热门试题:
[单选题]接触网动态检测系统通过在受电弓上安装()检测接触网的硬点。
A.隔离变压器
B.速度传感器
C.压力传感器
D.加速度传感器
[单项选择]
By far the most common snake in Britain is the adder. In Scotland, in fact, there are no other snakes at al. The adder is also the only British snake with a poisonous bite. It can be found almost anywhere, but prefers sunny hillsides and rough open country, including high ground. In Ireland there are no snakes at all.
Most people regard snake bites as a fatal misfortune, but not all bites are serious, and very few are fatal. Sometimes attempts at emergency treatment turn out to be more dangerous than the bite it self, with amateurs heroically, but mistakenly, trying do-it-yourself surgery and other unnecessary measures.
All snakes have small teeth, so it follows that all snakes can bite, but only the bite of the adder present any danger. British snakes are shy animals and are far more frightened of you than you could possibly be of them. The adder will attack only if it feels threatened, as can happen if you take it by surprise and step on it accidentally, or if y
A. normally friendly towards people
B. unlikely to bite except in self-defense
C. aggressive towards anyone in their territory
D. not afraid of human beings
[多选题]社会劳动生产率提高的后果有( )。
A.单位时间里生产的使用价值的数量增加;单位时间里生产的价值量增加
B.单位时间里生产的使用价值的数量增加;单位时间里生产的价值量不变
C.单位时间里生产的价值量增加;单位产品包含的价值量下降
D.单位时间里生产的价值量不变;单位产品包含的价值量下降
[单选题]线路检查时,检查高低时,使用不长于()的短弦线拉高低
A.5m
B.10m
C.15m
D.20m
[多选题]以下属于红线禁令的是()。
A. 安排经医师鉴定存在职业禁忌者从事职业禁忌工作。
B. 作业人员擅自穿、跨越安全围栏、安全警戒线。
C. 高处作业、攀登或转移作业位置时的防坠落措施不完善。
D. 未组织制定并实施本单位安全生产教育和培训计划,未建立安全生产教育和培训档案。
[判断题]弹簧刚度越大越能保证安全阀的机械特性。( )
A.正确
B.错误
[判断题]在气焊气割工艺中火焰能率是焊件的厚度、母材的熔点和导热性及焊缝的空间位置进行选择。
A.正确
B.错误
[单项选择]学生对处分有异议的在接到学校处分决定书之日起()个工作日内,可以向学校学生申诉处理委员会提出书面申诉。
A. 5
B. 10
C. 15
D. 20
[单选题]( )文件为变电站一次系统的描述文件,主要信息包括一次系统的单线图、一次设备的逻辑节点、
逻辑节点的类型定义等。
A.ICD
B.SSD
C.SCD
D.CID
[单选题]胎膜早破的原因哪项是错误的()
A.子宫收缩乏力
B.头盆不称
C.臀位
D.胎头高浮
E.横位
[单选题] 检修设备时,应该挂 ( ) 安全警示标志牌,以提醒人们注意。
A.注意安全
B.当心触电
C.有人工作,禁止合闸"
[多选题]宽带式薪酬结构的特点有( )。
A. 不利于工作绩效改进
B. 支持扁平型组织结构
C. 不利于工作岗位变动
D. 不利于员工自我发展
E. 有利于管理人员的角色转变
[单选题]IMS号码被叫时提示尚未登录最有可能是什么原因 ( )
A.号码未成功注册
B.号码未开户
C.未接电话机
D.设备端口毁坏
[判断题]客户的开户证明文件必须与账户管理系统、核心系统的相关信息一致,不得出现遗漏或弄虚作假;单位结算账户的名称、开户证明文件的名称预留印鉴三方必须一致(因注册验资开立的临时户及无字号的个体工商无除外)。( )
A.正确
B.错误
[单选题]脊髓病变时,所谓的马鞍回避是指( )
A.是马尾病变的表现
B.是脊髓髓内病变的表现
C.是脊髓髓外病变的表现
D.是脊髓髓外硬膜外病变的表现
[单选题]企业应根据生产特点,编制( )安全操作规程,并发放到相关岗位。
A.工序
B.岗位
C.工种;
[单选题]高处作业中,在可能坠落半径范围内禁止人员停留,必须停留时应()。
A.戴安全帽
B.系安全带
C.穿防滑鞋
D.穿防护服登高作业
[多选题]工作负责人在转移工作地点时,应逐一向工作人员交待()。
A.带电范围
B.安全措施
C.停电时间
D.注意事项
E.略
F.略
[判断题]探伤作业时一般采用二台探伤仪分股并进,其间距不应超过100m。( )
A.正确
B.错误
[单选题]链条葫芦和手扳葫芦起重能力在( )t以下的允许1人拉链,不得随意增加人数猛拉。
A.5
B.6
C.7
D.8
[单选题]为方便旅客的旅行生活,旅客可以携带不超过()的去光剂进站乘车。
A.20毫升
B.30毫升
C.40毫升
D.120毫升
[单项选择]下列穴位定位错误的是()
A. 球后穴在眶下缘外1/3与内2/3交界处
B. 夹承浆在承浆穴旁开1寸
C. 牵正穴在耳垂前0.5~1寸处
D. 颈臂穴在锁骨内1/3与外2/3交界处直上1寸
E. 安眠穴在翳风穴与风池穴连线的中点
[多项选择]期货价格的构成要素包括( )。
A. 商品生产成本
B. 期货交易成本
C. 期货商品流通费用
D. 预期利润
[单项选择]下面哪个不是VPN技术中用到的加密算法?()
A. DES
B. 3DES
C. AES
D. RIP/RIP2
[单选题]失眠伴有呼吸困难,常见于
A.肺炎
B.哮喘
C.心肌梗死
D.肺梗死
E.肺气肿
[单项选择]Sometimes it’s just hard to choose. You’re in a restaurant and the waiter has his pen at the ready. As you hesitate, he gradually begins to take a close interest in the ceiling, his fingernails, then in your dining partner. Each dish on the menu becomes a blur as you roll your eyes up and down in a growing panic. Finally, you desperately opt for something that turns out to be what you hate.
It seems that we need devices to protect us from our hopelessness at deciding between 57 barely differentiated varieties of stuff-be they TV channels, gourmet coffee, downloadable ring tones, or perhaps, ultimately even interchangeable lovers. This thought is opposed to our government’s philosophy, which suggests that greater choice over railways, electricity suppliers and education will make us happy. In my experience, they do anything but.
Perhaps the happiest people are those who do not have much choice and aren’t confronted by the misery of endless choice. True, that misery may not be
A. improve the quality of TV programs
B. try to offer greater choice over public service systems
C. make people realize that some lovers are interchangeable
D. encourage the downloading of a variety of ring tones
[多选题]普速铁路工务作业分为( )。
A.施工作业
B.维修作业
C.点外作业
D.邻近营业线施工
[多选题]下列属于机务段运用车间车队队委会会议内容是( )
A.传达贯彻段、车间安全例会要求
B.分析通报上月行车安全、人身安全情况
C.分析通报职工“两违”
D.确定本月行车安全关键项点、关键指导组及关键人员
[判断题]SV报文MAC地址推荐范围为01-0c-cd-04-00-00至01-0c-cd-04-ff-ff。
A.正确
B.错误
[多项选择]常用的抗原检测方法有哪些?()
A. 免疫荧光法
B. 酶免疫法
C. 放射免疫测定法
D. 酶免疫吸附试验
[多选题]电缆隧道应有充足的照明,并有()的措施。
A.A.防火
B.B.防窒息
C.C.防水
D.D.通风
[单项选择]低血钾常发生于()
A. 钾离子摄入减少
B. 醛固酮分泌减少
C. 钾离子进入细胞内减少
D. 肾排钾减少
E. 代谢性酸中毒
[单项选择]Which of the following is least accurate regarding reasons for imposing a summary suspension upon covered persons()
A. Failure to return the annual professional conduct statement.
B. Misdemeanor charge for the possession of illegal narcotic substances.
C. Disbarment under securities laws.
[单选题]车辆行至交叉路口,遇有转弯的车辆抢行,应怎样做?
A. A.停车避让
B.B.保持正常车速行驶
C.C.提高车速抢先通过
D.D.鸣喇叭抢先通过
[单选题]工作场所的照明,应该保证足够的(),夜间作业应有充足的照明。
A. 功率
B.亮度
C.照明时间
D.数量
[多项选择]系统方法包括下列哪些()。
A. 核实问题、确定问题
B. 获取信息
C. 设计方案、决策
D. 实施计划
E. 反馈计划