Many people in the world live in big
cities, which are often dirty and difficult places to live in. So, some cities
will get bigger. They will also get higher, and lower, because people will begin
to live under the ground as well as in tall buildings. Scientists also say that
men can begin to live in cities under the sea, when there is not enough space on
the land. Of course, these new cities will be very expensive, and difficult to
build, but they are not impossible. Already, some countries are building places
to live under the ground so their people can go there if there is a new war.
There are underground cities in Switzerland and China, built by the government
to help some of the people live after a great war. But will the people change if they live under the ground for a long time For example, some fish go blind if they live in the dark A. the world are polluted B. it’s dark there C. they can’t see the far-away things D. they can’t grow their own food in the sun [单选题]拆除贮存易燃、易爆或有毒、有害介质的大型贮罐,操作人员应配备相应的专用劳动防护用品,并正确使用。
A.正确 B.错误 [单项选择]机械加工企业的煤气站的水煤气、半水煤气的含氧量达到()%时必须停炉。
A. 0.2 B. 0.7 C. 0.5 D. 1 [简答题]主要负责人应与各管理部门、车间签订安全目标责任状,车间应该与每个班组签订安全目标责任状,确保全员签订安全目标责任状,并对完成情况定期考核。
[简答题]为了保证继电保护装置的灵敏性,在同一套保护装置中,闭锁、启动等辅助元件的动作灵敏度与所控制的测量等主要元件的动作灵敏度应该是什么关系?
[填空题]
[判断题]现场审核时审核员发现某工人未按安全操作规程使用电焊机,该现象是一个效果性不符合。( )
A.正确 B.错误 [判断题]直流母线电压和电压监察(测)装置绝缘检查时用1000V兆欧表测量被测部位,绝缘电阻测试结果应符合以下规定:柜内直流汇流排和电压小母线,在断开所有其他连接支路时,对地的绝缘电阻应不小于1MΩ。
A.正确 B.错误 [单选题]当锅炉热负荷升高,造成炉管局部过热,对于炉内采用磷酸盐处理的锅炉,下列说法正确的是( )。
A. 会导致炉水中磷酸盐浓度降低 B. 炉管壁上的磷酸盐溶解在炉水中 C. 磷酸盐容易析出附在炉管壁上 D. 对炉水中磷酸盐浓度没有影响 [单选题]配电变压器出口三相电流的不平衡度不应大于( ).
A.10% B.15% C.25% D.30% [多选题]无动力附挂将( )取出(手柄无法取出的机型除外)。
A.换向手柄 B.主手柄 C.自阀手柄 D.单阀手柄 [单项选择]林女士因患滴虫性阴道炎,准备用自助冲洗器灌洗阴道,护士应告知她醋酸冲洗液的浓度为
A. 0.2% B. 0.5% C. 1% D. 1.5% E. 2% [判断题]1429. ( )为防止润滑脂堵塞油道,要求所用润滑脂用汽油进行稀释。
A.正确 B.错误 [多选题]安全警示标志一般由 ( ) 构成。
A.安全色 B. 、几何图形 C. 、图形符号 D. 、以上均不是。 [单选题]跨区间无缝线路内铺设的道岔( )。
A.可以铺设在缓冲区 B.可以铺设在伸缩区 C.视情况可以铺设在无缝线路任何位置 D.必须设在固定区 [多项选择]实现企业弹性的方法包括()
A. 增加冗余 B. 提高柔性 C. 调整企业文化 D. 加强信息化 [多选题]工作票上应填写哪些内容( )。
A.检修项目 B.工作地点 C.应拉开开关 D.安全技术措施 [简答题]脱水槽作为粗选时的操作要点是什么?
[判断题]工业建筑仅指供人类进行生产活动的建筑物。
A.正确 B.错误 [判断题]竣工检验的重点是现场建设情况与供电方案的一致性,主要电气设备的出厂和交接试验,不包括受电装置进线保护和自动装置的整定值及其与客户内部保护之间的配合情况。
A.正确 B.错误 [单项选择]颈内动脉系统短暂性脑缺血发作的症状可有()
A. 阵发性眩晕 B. 复视 C. 交叉性瘫痪 D. 吞咽困难 E. 运动性失语 [单项选择]查药品()
A. 对药品性状、用法用量 B. 对临床诊断 C. 对科别、姓名、年龄 D. 对药名、剂型、规格、数量 E. 对价格收费 [单选题]关于化肥说法正确的是
A.高塔工艺比氨化工艺肥效好 B.复合肥含量越高越好 C.复合肥水溶越快越好 D.应该根据作物选择合适的肥料和用量 [判断题]在上料、加工、保管、出售等环节中,组织餐车人员执行饮食卫生“五四”制,做好防毒、防火、防盗工作
A.正确 B.错误 [单项选择]So firmly entrenched in the political economy has the minimum wage become that its latest increase to £5.35 ($10.08) an hour, caused little stir. Yet the introduction of a national pay floor in 1999 was one of New Labour’s most radical economic policies. Although minimum wage rates had previously covered a few industries, this was the first time that a general rate had been set.
During the 1997 election campaign the Conservatives said that the policy would destroy jobs. Some economists calculated that hundreds of thousands of people might be put out of work. These dire warnings proved way off the mark after the national minimum wage came into force seven years ago. The feared job losses did not materialise. However, that benign acquisition had much to do with the cautious approach the government, advised by the Low Pay Commission, at first adopted. In April 1999 the main rate—for workers aged 22 or over— was set quite low, at £3.60 an hour. Eighteen months later, the rate e A. inaccurate. B. precise. C. ludicrous. D. annoying. [简答题]电力作业在什么情况下可当天签发工作票?
[多选题]《行规》使用计轴复零按钮的规定中,说法错误的是( )。
A.使用计轴复零按钮前,车站值班员须共同确认区间空闲 B.由对方站向列车调度员请求并说明使用原因和区间空闲 C.列车调度员在发布调度命令前须查明区间空闲,并同时向区间两端站发布调度命令 D.电务人员检修闭塞设备需使用计轴复零按钮时应在天窗内进行,履行登记和签认手续后,并请求调度命令 [判断题]根据对企业银行结算账户业务影响程度,账户管理系统突发事件分为Ⅰ类事件、Ⅱ类事件、Ⅲ类事件。 厦国银发〔2019〕54号:关于颁发《厦门国际银行股份有限公司境内机构企业银行结算账户人民币银行结算账户管理系统业务应急预案》的通知
A.正确 B.错误 [单项选择]面向对象的设计方法与传统的面向过程的方法有本质不问,它的基本原理是______ 。
A. 模拟现实世界中不同事物之间的联系 B. 强调模拟现实世界中的算法而不强调概念 C. 使用现实世界的概念抽象地思考问题从而自然地解决问题 D. 鼓励开发者在软件开发的绝大部分中都用实际领域的概念去思考 我来回答: 提交
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