热门试题:
[判断题]螺旋机构可以把回转运动变成直线运动。（）
[填空题]“宫”的古义是（），如“父母闻之，清宫除道”。
[单选题]洒水器利用自身水压进行自动换向回转，洒水器旋转速度取决于水轮上承受( )的大小
A.水压、流量
B.水压
C.流量
D.重量
[判断题]旅客列车的尾部标志应使用电灯。
A.正确
B.错误
[多项选择]Addison病临床表现正确的是（）
A. 多见于女性
B. 血压降低
C. 纳差、体重减轻
D. 皮肤粘膜色素沉着
E. 皮肤出现紫纹、痤疮
[单选题]燃烧 1 吨标准煤热值的原煤,其排放的二氧化碳分别是燃烧等热值石油、天然气的( )倍、( )倍。
A.1.3;1.7
B.0.6;0.7
C.3.0;3.6
D.1.6;2.2
[单选题]起重设备需经检验检测机构检验合格，并在（）登记。
A.本单位安全监督管理部门
B.上级安全监督管理部门
C.地方安全监督管理部门
D.特种设备安全监督管理部门
[单选题]被许可人以欺骗、贿赂等不正当手段取得行政许可的，行政机关应当依法给予行政处罚；取得的行政许可属于直接关系公共安全、人身健康、生命财产安全事项的，申请人在（）内不得再次申请该行政许可。
A.A一年
B.B两年
C.C三年
D.D四年
[单选题]How did the dogs react when exposed to two new names in the first condition?
A.Quick to learn.
B.At a loss.
C.In a panic.
D.Slow to understand.
[单选题] 年 12 月 26 日,中国人民解放军海军舰艇编队赴()海域执行护航任务。这是中国海军第一次在远海保护重要运输线安全。
A.亚丁湾、索马里
B.波斯湾
C.墨西哥湾
D.几内亚湾
[单选题]线桥大、中修及大型机械作业的施工天窗不应少于（ ）。
A.60 min
B.90 min
C.120 min
D.180 min
[判断题]熔断器额定电流必须大于或等于所装熔体的额定电流。
A.正确
B.错误
[单项选择] When British voters go to the polls during General Elections to decide who will govern them they usually have a choice of at least three candidates who will each represent one of the three main political parties in Britain today.
The Labour Party is the party of the left, the Tory or Conservative Party represents the right, and between the two, with policies and opinions of its own, is the smaller Liberal Party.
Britain is divided into over 600 political units known as "constituencies", each with its own candidates who stand for Parliament hoping to be elected (or re-elected) with large majorities. The cities and large towns are themselves divided into constituencies and they also choose the Members of Parliament (MPs) who will represent their views in the Houses of Parliament at Westminster. Here, in the House, the government of the day led by its Prime Minister and his Cabinet — a team of specially selected minister — carries out its duties of governing the country. Var
A. call public meetings and creat a carnival atmosphere
B. win over the voters
C. talk to people in streets and distribute leaflets
D. show off with their knowledge
[填空题]一般来说，网络操作系统可以分为两类：一类是面向任务型NOS：另一类是 【14】 NOS。
[单选题]根据危险货物特殊性质，在调车作业和运输编组隔离、车辆技术检查、整备、检修等技术作业中需采取特殊防护事项，要有明确规定，并应（）通知有关单位和人员。
A.书面
B.口头
C.立即
D.及时
[单项选择]治疗AIDS并发的卡氏肺孢子虫肺炎选用（）
A. 喷他脒
B. 螺旋霉素
C. 更昔洛韦
D. 氟康唑
E. 拉米夫定
[单项选择]What should Tom do to improve his situation
A. Go to an eye doctor.
B. Improve his computer skills.
C. Take more frequent breaks.
D. Drink more coffe
[填空题]When television first began to expand, very few of the people who had become famous as radio commentators were able to be effective on television. Some of the difficulties they experienced when were trying to 【B1】 themselves to the new medium were technical. When working on radio, for example, they had become 【B2】 to seeing on behalf of the listener. This 【B3】 of seeing for others means that the commentator has to be very good at talking. Above all, he has to be able to 【B4】 a continuous sequence of visual images which 【B5】 meaning to the sounds which the listener hears. In the 【B6】 of television, however, the commentator sees everything with the viewer.
His role, therefore, is completely different. He is there to make 【B7】 that the viewer does not miss some point of interest, to help him focus on particular things, and to 【B8】 the images on the television screen. Unlike his radio colleague, he must know the 【B9】 of silence and how to use it at those moments 【B10】 the pictures spe
A. A．add
B．apply
C．affect
D．reflect
[判断题]安全生产教育、培训，应坚持“统一规划，归口管理，分级实施，分类指导，教考分离”的原则。
A.正确
B.错误
[判断题]抽油泵工作正常时由于设备振动而引起上、下负荷线有波纹。同时有些图形因泵挂较深，冲数较大产生的惯性力影响，使示功图沿着顺时针方向，产生偏转，图形与基线有一夹角。
A.正确
B.错误
[多项选择]病历摘要：患者男性，24岁。从三楼坠下，脑外伤、下颌骨粉碎性骨折。急行下颌骨固定，术后，在ICU病房观察治疗。3日后，感腹痛、穿刺腹腔有淤血。查体：一般情况差、神志恍惚、头部肿大、口不能张开、心率120次／min、律齐、两肺呼吸音正常、血压130／80mmHg。B超提示：肝脏右叶脏面破裂，再急行剖腹探查。术中需重视（）。
A. 血压的变化
B. 呼吸道的通畅
C. 液体的输入
D. 心脏功能监测
E. 大便情况
F. 全身关节活动情况
[单项选择]数据库(DB)、数据库系统(DBS)、数据库管理系统(DBMS)3者之间的关系是【 】。
A. DBS包括DB和DBMS
B. DBMS包括DB和DBS
C. DB包括DBS 和 DBMS
D. DBS就是DB,也就是DBMS
[单选题]电容器组禁止()。( )
A. 带电合闸
B. 带电荷合闸
C. 停电合闸
[单项选择]It is not always easy to get rid ______ bad habits.
A. with
B. off
C. for
D. of
[判断题]风险管理部门负责密切关注其他各类风险的情况，在各类风险相互转化、蔓延时发布风险提示。
A.正确
B.错误
[简答题]《客运站车醉酒旅客处置办法》（客管函〔2017〕40号）规定，车站遇有醉酒旅客时，应如何处置？
[单项选择]企业做（）时，IC卡一定要插入读卡器中。
A. 开票
B. 发票退回
C. 读入新发票
D. ABC都是
[单选题]退出数学公式编辑环境,只要单击()区就可以.
A.公式外的文本区
B.数学公式工具栏
C.数学公式内容区
D.任意
[判断题]当设施不使用时，应停靠牢固，有可靠的固定装置，并确保固定装置的技术状态和强度满足当地最大风荷载要求，梁端应设有可靠的拦挡设施。《安规》第4.0.8条
A.正确
B.错误
[单选题]请示具有要求上级机关答复批准的性质，要得到上级机关给予理想批复，写好()是关键。
A.请示标题
B.请示缘由
C.请示事项
D.结束语
[多选题]在二次系统上工作，检修中遇有以下（ ）情况应填用二次工作安全措施票。
A.在运行设备的二次回路上进行拆、接线工作
B.在对检修设备执行隔离措施时，需拆断、短接和恢复同运行设备有联系的一次回路工作
C.在对检修设备执行隔离措施时，需拆断、短接和恢复同运行设备有联系的二次回路工作
D.在继电保护装置中改变装置原有定值的工作
[单项选择]PR间期固定，P波后均有QRS波， PR间期＞0.20秒见于
A. 一度房室传导阻滞
B. 二度Ⅰ型房室传导阻滞
C. 二度Ⅱ型房室传导阻滞
D. 三度房室传导阻滞
E. 室内传导阻滞
[单选题]在困难条件下，可适当加大顺坡坡度，但允许速度大于120km/h的线路不应大于1/(8υmax)；其他线路不应大于1/(7υmax)，且不得大于（）。【《普速铁路线路修理规则》第3.1.4条】
A.0.5‰
B.1‰
C.2‰
D.3‰
[判断题]一级汽车加油站、一级汽车液化石油气加气站和一级汽车加油加气合建站不应建在城市建成区内。
A.正确
B.错误
[判断题]海关对在报关员记分考核中记分达30分的报关员，可以处以暂停其6个月以内从事报关业务的处罚。 ( )
