热门试题:
[单选题]分析台区所在位置、台区表计采集是否正常,如无信号将导致台区线损()。
A.高损
B.负损
C.线损突变
D.不可算
[单项选择]女性，20岁。以"干咳、发热、乏力、盗汗3天"来诊。查体：皮肤巩膜无黄染，浅表淋巴结无肿大，心肺腹查体异常。为确定诊断下列检查最有意义的是（）
A. 血常规
B. 尿常规
C. 血沉
D. PPD抗体
E. 胸部X线平片
[填空题]
[听力原文] 11-15
Mr. and Mrs. Jones had no car of their own when they first came to the U. S. Therefore they went to work by bus every day. On one weekend, they wanted to go downtown by subway to go shopping. Then they walked to one building named "Subway". The signboard of "Subway" was very noticeable and they could see it when the bus passed it every day. At that time they did not know it was a "store", for they always believed it was a subway stop. When they arrived there they walked around the store for half an hour, but they still could not find the entrance to go down.
Finally through making an inquiry, they came to know that "Subway" is a famous store of sandwiches. "Sub" is a short form of "submarine sandwich", which is a long thin loaf of bread filled with salad and cold meat or cheese.
Since then, whenever they pass by the "Subway", they can’t help laughing.
Why did they
[单选题]分泌盐皮质激素的细胞是
A.球状带细胞
B.束状带细胞
C.网状带细胞
D.肾小球旁细胞
[单项选择]在国际贸易中采用的寄售方式属于（）
A. 凭说明买卖
B. 凭等级买卖
C. 凭规格买卖
D. 凭实物买卖
[判断题]100采油树总阀门的作用是开关井以及在总阀门以外的设备维修时切断井底压力。
A.正确
B.错误
[单选题](B737ng)液压油箱增压使油箱内气压正常是多少PSI
A.30-40
B.45-50
C.50-60
D.60-70
[简答题]02-22 06:27:31.697 17609 20374 I
[单选题]下列控制噪声危害的主要技术措施不正确的是
A.消除噪声源
B.加强宣传教育
C.接噪人员佩戴防噪用品
[单选题] 车辆新技术、新设备、新规章、新工艺投入应用前，以及生产组织、作业方式变化前，应对货车运用有关人员进行必要的( )和安全教育。
A.适应性培训
B.资格性培训
C.轮训
D.合格性培训
[填空题]在距接触网带电部位 的导线、支柱、房顶及其它设施上施工时，接触网可
不停电，但须有专业人员或经专门训练的人员在场监护。
[判断题]脐动脉生后与相连的闭锁的腹下动脉形成腹下韧带。
[填空题] 甲醛又名 （ ）,是无色,有强烈 （ ）体,（ ）溶于水。
[判断题]组合电器发生故障气体外逸时，若有人被外逸气体侵袭，应立即使用心肺复苏法进行抢救。
A.正确
B.错误
[单项选择]下列形态中，属于反转形态的是( )。
A. 三重顶
B. 三角形
C. 矩形
D. 旗形
[单项选择]迸行性肌营养不食的下列哪项表述是不正确的（）
A. 假肥大型男女患病机会均等
B. 假肥大型的血清肌酶CK增高最为显著
C. 面肩肱型早期症状为面部表情肌无力和肌萎缩
D. 肢带型可见脊稚前凸、鸭步和翼状肩胛
E. 眼咽型可见对称性上睑下垂、眼球运动障碍和吞咽困难
[单选题] 房间内任一点至最近疏散门的距离不应大于( )m
A.10
B.15
C.20
D.25
[单选题]当120 km/h<允许速度vmax≤160 km/h时,作业人员下道避车时距钢轨头部外侧距
离不小于( )。
A.2 m
B.2.5 m
C.3.0 m
D.3.5 m
[单选题]铵梯炸药中含量最多的成分是( )。
A.硝酸铵
B.梯恩梯
C.木粉
D.食盐
[多选题]开展安全检查，应当落实（）基本要求：
A.周密筹划部署，做到全覆盖、零容忍、严执纪、重实效
B.精心组织实施，做到不打折扣、不留死角、不走过场
C.压实检查责任，做到谁检查谁签字谁负责
D.督促落实整改，做到任务到人、措施到位、除患务尽
[判断题]判断题( )安全栅栏是防止操作人员进入设备运行区域,保障他们安全的围栏。
A.正确
B.错误
[多选题] 闲置物资入库时须向物资部门移交相关资料,包括但不限于:()修试记录(若有)、再利用项目及计划出库时间等
A. 闲置物资清册
B. 鉴定报告及审批表
C. 图纸及技术文件
D. 闲置物资完好可用说明
[单项选择]预应力筋孔道的保护层应符合下列规定：在框架梁中，从孔壁算起的混凝土最小保护层厚度，梁底为（）。
A. 30mm
B. 40mm
C. 50mm
D. 60mm
[单项选择]
In 1915 Einstein made a trip to Gottingen to give some lectures at the invitation of the mathematical physicist David Hilbert. He was particularly eager -- too eager, it would turn (62) -- to explain all the intricacies of relativity to him. The visit was a triumph, and he said to a friend excitedly, "I was able to (63) Hilbert of the general theory of relativity."
(64) all of Einstein’s personal turmoil (焦躁) at the time, a new scientific anxiety was about to (65) . He was struggling to find the right equations that would (66) his new concept of gravity, (67) that would define how objects move (68) space and how space is curved by objects. By the end of the summer, he (69) the mathematical approach he had been (70) for almost three years was flawed. And now there was a (71) pressure. Einstein discovered to his (72) that Hilbert had taken what he had learned from Einstein’
A. successive
B. extensive
C. progressive
D. repetitive
[多选题]气管异物的并发症主要有: ( )
A.气胸
B.声音嘶哑
C.纵隔或皮下气肿
D.心力衰竭
E.感染
[单选题]作业风险应评估定级，不得将高风险作业定级为低风险。
A.A-正确
B.B-错误
[单选题]制动钳体缸筒圆柱度误差应不大于（）mm。
A.0.01
B.0.02
C.0.03
D.0.04
[填空题]埋设电缆前，施工单位必须与工务段联系，明确 和责任，并签订协议后方可施工。
[判断题]与机车、车辆有直接互相作用的设备，在使用中不得超过规定的侵入范围。（ ）
A.正确
B.错误
[单项选择]在下图所示双代号时标网络计划中，如果C、E、H三项工作因共用一台施工机械而必须顺序施工，则该施工机械在现场的最小闲置时间为( )周。
A. 4
B. 3
C. 2
D. 1
[单选题]CW－2型转向架空气弹簧充气后，高度应为（ ）。
A.185～200mm
B.200±5）mm
C.150±3）mm
D.180±5）mm
[单选题] 锅炉大修时化学监督水冷壁割管检查,割管根数不少于2根,其中一根为(),另一根按检验方案规定的部位割管,每根长度不少于1.5mm。
A. 蠕胀管
B. 加强管
C. 膨胀管
D. 监视管
[单选题]依据ICD-10的分类标准，属于神经症性障碍的疾病是
A.性心理障碍
B.神经性厌食
C.躯体化障碍
D.创伤后应激障碍
E.心境障碍
[判断题]两个以上人民法院都有管辖权的案件，原告只能选择被告所在地的人民法院提起诉讼。
A.正确
B.错误
[单选题]落地式操作平台拆除应由上而下逐层进行,严禁( )作业,连墙件应随施工进度进度逐层拆除.
A.由木工
B.由非架子工
C.从上而下
D.上下同时
[多项选择]含挥发油的药材分布下列哪些科中（）。
A. 伞形科
B. 芸香科
C. 唇形科
D. 菊科
E. 百部科
[单选题]正常成年女性血红蛋白含量
A.110-150g/ L
B.120-150g/ L
C.130-150g/ L
D.140-150g/ L
E.以上均不是
[单项选择]脑压过低引起头痛的机制是
A. 牵张颅内静脉窦
B. 脑膜炎
C. 脑部缺血
D. 脑部充血
E. 脑膜刺激征
