热门试题:
[判断题]( )有电流通过的导体周围存在着磁场。
A.正确
B.错误
[单项选择]下列不属于细菌药敏试验常见的质控菌株是()
A. ATCC25923
B. ATCC90028
C. ATCC25922
D. ATCC29212
E. ATCC27853
[单选题]目前使用最多、最适合用作供泡沫液泵的是( )。
A.齿轮泵
B.离心泵
C. 活塞泵
D.滑片泵
[填空题] In just eight years, by 2010, there will be 58 million jobs in the United States, (0) the Bureau of Labor Statistics. The bureau (21) between now and 2010 some 22 million new jobs will be created. And 36 million more (22) will result from retirements and others who drop out of the workforce. Nearly all that job (23), incidentally, will come in the service sector. Manufacturing jobs will grow at only (24) of a percent annually. That’’s not because those jobs are going overseas, by the way. Blame the slow growth in manufacturing (25) the fast growth in manufacturing productivity.
Ed Potter, president of the Employment Policy Foundations in Washington, said the foundation’’s analysis of job growth and what’’s (26) happening in education show there could be as (27) as 3.5 million professionals at the ,end of this decade.
Despite the current recession and layoffs, a (28) of employers by the National Association of Manufacturers found 80 percent of companies say a severe shorta
A. A.for
B.with
C.on
D.above
[判断题]利用各种吊装机具将设备、工件、器具、材料等吊起,使其发生位置变化的作业过程。
A.正确
B.错误
[判断题]考试开始20分钟后,监考人员确认缺考人数,并将缺考人员情况、证件不齐、不符人员等情况写入考场记录单。
A.正确
B.错误
[单项选择]梨状肌综合征受到卡压的神经为()。
A. 坐骨神经
B. 股神经
C. 腓总神经
D. 臀上皮神经
E. 胫前神经
[单选题]根据《民用航空安全检查工作手册》第239条,演练形式和频次应参考危害程度、发生可能性、实际发生频率等因素,但应当保证实战演练每( )一次,桌面演练每半年一次。每年应对预案评估一次。
A.半年
B.一年
C.两年
D.3年
[单选题]正确使用施工机具、安全工器具和劳动防护用品是( )的安全责任。
A.工作票签发人
B.工作班成员
C.工作负责人(监护人)
D.专责监护人
E.略
[单项选择]下列不属于哺乳动物的是()。
A. 蝙蝠
B. 鲸
C. 蜂鸟
D. 海豹
[多选题] 电缆及其附件到达现场后, 应检查电缆型号.( ) 是否符合合同要求
A.规格
B.尺寸
C.长度
D.外现
[简答题]有净料210克,其加工前原料的进价为38元/千克,净料率70%,求加工前原料的成本。
[判断题]举行消防救援人员宣誓和向队旗告别仪式时,应当将队旗置于显著位置;没有授予队旗的单位可以使用队徽。( )
A.正确
B.错误
[单选题] 事故处理必须遵循一定的程序,做到“四不放过”,下列不属于“四不放过”的是( )。( )
A.事故原因分析不清不放过
B.事故责任者和群众没受到教育不放过
C.事故隐患不整改不放过
D.•负责领导没有受到处罚不放过
[单项选择]按照《城市房地产开发经营管理条例》规定,除特殊情况,在出让合同约定的动工开发期限满1年未动工开发的,可以()。
A. 征收相当于土地使用权出让金20%以下的土地闲置费
B. 征收相当于土地使用权出让金20%以上的土地闲置费
C. 有偿收回土地使用权
D. 无偿收回土地使用权
[单选题]A类、()类施工原则上在非运营时间内进行,不得超出本线允许的作业时间,不得擅自延迟。
A.C1
B.B
C.C
D.Z
[单选题]21.昏睡和昏迷的鉴别中,最有价值的检测项目是
A..能否被唤醒
B..有否吞咽动作
C..是否存在角膜反射
D..膝腱反射消失与否
E..瞳孔对光反射灵敏度
[判断题]低压电器通常指工作在交流1000V及以下电路中的起控制、保护、调节、转换和通断作用的电器。( )
A.正确
B.错误
[单项选择]最常见的脂肪肉瘤为()。
A. 分化良好型脂肪肉瘤
B. 去分化脂肪肉瘤
C. 黏液样脂肪肉瘤
D. 多形性脂肪肉瘤
E. 混合型脂肪肉瘤
[单选题]横向方向曲线外侧和直线上的腕臂柱柱顶应向受力反向倾斜,允许偏差“___”。
A.0~1%
B.0~0.5%
C.0~0.7%
D.0~0.9%
[单选题]固定液的选择性可用下列哪个参数来衡量( )。
A.保留值
B.相对保留值
C.分配系数
D.分离度
E.理论塔板数
[判断题]《铁路旅客运输办理细则》(铁运〔1997〕103号)规定,列车内发现旅客车票漏剪口时应补剪并核收手续费。
A.正确
B.错误
[判断题]自2016年2月1日零时起,DC600V直供电旅客列车始发及途中进行机车换挂或由青藏客车编组的旅客列车换挂青藏发电车供电时,机次一位客车与机车之间的39/43芯通信连接线或青藏发电车与其相邻客车之间的39芯通信连接线不再连结。
A.正确
B.错误
[判断题]列车在区间被迫停车的处置及防护补充规定中,单班单司机值乘的旅客列车防护办法中,仅设1名车辆乘务员(随车机械师)的旅客列车,确需对列车前后两方面或邻线进行防护时处置时:车辆乘务员(随车机械师)、客运乘务组应按司机指挥共同做好防护工作。(前端由司机负责,后端由车辆乘务员或随车机械师负责)。
A.正确
B.错误
[单项选择]It can be seen from the passage that a group will be more efficient in ______.
A. solving problems that need intensive study
B. analyzing information and data
C. dealing with national problems
D. selecting the best solution to a problem
[单项选择]社区照顾模式中,社会工作者的角色包括治疗者、辅导者、教育者、倡议者、顾问、经纪人等,那么下面哪个不是社会工作者承担的经纪人角色的工作( )。
A. 替照顾者向有关方面提出意见和争取改善措施
B. 为服务对象寻找有关的服务
C. 为照顾者小组的活动寻找社区资源
D. 推动照顾者协助服务机构推行服务
E. 向照顾者小组提供财政或社区资源的资料和申请渠道
[判断题]我国铁路直线轨距标准为1345 mm
A.正确
B.错误
[单选题]中间加挂游车的跨装车组通过()及其以下道岔时不得推送调车;遇设备条件不容许或尽头线必须推送时,推进速度不得超过5km/h。
A.6号
B.9号
C.10号
D.12号
[单项选择]颈部最常见的先天性疾病是:()
A. 甲状舌管囊肿和瘘管
B. 鳃裂瘘管
C. 鳃裂囊肿
D. 颈部血管瘤
E. 囊性水瘤
[单选题]首次取得建筑施工特种作业资格证书的人员,在其正式上岗前,应当由用人单位安排不少于( )的实习操作。
A.3个月
B.4个月
C.6个月
D.1年
[多选题]以下哪些是三相异步电动机铭牌上的数据( )
A.型号
B.额定功率
C.额定电流
D.频率
E.转速
[简答题]
An awkward-looking character such as Cyrano de Bergerac might sniff at the suggestion, but recent scientific research shows beauty, brains and brawn may in fact all be allied, writes Dr Raj Persaud.
(46) Psychologists have concluded that we may be drawn to the stereotypically attractive because of what their faces reveal about their intelligence and success in later life. In American, research led by Professor Leslie Zebrowitz, of Brandeis University, has shown an association between facial attractive and IQ. Strangers briefly exposed to a target’s face were able to correctly judge intelligence at levels significantly better than chance.
The same team also researched how a person’s attractiveness might bear relation to their intelligence. They found that good-looking people did better in IQ tests as they aged. (47) Their research sought to prove that how a person perceived himself and was perceived by others predicted how intelligent he appar
[填空题]The term "corporate transparency" has become rather fashionable. The belief that "transparency results in responsibility and ethics" seems to be a new principle for our time. But are naked organisations the new frontier of corporate gover- nance Will transparency prove to be the cure for our corrupt society
Transparency, it seems, is simply the latest attempt to make an old concept- truthfulness-trendy, Our mothers told us that lying is a bad thing; what we now call transparency is merely the embodiment of that advice. But just sharing ever more information will not save society from business malpractice (不法行为).
Indeed, full transparency is often associated with breaches to established rights such as privacy, confi- dentiality, security and safety. However, companies around the world are learning that customers and governments are not interested in more information, more numbers, more reports or more sophisticated press conferences. What civil. society is seeking is tru
[简答题]HSE检查管理制度中规定,季节性检查中以以防雷暴、防设备容器高温超压、防台风、防洪、防暑降温为重点的夏季检查时间是( )。
[判断题]平板阀使用中若阀杆密封盘根轻微泄漏,可通过阀盖上的单流阀向内注入7903密封脂。
A.正确
B.错误
[多选题]关于残缺、污损人民币兑换标准,以下说法正确的是( )
A.能辨别面额,票面剩余四分之三(含四分之三)以上,其图案、文字能按原样连接的残缺、污损人民币,银行业机构应向持有人按原面额全额兑换;
B.能辨别面额,票面剩余二分之一(含二分之一)至四分之三以下,其图案、文字能按原样连接的残缺、污损人民币,银行业机构应向持有人按原面额的一半兑换;
C.纸币呈正十字形缺少四分之一的,按原面额的一半兑换;
D.五分按半额兑换的,兑付三分。
[单选题]高强度螺栓芯部硬度试验在距螺杆末端等于螺纹直径 d 的截面
上进行,对该截面距离中心的四分之一的螺纹直径处,任测四点,取 ( )
平均值。
A.前三点
B.后三点
C. 四点
D.中间两点