热门试题:
[判断题]OLT设备具有网络汇聚层的功能,负责用户接入网的汇聚和业务的分离。
A.正确
B.错误
[判断题]质量统计控制图上出现异常点时,才表示有不良品发生。
[简答题]国家标准GB/T3805-2008
特低电压
限值》规定:正常环境条件下,正常⼯作时⼯频电压最⼤值的限值
为33V。
[判断题] ( )团结互助能营造人际和谐气氛,增强企业内聚力。
A.正确
B.错误
[单选题] 417
为应对大规模连接,5G适应mMTC物联网场景时,推荐采用的SCS子载波间隔为多少?
A.60Khz
B.30Khz
C.15khz
D.120Khz
[判断题]在货物线附近搬运作业时,装卸、运输机具和人员进入距钢轨头部外侧1.5米以内的空间,必须安设防护信号。( )
A.正确
B.错误
[判断题]微机监测站机故障属于B类故障。(___)
A.正确
B.错误
[单选题]施工现场从事机械作业的木工,应配备紧口工作服,( )和防尘口罩,宜配备防护眼 镜。
A.防噪声耳罩
B.绝缘胶鞋
C.手套
D.耐酸碱胶鞋
[单选题]肿瘤就是癌症,癌症就是肿瘤,两者没有根本的不同。
A. 正确
B. 错误
[判断题]Z在设备运输过程中设备的前方及两边严禁有人,应平稳拉动。( )
A.正确
B.错误
[单选题]305.(87088)对电动潜油泵的电机保护器叙述错误的是( )。(1.0分)
A.A、传递力矩并轴向卸荷
B.B、保证电机内部机油压力高于外部井液压力,防止井液进入电机引起短路
C.C、补偿电机内的润滑油
D.D、安装在多级离心泵上方
[单选题]变压器温度升高时,绝缘电阻测量值()。
A.增大
B.降低
C.不变
D.成比例增大
E.略
[单选题]安全设备()应定期更新。
A.A.运行参数
B.B.特征库
C.C.策略配置
D.D.业务数据
[判断题]党内的是非问题要按照党章的规定去解决,决不允许把对付犯罪的手段用于解决党内的矛盾问题。 ( )
[多项选择]横向行驶的车辆撞在纵向行驶的车辆的中部,纵向行驶的车辆会有哪些变形。()
A. 车身中部压缩变形
B. 车身中部弯曲变形
C. 车身前部左右弯曲变形
D. 车身后部左右弯曲变形
[单项选择]培训方案具有()性质,是实施上级领导机关向所属单位布置一定时期的培训工作指导说明书。
A. 特殊性
B. 计划
C. 统一
D. 实际
[单选题]男性,30岁。吸烟8年,反复咳嗽、咳痰3年。2个月来发热,体温37.6~38.2℃,咳嗽加重,咳少量白痰,痰中偶带血丝,伴乏力、盗汗。关节酸痛,食欲稍减退,体重下降5kg。今晨漱口时突然咯鲜血,量约100ml。X线胸片发现左肺有片状阴影,其间有透亮区
为进行诊断,医生进行了PPD皮内试验,判断结果的时间应为
A.24小时内
B.24~48小时
C.36小时
D.48~72小时
E.72小时后
[单选题](3分) 下列哪项不是血管舒缩障碍引起的晕厥
A. 单纯性晕厥
B. 过度通气综合征
C. 排尿性晕厥
D. 颈动脉窦综合征
E. 下腔静脉综合征
[单选题]依据南网安规,继电保护、安全自动装置及自动化系统做传动试验或一次设备通电试验时,应通知运行人员和有关人员,并由()或由他指派专人现场监视,方可进行。
A.工作负责人
B.值班人员
C.监护人
D.工作许可人
[单项选择]Almost every family buys at least one copy of a newspaper every day. Some people subscribe(订阅) to as many as two or three newspapers. But why do people read newspapers
Five hundred years ago, news of important happenings - battles lost and won, kings or rulers overthrown(推翻)or killed took months and even years to travel from one country to another. The news passed by word of mouth and was never accurate. Today we can read in our newspapers of important events that occur in far away countries on the some day they happen.
Apart from supplying news from all over the world, newspapers give us a lot of other useful information. There are weather reports, radio, television and film guides, book reviews, stories and, of course, advertisements. (76) The bigger ones are put in by large companies to bring attention to their products. They pay the newspapers thousands of dollars for the advertising space, but it is worth the money, for news of their products goes into almost eve
A. sent by e - mail
B. passed from one person to another
C. sent by letter
D. sent by telephone
[单项选择]Young people should never simply _________material comforts.
A. go in for
B. go into
C. go by
D. go along with
[不定项选择题]A.钩状茎
A.木通
B.生晒参
C.4个亮棕色或亮黑色的丝腺环
D.亮点
E.僵蚕的断面可见
[多项选择]计算机的发展经历了四个时代,以下选项中属于四个时代的有()。
A. 电子管计算机
B. 晶体管计算机
C. 集成电路计算机
D. 大规模集成电路计算机
[判断题]操作没有机械传动的断路器(开关)、隔离开关(刀闸)或跌落式熔断器,应使用绝缘棒。
A.正确
B.错误
[单项选择]治疗红斑狼疮性脂膜炎的首选药物是()
A. 皮质类固醇激素
B. 氯喹
C. 环孢素
D. 氨苯砜
E. 硫唑嘌呤
[单项选择] Recent research has claimed that an excess of positive ions in the air can have an ill effect on people’’s physical or psychological health. What are positive ions Well, the air is full of ions, electrically charged particles, and generally there is a rough balance between the positive and the negative charges (电荷). But sometimes this balance becomes disturbed and a larger proportion of positive ions are found. This happens naturally before thunderstorms, earthquakes or when winds such as the Mistral, Foehn, Hamsin or Sharav are blowing in certain countries. Or it can be caused by a build-up of static electricity indoors from carpets or clothing made of man-made fibres, or from TV sets, duplicators or computer display screens.
When a large number of positive ions are present in the air, many people experience unpleasant effects such as headaches, fatigue, irritability, and some particularly sensitive people suffer nausea or even mental disturbance. Animals are also found to b
A. prevent disasters
B. organize groups of people
C. predict earthquakes
D. control areas of California
[单选题]3.32.
UPS系统( )试验1次。
A.每月
B.每季度
C.每半年
D.每年
[单选题]企业投资预算的控制方式受()所决定。
A.投资活动规模
B.投资活动特点
C.审批人职位
D.审批流程是否规范
[判断题]乙醇燃烧时发出白色火焰。( )(蓝色)
A.正确
B.错误
[多选题]以下属于现金出纳设施的是( ) 。
A.清分机
B.捆钞机
C.点钞机
D.扎把机
[单选题]一个(或一组)工人,在一个工作地点,对一个或数个工件连续完成的那部分工艺过程称为( )。
A.工序
B.工位
C.工步
D.走刀
[单选题]允许速度160≥Vmax>120km/h正线,轨道动态质量容许偏差管理值,轨向(波长1.5~42m)I级偏差管理值为( )mm。
A.5
B.7
C.8
D.12
[单项选择]已知清水池最低水位标高80m,泵站内管路(包括吸水管)水头损失2m,二级泵站至网前水塔的水头损失为10m,水塔水深为4m,水塔高度为20m,水塔处地面标高为90m,则二级泵站设计扬程宜为( )。
A. 28m
B. 40m
C. 46m
D. 48m
[单选题]X DW 1234H,0A9BH
Y DB 7EH,8DH
┇
MOV BH,TYPE X
MOV BL,TYPE Y
执行后BX的内容是( )。
A.0102H
B.0101H
C.1234H
D.0201H
[单项选择]处方一般不得超过几日用量()
A. 1日
B. 3日
C. 5日
D. 7日
E. 14日