热门试题:
[单选题]串联网路的总风量( )各条巷道的风量。
A.大于
B.小于
C.等于
[判断题]在信道编码中,卷积码非常适用于纠正随机错误,但是,解码算法本身的特性却是:如果在解码过程中发生错误,解码器可能会导致突发性错误。
[单选题]依据《中国南方电网有限责任公司安全工作奖惩规定》(Q/CSG2061036-2020)第四条规定:作出的问责决定,属于本单位安全工作内部决定,( )处理和判定法律责任以及公司其他领域工作的依据。
A. 宜作为
B. 不作为
C. 视情况
D. 经本单位领导同意后可作为
[判断题]开展仓库基础硬件设施摸底调研,本着“实事求是、信息准确”原则。
A.正确
B.错误
[单项选择]If you intend using humor in your talk to make people smile, you must know how to identify shared experiences and problems. Your humor must be relevant to the audience and should help to show them that you are one of them or that you understand their situation and are in sympathy with their point of view. Depending on whom you are addressing, the problems will be different. If you are talking to a group of managers, you may refer to the disorganized methods of their secretaries; alternatively if you are addressing secretaries, you may want to comment on their disorganized bosses.
Here is an example, which I heard at a nurses’’ convention, of a story which works well because the audience all shared the same view of doctors. A man arrives in heaven and is being shown around by St. Peter. He sees wonderful accommodations, beautiful gardens, sunny weather, and so on. Everyone is very peaceful, polite and friendly until, waiting in a line for lunch, the new arrival is suddenly pushed as
A. in well-worded language.
B. as awkwardly as possible.
C. in exaggerated statements.
D. as casually as possible.
[单选题] 固体可燃物燃烧而引起的火灾是()。(易)
A.A类火灾
B.B类火灾
C.C类火灾
D.D类火灾
[单选题]柴油发电机湿式空气滤清器的底部装有一定数量的(),将空气中的灰尘和杂质吸附下来。
A.机油
B.纯净水
C.酒精
D.清洗剂
[多选题]BEO01输人设备是计算机的重要组成部分,常用的输人设备有()等。
A.扫描仪
B.键盘
C.鼠标
D.复印机
[简答题]按照集团公司《高速铁路电力管理实施细则》的规定,运行电抗器发生什么情况时,应立即停止运行?
[单选题]工作负责人应负责督促、监护工作班成员遵守本规程,正确使用()和执行现场安全措施。
A.安全工器具
B.验电笔
C.绝缘手套
D.劳动防护用品
[填空题]In recent years, there has been a big increase in air travel and many large airports have now reached the limit of the number of aircraft movements they can{{U}} (36) {{/U}} The problem is made worse by the size of many major cities which prevents the{{U}} (37) {{/U}} of existing airports. Any new airports to be built a long way from city centers will create{{U}} (38) {{/U}}problems arid in many countries there simply isn’t enough land for such developments.
Now a new{{U}} (39) {{/U}}has been put forward which would help to{{U}} (40) {{/U}} the congestion, as far as short flights are concerned. This{{U}} (41) {{/U}}the use of smaller aircraft, carrying about 50 passengers, which only require a short take-off or landing area and which make{{U}} (42) {{/U}}little noise because they are propeller-driven.
The main problem{{U}} (43) {{/U}}is the question of noise.{{U}} (44) {{/U}} , that any government can expect to find considerable resistance to building new airp
[单选题]列车停留超过( )时,应对列车自动制动机应进行简略试验。
A.10min
B.15min
C.20min
[判断题]中国历史上第一个全国性的专职警察机构是1898年在长沙成立的“湖南保卫局”。( )
[单选题]隐患排查前应(),明确排查的目的、范围,选择合适的排查方法。排查方案应依据:(1)有关安全生产法律、法规要求;(2)设计规范、管理标准、技术标准;(3)企业的安全生产目标等。
A.编制检查方案
B.制定排查措施
C.制定排查方案
[判断题]以下行为是否正确:工作负责人(专责监护人)不在现场的不干。( )
A.正确
B.错误
[多选题]一段电路的欧姆定律用公式表示为( )。
A.U=I/R
B.R=U/I
C.U=I R
D.I=U/R
[单项选择]新风机组的监控内容有风量的控制和()。
A. 轴承的质量和速度
B. 轴承的振动和寿命
C. 轴承的质量和温度
D. 轴承的振动和温度
[单选题]应在救生艇内明确地标
出每个()。
A.属具位置
B.座位位置
C.通道位置
D.进出口位
置
[单选题]地震发生后,( )应第一时间赶赴震区侦察灾情、报告信息。
A. 灾情速报员
B. 前突小队
C. 专业队
D. 机动力量
[判断题]如发生重大事项后,拟发行公司仍符合发行上市条件的,拟发行公司应在报告中国证监会后第3日刊登补充公告。( )
[单项选择]患者,女性,18岁。主诉近8个月来出现脾气急躁,并有多食消瘦、易出汗、手颤的症状,检查发现甲状腺轻度肿大,质软,有轻度突眼,颈部闻及血管杂音。若对于该患者采用药物治疗,用药指导不正确的是()
A. 用药期间不能随意间断用药
B. 轻度药疹可用抗过敏药物缓解
C. 开始服用时需每周检查血白细胞计数1次
D. 如发现白细胞计数低于4.5×109/L要停药
E. 应定期随访疗效
[单选题]动车组空调系统为避免压缩机频繁起动及多台压缩机同时起动,每台压缩机在 起动后延时起动,多台压缩机间隔顺序起动。
A.节流装置
B.蒸发器
C.冷凝器
D.冷凝风机
[单选题]编织填料的材料种类很多,如合成纤维和( )等。
A.胶合填料
B.陶瓷
C.夹心编织填料
D.柔性石墨填料
[单选题]现场办理工作许可手续前,工作许可人应与()核对线路名称、设备双重名称,检查核对现场安全措施,指明保留带电部位。
A.A.工作负责人
B.B.工作签发人
C.C.工作班成员
D.D.部门领导
E.略
F.略
G.略
[多选题]车站的图像摄取范围为每站的A等处,还能覆盖()等处
A.站台、站厅、自动扶梯
B.AFC售票机
C.列车
D.闸机
[单选题]电缆起吊作业中,起重钢丝绳用于供人升降时,安全系数为(____)。
A.3.5
B.4.5
C.10
D.14
[单选题]煤气与空气混和速度的快慢,将会直接影响到煤气的燃烧速度和火焰的( )。
A.亮度
B.长度
C.温度
D.直径
[单项选择]What can we learn about the growth rate of population
A. The total growth rate of world population will increase.
B. The growth rate of population in richer countries will increase.
C. The growth rate of population in poor countries will increase.
D. The total growth rate in American countries will increase.
[填空题]设有双向闭塞设备的双线自动闭塞区间改按单线行车的补充规定, 正方向按( )行车,反方向按自( )行车。
[单选题]依据《中国南方电网有限责任公司电力安全工作规程》,作业人员应在()的保护范围内作业。
A.接地线
B.隔离栏
C.绝缘罩
[单选题]低压装表接电时,( )。
A.应先安装计量装置后接电
B.应先接电后安装计量装置
C.计量装置安装和接电的顺序无要求
D.计量装置安装和接电应同时进行
[单选题]( ) 不是车身倾斜的原因。
A.车架轻微变形
B.单侧悬挂弹簧弹力不足
C.减振器损坏
D.轮胎气压不平衡
[单选题]公安民警必须执行上级的决定和命令,如果认为上级的决定和命令有错误的,应该怎么做?()
A.拒绝执行
B.可以提出意见,但不得中止或者改变决定和命令
C.变更执行
D.先提出意见,不被采纳则拒绝执行