热门试题:
[单选题])当吊物重量达到额定载荷的()时,起重机的起升机构会自动停止运转。
A.95%~100%
B.100% ~ 105%
C.105%~ 110%
[单选题]转变电网发展方式的主要标志是:( )
A. 加强建设以大电网为重点、各级电网协调发展的坚强国家电网
B. 加强建设以大电网为重点、协调建设大电厂
C. 建设以特高压电网为骨干网架、各级电网协调发展的坚强国家电网
D. 建设以特高压电网为骨干网架、协调建设大电厂
[单项选择]
Taking a Nap During the Day
Medical experts say most Americans do not get
(51) sleep. They say more Americans need to rest for a short period in the middle of the day. They are advising people to sleep lightly before
(52) with other activities.
One study earlier this year found that persons who sleep for a few minutes during the day were less
(53) to die of disease. The study followed more than 2,300 Greek adults
(54) about six years. Adult who rested for half an hour
(55) three times a week had a 37 percent lower risk of dying from heart disease than those who did not nap.
Study organizers said the strongest evidence was in working men. They said naps might improve
(56) by mitigating tension caused by work.
Some European and Latin American businesses have supported the
(57) of napping for many years. They urge people to
(58) work, go home and have a nap before return
A. experiment
B. reform
C. idea
D. way
[填空题]The chief disadvantage of pronouncing words while you read them is that it tends to tie reading speed to speaking speed, and the silent reading of most normal readers is nearly ______ as fast as their speaking.
[单选题]C-A-027 B 3 5
( )某 LS25-1 型流速仪的公式为 V=0.0051+0.2524n,测速时,100s 时间内人工记录的音频信号输出数为 24 个,则该测点流速为{.XZ}m/s。
A. 0.065
B. 0.066
C. 1.21
D. 1.22
[多选题]†年3月30日召开的全国公安机关视频会议强调,公安机关要充分发挥职能优势,主动开展线索排查研判,切实提升精准打击违法犯罪的能力。其主要措施包括:
A.坚持从重从快处理,提升工作效能
B.坚持打早打小,加强区域协作
C.坚持统一领导,提升工作效能
D.坚持专群结合、网上网下结合
[多选题]《中国南方电网有限责任公司电力安全工作规程》(Q/CSSG 510001-2015)9.4.1.2规定:电气操作票发令人的安全责任有( )。
A.调度管辖设备操作时,与调度命令票操作人的职责一致
B.集控中心发令人转达调度命令给现场操作人员发令时,应正确完整地传递调度命令,并随时掌握现场实际操作情况与操作命令要求一致
C.厂站管辖设备操作时,根据工作安排正确完整地发布操作指令,并随时掌握现场实际操作情况与操作指令要求一致
D.掌握操作任务,正确无误地填写操作票
[单项选择] Customer Service Centre Manager Wanted
It’s no use providing excellent services if the people they’re designed for don’t know about them, or aren’t sure how to (29) them. That’s why we’re opening a Customer Service Centre in October which will provide a model for (30) more units of this type. The Centre will be on a busy high street so that everyone can see it.
(31) the manager, you’ll be the driving force behind this new venture. To work (32) this exiting new post, you should have at least two years’ management experience ill customer services. Your ability to think (33) and your knowledge of local businesses will (34) you to plan and run the operations of the Centre to the highest standards and (35) budget.
(36) your strong leadership skills, you’ll ensure a happy and open environment (37) all your people can develop, and the service (38) is always improving.
A. provide
B. provides
C. provided
[单选题]如果飞行的终止地点所在时区与机组成员基地所在地之间有____或以上的时差,应安排一个至少连续_____小时的休息期。
A.F/D8
B.F/CF
C.7/CE
D.F/CE
[单选题]进行线路停电作业前,应断开可能反送电的低压电源的断路器(开关)、隔离开关(刀闸)和熔断器
A.A.正确
B.B.错误
[单项选择]
Responsibilities—We all have them; most of us have more than we’d like. That doesn’t change the reality that, sooner or later, we all have to (1) up to them. But perhaps it does explain our (2) to add to the ever-growing list. There’s already so much to ’do in a day, why tack on an (3) burden
Unfortunately, it’s this kind of defeatist mentality (4) keeps people from enhancing their lives through proper (5) and exercise. Here is the salient point, though: The health and fitness benefits you’ll derive from (6) the necessary work are worth whatever sacrifices you must make (7) the way. I can’t count how many times I’ve heard the same (8) . Each time, I always give the same response: Yes, I say, working out is work. So is taking the (9) to eat right. (10) yourself on the couch or having drinks with friends after work is a lot easier th
A. share
B. part
C. portion
D. section
[单项选择]遗传性球形细胞增多症的确诊试验是
A. 红细胞渗透脆性试验
B. 抗人球蛋白试验
C. 血红蛋白电泳分析
D. 酸溶血试验
E. 高铁血红蛋白还原试验
[判断题]通常可以将爆炸分为物理性爆炸和化学性爆炸两大类。
A.正确
B.错误
[单选题]复分解反应是由( )化合物互相交换成分,生成另外两种化合物的反应。(30)
A.两种
B.三种
C.四种
D.五种
[单项选择]()是把传感器的输出信号转变为可被控制器识别的信号的转换器。
A. 变送器
B. 变频器
C. 输送器
D. 传输器
[多选题]中暑是指在()和()的长时间作用下,机体体温调节障碍,水电解质代谢紊乱及神经系统功能损害的症状的总称。
A.阳光
B.高温
C.热辐射
D.空气质量差
[判断题]对封存、备用及未上线运行的车辆须集结成列(组),停放在规定的场所。
A.正确
B.错误
[多项选择]有下列( )情况之一的,公司应当修改章程。
A. 董事会决定修改章程
B. 《公司法》或有关法律、行政法规修改后,章程规定的事项与修改后的法律、行政法规的规定相抵触
C. 公司的情况发生变化,与章程记载的事项不一致
D. 股东大会决定修改章程
[单选题]实施德育的最基本的途径是().
A.政治课与其他学科教学
B.课外校外活动
C.劳动
D.共青团活动
[单选题]HTTPS是一种安全的HTTP协议,它使用( )来保证信息安全,使用( )来发送和接收报文。
A.SSH、UDP 的443 端口
B.SSL、TCP 的443 端口
C.SSL、UDP 的443 端口
D.SSH、TCP 的443 端口
[填空题]定位节点选配:根据轴箱节点内径,选配合适的定位节点,确保压装过盈量()mm,并确保用于同一轮对的节点刚度等级(),同一转向架使用()等级的定位节点。
[多项选择]财政政策的手段主要包括( )
A. 国家预算
B. 税收
C. 国债
D. 财政补贴
E. 转移支付
[判断题]题 (1.0分) 题号:694 难度:中 8章
在VB中,可通过函数 Now返回计算机系统的日期和时间.
A.正确
B.错误
[单选题]整个认识过程的起点是实践基础上首先获得( )
A.感觉
B.知觉
C.概念
D.判断
[单选题]党的十九大报告强调要深化国防科技工业改革。形成军民融合深
度发展格局,构建( )的国家战略体系和能力。
A..一体化
B..智能化
C..联合化
D..信息化
[多项选择]胸部脏器损伤包括()
A. 肋骨骨折
B. 胸壁挫伤
C. 肝脏损伤
D. 心脏破裂
E. 肺脏挫伤
[单选题]跟踪出站调车,只准许在单线区间及双线正方向线路上办理,并须经()口头准许,取得邻站值班员承认的电话记录号码,发给司机跟踪调车通知书(附件5)。
A.A.调度所值班主任
B.B.车站值班干部
C.C.列车调度员
D.D.车务段值班干部
[单选题]施工现场的乙炔气瓶应安装防( )装置。
A.点火
B.回火
C.燃火
D.熄火
[判断题]GDP是指在一国领土范围内,本国居民和外国居民在一定时期内所生产的、以市场价格表示的产品和劳务范围。
A.正确
B.错误
[单选题]坚持党的领导,首先是坚持(( ))。
A.集中统一领导
B.党中央的集中统一领导
C.党的政治领导
D.党的组织领导
[判断题]碱度是指水中能够接受[H+]离子与强酸进行中和反应的物质含量。水中产生碱度的物质主要由碳酸盐产生的碳酸盐碱度和碳酸氢盐产生的碳酸氢盐碱度,以及由氢氧化物存在而产生的氢氧化物碱度。( )
A.正确
B.错误
[单选题]由工作班组现场操作时,若不填用操作票,应将设备的双重名称,()及操作内容等按操作顺序填写在工作票上。
A.设备名称和编号
B.线路的名称、杆号、位置
C.双重称号
D.设备名称
[不定项选择题]A.生理性免疫防御
A.生理性免疫自稳
B.免疫监视功能失调
C.免疫自稳功能失调
D.免疫防御作用过高
E.超敏反应属于
[单选题]使用灯显设备指挥调车时,2台及以上机车在站内调车作业时,灯显设备禁止( )。
A.在同一咽喉作业
B.共用同一频率
C.越区作业
[单项选择]The nation wants peace; only a ______ want the war to continue.
A. community
B. majority
C. minority
D. society
[单选题]哪项属于预防性消毒( )
A.接触痢疾病菌员后洗手
B.为传染病病员接触物消毒
C.为艾滋病员的室内空气消毒
D.为没有明确可能受到病原体污染物消毒
[判断题]根据《国家电网公司变电验收管理规定》,500(330)kV-1000kV变压器负载损耗应在最大、额定、最小电压分接头位置上进行,数值应满足投标技术规范书要求
A.正确
B.错误
[判断题]倒闸操作中不准擅自更改操作票,不准随意解除闭锁装置。
A.正确
B.错误