热门试题:
[单选题]从业人员应当服从安全生产管理,遵守( )和操作规程。
A.本单位安全生产规章制度
B.工会纪律
C.公司章程
[单项选择]如果企业收入增加,节约开支,提高了毛利额,而(),那么企业的劳动生产力就提高了。
A. 职工人数增加
B. 职工人数不变
C. 职工人数减少
D. 原料成本提高
[单选题] 热通过流动介质将热量由空间中的一处传到另一处的现象,叫做( )。(中)
A. 热传导
B. 热辐射
C. 热对流
D. 热传播
[单选题]The activation of any detector or manually operated call point shall initiate a visual and audible fire signal at the control panel and indicating units. If the signals have not received attention within minutes an audible alarm shall be automatically sounded throughout the crew accommodation and service spaces, control stations and machinery spaces of category A
A.1
B.2
C.3
D.5
[判断题]CR400BF 型动车组主供风单元(A01)采用电动螺杆式空气空压机和双塔干燥器,可以长时间持续工作。主供风单元采用集成模块化设计,整体吊装在 M02 和 M07 车底架设备舱内。
A.正确
B.错误
[填空题]生育社会保险从保险对象和筹集基金规模而言,是()险,从其保险的支付期限来看,是()险,但从其承担的重大责任来看,则是()险。
[单项选择]以下有关服药时间的描述,错误的是( )
A. 滋补药宜饭后服
B. 解表药应趁热服
C. 驱虫、攻下药应空腹服
D. 安神药应睡前服
E. 慢性病应清晨服
[单选题]重点部位防火规定出入人员按要求履行( )。
A.签到
B.签退
C.登记手续
D.巡视责任
[判断题]大型赛事雪地运动场通常利用氨气制冰制雪,氨气具有易燃易爆、有毒等危险特性,氨气罐是安全管控重点。( )
A.正确
B.错误
[单选题]110kV及以下电网均采用( )重合闸。
A.单相
B.三相
C.综合
[单选题]对于滚筒过卷防碰,( )的设定是个难题,尤其是起下钻时。
A.工况
B. 时间
C. 钩速
D.刹车点
[单项选择]
It’s well known that people in the west are very loud of pets. Almost every family has a pet. Just about every pet owner has a story about his pets and is eager to share it with anyone who will listen. So it is not a very difficult task for all kinds of newspapers to offer readers many stories about animals. Here is one:
One morning last summer Mrs. Andrews mode some sausage - sandwiches for her husband’s lunch. There was one sausage left over. Mrs. Andrews didn’t care for sausages herself, and so she gave the last one to Henry, their little dog that was deeply loved by both off them and has lived with them for many years. Henry ate it up quickly.
During the morning the dog got ill. He would not stop shaking his head, refuse to eat anything and what’s more, he couldn’t stand up properly. Mrs. Andrews thought, "He’s eaten something that didn’t agree with him. Maybe that sausage was bad, ... " She suddenly
A. Because the sausage he ate contained something bad.
B. Because he ate too many sausages at one time.
C. Because the dog was too old and had been ill for a long time.
D. Because his head had been struck by a bottle of milk.
[单项选择]The period during (when) people (learned to) smelt iron is (called) (the) Iron Age.
A. when
B. learned to
C. called
D. the
[判断题]建设银行信用卡个人预借先进额度最高不得超过信用额度的40%.
[单项选择]诊断急性糜烂性出血性胃炎的主要根据是()
A. 出血的临床表现
B. 胃液分析
C. 急诊胃镜检查
D. 胃钡餐造影
E. 胃粘膜脱落细胞学检查
[单项选择]肖山,自幼小儿麻痹,与家中老母相依为命,其全家生活主要依靠邻居接济。张源,11岁,其父母因火灾双亡,与外婆相依为命,但外婆已无劳动能力。于洋,下岗职工,有两个女儿,靠收废品维持生活,每月略有节余。以上三人中不属于城市低保对象的是( )。
A. 肖山
B. 张源
C. 于洋
D. 张源和于洋
[多项选择]管道永久附属件碳钢Q1级、Q2级、Q3级和NC级焊缝要求的检验包括()
A. 射线检验
B. 外观检验
C. 液体渗透检验或磁粉检验
D. 超声波检验
[简答题]简述套管拆除模板时,对混凝土强度有什么要求?
[判断题]消防水池通常设有消防车道和取水口。
A.正确
B.错误
[单项选择]The _______mortality rate had gone up greatly during the past 10 years.
A. infant
B. maternal
C. male
D. middle-aged
[多选题]安全训练主要包括安全防护技能训练、()、()、自救互救训练等内容
A.安全常识训练
B.安全操作技能训练
C.应急避险训练
D.安全装备训练
[不定项选择题]A.3分子ATP
A.2.5分子ATP
B.1.5分子ATP
C.5分子ATP
D.2分子ATP
E.还原当量经琥珀酸氧化呼吸链可得
[单选题]带式输送机大多采用()防偏保护装置。
A.行程开关式
B.碳极式
C.以上都不对
D.传感器式
[单选题]用 cron 编辑3 4 * * 5:每周执行一次,每周五4点3分执行。
A. 对
B. 错
[判断题]当月增加的无形资产,次月开始摊销;当月减少的无形资产,当月继续摊销。
A.正确
B.错误
[填空题]用于药品生产或检验的(),应当有使用日志。
[单项选择]选择硬导体形状时不需考虑的因素是( )。
A. 集肤效应
B. 热屏蔽效应
C. 电晕
D. 腐蚀性气体
[填空题]在关系数据库的规范化理论中,在执行“分离”时,必须遵守规范化原则:保持原有的依赖关系和______。
[单项选择]Phone caller: Hello. Could I please speak to Helen
Helen: ______.
[填空题]在产品周期中的衰退阶段,产业下降的主要原因有:(),(),().
[单选题]地震、台风、洪水、泥石流等灾害发生后,如需要对设备进行巡视时,应制定必要的安全措施,得到设备运维管理单位批准,并至少两人一组,巡视人员应与()之间保持通信联络。
A.分管领导
B.调控人员
C.派出部门
D.运维单位
[单选题]’年9月2日起实施的车辆分公司《危险化学品安全管理规定》中指出,受阳光照射后容易发生燃烧、爆炸的物品,装运时应采取( )的措施。
A.暴露在外
B.独立包装
C.防止阳光照射
D.加热
[单选题]参与美国存托凭证发行与交易的中介机构包括( )。
①美国证券交易委员会
②存券银行
③托管银行
④中央存托公司
A.①③④
B.①②③
C.②③④
D.①②③④
[判断题]动稳定是指电气设备抗短路电流冲击的能力。(____)
A.正确
B.错误