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An underground revolution begins this winter. With the flip (轻击) of a switch, 30,000 homes in one part of Detroit will soon become the first in the country to receive electricity transmitted by ice-cold high-performance cables. Other American cities are expected to follow Detroit’s example in the years ahead, which could conserve enormous amounts of power. The new electrical cables at the Frisbie power station in Detroit are revolutionary because they are made of superconductors. A superconductor is a material that transmits electricity with little or no resistance. Resistance is the degree to which a substance resists electric current. All common electrical conductors have a certain amount of electrical resistance. They convert at least some of the electrical energy A. have little or no electrical resistance. B. can be used for a long time. C. are not energy-efficient. D. can be made easily. [填空题]500kV主变的220kV变中开关停电操作 操作权下放范围。
[判断题]以享受国家优惠政策购买的住宅抵押的,其抵押额以抵押物的市场价值为限。
A.正确 B.错误 [单选题]如果要在“插入”和“改写”状态之间切换,可以按键盘上( )键。
A.Insert B.Home C.End D.Esc [单选题]低压配电设备、低压电缆、集束导线停电检修,无法装设接地线时,应采取( )或其他可靠隔离措施。
A.停电$ B.$悬挂标示牌$ C.$绝缘遮蔽$ D.$装设遮栏 [判断题]张衡发明的地动仪是世界上最早的可以预测地震发生的仪器。()
A.正确 B.错误 [单选题]《鲜活农产品目录》范围内不同鲜活农产品混装的车辆,如何处理?( )
A.A.应缴费 B.视情况而定 C.应认定为整车合法装载鲜活农产品,按规定享受鲜活农产品运输“绿色通道”各项政策 D.以上三者都不是 [多项选择]下列哪些部门负责人可作为贷审会部门委员()
A. 法规部门 B. 资金计划部门 C. 监察部门 D. 风险资产管理部门 [单项选择]
·You will hear an interview with a woman who publishes magazines. ·For each question 23-30, mark one letter (A, B or C) for the correct answer. ·After you have listened once, replay the recording. [单项选择]油画是绘画的重要门类,下列选项中与油画有关的描述正确的是()。
A. 常用的材料有油画材料,调色油,亚麻布 B. 基本分类有风景画,静物画,工笔画 C. 我国著名油画家有陈丹青,靳尚谊,潘天寿 D. 西方油画名作有《大碗岛星期天的下午》,《创世纪》,《郑铁饼者》 [多项选择]虚拟现实的定义可归纳为:利用计算机技术生成的一个逼真的()等的感觉世界,用户可以用人的自然技能对这个生成的虚拟实体进行交互考察。。
A. 视觉 B. 听觉 C. 触觉 D. 嗅觉 [单选题]使用盲板进行封堵时,盲板上少量沙眼或裂缝不妨碍使用。
A.正确 B.错误 C.略 D.略 E.略 F.略 [名词解释]冠毛生
[单选题]()是对变电设备验收、运维、检测、检修、反措执行及运检管理进行全面检查评价,全方位查找设备和运检管理薄弱环节,不断提升变电精益化管理水平和设备运行可靠性。
A.精益化管理评价 B.定期评价 C.动态评价 D.年度评价 [简答题]1 东平建筑公司承建原北市白云山隧道项目,现缺乏一种进口挖掘机,公司领导决定采用租赁方式向原北市建筑机械租赁公司租赁,以节约资金。
[填空题] In most countries, the law on organ transplantation(器官移植) is poorly defined. The existing framework 【B1】 to physical assault and care of the dead has no 【B2】 for organ transplantation. It is 【B3】 to get the permission of the relatives, 【B4】 because organ 【B5】 must take place immediately after death, it may be impossible to reach the relatives 【B6】 time. It has been suggested that there should be a widespread campaign to encourage persons to 【B7】 in their wills that their organs be used for transplantation. An 【B8】 is to provide by law that permission is 【B9】 unless removal has been forbidden by the individual in his lifetime. It is, of course, important that there 【B10】 public reassurance that consideration of transplantation would not 【B11】 normal resuscitative(抢救的) efforts of the 【B12】 donor. Transplantation has obviously 【B13】 important ethical considerations 【B14】 the diagnosis of death. Every effort must be made to 【B15】 the heartbeat to someone who has a sudden cardiac arrest
A. A.future B.tomorrow C.potential D.possible [单选题] 1号线与2号线电力监控系统采用( )公司的变电所综合自动化系统RT21-SAS。
A.南瑞 B.许继 C.ABB D.西门子 我来回答: 提交
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