相关试题
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逾期未交付电费的，供电企业可以从逾期之日起，每日按照电费总额的1‰至3‰加收违约金。
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錾子的切削角是指錾子的中心轴线与切削平面所形成的夹角。
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三相送电线路，B相的标志色规定为绿色。
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采用铝合金线夹固定导线时可不缠绕铝包带，以防止产生电晕放电。
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潮湿气候条件是引起绝缘污闪的必要条件。
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导地线采用液压接续时,应以合模为标准,不用检查压后尺寸。
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电力设备过负荷时，继电保护装置应快速将负荷设备切除。
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电力网包括电力系统中的所有变电设备及不同电压等级的线路。
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电力系统故障时，继电保护装置如不能及时动作，就会破坏电力系统运行的稳定性。
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电流减少、电压降落、功率损耗、电能损耗也相应地减少，能提高设备出力和运行的经济性。
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对110kV架空线路进行检修，为确保检修人员安全，不允许带电进行作业。
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多回同杆架设杆塔用于多回架空线路需在同一个杆塔上架设。
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杆塔外形图上所标注的各部位尺寸常用MM为单位。
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杆塔用于支承导线、避雷线及其附件，并使导线具备足够的空气间隙和安全距离。
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高处作业上下传递物件应用绳索栓牢传递，严禁上下抛掷。
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高处作业时，安全带应低挂高用，系安全带后应检查扣环是否扣牢。
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高压架空线路发生接地故障时，会对邻近的通信线路发生接地感应。
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高压架空线路在其周边产生工频电场强度主要取决于线路电压等级的高低。
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高压输电线路的故障，绝大部分是单相接地故障。
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合成绝缘子所需的爬距比瓷和玻璃绝缘子所需爬距平均少50%。
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继电器保护必须具有迅速、可靠、选择、灵活四大性能。
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家用电器、办公设备、移动电话、高压输电线路和变电站等均能产生电磁场。
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架空电力线路的结构主要包括杆塔及其基础，导线，绝缘子，拉线，横担，金具防雷设施接地装置等。
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架空线的连接点应尽量靠近杆塔，以方便连接器的检测和更换。
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架空线的连接点应在距悬垂线夹5米内的位置，以方便连接器的检测和更换。
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架空线路紧线完成后，应尽快进行耐张线夹，悬垂线夹，防振设备等附件安装。
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进行高空作业或进入高空作业区下方工作必须戴安全帽。
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绝缘子污闪事故大多出现在大雾或毛毛细雨天气。
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可以携带器材登杆或在杆塔上移位。但严禁利用绳索、拉线上杆塔或顺杆下滑。
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拉线金具主要有连接金具、紧固金具与调节金具三类。
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铝、铝合金单股损伤深度小于直径的1/2可用缠绕法处理。
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经营活动产生的现金流量通常可以采用直接法和间接法两种列报方法
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现金流动负债比率是经营活动产生的现金净流量与流动负债的比值
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现金流量表中的现金包括库存现金、可以随时支付的银行存款和其他货币资金
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将净利润调整为经营活动现金流量，是以利润表中的净利润为计算起点
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经营活动产生的现金流量最能反映企业获取现金的能力
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在不存在现金等价物情况下，现金流量表中，“现金及现金等价物净增加额”与资产负债表中的“货币资金”期末、起初余额的差额相等
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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
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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.
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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.
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3 Because of easy access to the Internet,the
New breakthrough tq create something
Truly creative ( ) happen anytime now.
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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.
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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.
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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.
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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.
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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.
【填空题】
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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.
【填空题】
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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
