热门试题:
[判断题]货物列车运行中,自阀减压排风未止,不得缓解机车制动。
A.正确
B.错误
[多选题]数字式万用表不得测量(),以免损坏仪表。
A.1000V以上的直流电压
B.700V以上的交流电压
C.1000V以下的直流电压
D.700V以下的交流电压
[单选题]在网络层上实现网络互连的设备是( )
A. 路由器
B. 交换机
C. 集线器
D. 中继器
[单选题] 下列( )不是班组劳动分工应注意的事项。
A. 明确责任
B.劳动协做
C.人员稳定
D.不分差异
[多选题]下列关于室外装饰装修的基本要求,说法正确的有( )。
A.结合经济条件量力而行
B.与整体环境保持一致
C.满足相应部位尺寸、性能的要求
D.满足建筑物物理方面的特殊要求
E.与工程技术密切配合
[单项选择]《铁路旅客运输服务质量标准》规定,列车广播员要执行(),保持设备完好。
A. 作业程序
B. 操作规程
C. 播音规范
D. 岗位责任制
[单选题]《铁路旅客运输服务质量规范》(高铁中型及以上)规定,候车区(室)、售票处、出站检票处和补票处应设有( )。
A.指示标志
B.引导标志
C.儿童票标高线
D.一米线
[单选题]以下洗车作业描述错误的是()
A.前端洗完毕,确认洗车臂收回、停车指示牌显示绿色箭头,方可动车
B.后端洗完毕,确认停车指示牌显示绿色箭头后,继续以慢行模式动车
C.列车头部越过“清洗结束”标,确认D10信号机开放后恢复正常速度(将主控手柄回零后分慢行模式开关)
D.有端洗代表侧洗
[单选题]“试拉”信号夜间显示方式为:绿色或()灯光上下小动。
A.白色
B.黄色
C.红色
[单选题]农业服务业中的农产品初加工、大批包装以提供初级市场的用电,执行农业生产电价。
A.正确
B.错误
[单选题]在均匀磁场中,磁感应强度可用________表示。 ( )
A.B=Ф
B.B=ФS
C.B=Ф/S
D.B=S/Ф
[单选题]“月上柳梢头,人约黄昏后”描写的传统节日是【 】。
A.中秋节
B.元宵节
C.端午节
[判断题]依据《南方电网公司安全生产令》第八条的规定,加强设备管理,强化技术监督,做好运行维护、大修和技改工作,提高设备健康水平,防止一般及以上设备事故发生。( )
A.正确
B.错误
[单项选择]下列哪种药物可使心衰患者的症状加重:
A. 螺内酯
B. 呋塞米
C. 氯酞酮
D. 乙酰唑胺
E. 甘露醇
[单选题]党的十九大报告指出,伟大的事业必须有坚强的()来领导。
A.国家
B.党
C.民族
D.领导班子
[判断题]110千伏及以上电压等级母线停电检修中型检修
A.正确
B.错误
[单选题]重合器高压合闸线圈能耐受冲击电压()kV。
A.30
B.40
C.50
D.60
[单选题] 工作期间,工作负责人若需暂时离开工作现场,应指定能胜任的人员临时代替,离开前应将工作现场交待清楚,并告知( )。
A.被监护人员
B.部分工作班成员
C. 全体工作班成员
[多项选择]撤回要约的通知( ),则要约不发生效力。
A. 先于要约到达受要约人
B. 与要约同时到达受要约人
C. 晚于要约到达受要约人
D. 一经发出
[单项选择] To understand the marketing concept, it is only necessary to understand the difference between marketing and selling. Not too many years ago, most industries concentrated primarily on the efficient production of goods, and then relied on "persuasive salesmanship" to move as much of these goods as possible. Such production and selling focuses on the needs of the seller to produce goods and then convert them into money.
Marketing, on the other hand, focuses on the wants of consumers. It begins with first analyzing the preferences and demands of consumers and then producing goods that will satisfy them. This eye-on- the-consumer approach is known as the marketing concept, which simply means that instead of trying to sell whatever is easiest to produce or buy for resale, the makers and dealers first endeavor to find out what the consumer wants to buy and then go about making it available for purchase.
This concept does not imply that business is benevolent or that consumer satis
A. to sell the largest possible amount of goods
B. to transport goods as efficiently as possible
C. to dispose of these goods in large quantities
D. to redesign these goods for large-scale production
[单选题]到1992年8月底,同中国建交的国家达到_____个。
A.153
B.154
C.155
D.156
[判断题]在所有反对突然变异的观点中,胚胎学的反对最为强而有力。
A.正确
B.错误
[单项选择]Reading involves looking at graphic symbols and formulating mentally the sounds and ideas they represent. Concepts of reading have changed (51) over the centuries. During the 1950’s and 1960’s especially, increased attention has been devoted to defining and describing the reading process. (52) specialists agree that reading (53) a complex organization of higher mental (54) , they disagree (55) the exact nature of the process. Some expels, who regard language primarily as a code using symbols to represent sounds, view reading as simply the decoding of symbols into the sounds they stand (56) .
These authorities (57) that meaning, being concerned with thinking, must be taught independently of the decoding process. Others maintain that reading is (58) related to thinking, and that a child who pronounces sounds without (59) their meaning is not truly reading. The reader, according to some, is not just a per
A. by
B. to
C. off
D. for
[判断题]( )在剖视图中,对于移出剖面,用剖切符号表示剖切位置,用箭头表示投影方向。
A.正确
B.错误
[判断题]“对重大风险隐患未充分揭示”属于调查环节主要风险点。( )
A.正确
B.错误
[单选题]110kV及以上高压电缆头制作,下面叙述不正确的是( )。
A.使用压接工具前,应检查压接工具型号、模具是否符合所压接工作等级要求
B.压接时,人员要注意头部远离压接点,保持200mm以上距离。装卸压接工具时,应防止砸碰伤手脚
C.进行电缆终端瓷质绝缘子吊装时,应采取可靠的绑扎方式,防止瓷质绝缘子倾斜,并在吊装过程中做好相关的安全措施
D.扩建工程施工时,不得在带电导线、带电设备、变压器等附近以及在电缆夹层、隧道、沟洞内对火炉或喷灯加油、点火
[多项选择]常见的金属晶格有()。
A. 体心立方晶格
B. 面心立方晶格
C. 线心立方晶格
D. 密排立方晶格
[多选题]CPC卡发放时严格遵循( )原则及( )要求。
A.一车一杆
B.一车一卡
C.收费营运
D.收费业务
[判断题]火场热辐射强烈,可用雾状水流掩护灭火人员进攻,掩护群众疏散。特殊情况下,可采用直流水枪依次交替掩护。( )
A.正确
B.错误
[多选题]下列( ) 是《高毒物品目录》中所列的高毒物品。
A.汞
B.氨
C.苯
D.氯气