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[单选题]《配电安规》高处作业区周围的孔洞、沟道等应设( )并有固定其位置的措施。
A.A-盖板
B.B-盖板、安全网
C.C-盖板、安全网或遮栏(围栏)
D.D-专人监护

热门试题:

[单项选择]Ⅱ度深覆牙合是指()
A. 上前牙牙冠覆盖下前牙不足冠1/3者
B. 上前牙牙冠覆盖下前牙超过冠1/3而不足1/2者
C. 上前牙牙冠覆盖下前牙超过冠1/2而不足2/3者
D. 上前牙牙冠覆盖下前牙超过冠2/3者
E. 上前牙咬到下牙龈
[单选题]发电设备非计划检修必须至少提前()小时向所属调控机构提出申请。
A.3
B.6
C.12
D.72
[判断题]组织、指导、监督变电设备物资的招投标和物资供应管理工作是国家电网公司物资部的职责。
A.正确
B.错误
[不定项选择题]有人测量一座桥离水面的高度,将一根绳子对折,碰到水面时绳子还剩下 6 米(按对折 后的长度算);把绳子平均折成三段,碰到水面时绳子还剩下 2 米。 问桥高多少米
A.2
B.4
C.6
D.8
[单项选择]在噪声很大的场合,人们照样可以听清楚其中某个人讲话的声音,这种现象称为()。
A. 双耳效应
B. 哈斯效应
C. 鸡尾酒会效应
D. 掩蔽效应
[简答题]有一条采用BV、380V/220V的TN-C线路,计算电流为50A,环温为30℃,cosα=0.6。 要求:按发热条件选择此线路的导线截面。
[判断题]桥梁有纵坡时,采用改变支座下座板顶面坡度的方式以适应梁体的坡度要求;超过支座最大可调整的坡度时可由制梁时梁底混凝土调整
A.正确
B.错误
[简答题]变比计算?
[单选题]站台售货车数量不得超过列车编组载客车辆辆数的()。
A.1/2
B.1/3
C.1/4
D.2/3
[多选题]旅客列车因特殊原因必须在中途站摘挂作业时,必须( )。
A.连结全部软管
B.在距停留车 10m处一度停车
C.以不超过 3km/h 的速度进行连挂
D.使用简易紧急制动阀
[单项选择]下面属于支路板告警的是( )
A. TU_AIS
B. OOF
C. R_LOS
D. ETH_LOS
[判断题]开工前,工作负责人或工作票签发人应重新核对现场勘察情况,发现与原勘察情况有变化时,应重新填写、签发工作票。
A.正确
B.错误
[简答题]片剂包衣的目的?
[判断题]中低压泵低压扬程为1.0MPa,流量40L/s,中压扬程为2.0 MPa,流量20L/s。( )
A.正确
B.错误
[判断题]民主是社会主义的生命力之源,人民当家做主是社会主义民主政治的本质和核心,社会主义民主是广泛的真实的民主,发展社会主义民主,必须做到坚持党的领导,人民当家做主和依法治国的有机统一。
A.正确
B.错误
[单选题]下列哪个部件不属于北桥芯片管理的范围之列( ).
A.处理器
B.内存
C.AGP接口
D.IDE接口
[单选题]重大物件不得直接用肩扛运,雨、雪后抬运物件时应有( )。
A.防范措施
B.防滑措施
C.安全措施
D.防冻措施
E.略
F.略
[单选题]党的十一届三中全会后,在农村实行家庭联产承包责任制的直接目的是( )。
A. 调动农民的生产积极性
B. 建设社会主义强国
C. 实行土地公有制
D. 掀起人民公社化运动
[单选题]某研究团队开展小学生身体健康状况调查活动,需要从某市三所小学中抽取部分小学生组成研究样本,其中实验小学抽取的人数占其他两所小学抽取人数的五分之一,解放路小学抽取的人数占其他两所小学抽取人数的二分之一,精英小学抽取的人数为180人,那么三所小学合计抽取多少人?( )
A.540
B.480
C.360
D.280
[多选题] 关于应收电费、实收电费和电费回收率的描述,正确的是()
A.供电企业根据经核准的用户电能计量装置的记录,按照国家核准的电价,向用户应该收取的电费,称应收电费
B.实收电费占应收电费的百分比,称电费回收率
C.收到并已实际到帐的电费数称实收电费
D.电费回收率是电费管理工作的重要指标
[单选题]因试验需要解开设备接头时,解开前应( ),重新连接后应检查。
A.检查设备
B. 做好标记
C. 落实监护人
D. 做好记录
[判断题]丙烷是爆炸性气体Ⅱ对级的代表气体。
A.正确
B.错误
[不定项选择题]共用题干 Optimists Really Do Live Longer,Say Scientists
1 For the philosopher Arthur Schopenhauer optimism was fundamentally wrong,banal and corrupting while the father of psychoanalysis Sigmund Freud simply declared it to be neurotic.
2 Experience shows that looking on the bright side of life does have advantages and recent scientific evidence points to the positive mindset as being beneficial to health.In other words,optimists live longer.
3 That was the conclusion reached by experts at the Mayo Clinic in the US State of Minnesota who evaluated answers given by people to a set of questions in the 1960s.Of the 729 candidates,200 had died and according to scientists,there were a disproportionate number of pessimists among them.
4 Ten points more on the pessimism scale-that was the difference between"slightly pessimistic"and "averagely pessimistic”-were enough to boost a person's chances of dying by 19 percent,according to the study by prominent psychologist Martin Seligman of the University of Pennsylvania.
5 The study does not say why pessimists die.But an older survey taken among children in San Francisco and Los Angeles makes it clear that personal attitude towards the world is a key factor in the ion- gevity equation.
6 The latest evidence to support the theory that optimists tend to cope better with illness of all kinds has been provided by Professor Raif Schwarzer of Berlin's Free University who questioned 600 heart and lung patients.His conclusion:Optimists recover more swiftly from operations than their pessimistic counter- parts,tend to be happier after treatment and return to work more swiftly.
7 There have been suggestions that optimists do not stay healthier but rather turn into optimists later because they enjoy good health.Numerous surveys have taken into account a person's state of health at the outset and the effect remains the same.
8 Studies have shown that optimists do not blind themselves to reality either.They thus interpret it in a positive way."Sublimating and denying things tend to alter reality but illusions are a way of seeing reality in the best light,"said Californian psychology professor Shelley Taylor.
9 German science journal Buld der Wissenschaft,which carries a major article on the topic in its current March issue,commented on"the right attitude"to having a tumor.
10 It seems psychotherapy can go some way towards extending the life span and life quality of a sick person although a complete recovery using psychological technique alone is unlikely.
1 1 Doctors like,however,to point to the example of US cycling professional Lance Armstrong,who was seriously ill with cancer,but whose unshakeable optimism helped him to take the top trophy twice at cycling's premier Tour de France.
1 2 The magazine also quoted a study by Sheldon Cohens of the Carnegie-Mellon-University in Pittsburgh: 420 volunteers were deliberately infected with strains of various common cold viruses.A day later checks were carried out to see who had caught a cold.
13 The results showed that in the case of people who had.satisfactory,long-term relations with friends, neighbors or colleagues, the virus was less likely to trigger a cold.Of people with three or fewer firm relation- ships 62 percent became ill compared with only 35 percent of those who had six or more close human links. How long one can live,partly depends on______.
A.to avoid unpleasant things in life
B.in looking on the bright side of life
C.less likely to catch cold
D.how one looks on life
E.to be unhappy all the time
F.more likely to get cancer
[多项选择]能源是当今人们最关心的重大问题之一。
2. 节约使用是缓解能源短缺的手段之一。
3. 但最好的解决办法是开发新的能源。
[判断题]智能组网299/399/599礼包在宽带拆机需在30日内将WIFI接入器退还中国电信,未退还需支付违约金。( )
A.正确
B.错误
[单项选择]原位癌是指()
A. 早期癌
B. 原发癌
C. 黏膜内癌
D. 未发生转移的癌
E. 未突破基底膜的癌
[判断题]
SCANTER2001i场监的发射频率是8170±30Mhz和8438±25Mhz
A.正确
B.错误
[单选题]不是中心防灾广播控制终端的具有的功能为()。
A.中心行车广播功能
B.噪声检测
C.时间同步功能
D.与防灾系统联动功能
[单项选择]在问诊过程中,做法错误的是()
A. 使病人理解无误
B. 避免使用专业性强的术语
C. 对病人的不良情绪立即批评
D. 不强迫病人回答有关隐私问题
E. 认真倾听,适当反馈
[单选题]变电站、发电厂升压站发现有系统接地故障时,应进行接地网接地电阻的测量。()
A.A.正确
B.B.错误
[判断题]变速器齿轮传动比既是降速比,也是增扭比。(中)( )
A.正确
B.错误
[判断题]职业道德是人们在从事职业的过程中形成的一种内在的、非强制性的约束机制。
A.正确
B.错误
[单选题]带电断开架空线路与空载电缆线路的连接引线之前,应检查电缆所连接的(),确认电缆空载。
A.架空线路状态
B.开关设备状态
C.互感器状态
D.设备状态
[单项选择]
In most cultures, when you meet acquaintances for the first time during a day, it is normal to greet them. The main purpose of this greeting is to{{U}} (56) {{/U}}a good relationship between the people{{U}} (57) {{/U}}and each language usually has{{U}} (58) {{/U}}set phrases which can be used for this purpose. Sometimes, though, there can be{{U}} (59) {{/U}}differences in the type of phrases which can be used, and cultural misunderstandings can easily{{U}} (60) {{/U}}. The following is a true example.
A young British woman went toHong Kong to work, and at the time of her{{U}} (61) {{/U}}she knew nothing about the Chinese culture of language. {{U}} (62) {{/U}}her way to school one day, she went to the bank to get some money. {{U}} (63) {{/U}}, the bank clerk asked her if she had had her lunch. She was extremely surprised{{U}} (64
A. a number of
B. the number of
C. the amount of
D. an amount of
[简答题]什么是压强?什么是表压、真空度和绝对压力?
[多选题]审议是指有业务管理权限的部门将初步处分建议提交由( )等部门组成的员工处分审议组进行集体审议。
A.纪检机构(监督部)
B.人力资源
C.法律
D.工会
[多选题]在下水道、煤气管线、潮湿地、垃圾堆或有腐质物等附近挖坑时,应设监护人。在挖深超过2m的坑内工作时,应采取安全措施,如()等。
A.戴口罩
B.戴防毒面具
C.向坑中送风
D.持续检测
[判断题]严禁在电器设备上搭放其他物品。
A.正确
B.错误

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