热门试题:
[多选题]过热器和再热器支撑结构的作用为( )。
A.保持管屏间的相对位置并增加屏的刚性，防止运行中管屏的摆动，减少热偏差
B.保证蛇形管圈平面的平整并能保持平行连接的各蛇形管之间的横向节距与纵向节距
C.能支撑过热器和再热器的重量
D.使蒸汽管道按一定方向膨胀，保证锅炉安全运行。
[判断题]《修规》第3.9.16条，固定型辙叉接头冻结应采用高强度螺栓，扭矩应保持1100～1400N•m。
A.正确
B.错误
[判断题]跌开式熔断器拉闸操作时,应先拉开下风的边相,再拉中间相,最后拉开上风的边相,以防造成相间短路。
A.正确
B.错误
[判断题]钻具下完接方钻杆后，先开泵循环正常再转入正常作业。
A.正确
B.错误
[单选题]SWOT分析是班组设定目标的基本方法之一。其中S是指( )。
A.优势
B.劣势
C.机会
D.威胁
[单选题] 国防的主体为( )
A.军队
B.政府
C.社会力量
D.国家
[单项选择]男，45岁。上腹部剧烈疼痛3小时，随即蔓延至全腹，里持续性，查体：板状腹，全腹压痛及反跳痛，肠鸣音消失，对明确诊断最有价值的检查是（）。
A. 直肠指检
B. 诊断性腹腔穿刺
C. 腹部立位X线平片
D. 腹部B超
E. 血常规
[单选题]EAK30K电子板LED灯H10在没有车轮影响时的正确状态是（）
A.绿灯常亮
B.灭
C.绿灯闪烁
D.红灯常亮
[判断题]钻杆比油管强度大,因而钻杆螺纹不用像油管螺纹那样精心保护。
A.正确
B.错误
[单项选择]A pretty pot plant might make an unemotional work space feel more personal. But new research has revealed that office plants do so much more as they can help staff be more creative and productive, which could ultimately【C1】______promotion. At work,【C2】______houseplants have been proven to aid concentration, increase productivity and【C3】______staff well-being by 47 per cent, according to a study undertaken at this year"s Chelsea Flower Show. The results showed that【C4】______staff to make design decisions in a workspace【C5】______with office plants can increase creativity by 45 per cent and improve productivity by 38 per cent. The researchers believe their findings demonstrate that plants are not unnecessary【C6】______of business environments and add【C7】______to other studies, which indicate plants increase psychological comfort and business【C8】______. Psychologist Dr Craig Knight said: "We have previously shown that designing your own workspace improves health, happiness and productivity. It was time to go a step【C9】______and see whether the principle can also【C10】______creativity and indeed whether the very act of designing the workspace can be used effectively. The results indicate that plants, in a well-designed and personalized office environment can increase business effectiveness【C11】______improved staff productivity and creativity. This gives company managers a real【C12】______to share control of office space with their staff and create meaningful, less【C13】______and more grown up space." Plants have previously been proven to have【C14】______effects in hospitals, where patients with pot plants close by said they experienced less pain, anxiety and tiredness,【C15】______houses with plant-filled rooms【C16】______between 50 and 60 per cent fewer bacteria than other rooms【C17】______plants. Monique Kemperman from The Joy of Plants, said: "Scientific studies have demonstrated that we can see a【C18】______improvement in air quality alone, just by【C19】______a few common houseplants around a room." The organization wants to encourage everyone in the UK to add a houseplant to their home and office and claims it will make a "【C20】______" impact to people"s quality of life on a daily basis.【C6】
A. functions
B. products
C. means
D. elements
[不定项选择题]小儿营养性缺铁性贫血应主要补充（ ）。
A.钾盐
B.叶酸
C.铁剂
D.钙剂
E.蛋白质
[单项选择]治疗急性非淋巴细胞白血病最常应用的化疗药物是
A. 柔红霉素+阿糖胞苷
B. 长春新碱+强的松+左旋门冬酰胺+环磷酰胺
C. 苯丁酸氮芥
D. 干扰素+羟基脲
E. 环孢菌素
[单选题]在进入密闭空间前用人单位至少要安排（ ）名监护者在密闭空间外持续进行监护。
A.1
B.2
C.3
[单项选择]国内卵巢交界性肿瘤最常见的病理类型是（）。
A. 无性细胞瘤
B. 子宫内膜样癌
C. 黏液性癌
D. 浆液性癌
E. 内胚窦瘤
[单选题]燃油在气缸内燃烧不充分是由于喷油器( )所造成。
A.调整失败
B.调整压力过低
C.调整压力过高
[多选题]一般来说，常用的统计图主要包括()。
A.趋势图
B.K线图
C.气泡图
D.散点图
E.饼状图
[单项选择]患者，男，68岁，右上肺中央型肺癌，拟全身麻醉下行开胸探查术，气管导管应首选（）。
A. 左双腔管
B. White管
C. 单腔支气管导管
D. 单腔气管导管
E. 右双腔管
[多项选择]参展商服务信息包括（）。
A. 观众信息
B. 新闻发布会
C. 赞助计划
D. 参展商手册
[判断题]《治安管理处罚法》规定，违反治安管理的行为对他人造成损害的，一律由行为人依法承担民事责任。
A.正确
B.错误
[判断题]津滨轻轨列车电制动包括再生制动和电阻制动，两者可自动配合，电阻制动优先再生制动。
A.正确
B.错误
[判断题]在质量担保期内，车辆由于交通事故造成的损坏，汽车特约经销商也应该积极给予索赔。
A.正确
B.错误
[单选题]《旅客列车给水工作管理办法》(铁总运〔2014〕224号)中规定,在给水站停时（ ）的列车，应全列辆辆满水。
A.8分钟及以上
B.6～8分钟
C.4～5分钟
D.3分钟及以下
[单选题]甲状腺功能亢进患者术后24小时以内最危急的情况是（ ）。
A.严重呼吸困难
B.一侧喉返神经损伤
C.一侧喉上神经损伤
D.四肢麻木，抽搐
E.甲状腺危象
[单项选择]龈上菌斑的特点为
A. 可动菌多
B. 需氧或兼性厌氧菌为主
C. 螺旋体多
D. 刷牙不容易去掉
E. 主要与牙周炎形成有关
[单选题]【单选】
#5锅炉再热汽温度低限()℃。
A.585
B.580
C.590
D.595
[多选题]下面哪些物品必须达到灭菌处理水平:( )
A.椎间盘镜
B.关节镜
C.腹腔镜
D.胃镜
E.体温计
[单选题]气出入受阻，突然昏厥的病理变化为（ ）
A.气滞
B.气虚
C.气逆
D.气闭
[判断题]在超过2。5‰坡度的线路上,不得无动力停留机车车辆。
A.正确
B.错误
[单选题]安规规定：机车乘务员日常技术业务学习每月不少于2次，每次不少于（ ）学时。
A.1
B.2
C.3
D.4
[多选题]变压器进场，叙述正确的是（ ）。
A.A-进场前必须报送专项就位方案及人员资质证书
B.B-主变压器刚从车上顶至滑轨上时，应停止顶动，检查滑轨、垫木等是否平稳牢靠，确认无误后方可继续顶动
C.C-顶推过程中任何人不得在变压器前进范围内停留或走动
D.D-千斤顶顶升和下降过程中变压器本体与基础间必须采取垫层保护
E.略
F.略
G.略
[多选题]下列关于减少机械偶发故障的措施，正确的有（）
A.定人定机
B.合理使用
C.遵章操作
D.加强维护保养
E.搞好状态检査
[不定项选择题]A.设法减浅麻醉，待反射恢复后再行拔管
A.待病人完全清醒后，采取侧卧头低位下拔管
B.先置入喉镜，明视下慢慢拔管
C.充分供氧，待喉肌松弛后再拔管
D.气管造口后再拔管
E.巨大甲状腺癌切除术病人( )
[单项选择]
Hercules
Once upon a time there was a great Greek hero, Hercules. He was taller and stronger than anyone you have ever seen. On his shoulder he carried a club and in his hand he held a bow (弓). He was known as the hero of a hundred adventures.
Hercules served a king. The king was afraid of him. So again and again he sent him on difficult tasks. One morning the king sent for him and told him to fetch three golden apples for him from the garden of the Singing Maidens (歌女). But no one knew where the garden was.
So Hercules went away. He walked the whole day and the next day and the next. He walked for months before he saw mountains far in the distance one fine morning. One of the mountains was in the shape of a man, with long, long legs and arms and huge shoulders and a huge head. He was holding up the sky. Hercules knew it was Atlas, the Mountain God. So he asked him for help.
Atlas answered, "My he
A. Right
B. Wrong
C. Not mentioned
[单选题]教育法是统治阶级在教育方面的体现，并最终取决于统治阶级的物质生活条件。
A.行为
B.信念
C.意志
D.价值
[单选题]女性，30岁，腰痛、尿频、尿急、血压:21.3/13.3kPa（160/100mmHg），尿蛋白（+），沉渣红细胞8～10/HP，白细胞15～20/HP。肾盂造影示又肾缩小，肾盏扩张，最可能的诊断是( )
A.慢性肾炎
B.慢性肾盂肾炎
C.多囊肾
D.肾结核
E.肾盂积液
[单选题]发生性质严重的一般D类作业事故（旅客列车作业事故，D1、D2、D3事故），负有全部或主要责任的部门、车间增加预警分值80分，直接下发( )《安全预警通知书》
A.蓝色
B.黄色
C.橙色
D.红色
