相关试题
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梯子是由木料、竹料、绝缘材料、铝合金等材料制作的登高作业的工具。
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安全带是指高处作业人员预防坠落的防护用品,由带子、绳子和金属配件组成。
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其他安全用具主要有:脚扣、登高板、梯子、安全围栏、临时遮挡和安全标志等。
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安全带应高挂低用,挂钩应扣在不低于作业者所处水平位置的固定牢靠处,不得将安全带挂在活动的物体上,并注意防止摆动碰撞。
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安全带缝纫线应采用与织带有化学反应的物质,颜色与织带不应有区别。
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使用安全带时,允许打结,将钩子直接挂在安全绳上使用,不应挂在连接环上使用。
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重力是由于地球的吸引而使物体产生的力。
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力学中常见的这些力都有其自身不确定的变化规律。
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触电包括各种设备、设施的触电,电工作业时触电、雷击等。
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物体在受力分析时,必须分清谁对谁的作用,切忌张冠李戴。
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约束反作用力是作用于物体的其他力和物体的运动情况来决定的力。
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固定安全防护装置自动的满足机器运行的环境及过程条件。
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厂房的骨架由基础、柱、屋架、天窗架、屋面板、基础梁、吊车梁、连系梁和支撑系统等构件组成。
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单层工业厂房按配件组成两部分,即墙和门窗。
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出现危险品滑落,人员可先完成作业,再撤离。
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遇有电力线在电信线杆顶上交叉横跨的特殊情况时,工作人员的头部可以超过电线杆顶。
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在周围环境不会危及生命的情况下,可以随便搬动伤员。
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高处作业现场安全隐患分为高处坠落、触电事故和物体打击三大类。
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如发现安全带的绳带有变质,应当立即停止使用。
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年满16周岁,且不超过国家法定退休年龄的人员可以从事特种作业。
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生产经营单位应当安排用于配备劳动防护用品、进行安全生产培训的经费。
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从业人员发现直接危及人身安全的紧急情况时,无权停止作业。
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施工单位在采用新技术、新工艺、新设备、新材料时,应当对作业人员进行相应的安全生产教育培训。
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高处作业从业人员不可以拒绝违章指挥和强令冒险作业的权利。
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高处作业的人数较多,基数大,即使发生伤亡的几率较小,其发生伤亡事故的人次数也较多。
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使用起重机吊物时,必须捆紧。严禁大小物夹杂、不规范起重操作。
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下降器是安装在工作绳上,以通过工作载重量为动力、自动下降的装置。
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连接器是将系统内部零件连接在一起,具有常避活门的环类零件,也被成为安全钩。
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安全绳是连接自锁器与坠落悬挂安全的绳,不具有吸收冲击能量的作用。
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安全短绳的结构、强力要求等与工作绳相同。
推荐试题
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采用直接法编制经营活动产生的现金流量时，一般以营业收入为起点调节与经营活动有关项目的变动，计算出该项目
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用银行存款购买两个月内到期的国债,不会使现金流量表中现金净流量发生增减变动
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现金流量表的分析填列法是直接根据资产负债表、利润表和有关会计科目明细账的记录分析计算出现金流量表各个项目的金额，据此编制现金流量表的方法
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为了清晰反映构成所有者权益各组成部分当期的增减变动情况，所有者权益变动表采用矩阵形式列示
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销售净利率是20%，资产周转率是1次，权益乘数是2，则净资产收益率是40%
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一般认为，资本保值率越高，表明企业的资本保全状况越好，所有者权益增长越快，债权人的债务越有保障
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如果企业的负债资金的利息率低于其资产报酬率，则提高资产负债率可以增加所有者权益报酬率
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杜邦分析体系是利用各主要财务比率之间的内在联系，综合分析企业财务状况的方法。建立财务分析指标体系
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沃尔比重评分法是将选定的财务比率用线性关系联系起来，并分别给定各自的分数比重，然后通过与标准比重进行比较，确定各项指标的得分及总体指标的累积分数，从而对企业的信用水平做出评价的方法
【填空题】
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1 In our class,most discussions and activities take place in assigned small groups,These groups provide a supportive and safe environment that （） learning
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9 As the finance ministry rejected the defor its "lack of clarity",it[ ]complaint with the Europear Commission that this deal was against the law
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5 State governments and the colleges themselves have [ ] financial help to students with special abilities and those with financial needs
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10 Dogs cannot distinguish the color of trafficlights, so the master must make the decision of when it is safe to [ ] across the road
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6 The committee agreed that his papers
[ ] a wider circulation because of their essential and fundamental interest to a larger audience.
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1 Because women often restrict their diet
In an effort to control weight,they may
Not consume enough iron-rich food and
( ) experience an iron Deficiency.
【填空题】
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8 Americans defend the right to obtain a gun and they have[ ] been willing to turn a blind eye to the harm that people owning guns have caused
【填空题】
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7 The anger and frustration [ ] by the local people who do not understand what is happening to them will be a terrible and dangerous force
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2 Some reform advocates ignore the impact of
Class size on student achievement,and they
are ( ) what they call as a Priority:teacher effectiveness.
【填空题】
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3 Because of easy access to the Internet,the
New breakthrough tq create something
Truly creative ( ) happen anytime now.
【填空题】
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4 Indeed,if teachers want to( ) how far students might get in life, a better measurement than grades might be how hard the students try.
【填空题】
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5 Nature has( ) these animals ( ) a capacity for not showing Fear.
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6 During the weeks of discussion,delegations
from groups who are interested in the
Resolution may call on representatives to
( ) their point of view.
【填空题】
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7 Plato was a superb writer,and his works are
Part of the world’s great literature.Most of
His existing work is ( )Dialogs and letters.
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8 Young people should enter into a broad
Flexible training program,through which
They can learn a lot and be ( ) their future careers.
【填空题】
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9 The young man is very happy and proud to
be ( ) the old professor because he always feeIs great when talking With him.
【填空题】
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10 One day they passed more than 20 villages ( ),and some of these are Said to have stretched for six miles or more.
【填空题】
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7 Being asingle parent,there is no way for her
to ( ) the time and energy she has
devoted to her children for the past 10 years.
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8 It is essential that you start by listening because one of the main ( ) teenagers and their parents face in forming positive relationships is that neither listens to the other.
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9 We all know the dangers of an earthquake: the ( ) to buildings,the troubles can be caused by falling trees,and the terror occurs when the earth actually opens uip.
【填空题】
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10 Not until recently have we realized that the increasing world population may lead to a potential gloomy ( ) for humanity starvation.
【填空题】
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2 It is the development strategy/of the company to ( ) its overseas expansion in order to take a slice of the world market
【填空题】
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3 Nearly six million people go to see the Mona
Lisa every year,attracted by the ( )of her smile.When you're not lodking at her, she seems to be smiling;when you look at her,she stops.
【填空题】
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4 To live with a family whose native language is English is the ideal way to further improve one's English and to gain ( )into its culture.
【填空题】
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5 There is a real need to ( ) academic
achievement in schools and help with the
development of a student's overall character.
【填空题】
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6 Einstein said his scientific discoveries grew
from his imagination rather than from( ),
reason and language.
【填空题】
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1 When the police caught up with him, Mr.Foster had to [ ] that he'd broken the speed limit.
【填空题】
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2 Whenever my boss makes a decision that I don't agree with, I tell him what I really think, though it's [ ] to make him happy by telling him his ideas are always right
