| Researchers disagree whether the "use
it or lose it" philosophy holds for cognitive aging, but there is one evidence
that keeping mentally active can slow age-related declines. At Pennsylvania State University, Sherry Willis and her husband, K. Warner Schaie, have studied 5000 people, some since 1956. People lucky enough to avoid chronic diseases may also fare better in intellectual function, they find, perhaps because chronic diseases can restrict lifestyle and reduce mental stimulation. Similarly, those lucky enough to be relatively affluent also fare better, perhaps because money can buy intellectually stimulating A. wisdom may be thought of as a special form of abilities and knowledge completely developed with life experience. B. wisdom may still grow even when the process of mental aging started. C. wisdom is superior in importance to mental skills such as inductive reasoning and spatial skills. D. wisdom makes up an important part of brain power. [单选题]站间区间：在双线或多线上，车站与车站间分别以各该线的（ ）的中心线为车站与区间的分界线。(技规)
A.出站信号机或站界标 B.进站信号机柱或站界标 C.反方向进站信号机柱或站界标 [简答题]简述马斯洛的需要层次理论。
[简答题]2014年2月27日，全国人大常委会表决通过了哪两个纪念日？
[单选题]在同一坡面的垂直线上，(???)上下同时开工，不得在上层挖土时下层运土。
A.可以 B.应该 C.不得 D.必须 [单项选择]总线复用方式可以（）。
A. 提高总线的传输带宽 B. 增加总线的功能 C. 减少总线中信号线的数量 D. 提高CPU利用率 [单选题]信号标志是对机车车辆操纵人员起( )作用的标志。
A.A、显示 B.B、提示 C.C、引导 D.D、指示 [不定项选择题]某市采石场位于山腰，自2009年投产以来每年都排放一定数量的污水顺山坡流到山下南农民何阳承包的鱼塘，由于对养鱼影响不大，何阳一直未曾提出异议：2012年1月，采石场进行技术改造，扩大了生产规模，污水排放量成倍增长，何阳发现自己承包的鱼塘频繁出现死鱼现象，遂要求采石场赔偿损失，但采石场未予理睬：于是何阳找到市环保局解决问题。2012年3月，市环境监理大队经监测证实，采石场排放的污水符合排放标准，市环保局随后给采石场下书面通知，要求采石场缴纳排污费25万元。同时，市环保局就采石场和何阳之间的民事纠纷作出行政调解处理决定：采石场赔偿何阳经济损失12万元。据此，请回答下列问题。?
诉讼过程中，关于举证责任的承担，哪些是正确的?( ）查看材料
A.原告举证 B.由被告对排污行为与损害结果之间无因果关系举证 C.适用举证责任倒置 D.原告证明侵权事实，被告否认的，由被告负举证责任 [单选题] 在±400kV及以上电压等级的直流线路单极停电侧进行工作时,应穿着( )。
A. 静电感应防护服 B. 全套屏蔽服 C. 全棉工作服 D. 导电鞋 [单选题]正步走要领:左脚向正前方踢出约 75 厘米,腿要绷直,脚尖下压,脚掌与地面平行,离地面约 ( ),适当用力使全脚掌着地,同时身体重心前移,右脚照此法动作。
A.5厘米 B.10 厘米 C.20 厘米 D.25 厘米 [单项选择]当斯科特系统尾气流量低于设计负荷的（）时，需要进行“长循环”操作。
A. 30％ B. 60％ C. 80％ D. 100％ [单项选择]新生儿常见的特殊生理状态，以下哪项不符合：（）
A. 生理性黄疸 B. 假月经 C. 新生儿粟粒疹 D. 新生儿湿肺 E. 乳腺肿大 [填空题]
It’s official that married people are healthier, or at least
they think they are. An American {{U}} (36) {{/U}}of over 100,000 people
shows that, despite changing social{{U}} (37) {{/U}}in society, there is
a link between being married and being{{U}} (38) {{/U}}
One reason could be that people with physical, mental or{{U}} (39) {{/U}}problems are{{U}} (40) {{/U}} likely to marry in their first place, but married people also{{U}} (41) {{/U}}from greater support from family and friends and this{{U}} (42) {{/U}}their health. Divorce and loss of a close friend or relative increase depression, as well as affecting many people{{U}} (43) {{/U}} Married people are less likely than single people to smoke, drink heavily or drive after they have been drinking.{{U}} (44) {{/U}}. All of these reduce the chances of disease or injury. {{U}} (45) {{/U}} So it seems that the best advice is get married, but make sure [单选题]禁止在铁路线路两侧（ ）米以内或者在铁路防护林地内放牧。
A.10 B.20 C.25 D.30 [判断题]跨立的动作要领其中规定右脚向右跨出约一脚之长。
A.正确 B.错误 [单项选择]保险方案的设计要全面且重点突出，一般应遵循的首要原则是( )。
A. 高风险优先原则 B. 高额损失优先原则 C. 低风险优先原则 D. 低额损失优先原则 [多选题]火场照明的作用()。
A.便于人员疏散 B.稳定人员情绪 C.传递相关信息 D.便于展开行动、 E.增加安全系数 [单项选择]
Many visitors (36) Britain are not fond of English food. They are often heard (37) , "English food is not good, English cooking is (38) . " But they do not really know what they are talking about because they (39) get a chance to eat it. (40) of the restaurants in large towns have foreign (41) and serve foreign food. When visitors are (42) to eat in an English home, the hosts often feel they must offer them something (43) . Those of us (44) do know English food understand that at its best it (45) be really very good. (46) , it is true to say that it is (47) terrible Part of the (48) is that we are not really interested in food -- we eat to live, we do not live to eat. So usually we do not (49) the necessary time cooking truly good meals. We like food that is simple and (50) to cook, or already prepared food which only needs heating up (51) eating. [判断题]安全检查工应尊重被查单位和人员、以礼待人、和气平等、文明检查,不准训斥谩骂、恶语伤人。()
A.正确 B.错误 [判断题]邻近供电、通信、信号电（光）缆沟槽及供电支柱、通信信号杆塔（箱盒、通话柱）10m范围内的挖沟、取土、路基碾压等施工列为邻近营业线C类施工。
A.正确 B.错误 [判断题]高铁施工必须严格遵循“行车不施工，施工不行车”的原则，固定设备的施工和上线检查、检测、维修工作都必须在天窗时间内进行。
A.正确 B.错误 [单项选择]（）是指组织运行活动的外部存在，包括空气、水、土地、自然资源、植物、动物、人，以及它们之间的相互关系。
A. 环境 B. 环境状况 C. 环境因素 D. 环境影响 [单选题] 中修施工期间的设备质量、安全负责及交接办法由（ ）制定。
A.铁路总公司 B.电务段 C.铁路局 D.电务部 [单选题]目视助航设施包括风向标、各类道面标志引导标记牌、( )。
A.建筑物 B.助航灯光系统 C.导航系统 D.围界 [单选题]（ ）用户携转到电信，无需收取换卡费。
A.移动、联通用户 B.移动用户 C.联通用户 [单选题]直流五通《直流控制保护系统验收细则》规定,应检查SCADA系统LAN网网线规格及性能满足要求，其中百兆LAN网网线应使用（____）及以上类型网线。
A.A.二类 B.三类 C.四类 D.五类 [单选题] 省电力公司级以上单位行政电话网故障,中断用户数量30&以上,且持续时间4小时以上,属于()级设备事件。
A.五; B.六; C.七; D.八 [单项选择]关于聊天室，说法正确的是（）
A. 聊天室的人来自同一个城市 B. 聊天室的人都相互认识 C. 任何人只要上网都可以进入公共聊天室 D. 每个网站都有聊天室 [单选题]《公民道德建设实施纲要》提出的公民应遵守的基本道德规范是（ ）
A.爱国守法、文明礼貌、团结友善、勤俭自强、敬业奉献 B.爱国守法、明礼诚信、团结友善、勤俭自强、敬业奉献 C.尊纪守法、明礼诚信、团结友善、勤俭自强、敬业奉献 D.爱国守法、明礼诚信、尊老爱幼、勤俭自强、敬业奉献 [单项选择]我国商业银行中间业务在银行业务所占比重低的一个重要原因是( )。
A. 第一产业在国民经济中所占比重较低 B. 第二产业在国民经济中所占比重较低 C. 第三产业在国民经济中所占比重较低 D. 制造业在国民经济中所占比重较低 [填空题]分布式电源调度运行信息的采集与传输应满足（ ）和（ ）系统安全防护相关技术标准、规程规定的要求。
[单选题]( )专用排瓦斯巷内风速不得低于______m/s.
A.. 0. 15 B..0. 25 C..0. 5 D.. 0. 75 我来回答: 提交
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