目标论证工作步骤有()。
A. 工程进度风险分析
B. 进度计划系统的结构分析
C. 项目实施的总体部署
D. 设计方案的评审和选用
E. 项目的工作编码
[判断题] 商务礼仪是在职场交流或商务活动中,对合作者、客户等表示尊重和友好的一系列行为规范,是礼仪在商务活动过程中的具体运用。
A.正确
B.错误
[单选题]事故当事人对公安机关交通管理部门的检验、鉴定结论有异议的,经( )批准后,应当另行指派或者委托有资格的鉴定机构进行重新检验、鉴定。
A.事故办案人员
B.事故部门负责人
C.县级公安机关交通管理部门负
D.县级公安机关负责人
[单选题] 根据《消防法》,村民委员会、居民委员会应当确定(),组织制定防火安全公约,进行防火安全检查。
A.消防救援机构
B.治安联络员
C.消防安全管理人
[单选题]The cost of equity for a company with a debt-equity ratio of .41:
A. tends to remain static even as the company's level of risk increases.
B. increases as the unsystematic risk of the company's stock increases.
C. is affected by either a change in the company's beta or its projected rate of growth.
D. equals the risk-free rate plus the market risk premium.
E. equals the company's pretax weighted average cost of capital.
Difficulty: 1 Easy
Topic: Cost of equity
Learning Objective: 14-01 Determine a firm's cost of equity capital.
[单选题]超过电力系统检修备用容量( ) 和事故备用容量 10%的大.中型发电一和变电所,在电力系统中的地位非常重要。
A.6-8%
B. 8%-15%
C. 10%-15%
D. 15%-20%
[判断题]453.(91326)测定酸值时每次测定所加指示剂的量要不同,不能加太多,以免引起滴定误差。
A.正确
B.错误
[判断题]虽然离子交换剂的再生过程也遵循等物质的量规则,然而,实际再生剂用量必须是过量的。()
[判断题]大轴晃动值不应超过制造厂的规定值或与原始值的偏差不应超过±0.02mm。( )
A.正确
B.错误
[多项选择题]
根据《最高人民法院关于审理建设工程施工合同纠纷案件适用法律问题的解释》,发包人造成建设工程
质量缺陷应承担过错责任的情形有()。A.提供的设计有缺陷
B.直接指定分包人分包专业工程
C.指定购买的建筑构配件不符合强制性标准
D.同意总承包人依法选择的分包人分包专业工程
E.提供的建筑材料不符合强制性标准
[单选题]110kV线路异物短路跳闸,重合不成功,全站停电,10kV线路停电其停电责任原因为()。
A.外部原因
B.输变电设施故障
C.10kV及以上输变电设施故障
D.外力因素
[多选题]以下对双电源自动切换装置描述正确的有?
A.依照承受和分断短路电流能力只分为PC级、CB级
B.PC级只能完成双电源自动转换的功能
C.CB级ATSE 能完成双电源自动转换的功能
D.PC级ATSE的可靠性高于CB级
[多项选择]煤尘爆炸的条件()。
A. 煤尘本身具有爆炸性
B. 空气中悬浮煤尘达到一定浓度
C. 有高温热源
D. 氧气浓度大于16%
[单项选择]卡巴胆碱的作用是:
A. 激动M、N受体
B. 激动M受体
C. 阻断M、N受体
D. 阻断N受体
E. 小剂量激动N1受体,大剂量阻断N2受体
[单选题]发车进路信号机未设引导信号或引导信号不能开放时,装备LKJ的动车组列车将列控车载设备隔离,按LKJ方式,以不超过40 km/h的速度运行至次一信号机前停车。
A.正确
B.错误
[单项选择]若在目标市场建立或租用仓库,也会增加库存成本。这是由于()因素对物流成本的影响。
A. 产品
B. 空间
C. 竞争性
D. 时间
[判断题] 37
一个route-policy下可以有多个节点,不同的节点号用seq-number标识,不同seq-number各个部分之间 的关系是“或”的关系。
A.正确
B.错误
[多选题]铁路机车车辆、()、房建、电力、信息、安全,水,房建等技术设备,均须有完整和正确反映其技术状态的文件及技术履历等有关资料
A.线路
B.桥隧
C.通信
D.信号
[单项选择]It is curious to note how slowly the mechanism of the intellectual life improves. Contrast the ordinary library facilities of a middle-class English home, such as the present writer is now working in, with the inconvenience and deficiencies of the equipment of an Alexandrian writer, and one realizes the enormous waste of time, physical exertion, and attention that went on through all the centuries during which the library flourished. Before the present writer lies half a dozen books, and there are good indices to three of them. He can pick up any one of these six books, refer quickly to a statement, verify a quotation, and go on writing. Contrast with that the tedious unfolding of a rolled manuscript. Close at hand are two encyclopedias, a dictionary, an atlas of the world, a biographical dictionary, and other books of reference. They have no marginal indices, it is true; but that, perhaps, is asking too much at present. There were no such resources in the world in 300 B.C. Alexandr
A. each produced one at a time
B. severely limited in output because of technical difficulties
C. necessarily produced by dictation
D. produced with excellent maps and diagrams because of the care expended upon them by copyists
[单选题]管系组装时螺纹处须使用聚四氟乙烯薄膜,缠绕不得超过螺纹端部,连接处拧紧后须外露1扣以上的完整螺纹,旋入部分不得少于( )扣。
A.4
B.3
C.2
D.1
[单选题]《技规》规定,列车司机在列车运行中,遇( )发生故障时,列车应在前方站停车报告。
A.列车运行监控记录装置
B.机车信号
C.列车无线调度通信设备
D.列尾装置
[单选题]制定统一的金融统计标准,以保障统计调查中采用的指标含义、计算方法、分类科目、调查表式和统计编码等方面的标准化。
A.国务院
B.中国人民银行
C.国家统计局
[单项选择]粗煤气在桥管和集气管内用循环氨水喷洒冷却,影响其冷却效果的最主要因素是( )。
A. 喷洒均匀程度
B. 循环氨水量
C. 热损失
D. 燃料的水分
[判断题]低压电气带电工作,应采取绝缘隔离措施防止相间短路和单相接地。( )
A.正确
B.错误
[单项选择]TD发展的目标是寻求()、便捷、成本低的方法,促进TD-SCDMA用户规模发展。
A. 方便
B. 高效
C. 可靠
D. 稳定