热门试题:
[单选题]下面不属于白合金轴承优点是()。
A.耐磨性好
B.抗压强度高
C.散热快
D.制造修理简单
[多项选择]线路敷设方法的有()。
A. WC
B. F
C. FC
D. SC
E. CT
[单项选择]每天机体代谢内生水为()
A. <1000ml
B. <800ml
C. <600ml
D. <500ml
E. <400ml
[单项选择]The telegram after unloading proceed manla in ballast indicates that the ship will proceed to Manila().
A. with dangerous cargo
B. for discharging
C. with no cargo on board
D. for taking ballast
[判断题]装卸作业质量由装卸工组自检,货运员验收合格后签认《装卸作业单》。
A.正确
B.错误
[单选题] 非集中联锁的安全线有效长度根据( )确定。
A. 调车信号机和车挡
B. 警冲标和车挡
C. 尖轨尖端
D. 轨道绝缘和警冲标
[单选题]依据《招标投标法》,依法必须进行招标的项目,招标人应当自确定中标人之日起()日内,向有关行政监督部门提交招标投标情况的书面报告。
A.7
B.15
C.20
D.28
[单选题]变电站技改工程可研初设审查改造的必要性,核对需要改造设备的( ),检查该设备的状态评价结果,设备是否满足技改原则。
A.运行状况
B.运行年限
C.设备名称
D.检修及运行履历
[不定项选择题]A.9~11岁
A.16岁以后
B.4~6岁
C.2岁
D.3~6个月
E.正颌外科治疗的年龄通常在
[单选题]《安全生产法》对企业安全生产管理机构设置和安 全生产管理人员配备做出了规定。下列企业的做法中,不符 合规定的是( )。
A.某石材加工企业有 160 名员工,配备 1 名专职安全管 理人员
B.某商场有 115 名员工,配备 1 名专职安全管理人员
C.某运输企业有 67 名员工,配备 2 名兼职安全管理人 员
[单项选择]Having been an office secretary for some years, she always ( ) chores in a responsible way.
A. goes on
B. goes for
C. goes without
D. goes about
[判断题]( ) 调车作业中使用听觉信号重复鸣示时,应间隔5s以上。
A.正确
B.错误
[判断题]学生卡享受单程票票价7折优惠
A.正确
B.错误
[单项选择]From his demeanor (举止) on entering the room I______that the interview had not gone well for him.
A. informed
B. implied
C. indicated
D. inferred
[单项选择]下述哪一项不是小腿筋膜间室()
A. 胫前间隙
B. 胫后浅间隙
C. 胫后深间隙
D. 胫外侧间隙
E. 胫内侧间隙
[单项选择]发动机的换气过程是指()
A. 进气过程
B. 排气过程
C. 进排气过程
D. 气门开启时期
[单选题]护木接头连接牢固,缝隙不大于( )mm。
A.2
B.3
C.4
D.5
[单项选择]Mr. Handforth in his old age, in his second childhood—advanced by his stroke—had kept his wits about him, and they, as old people’s wits sometimes will, inclined him to be critical of those who were nearest and dearest to him.
Undoubtedly, it was Judith who was—or who had been—nearest and dearest to him. Throughout the many years of his widowerhood—how many! —she had been at his beck and call, neglecting, as she herself had said and as he had had ample opportunities of confirming, her own family and he had gratefully though guiltily agreed to her suggestion, that her family would have been larger than it was, that Charlotte might have had brothers and sisters, as Seymour hoped she would have, if she had not felt that her father was her first priority.
This combined feeling of guilt and gratitude he had tried to acknowledge to her from time to time, by presents smaller and greater; and he had made and re-made his will many times, with the object of leaving the residue of his e
A. "Judith’s very tender mercies"
B. "her kindness and her assiduous attentions"
C. "the greed of gain"
D. "her true colours/
[判断题]消毒乳用超高温灭菌时,时间控制在2~4秒钟。
[单项选择]下列关于增量分析原则的表述,正确的是( )。
A. 项目外部效果的识别应防止漏算或重复计算
B. 要考虑项目建设可能产生的其他关联影响效果
C. 分析项目的投入和产出中作为最终消费品所产生的最终费用和效益,以及各种中间费用和效益
D. 项目经济分析应建立在增量费用和增量效益识别和计算的基础之上,不考虑沉没成本和已实现的效益
[单选题]下列哪项不属于高危人群定义( )
A.曾有轻度血糖升高(IFG和IGT)者
B.有糖尿病家族史者(双亲或同胞患糖尿病)
C.肥胖和超重者(体重指数BMI≥24kg/m2)
D.高血压患者(血压≥140/90mmHg)和(或)心脑血管病变者
E.妊娠畸形胎儿的妇女
[判断题]塑料填充剂开裂,甚至丧失与钢板的结合能力而脱落的原因是涂层太厚。( )
A.正确
B.错误
[单项选择]以下程序不用第三个变量实现将两个数进行对调的操作,划线处应为
main( )
{ int a,b;
scanf ("%d%d",&a,&b).;
cin>>a>>b;
cout<<"a="<<a<<"b="<<b;
a=a+b;b=a-b;a=______;
cout<<"a="<<a<<"b="<<b<<endl;
}
A. a+b
B. a-b
C. b*a
D. a/b
[单项选择]萨其马是具有( )独特风味的小吃。
A. 满族
B. 蒙古族
C. 回族
D. 维吾尔族
[简答题]PSI表是数字电视传输流的重要组成部分,请分别对PSI表中包含的PAT表、PMT表、CAT表、NIT表进行简单说明。
[多选题]安装接线图包括有“ ”。()
A.展开式接线图
B.盘面布置图
C.归总式接线图
D.盘后接线图
[单选题]HXD2(新八轴)电力机车牵引变流柜中间直流电路的储能环节由( )组成
A.支撑电容器
B.支撑电阻
C.支撑电感
D.支撑电抗器
[单选题]内墙板、内顶板的压条用螺栓紧固者,每根压条上至少点焊( )条螺栓或使用自锁螺母。
A.1
B.2
C.3
D.4
[判断题]矿井至少有2个能行人的通达地面的安全出口,各个出口之间的距离不得小于50米;
A.正确
B.错误
[单项选择]Had he worked harder, be ______the exams.
A. must have got through
B. would have got through
C. would get through
D. could get through
[判断题]照明灯具的金属外壳必须与PE线相连接。
A.正确
B.错误
[单选题]对ф219 7的无缝钢管,下列选项正确的是( )。
A. 219表示钢管内径为219mm,7表示钢管壁厚为7mm
B. 219表示钢管外径为219mm,7表示钢管壁厚为7mm
C. 219表示钢管的公称直径为219mm,7表示钢管公称压力为0.7MPa
D. 219表示钢管的公称压力为2.19MPa,7表示钢管壁厚为7mm
[单选题]老年人发生肠梗阻的原因最常见的是
A.肠套叠
B.肠粘连
C.肠管扭转
D.肠道肿瘤
[单项选择]保险证券投资三分法指的是()。
A. 1/3银行存款;1/3贷款;1/3不动产
B. 1/3银行存款;1/3股票;1/6贷款
C. 1/3债券;1/3股票;1/3不动产
D. 1/3银行存款;1/3债券、股票等有价证券;1/3不动产
[多选题]下列关于防误登误入误操作正确的是( ):
A.注意观察正在进行的高空作业状况及施工现场地面道路状况。
B.严禁工作人员在工作中移动、跨越或拆除遮栏。
C.作业前认真核对开关编号、线路名称、计量盘柜、电能表及互感器的实际位置,确定具体作业位置。与带电设备保持足够的安全距离,严禁误入带电间隔。
D.客户侧作业由客户人员带领熟悉整个作业场所,由客户陪同按指定路线进出工作现场。掌握带电部位情况。作业过程由客户人员配合协助。
E.不得在现场代替客户进行电气操作。
[单选题]业扩报装工作中,( )在非公司产权设备范围内进行现场作业,应填用现场作业工作卡。
A.营销服务人员
B.配电运维人员
C.工作负责人
D.专责监护人
[单选题]对于有限责任公司,其股权转让分为内部转让和( )两种类型。
A.外部转让
B.协议转让
C.做市转让
D.书面转让
[判断题]弓网故障停车后经检查确认受电弓、接触网外观无异常时,可恢复运行,本列恢复运行后,在供电部门未对接触网设备检查确认前,车站值班员(列车调度员)通知本线后续列车恢复运行,并通知首列司机观察接触网状态。
A.正确
B.错误