热门试题:
[单选题] 月度考核每( )进行,年度考核通常在每年的(C)月份进行。
A.月末.6月
B.月中.6月
C.月末.12月
D.月中.12月
[判断题]《铁路技术管理规程》总则中规定：普速铁路部分适用于200km/h及以下的铁路。
A.正确
B.错误
[单选题]下列关于病例-对照研究的说法正确的是
A.比较病例组和对照组发病率的差异
B.比较病例组和对照组死亡率的差异
C.比较暴露组和非暴露组发病率的差异
D.比较暴露组和非暴露组死亡率的差异
E.比较病例组和对照组暴露于某种致病因素的百分比差异
[单项选择]The entrepreneur, according to French economist J. B. Say," is a person who shifts economic resources out of an area of lower and into an area of higher productivity and yield." But Say’s definition does not tell us who this entrepreneur is. Some define the entrepreneur simply as one who starts his or her own new and small business. For our purposes, we will define the entrepreneur as a person who takes the necessary risks to organize and manage a business and receives the financial profits and nonmonetary rewards.
The man who opens a small pizza restaurant is in business, but is he an entrepreneur He took a risk and did something, but did he shift resources or start the business If the answer is yes, then he is considered an entrepreneur. Ray Kroc is an example of an entrepreneur because he founded and established McDonald’s. His hamburgers were not a new idea, but he applied new techniques, resource allocations, and organizational methods in his venture. Ray Kroc upgraded th
A. complete the definition of entrepreneur
B. tell the readers what is entrepreneur and the main characteristics of entrepreneurs
C. show what kind of people can become entrepreneurs
D. illustrate why Ray Kroc can become an entrepreneur
[单选题]夜间—红、绿色灯光（无绿色灯光的人员，用白色灯光）交互显示数次，表示（）
A.连挂信号
B.指挥列车或车辆向显示人方向稍行移动
C.指挥列车或车辆向显示人反方向去
D.指挥机车向显示人反方向稍行移动
[判断题]悬挑式卸料平台拉设在脚手架上时,应对脚手架进行加固,防止架体倾覆。
A.正确
B.错误
[单项选择]平台火炬长明灯主要使用（）作为长明气源。
A. 工厂风
B. 仪表风
C. 燃料气
D. 放空气
[单选题](49574)DC600V列车供电系统中机车受电弓接收由电网输送过来的25kV单相交流高压电，经降压后，采用2 套独立工作的单相半控整流装置将单相交流电整流成2路直流电，每路额定输出电压600V，电流670A，容量
( )。(1.0分)
A.200kW
B.400kW
C.600kW
D.800kW
[单项选择]鼻咽癌首选治疗方案是（）。
A. 放射治疗
B. 手术治疗
C. 抗生素治疗
D. 全身抗生素+全身激素治疗
E. 激素治疗
[判断题]水力警铃可以由电动报警装置取代。
A.正确
B.错误
[单选题]钢轨接头病害中（）病害一般发生在捣固不良的地段，尤以曲线下股比较多见。
A.钢轨掉块
B.钢轨擦伤
C.鞍形磨耗
D.低接头
[多项选择]荷载效应是指在荷载作用下结构或构件内产生的( )的总称。
A. 内力
B. 外力
C. 变形
D. 裂缝
E. 断裂
[单项选择]2007年11月6日美国众议院投票，以超过三分之二的绝对多数推翻了总统布什对一项水利工程授权法案的否决。这表明：（）
A. 总统没有实际权力
B. 国会与总统互相制约
C. 众议院是最高权力机构
D. 总统要对众议院负责
[填空题]Industrial safety does not just happen. Companies 【B1】 low accident rates plan their safety programs, work hard to organize them, and continue working to keep them 【B2】 and active. When the work is well done, a 【B3】 of accident-free operations is established 【B4】 time lost due to injuries is kept at a minimum.
Successful safety programs may 【B5】 greatly in the emphasis placed on certain aspects of the program. Some place great emphasis on mechanical guarding. Others stress safe work practices by 【B6】 rules or regulations. 【B7】 others depend oh an emotional appeal to the worker. But, there are certain basic ideas that must be used in every program if maximum results are to be obtained.
There can be no question about the value of a safety program; From a financial stand-point alone, safety 【B8】 . The fewer the injury 【B9】 , the better the workman’’s insurance rate. This may mean the difference between operating at 【B10】 or at a loss.
A. A．alter
B．differ
C．shift
D．distinguish
[单项选择]对CAH的21-羟化酶缺陷，最具有确诊意义的检查是
A. ACTH
B. UFC
C. 17-酮类固醇
D. 17-羟孕酮
E. PRA
[单项选择]She didn't know （ ）
A. where she gets the book
B. where would she get the book
C. where getting the book
D. where to get the book
[单项选择]下列哪一项检查有取代支气管碘油造影的趋势（）。
A. 常规CT检查
B. 反复胸片检查
C. 高分辨率CT检查
D. 血沉检查
E. 核磁共振检查
[单选题]空气泡沫炮按操纵方式分为手动型、电动型和（）。
A.船用型
B.移动式
C.陆用型
D.气动型
[多选题]为了保证蓄电池的使用寿命和工作状态,需要对其进行（ ）。
A.轮换使用
B.补充蒸馏水
C.间隙过充电
D.锻炼循环充电
[单选题]泌尿生殖系统最常见的肿瘤是()
A.肾母细胞瘤
B.肾癌
C.膀胱癌
D.前列腺癌
E.阴茎癌
[单项选择]Inflation is a period of rapid rises in prices. When your money buys fewer goods so that you get (56) for the same amount of money as before, inflation is the problem. Sometimes people describe inflation as a time when "a dollar is not (57) a dollar anymore".
Inflation is a problem for all consumers, especially people who live on a fixed income. Retired people, for instance, cannot (58) on an increase in income as prices rise. They face serious problems in stretching their incomes to (59) their needs in time of inflation. Many retired people must cut their spending to (60) rising prices. In many cases they must stop (61) some necessary items, such as food and clothing. Even (62) working people whose incomes are going up, inflation can also be a problem. The (63) of living goes up, and they must have even more money to maintain their standard of living. When incomes do not keep (64) with rising prices, living standard g
A. few
B. fewer
C. little
D. less
[填空题]合成系统设置N2管线的作用⑪（）；⑫（）；⑬（）。
[单选题]《铁路旅客运输服务质量规范》规定，对旅客、货主称呼恰当，统称为“旅客们”、“各位旅客”、“（ ）”，单独称为“先生、女士、小朋友、同志”等。
A.旅客朋友
B.旅客同志们
C.各位朋友
D.同志们
[多选题] 1936年10月,在甘肃会宁、静宁地区先后会师的红军主力有 _____
A.红一方面军
B.红二方面军
C.红三方面军
D.红四方面军
[判断题]客户业扩流程体外流转不会导致时限失去管控，影响客户办电体验。
A.正确
B.错误
[判断题]（类别：号段管理难度：中等）拜访记录的必要性还体现在：人都是善忘的，没有记录的谈话结果等于没有结论。（）
A.正确
B.错误
[单选题]下列说法中不正确的是( )。
A.在虚拟存储管理下，每个程序的逻辑地址空间可以大于实地址空间
B.多级存储体系由cache、主存和虚拟存储器构成
C.ache和虚拟存储器这两种存储器管理策略都利用了程序的局部性原理
D.在CPU和主存之间增加cache，主要是为了提高主存的存取速度
[单选题]某小区业主与该小区物业发生纠纷,场面十分混乱,有群众拨打 110 报警。民警到达现场对该纠纷予以了处理。关于物业服务,下列说法符合法律规定的是:
A.物业服务人将物业服务区域内的部分专项服务事项委托给第三人,应当就该部分专项服务事项向业主负责
B.物业服务人不定期将服务的事项、负责人员、质量要求、收费项目、收费标准、履行情况,以及维修资金使用情况等以合理方式向业主公开
C.业主违反约定逾期不支付物业费的,物业服务人可以催告其在合理期限内支付,必要时可采取停止供电、供水、供热、供燃气等方式催交物业费
D.物业服务合同为不要式合同,物业服务人公开作出的有利于业主的服务承诺,为物业服务合同的组成部分
[判断题]机车乘务人员负责将票据完整地传递到列车终到站、甩挂作业站，并与车站办理票据签字交接，没有车站签字不得退勤，发生票据丢失，追查当事人责任。( )
A.正确
B.错误
[单选题]档案在其形成过程中存在着多种历史联第，其中，（ ）联系是首要联系，也是最根本的联系。
A.来源
B.内容
C.时间
D.形式
[简答题]产生煤气中毒的原因主要是煤气泄漏。（ ）
[单选题]书面命令须在（ ）内按照命令顺序填写且装订成册
A.调度命令登记本
B.工作日志
C.记录本
D.会议本
[判断题]在不确定含硫地区进行钻井作业时,现场可以不配硫化氢监测仪器。
A.正确
B.错误
[单项选择]"逆传心包"是指（）
A. 由肺传入心包
B. 由肺传入营分
C. 由肺卫传入心包
D. 由肺卫传入营分
[单选题]项目目标的特点不包括( )。
A.优先性
B.确定性
C.层次性
D.多目标性
[单选题]我国最早的保密立法始于×。
A.西周
B.秦汉
C.隋唐
D.明清
