更多“链路预算中，小区呼吸效应体现为小区用户数越多，负载越大，相应”相关的问题
顾客选择服务提供者的标准有()。
A.可获性、便利性
B.声誉、安全、速度
C.价格、质量
D.可靠性、个性化
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What is exactly a lie Is it anything we say which we know is untrue Or is it something more than that For example, suppose a friend wants to borrow some money from you, you say, "I wish I could help you but I’m short of money myself. " In fact, you are not short of money, but your friend is in the habit of not paying his debts and you don’t want to hurt his feelings by reminding him of this. Is this really a lie A scientific study of lying shows women are better liars than men, particularly when telling a white lie, such as when a woman at a party tells another woman that she likes her dress when she really thinks it looks terrible. However, this is only one side of the story. Other researches show that men are more likely to tell more serious lies, such as making a promise which they have no intention of fulfilling. This is the kind of lie politicians and businessmen are supposed to be particularly skilled at: the lie from which the liar hopes to profit or gain in some way. Research has also been done into the way people’s behavior changes in a number of small, apparently unimportant ways when they lie. It has been found that if they are sitting down at the same time, they tend to move about in their chairs more than usual. To the trained observer they are saying "I wish I were somewhere else now. \
A. a lie that is completely unbelievableB. a lie that is told with a good willC. a lie that is always believableD. a lie that often has an evil purpose
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计算工程量，分部分项工程计算顺序可以按“先横后竖、先下后上、先右后左”计算法。（ ）
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银行通过对（）的趋势比较，可作出合理的贷款决策。
A . 实际销售增长率
B . 可持续增长率
C . 利润率
D . 成本率
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下列不属于电子文件归档前鉴定工作的是（）
A.真实性鉴定
B.时效性鉴定
C.完整性鉴定
D.有效性鉴定
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交叉作业时，应进行（）联络。
A.横向
B.纵向
C.交叉多重
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建筑某住宅小区，钢结构的连接是施工中的重要环节，应本着安全可靠、构造简单、施工方便和节约钢材的原则进行。钢结构的连接部位应具有足够的静力强度和抗疲劳能力，并应保持正确的相互位置以满足传力和使用要求
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燃油油量表校验插头位于（）
A . 驾驶舱顶板
B . 前设备舱
C . 后设备舱
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根据杠杆原理，已知重物重50kN，重臂为150mm，力臂为3m，则至少需要用（）的力将重物翘起来。
A.1.0kN
B.2.0kN
C.2.5kN
D.9.0kN
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某企业资本总额为600万元，权益资本比重为60%，债务资本的平均利息率为10%。该企业的年销售收入为400万元，固定成本（不含利息费用）为40万元，变动成本率为60%，使用的所得税税率为25%。则下列计算正确的有
A. 安全边际率为75%B. 总杠杆系数为1.66C. 盈亏临界点作业率为20%D. 利息保障倍数为7.5
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在一次严重的地震中，大部分的电话线和无线电通讯基站已遭到破坏，这说明危机具有的特征是（）
A.紧迫性 B.信息不充分 C.突发性 D.人力资源缺乏
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4月2日，某外汇交易商以1英镑＝4.5238美元的价格卖出40手6月英镑兑美元期货合约。4月6日，该交易商分别以1英镑＝4.5099美元和1英镑＝4.5351美元的价格各买入20手6月英镑兑美元期货合约平仓（合约规模为62500英镑）。则该交易商期货交易的盈亏为（）（不计手续费等费用）。
A.亏损5750美元
B.盈利3250美元
C.盈利5750美元
D.亏损3250美元
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胰腺A1G细胞分泌（）
A . 胰岛素
B . 胰高血糖素
C . 胃泌素
D . 血管活性肠肽
E . 生长激素释放抑制素
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