交换式局域网的核心是_____

[填空题]It was curious how often sympathy for the old and infirm takes a form which actually (47) them. Their friends, or mere (48) , wishing to show good will, paw them, sometimes leaning forward to rearrange their neckwear, pulling at their shawl, touching their hair or (49) their faces - things they would never presume to do, unasked, to one of their (50) .
An equally humiliating habit of many people who are quite (51) of being rude is to talk about old people in front of them, as if they were not there, discussing their health, or making (52) remarks on the lines of "Well, nurse, has she been a good girl today "
It is now (53) accepted that children should be encouraged to do as much as they can for themselves in order to develop their brains and muscles, but so few people today seem to have time to allow the elderly the same means of keeping their minds and muscles active. With what they believe to be u

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[单选题]1936年12月12日,东北军一部以迅速行动包围临潼华清池,扣押了蒋介石。张学良和杨虎城向全国发出停止内战、一致抗日的通电。这便是震惊中外的( )。
A.上海事变
B.南京事变
C.西安事变
D.皖南事变

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[简答题]02-22 06:15:38.726 17609 17609 I

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[单项选择]海关作出行政裁定的期限，应当自受理申请之日起( )内作出裁定。
A. 15日
B. 30日
C. 60日
D. 90日

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[单选题]( )是用户天线在跟踪 GPS卫星的过程中固定不变，接收机高精度地测量 GPS信号的传播时间，连同 GPS卫星在轨的已知位置，从而算得固定不动的用户天线之三维坐标。
A.实时动态测
B.GPS RTK
C.GPS动态测量
D.GPS静态定位

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[判断题]自主择业干部在待安置期间允许到地方应聘，但要向原支队级单位报告，经批准后方能应聘。

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[单选题]甲、乙、丙、丁去一家用入单位应聘，在经过笔试和面试后，他们对是否被录序做了以下猜测：甲：大家表现都很棒，我看四个人都会被录用。乙：我不会被录用，因为我面试时的感觉糟透了。丙：我和乙没希望，甲和丁至少有一人会被录用。丁:我认为四人全被录用奇迹发生的可能性为零。结果表明，只有两人的预测是正确的，这两个人是（）。
A.甲和丙
B.乙和丙
C.乙和丁
D.丙和丁

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[判断题]调度集中区段集控站间接发列车时，需办理发车预告。（）
A.正确
B.错误

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[单选题]下列4条关于激光打印机的叙述中,正确的一条是().
A.A:激光打印机是激光技术和静电复印技术相结合的产物,是常见的硬复制设备
B.B:激光打印机可以使用连续打印纸
C.C:激光打印机可以进行复写打印
D.D:激光打印机可以使用普通稿纸进行打印

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[判断题]三相三线有功电能表，由于错误接线，在运行中始终反转，则算出的更正系数必定是负值。
A.正确
B.错误

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[单选题]您想要将项目符号列表转换为SmartArt图形.第一步该做什么呢()?
A.A:在项目符号列表中的任何位置处单击以将它选中,然后单击"开始"选项卡上的"转换为SmartArt图
B.B:单击"插入"选项卡,然后单击"图示"组内的 "SmartArt图形"
C.C:单击项目符号列表中的任意位置,然后单击"设计"选项卡

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[填空题]BSP方法所支持的目标是企业各层次的目标，一般企业内同时存在三个不同的计划层和控制层，其中确认资源获取的过程称为 ______ 层。

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[单项选择]治疗癫癎复杂部分性发作最有效的药是
A. 乙琥胺
B. 苯巴比妥
C. 卡马西平
D. 硝西泮
E. 戊巴比妥

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[判断题]向不同的会计资料使用者提供的财务会计报告编制依据应当一致。 ( )

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[单项选择]慢性淋巴性甲状腺炎出现甲状腺功能减退替代治疗的原则（）
A. 由大剂量开始，逐渐递减到合适剂量
B. 从小剂量开始，逐渐递增到合适剂量
C. 甲减越严重，起始剂量应越大
D. 间断用药有利于预防心绞痛
E. 待甲状腺功能正常后可停用

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[单选题]消化性溃疡最常见的并发症是：
A.穿孔
B.幽门梗阻
C.癌变
D.上消化道出血
E.水、电解质紊乱

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[名词解释]极限切除时间

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[单项选择]From her advantage point she watched the main doors swing open and the first arrivals pour in. Those who had been at the head of the line paused momentarily on entry, looked around curiously, then quickly moved forward as others behind pressed in. Within moments the central public area of the big branch bank was filled with a chattering, noisy crowd. The building, relatively quiet less than a minute earlier, had become a Babel. Edwina saw a tall heavyset black man wave some dollar bills and declare loudly, "I want to put my money in the bank. " 66. ( ) It seemed as if the report about everyone having come to open an account had been accurate after all. Edwina could see the big man leaning back expansively, still holding his dollar bills. His voice cut across the noise of other conversations and she heard him proclaim, "I’’m in no hurry. There’’s something I’’d like you to explain. " Two other desks were quickly manned by other clerks. With equal speed, long wide lin

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[单项选择]

A. what
B. where
C. which
D. that

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[判断题]作业人员应具备必要的安全生产知识，学会紧急救护法，特别要学会触电急救。
A.正确
B.错误

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[多选题]消防设施阀门或接头漏水，若是阀门或接头损坏，（）
A.关闭总阀门
B.放出剩余水后
C.更换阀门或接头
D.联系专业人员处理

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[单项选择]超高压输电线路及变电所，采用分裂导线与采用相同截面的单根导线相比较，下列项目中（）项是错的。
A. 分裂导线通流容量大些
B. 分裂导线较易发生电晕，电晕损耗大些
C. 分裂导线对地电容大些
D. 分裂导线结构复杂些

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[填空题]交换式局域网的核心是______。

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