热门试题:
[单选题] 测控装置的IRIG-B时间同步准确度要求为≦()。
A. 1ms
B. 3ms
C. 5ms
D. 10ms
[单项选择]有关胆红素代谢的叙述,不正确的是()。
A. 体内胆红素80%以上来自衰老红细胞中血红蛋白的分解
B. 未与葡萄糖醛酸结合的胆红素,称为未结合胆红素
C. 未结合胆红素又称间接胆红素
D. 未结合胆红素可以经肾排出
E. 尿液中含有胆红素,即反映血清结合胆红素浓度增高
[单项选择]Remember Second Life, the virtual world that was supposed to become almost as important as the first one Now populated by no more than 84,000 avatars at a time, it has turned out to be a prime example of how short-lived Internet fads can be. Yet if many adults seem to have given up on virtual worlds, those that cater to children and teenagers are thriving. Several have even found a way to make money.
In America, nearly 10 million children and teenagers visit virtual worlds regularly, estimates eMarketer, a market researcher-a number the firm expects to increase to 15 million by 2013.As in January, there were 112 virtual worlds designed for under-18s with another 81 in development, according to Engage Digital Media, a market research firm.
All cater to different age groups and tastes. In Club Penguin, the market leader, which was bought by Disney in 2007 for a whopping $ 700 million, primary-school children can take on a penguin persona, fit out their own igloo and play game
A. Online world promotes transaction without seeing the currencies, thus boosting the consumption.
B. Things in the online world do not need to be taxed, and then is cheaper than actual ones.
C. Companies have already paid the tax for the players.
D. People buy things in the online world in a largely unnoticed way, either by himself or by others.
[单项选择]为了解决依靠人的可靠性和安全技术可靠性所不能解决的生产事故和劳动疾病问题,职业健康安全管理体系应用的理论和方法是( )。
A. 系统论
B. 管理学
C. 心理学
D. 组织行为学
[多项选择]我国人民法院对下列各项在我国境内没有住所的被告提起的合同或者其他财产权纠纷的诉讼,可依法行使管辖权的有哪几项( )
A. 被告正在我国旅游
B. 有关合同在中国履行
C. 被告在我国境内有可供扣押的财产
D. 诉讼标的在我国境内
[单选题]男,20岁。发热伴皮肤出血点1周。查体:浅表淋巴结无肿大,胸骨压痛(一),肝脾肋下未触及。血常规:Hb70g/L,WBC1.5x109/L,N0.20,L0.80,Plt110x109/L,Ret0.001。该患者最可能的诊断是( )
A.溶血性贫血
B.再生障碍性贫血
C.巨幼细胞贫血
D.急性白血病
E.特发性血小板减少性紫癜
[判断题](1分)起吊电杆等长物件应选择悬挂方便的吊点,并采取防止突然倾倒的措施。( )
A.正确
B.错误
[单选题]有尺切迹的骨是( )
A.肩胛骨
B.肱骨
C.桡骨
D.尺骨
E.胸骨
[判断题]挫折属于消极方面的,对人毫无用处。( )
A.正确
B.错误
[判断题]技术交接工作不可采取TFDS动态检查的方式进行。
A.正确
B.错误
[填空题]做好安全防护措施后工作领导人或联络员将该项作业所涉及的<--NRC-->完整地通知对应变电所(含有人值班开闭所,下同)值班员。
[多选题] 依据《防止电力生产事故的二十五项重点要求(防止火灾事故)》.关于天然气系统.下列说法正确的是( )。
A.其设计和防火间距应符合《石油天然气工程设计防火规范》
B.其新建、改建和扩建工程项目应进行安全评价
C.其防火、防爆设施应与主体工程同时设计、同时施工、同时验收投产
D.应定期对天然气系统进行火灾、爆炸风险评估
[单选题]多个单位在同一个区间施工时,原则上应分别按规定进行防护,由()负责划分各单位范围及分界。
A.A.施工主体单位
B.B.配合施工单位
C.C.车间主任
D.D.作业负责人
[单选题]如下哪个单板可以实现C波段奇数波和偶数波的复用
A.OMU
B.ODU
C.OGMD
D.OCI
[单选题]读“大漠沙如雪,燕山月似钩”的诗句,脑中反映出相应的场景,这种想象是 ( )。
A.无意想象
B.再造想象
C.创造想象
D.幻想
E.以上都是
[单项选择]RNA的主要合成部位是()
A. 高尔基体
B. 核糖体
C. 粗面内质网
D. 核仁组织区
E. 滑面内质网
[多选题]施工中对高处作业的安全技术设施发现有缺陷和隐患时.应当如何处置?( )
A.发整改通知单
B.必须及时解决
C.悬挂拿权警告标志
D.危及人身安全时.必须停止作业
E.追究原因
[填空题]Group dates give young people a chance to get to know many other young people and __________________(度过一个更加轻松愉快的夜晚).
[不定项选择题]A.同步直流电复律
A.非同步直流电复律
B.体外反搏术
C.起搏器临时起搏
D.以上都不宜用
E.急性心肌梗死时发生心室颤动尽快应用
[判断题]在电力设备由一种运行方式转为另一种运行方式的操作过程中,被操作的有关设备均应在保护范围内,部分保护装置可短时失去选择性。( )
A.正确
B.错误
[单项选择]Summer is winding down, but it’s still not too late to put the top down and hit the road. For those of us who can’t spring for a Corvette or a BMW, here’s some good news: Two of the coolest convertibles on the road are also more affordable—Volkswagen’s New Beetle and Chrysler’s PT Cruiser.
Both start at about $20,000, seat four, and get between 22 and 24 miles per gallon from their four- cylinder engines. Each has fully insulated cloth tops with rear windows made of real glass, which makes them comfortable to use in winter. Front-wheel drive helps make them safer to drive over snow and ice. Both also offer high-performance turbocharged models starting at about $25,000.Both have bulging fenders and cool, retro personalities.
Beyond that, they’re very different. The PT Cruiser focuses on practicality, while the Beetle is more fun to drive.
That fun comes from the car’s chassis, suspension, and overall structure. Crank the steering into a turn and the car follows like an ea
A. Its reputation as a "chick car".
B. Its folded top sits above a tiny trunk, with only five cubic feet of capacity and accessible through a smaller porthole.
C. Crank the steering into a turn and the car follows like an eager puppy.
D. As with the New Beetle hatchback, the windshield is far away, and the wipers clear only a small slit of a view in front.
[判断题]HXD3C型机车采用微机网络控制系统,实现了逻辑控制、自诊断功能,而且实现了机车的网络重联功能。
A.正确
B.错误
[单选题]是CRH380B型动车组充电机单元的简称。
A.BC
B.DC
C.AC
D.ACU
[判断题] ( )通过改变发电机调节器弹力无法将电压调整到规定值时,则应对触点调节器衔铁间隙和触点间隙进行必要的调整。
A.正确
B.错误
[多选题]从世界比较看,大国经济的特征都是( )。
A.内需为主
B.内部可循环
C.外需为主
D.外部可循环
[判断题]挂工作接地线时,应先接接地端,后接导线或地线端。接地线连接应可靠,不得缠绕。拆除时的顺序与此相反。
A.正确
B.错误
[单选题]长征胜利地跨越了( )个省,中央红军的总行程达2.5万里以上。
A.10
B.11
C.12
D.13
[单选题]扑救高层建筑火灾的重要任务是( )。
A.有效进行人员疏散
B.有效进行排烟
C.有效进行火情侦查
D.有效控制火势蔓延
[判断题]正压式氧气呼吸器是消防员和抢险救护人员在有毒.缺氧.烟雾.悬浮于空气中的有害污染物等恶劣环境中,进行抢险救灾或从事灾情处理工作时佩戴使用的呼吸保护器具。
A.正确
B.错误
[多选题]标准化的作用包括()。
A.消除贸易中的技术壁垒
B.促进技术合作
C.为衡量质量水平提供技术依据
D.促进标准更新
E.为科学管理、信息传递提供技术保证
[单选题]区域型营销组织的结构包括( )。
A.一名负责全国业务的经理,一名区域经理
B.一名负责全国业务的经理,若干名区域经理和地区经理
C.多名负责全国业务的经理,多名地区经理
D.多名负责全国业务的经理,一名区域经理
[单项选择]This play is so boring that I feel a bit sleepy.
A. interesting
B. exciting
C. lazy
D. dull
[多选题] 第五套人民币中的_____使用了固定人像水印。
A.100元
B.50元
C.20元
D.10元
[判断题]在火灾事故死亡人员中,大多数是被烟雾窒息而死的。( )
A.正确
B.错误
[判断题]对新录用的人民警察实行考察期制度,期限为一年。( )
[单选题]接发列车时,双线车站一端进站信号机至另一端站界标间一段线路,称为( )。
A.接车进路
B.发车进路
C.通过进路
D.调车进路
[多选题]在汇兑结算方式下,如果付款人转账支付款项,该账户的款项不可以转入()。
A.A、业务支出账户
B.B、个体工商户的基本存款账户
C.C、个人储蓄账户
D.D、单位银行卡账户
[多选题]事发后的恢复,指( )。
A.在应急行动结束后
B.对系统进行恢复
C.确保尽快进入正常程序
D.立即采取措施