热门试题:
[判断题]集中型馈线自动化应用模式配电线路开关类型可采用断路器或负荷开关,具备配电自动化接口:三相电流、
零序电流(可选配)、三相电压或线电压、电动操作机构。
A.正确
B.错误
[简答题]《铁路行包运输管理办法》中,押运人需途中巡视看管(喂养)作业时间有何规定?
[单选题].在各种水枪中,直流水枪喷射距离最远。( )(中)
A.正确
B.错误
[判断题]停电作业时,作业人员(包括所持的机具、材料、零部件等)与周围带电设备的距离不得小于下列规定:10kV 及以下为 1000mm。
A.正确
B.错误
[单项选择]妇女孕期患风疹易引起胎儿发生:()
A. 代谢性白内障
B. 并发性白内障
C. 先天性白内障
D. 老年性白内障
[单项选择]从外部条件看,()在安全生产工作中居于中心的地位,担负着确保一方平安的重要领导职责。
A. 工会
B. 安全生产综合监管部门
C. 各级人民政府
D. 安全生产中介机构
[单项选择]物流中心在供应链中所处的位置,主要是针对()而言的。是处于其上游还是下游,则物流中心的服务内容是截然不同的。
A. 制造商
B. 批发商
C. 零售商
D. 消费者
[单选题]
原理接线图表明二次设备的工作原理和回路编号,既可作为二次接线设计的原始依据,又可直接用于施工。
A. 对
B. 错
[单选题]施工单位的做法是否属于违法( )。
A..是
B..否
[单项选择]按GB7588-2003《电梯制造与安装安全规范》规定,蓄能型缓冲器的设计应能在静载荷为轿厢质量与额定载重量之和的2.5倍至()倍时达到规定的行程。
A. 3
B. 4
C. 5
[单项选择]
Passage Two
In the past, people who graduated from college felt proud of their academic achievement and confident that their degree would help them to find a good job.
However, in the past four years the job market has changed dramatically. This year’s college graduates are facing one of the worst job markets in years. For example,. Ryan Stewart, a graduate of San Jose State University, got a degree in religious studies, but he has not gotten any job offers. He points out that many people already working are getting laid off and don’t have jobs, so it’s even harder for new college graduates to find jobs.
Four years ago, the future looked bright for the class of 2003. There were many high- tech ( "dot com") job opportunities, graduates received many job offers, and they were able to get jobs with high salaries and benefits such as insurance and paid vacations. However, "Times have changed. It’s a new market,&quo
A. Ryan Stewart has not been able to find a job
B. a college career center is a crossroads between college and the real world
C. in some fields, salaries have increased in the past year
D. between 1999 and 2003, the job market changed dramatically
[单选题]填用配电第一种工作票的工作,应得到( )的许可,并由工作负责人确认工作票所列当前工作所需的安全措施全部完成后,方可下令开始工作。
A.现场工作许可人
B.配电运维人员
C.全部工作许可人
D.值班调控人员
[单选题] 施工现场临时道路应起拱 5‰,两侧做宽 300mm,深( )mm 的排水沟。
A.300
B.500
C.400
D.200
[单项选择]线程同步中,对象加锁应该注意 ( )
A. 返还对象的锁
B. 用synchronized保护的共享数据必须是私有的
C. Java中对象加锁具有可重用性
D. 以上都对
[判断题]高速铁路线路为预防和整治钢轨接头病害,改善轮轨匹配关系,延长钢轨使用寿命,应做好钢轨修理工作。
A.正确
B.错误
[判断题]聚合果由离心皮雌蕊发育而成。
A.正确
B.错误
[单选题]求解合力的过程叫( )。
A.力矩
B.力偶
C.力的合成
D.力的分解
[单项选择]我国刑法规定,对于享有外交特权和豁免权的外国人的刑事责任,其解决的途径是()。
A. 通过外交途径
B. 通过国际法院
C. 通过国际条约
D. 通过刑事诉讼
[单项选择] Questions 57 to 61 are based on the following passage.
Basic to any understanding of Canada in the 20 years after the Second World War is the country’s impressive population growth. For every three Canadians in 1945, there were over five in 1966. In September 1966, Canada’s population passed the 20 million mark. Most of this surging growth came from natural increase. The depression of the 1930s and the war had held back marriages, and the catching-up process began after 1945. The baby boom continued through the decade of the 1950s, producing a population increase of nearly fifteen percent in the five years from 1951 to 1956. This rate of increase had been exceeded only once before in Canada’s history, in the decade before 1911 when the prairies were being settled.
Undoubtedly, the good economic conditions of the 1950s supported a growth in the population, but the expansion also derived from a trend toward earlier marriages and an increase in the average size of
A. the urban population decreased rapidly
B. fewer people married
C. economic conditions were poor
D. the birth rate was very high
[单项选择]浸淫四窜,黄水淋漓,最易沿表皮蚀烂,越腐越痒,多为
A. 风胜
B. 湿胜
C. 热胜
D. 虫淫
E. 血虚
[判断题]运行揭示调度命令与实际限速、行车方式或设备不符时,列车调度员需要发布调度命令。
A.正确
B.错误
[单选题]发射机天线的作用是定向或不定向的向外( )能量
A.调频
B.辐射
C.调相
D.调制
[单项选择]
概念A与概念B之间有交叉关系,当且仅当,(1)存在对象x,x既属于A又属于B;(2)存在对象y,y属于A但不属于B;(3)存在对象z,属于B但不属于A。
根据上述定义,以下哪项中加点的两个概念之间有交叉关系()
A. 国画按题材分主要有人物画、花鸟画、山水画等;按技法分主要有工笔画和写意画等。
B. 《盗梦空间》除了是最佳影片的有力争夺者外,它在技术类奖项的争夺中也将有所斩获。
C. 洛邑小学30岁的食堂总经理为了改善伙食,在食堂放了几个意见本,征求学生们的意见。
D. 在微波炉清洁剂中加入漂白剂,就会释放出氯气。
E. 高校教师包括教授、副教授、讲师和助教等。
[单选题]老年人处于认知症哪个阶段?( )
A.晚期
B.早期
C.中期
D.临终期
E.重症期
[单选题]下列对于混凝土特性的描述正确的是( )。
A.水灰比越大,收缩越小
B.水泥用量越多,收缩越小
C.养护环境湿度越大,温度越高,收缩越大
D.骨料的弹性模量越高,所占体积比越大,收缩越小
[单选题]中队(站)集合时,由( )下达“各分队报数”的口令,各分队长在队列内向指挥员报告人数,如“第×分队到齐”或者“第×分队实到××名”。
A.指挥员
B.基准兵
C.各班长
D.队列最后一名
[单项选择]头孢类抗生素过敏常引起()
A. 夜间干咳
B. 慢性间质性肾炎
C. 药物诱发的小血管炎
D. 急性过敏性间质性肾炎
E. 血小板减少和急性肾衰竭
[判断题]精煤泥离心机筛缝变大可能导致精煤泥的灰分升高。
A.正确
B.错误
[单项选择]衬衫袖山与西装袖山结构线成()不同,引起造型风格的变化。
A. 形态
B. 数量
C. 部位
D. 效果
[单选题]床铺应当铺垫整齐。被子竖叠3折,横叠( )折。
A.1
B.2
C.3
D.4
[单项选择]根据美国经济学家罗斯托(W.W.Rostow)提出的划分经济阶段的“五阶段论”,“经济上已经完全工业化,各种生产在世界上处于领先地位”的阶段是()
A. 起飞前准备阶段
B. 起飞阶段
C. 走向成熟阶段
D. 大量消费阶段
[单项选择]Ⅱ类设备的绝缘电阻在直流电压为500v的条件下测试,其包括的内容中不正确的是______。
A. 工作绝缘的绝缘电阻不得低于2MΩ
B. 保护绝缘的绝缘电阻不得低于5MΩ
C. 加强绝缘的绝缘电阻不得低于7MΩ
D. 双重绝缘的绝缘电阻不得低于10MΩ
[多项选择]承包商对于诸如“由于法律、财务等原因导致发包人已无法继续履行或实质上已停止履行本合同的义务”等情况,有权提出提前解除合同。此时,承包商行使的权力不是( )。
A. 异时履行抗辩权
B. 同时履行抗辩权
C. 后履行抗辩权
D. 不安抗辩权
E. 先时履行抗辩权