热门试题:
[多项选择]运动性贫血的指数,男子的血红蛋白量低于多少克,女子低于多少克,就是运动性贫血()
A. 12
B. 11
C. 10.5
D. 9.5
[单选题]无产阶级革命的根本问题是()。
A.国家政权问题
B.农民问题
C.武装斗争问题
D.统一战线中的领导权问题
[判断题]安全阀按照公称压力分为低压安全阀、中压安全阀、高压安全阀和超高压安全阀。( )
A.正确
B.错误
[多项选择]《关于建立股指期货投资者适当性制度的规定(试行)》的制定目的包括()。
A. 督促期货公司建立健全内控、合规制度
B. 督促期货公司建立并完善以了解客户和分类管理为核心的客户管理和服务制度
C. 保障股指期货市场平稳、规范和健康运行
D. 保护投资者合法权益
[单选题]肺:呼吸
A.医院:治疗
B.牙齿:咀嚼
C.心脏:思考
D.拐杖:行走
[单选题]两算对比是指施工图预算和
A.设计概算
B.竣工决算
C.投资估算
D.施工预算
[多选题]车内易发生火灾的部位是( )
A.旅客携带“三品”
B.旅客吸烟
C.暖管下有可燃物。
[判断题]229.汽轮机上下缸最大温差通常出现在调节级处,动静间隙最小处也在调节级部分,所以在汽轮机启停机、变工况运行时应特别对调节级进行加强监视。
A.正确
B.错误
[单项选择]结构化分析方法是面向( )的自顶向下逐步求精进行需求分析的方法。
A. 对象
B. 数据结构
C. 数据流
D. 目标
[判断题]因灾害、设备故障中断运营后,返空回段的列车须经控制中心主任批准,方可反方向运行,列车占用区间的凭证为路票,凭接车站接车人员引导手信号进站。()
[判断题] 对称的三相电源是由振幅相同.初相依次相差120°的正弦电源,连接组成的供电系统。( )
A.正确
B.错误
[单项选择]增发的发行价格应该()公告招股意向书前20个交易日公司股票均价或前一个交易日的均价。
A. 低于
B. 不低于
C. 高于
D. 不高于
[单项选择]工程质量监督机构是经( )建设行政主管部门或有关专业部门考核认定的具有独立法人资格的单位。
A. 县级以上
B. 地、市级以上
C. 省级以上
D. 国务院
[单选题]急性牙髓炎最有效的应急处理方法是
A.消炎止痛
B.安抚治疗
C.开髓引流
D.调牙合磨改
E.针刺镇痛
[多选题] 事故调查过程中,因( )等,需要变动现场,必须经单位有关领导和安监部门同意,并做出标志、绘制现场简图、写出书面记录,保存必要的痕迹、物证。
A.紧急抢修
B.避让行人
C.防止事故扩大
D.疏导交通
[单选题]下列事故状态中,剩余电流动作保护装置的不能起作用的是( )。
A.设备外壳接地,发生漏电事故
B.设备外壳接零的时候发生漏电事故
C.电工检修线路的时候不慎双手同时触碰到火线和零线
D.车间内一台设备外壳未按要求采取接零和接地措施,漏电时工人接触设备外壳
[不定项选择题]共用题干
Beauty or Comfort?
People in Beijing wear a lot of clothing during winter to fend off the cold.In the United States, however,people wear(51)________,partly because the car is the primary mode of transportation. Cars take(52)________straight to their workplaces,which are heated well. The American diet is full of calories,so their(53)_______can afford to burn heat more quickly.
Fewer layers of clothing give people the opportunity to stay(54)_______.Lots of Yales girls wear skirts(55)________when it's 10 degree Centigrade outside.Some of them at least wear boots,tights,and leg-warmers.Some,however,really just go for the look(56)_________the risk of health.These girls have nothing to prevent their legs(57)_________the wind,and no socks to protect their feet.A mini skirt and a pair of stilettos are all that they wear.
Typically,the ones pursuing fashion are(58)_______,with little body fat. Just by the nature of their bodies,they are already at a disadvantage compared with normal people in (59)________ weather. I have always(60)_______whenever I pass these girls,how they manage to refrain from shivering and just smile like spring had arrived.
And then there are the guys.The girls can be said to(61)_________health for beauty.But why do guys(62)_________so little?It is not like,once they shed some layers, they suddenly become better-looking. They are not exactly being fashionable when they(63)_________wear sporty shorts and shower slippers in the midst of winter. It's not cute.
Of course,people have the freedom to look whatever(64)__________they want. I am just surprised that,given the vast difference between winter and summer temperatures in Connecticut,they can still(65)________like they are partying on the beach in the middle of February.
_________(61)
A.sacrifice
B.devote
C.suffer
D.endure
[判断题]建筑物顶棚、吊平顶、保暖层、装饰面板、水泥石灰粉 饰层内严禁采用明线直接敷设。
A.正确
B.错误
[单选题]低压电力电缆中应包含全部工作芯线和用作工作零线、保护零线的芯线。其中( )色芯线用作工作零线(N线)。
A.黄绿
B.黄
C.绿
D.淡蓝
[判断题]计轴受扰后,行调和车站共同确认故障影响范围,确认线路空闲后,车站在现地操作工作站(LCS)上对计轴区段进行预复位操作,行调组织首列车限速25km/h通过该区域;()
A.正确
B.错误
[判断题]采用常高压给水系统并能保证最不利点消火栓和自动喷水灭火设备等的水量和水压的建筑物,或设置干式消防竖管的建筑物,可不设高位消防水箱。
[填空题]家兔的体表有(),它用肺呼吸,心脏四腔,有体循环和肺循环两条循环路线,运输氧气能力强,所以,家兔有能力调节体温来维持体温的恒定,这样的动物叫做恒温动物(哺乳类、鸟类)。家兔靠跳跃来运动,后肢长且肌肉发达。
[单选题]磷酸氢钠干粉是以含量不少于( )的磷酸氢钠为原料制成的干粉。
A.60%
B.70%
C.80%
D.90%
[多选题]列车在区间被迫停车不能继续运行时,司机应立即使用列车无线调度通信设备通知两端站(列车调度员)及车辆乘务员(随车机械师),报告停车原因和停车位置,根据需要迅速请求救援。需要防护时,如何处理( )。《技规》第366条
A. 列车前方由司机负责
B. 列车后方由车辆乘务员(随车机械师)负责,无车辆乘务员(随车机械师)为列车乘务员负责。
C. 配备列车防护报警装置的列车应首先使用列车防护报警装置进行防护。
D. 单班单司机值乘的列车防护作业办法由铁路局规定。
[单选题]B-D-A-001 4 2 1
列车广播机设备电源部分由( )和开关隔离电源组成,完成电源干扰波动抑制,为数字列车广播机的其他部分提供工作电
源。
A.电源滤波
B.整形
C.变压
D.信源
[判断题]调车作业时,指挥机车向显示人方向来的信号,昼间为展开的绿色信号旗在下部左右摇动;夜间为绿色灯光在下部左右摇动。()
A.正确
B.错误
[单项选择]中国居民平衡膳食宝塔的第一层是()
A. 肉、禽、鱼、蛋类
B. 蔬菜和水果类
C. 乳类和豆类
D. 油脂和盐
E. 谷类和薯类
[单项选择]The pSeries sales representative has done an excellent job in educating the customer on the benefits of working with IBM. The customer is planning to implement their first ERP application. This new application will be critical to running their business. The customer has only a competitor’s UNIX systemcurrently installed. They are interested in obtaining a proposal from IBM. In addition to the AIX hardware and HACMP software, what else should be included in the IBM proposal for the new ERP solution?()
A. I/T services and education to help with the implementation of the hardware and software
B. A Supportline specialist to work directly with the customer to manage any issues that arise
C. The services required to move the currently installed applications from the competitor’s systems to the IBM systems
D. A slimmed down solution to ensure that the IBM solution is less expensive than the competitor’s solution
[多项选择]情景:
你是李明,你明天要外出度假,希望你的朋友Mike能够照看你的宠物猫,可是他不在家。
任务:
请用英语给Mike留一张50字左右的便条,告诉他:
·每天用鱼和牛奶喂猫3次;
·每隔一天给猫洗一次温水澡;
·外出时一定要关好门窗,以防猫丢失。
Dear Mike,
...
Yours,
Li Ming
[单项选择]在程序运行过程中,______时可能需要进行整型数据与浮点型数据之间的强制类型转换。
①访问数组元素 ②进行赋值运算
③对算术表达式求值 ④进行递归调用
A. ②③
B. ①②
C. ①③
D. ②④
[单选题]唯物辩证法的总观点和总特征是 ( )
A.运动变化的观点
B.矛盾双方对立统一的观点
C.联系和发展的观点
D.运动和静止辩证统一的观点