热门试题:
[单选题]排产计划审核通过后,若供应商修改排产计划,需在系统中提出修改申请,并经生产管控专责或现场物资专责()审核,只有审核通过后,供应商才可以修改。
A.施工单位
B.监管单位
C.监理单位
D.项目经理
[多选题]1 "输电线路的绝缘配合,应满足线路在( )条件下安全可靠地运行。
A.工频电压
B.操作过电压
C.雷电过电压
D.不可抗力"
[判断题]用人的目的是"激活"人,而非"管住""管死"人。要做到人尽其才,必须鼓励竞争,优胜劣汰。()
[单选题]电焊机一次侧电源线不得超过()m,二次侧引出线不得超过30m。
A.2
B.3
C.5
D.6
[判断题]《国家电网有限公司供电服务标准》中现场服务时,可根据工作情况自行安排时间到达现场,高效服务。
A.正确
B.错误
[判断题]《电力安全工作规程(信息部分)》中的通信卡特指用户接入电话行政交换网、社会移动通信网、互联网等社会公众通信网络所使用的SIM卡等。
A.正确
B.错误
[单选题]社会成员的消费分为哪两种()
A.生活性消费
B.生产性消费
C.生活性消费和生产性消费
D.其他
[单项选择]
Methods of studying vary; what works (21) for some students doesn’t work at all for others. The only thing you can do is experiment (22) you find a system that does work for you. But two things are sure: (23) else can do your studying for you, and unless you do find a system that works, you won’t although college. Meantime, there are a few rules that (24) for everybody. The hint is "don’t get (25) ".
The problem of studying, (26) enough to start with, (27) the fastest readers have trouble to do that. And if you axe behind in written work that must be (28) , the teacher who accepts it (29) late will probably not give you good credit. Perhaps he may not accept it (30) . Getting behind in one class because you are spending so much time on another is really no solution. Feeling pretty virtuous about the seven hours you spend on chemistry won’t (31) one bit if the his
A. help
B. encourage
C. assist
D. improve
[单项选择]关于哪项不属于社会心理学研究的对象()
A. 个体层面
B. 群体层面
C. 社会层面
D. 环境层面
E. 社会认知
[单项选择]铸铁是脆性材料,其抗压强度比抗拉强度高()。
A. 2~3倍
B. 4~5倍
C. 6~7倍
D. 9~10倍
[单选题]某矿井下因发火将一长度为2350米,断面积为12平方米的巷道进行了封闭,现在用一台BGP-400型高倍数泡沫灭火机向封闭的巷道注入高泡,高泡机的泡沫量为400立方米/分钟。用( )分钟将封闭的巷道注满。( )
A.22.5
B.70.5
C.13.33
D.5.026
[单项选择]下列药物在服药期间宜多饮水的是()
A. 苯丙醇
B. 苯妥英钠
C. 左旋多巴
D. 琥珀酸亚铁
E. 甲氨蝶呤
[判断题]1塔式起重机的机体已经接地,其电气设备的外露可导电部分可不再与PE线连接。( )
A.正确
B.错误
[多选题] 公安机关可以在下列哪些地点宣告治安管理处罚决定书?()
A. 公安机关
B. 公安机关指定的地点
C. 被处罚人所在单位
D. 被处罚人的住处
[单选题]在不接地系统中,如发生单相接地故障时,其它相线对地电压会( )。
A.升高
B.降低
C.不变
[单项选择]By a comparison between past problems and present ones the author draws attention to the ______.
A. importance of the energy crisis
B. hopelessness of the situation
C. differences between the past and the present
D. inadequacy of governments
[多选题]电力通信设备除尘应使用合格的()和()。
A.工器具
B.材料
C.吸尘器
D.吹灰机
[判断题]已配置智能巡检装置的配电设施可开展远程在线监视,远程监视情况正常的,现场巡视周期可延长一至两个周期;远程监视发现异常情况应及时安排现场巡视、核查整改。
A.正确
B.错误
[多选题]()履行安全风险管理监管责任。
A.建设管理单位
B.设计单位
C.监理单位
D.施工单位
E.略
F.略
[填空题]过热器的热偏差主要是受热面()和蒸汽()、及设计安装时()所造成的。
[单选题]刮油环的作用是________.(263444:第02-02章 柴油机主要部件及检修)
A.散热
B.气密
C.刮油,布油
D.磨合
[判断题]若遇雷电、雪、雹、雨、雾等不良天气,禁止带电作业。
A.正确
B.错误
[单选题]选项中哪类不是初级消防员中包含的级别?
A.二级消防士
B.三级消防士
C.四级消防士
D.预备消防士
[单项选择]There is a mistake somewhere, we'll have to go ______ the accounts and see where it is.
A. up
B. rough
C. through
D. into
[判断题] 几个电阻并联后的总电阻等于各并联电阻的倒数之和。
A.正确
B.错误
[判断题]托运人或者其代理人违反《民用航空危险品运输管理规定》,未按要求对所托运的危险品加标记的,由民航管理部门处以警告或者3万元以下的罚款。
A.正确
B.错误
[多选题]关于重新印发《南昌铁路局动车组列车旅客运输管理细则》的通知(南铁客〔2017〕76号),《南昌铁路局动车组列车旅客运输管理细则》适用于
( )。
A.使用CRH商标的动车组列车
B.路局管内使用CRH商标的动车组列车
C.与动车组列车运营有关的车站
D.路局管内与动车组列车运营有关的车站
[单选题] 哪种元件主要用于半导体整流元件或整流装置的短路保护( )。
A. 插入式熔断器
B. 封闭式熔断器
C. 自复式熔断器
D. 快速熔断
器
[单选题]一油罐装有液上半固定泡沫灭火系统,失火后,消防队到场应首先( )
A.将消防泡沫车停在防护堤外将水带接口连接
B.调整比例混合器
C.泵加压至正常的工作压力
D.打开阀门向半固定系统供给泡沫混合液
[单选题]钢轨探伤仪37°探头探测50kg/m钢轨第一螺孔时(声程为200mm),探头入射点移至距轨端10mm左右,在荧光屏刻度4.3格左右显示( )。
A.倒打螺孔波
B.顶面反射波
C.颚部反射波
D.倒打伤波
[单项选择]在没有外在压力条件下,个体受他人影响仿照他人,使自己与之相同或相似的现象,称为( )。
A. 社会促进反应
B. 模仿
C. 感染
D. 暗示
[填空题]I always think of books with {{U}} (36) {{/U}} feeling, being deeply {{U}} (37) {{/U}} to them, as I am, for the {{U}} (38) {{/U}} they have brought me. Books are my {{U}} (39) {{/U}} teachers. In my childhood, when I was {{U}} (40) {{/U}} of happiness and schooling by poverty, books took me to their large bosoms and {{U}} (41) {{/U}} me generously. It is to them that I owe what I am today. Without them, I would probably have ended up in abject misery long ago.
Books are my good friends. They have offered me a golden key to {{U}} (42) {{/U}} my horizons and ridding myself of stupidity and {{U}} (43) {{/U}}. They spare no efforts to help me. Books were my sweethearts in my youth, my bosom friends in my middle age and my companions in my declining years. Accompanied by books, {{U}} (44) {{/U}}. They have made a rich man of me in the inner world. {{U}} (45) {{/U}}. When I feel tired out after finishing my work, or when I am in a bad mood, I’ll try to get close to books for c
[多选题]ZPW-2000A型无绝缘轨道电路调谐区设备包括( )、双体防护盒、钢包铜引接线。
A.A、调谐单元
B.B、匹配变压器
C.C、防雷单元
D.D、空芯线圈
[简答题]安装电力通信设备前,宜对机房作业现场基本条件、电力通信电源负载能力等是否符合安全要求进行现场勘察。