| Careful and careless are as different
as fire and water. But strangely enough many scientists have both these
qualities, that is, they are both careful and careless. Newton, the famous
English scientist, was such a person. Once Newton invited a friend to a dinner at home. When they were ready to eat, Newton still didn’t come back. Finally his friend found Newton in his lab. The reason was that when Newton was going to get the bottle of wine, he suddenly had a new idea for the experiment he was doing, so he completely forgot his friend and the dinner. There was another time when Newton was leading a horse up a mountain, holding the rein (缰绳) in his hand. While he was walking, he kept thinking of problems he had met in his studies. When he got to the top of the mountain he found that the rein was not in his hand and that the horse A. as same as fire and water B. as different as dark and bright C. as different as fire and water D. as same as black and white [单选题]谐波主要是由（ ）用电设备带入电网。
A.线性 B.非线性 C.电感性 D.电容性 [单选题]海拔高度超过1000m 时，(____)应进行海拔修正。
A.外绝缘配置 B.污秽度 C.防污闪等级 D.爬电比距 [单项选择]道岔编号时，（）的道岔应该连续编号。
A. 正线 B. 到发线 C. 调车线上 D. 渡线上 [判断题]对某项产品返工后仍需重新进行检验。
A.正确 B.错误 [单项选择]关于苏维埃文化教育总方针的表述，不正确的是( )。
A. 强调教育与生产劳动相结合 B. 倡导教育的普及和受教育权 C. 适合中国国情 D. 带有理想色彩 [判断题]在到期还款日之前全额还款，才能享受免息待遇
A.正确 B.错误 [单选题]Corti淋巴的主要成分 ( )
A.与内淋巴相似 B.与内、外淋巴均相似 C.与外淋巴相似 D.与细胞内液相同 E.上述都不是 [判断题]央企要践行“政治、经济、社会”三大责任。( )
A.正确 B.错误 [多选题]下列关于MySQL数据库说法正确的是(____)
A. MySQL是一种关系型数据库管理系统 B. MySQL是一种开放源码软件 C. MySQL服务器工作在C/S模式下或嵌入式系统中 D. MySQL完全支持标准的SQL语句 [单选题]已知美元对人民币的即期汇率为USDI=CNY6．8312，3个月的远期汇率为USDI=CNY6．8296，则可以判断美元对人民币（ ）。
A.升值 B.贬值 C.升水 D.贴水 [判断题]出铁口主要有铁口框架，保护板，衬套，流铁孔道及泥包所组成。
[单项选择]在线监测装置的设计应充分考虑其工作条件，要求能在规定的工作条件下长期可靠工作，至少满足平均无故障工作时间（MTBF）大于（）h或年故障次数不超过（）次。
A. 6800、2 B. 8760、1 C. 7560、1 D. 8000、2 [单选题]建筑施工安装单位在异地同时承建多个项目的,可开立( )临时存款账户。
A.一个 B.不超过建筑施工及安装合同个数 C.无数个 D.两个 [单项选择]产权比率是指企业负债总额与( )的比率。
A. 资产总额 B. 流动资产总额 C. 所有者权益总额 D. 流动负债总额 [判断题]在三相四线中性点接地供电系统中,线电压指的是相线与中线之间的电压。
A.正确 B.错误 [多选题]下列各项属于社会存在决定社会意识的表现的有 ( )
A.任何社会意识都是对社会存在的直接反映 B.社会意识的内容来源于社会存在 C.社会意识随着社会存在的发展变化而发展变化 D.社会意识受意识主体的立场、观点、方法的影响和制约 [单选题]美元的发行机构是()。
A.财政部; B.美国联邦储备银行; C.国会; D.美国联邦储备系统。 [单选题]党员必须坚持党和人民的利益高于一切,个人利益服从( )利益,吃苦在前,享受在后,克己奉公,多做贡献。
A.国家 B.党和人民的 C.集体 [多选题]混凝土枕地段发生（ ） mm以上冻害时，可采用调高扣件，每处调高垫板不得超过（ ）块。
A.10 B.2 C.15 D.3 [单项选择]
患者，男，18岁，因外伤导致C4-6不完全性脊髓损伤，损伤平面以下感觉运动功能障碍。 对于该患者尿失禁治疗不正确的是（）。A. 间歇导尿 B. 直肠电刺激 C. Valsava法 D. 降低膀胱出口的阻力 E. 药物治疗 [单项选择]第三篇
Is the Tie a Necessity？
Ties, or neckties, have been a symbol of politeness and elegance in Britain for centuries. But the casual Prime Minister Tony Blair has problems with them. Reports suggest that even the civil servants may stop wearing ties. So, are the famously formal British really going to abandon the neckties
Maybe. Last week, the UK’s Cabinet Secretary Andrew Turnbull openly welcomed a tieless era. He hinted that civil servants would soon be free of the costliest 12 inches of fabric that most men ever buy in their lives.
In fact， Blair showed this attitude when he had his first guests to a cocktail party. Many of them were celebrities （知名人士） without ties， which would have been unimaginable even in the recent past.
For some more conservative British, the tie is a must for proper appearance. Earlier, Labor leader Jim Callaghan said he would have died rather than have his children seen in public without a tie. For people like Callaghan, the tic; was a sign o
A. Tony Blair. B. Charles II. C. Jim Callaghan. D. Andrew Turnbull. [单选题]垂直支腿受力时，检测开关前端面距离支腿上平面距离应小于（ ）mm。
A.8 B.18 C.28 D.38 [多项选择]部门经理在招聘规划中的作用是（ ）。
A. 掌握有关用人需求信息 B. 向人力资源管理部门提供本部门空缺岗位的数量 C. 向人力资源管理部门提出空缺岗位的类型和要求 D. 参加本部门应聘者的面试 E. 参加本部门应聘者的甄选工作 [判断题]起重链不得打扭，亦不得拆成单股使用。
A.正确 B.错误 [单选题]有毒气体探测仪对环境中（ ）的含量测定值可作为是否可以使用过滤式呼吸器的依据。
A.氧气 B.一氧化碳 C.硫化氢 D.甲烷 [判断题]目前10kV架空线路中常用的主要导线截面型号有70mm2、120mm2、240mm2三种规格。
A.正确 B.错误 [单选题]为了使系统中各部分资源得到均衡使用，就必须选择对资源需求不同的作业进行合理搭配。这项工作是由()完成的。
A.作业调度 B.中级调度 C.进程调度 D.内存调度 [多项选择]现代社会保障基金筹集的模式有哪几种？（）
A. 现收现付制 B. 完全积累制 C. 部分积累制 D. 社会统筹制 [单选题]人脑独立创造新形象的过程是
A.想象 B.表象 C.再造想象 D.创造想象 [填空题]分布式电源接纳能力是指各层级配电网均满足相关技术经济要求时所能够接入的分布式电源( )。
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