如果将符合 10BASET 标准的 4 个 HUB 连接起来,那么在这个局域网中相隔

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问题:

如果将符合 10BASET 标准的 4 个 HUB 连接起来,那么在这个局域网中相隔最远的两台计算机之间的最大距离为______。

A.200 米

B.300 米

C.400 米

D.500 米

考点:计算机等级考试网络技术全国计算机等级考试三级网络技术真题2006年9月
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关于一期石棉肺诊断的X线胸片表现描述中,正确的是()

A.船厂修造工,工龄15年,双肺下份有1级密集度的不规则小阴影

B.石棉采矿工,工龄15年,双肺下份有不规则小阴影且呈蓬乱影像,形成"蓬发状心"

C.绝缘材料工,工龄20年,双肺上份大阴影

D.采石工,工龄20年,双肺下份有1级密集度的不规则小阴影

E.石棉纺织工,工龄10年,双肺下份有1级密集度的类圆形小阴影

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400v设备抽屉式开关停电步骤?

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Helena, Nikita, Rosa and Yuri are four partners working in an unlimited partnership that provides training courses. heir partnership agreement states that each partner may act on behalf of the partnership in respect of deals with hird parties, but requires any transaction valued in excess of 500.000 roubles to be sanctioned by all partners. The greement further specifi es that any partner’s resignation will be subject to a notice period of three months, thereby nabling the business to fulfi l outstanding course bookings.Without consulting the other partners, Rosa withdrew 700.000 roubles from the partnership bank account in order o purchase a training software package from OOO Train, a regular supplier to the partnership. Rosa also admitted to sing the partnership premises and teaching resources on a private basis in order to increase her personal income. She efused to provide details but offered to make a payment of 100.000 roubles in respect of this privately commissioned usiness.In a subsequent argument between the partners, Yuri walked out of the business, stating that he would no longer be ble to work with the other partners, refusing to carry out any further commitments with immediate effect.Required:

(a) Discuss the actions that Helena and Nikita can take against Rosa and Yuri. (4 marks)

题型:单项选择题

装有LFP-902型保护的220kV联络线线路方向零序保护全线有灵敏度段的是()

A、I段

B、II段

C、III段

D、IV段

题型:单项选择题

关于中心静脉压的描述,正确的是

A.指左心房和肺静脉的血压
B.过敏性休克时,中心静脉压降低
C.心功能不全时,中心静脉压降低
D.卧位转为直立时,中心静脉压升高

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