热门试题:
[单选题]胸外按压要以均匀速度进行，每分钟（）左右。
A.50次
B.60次
C.70次
D.80次
[单项选择]所谓知识管理是以（）为主要资源，进行知识的获取、处理、共享、利用和创新的过程。
A. 档案
B. 信息
C. 情报
D. 知识
[单项选择]Harriet Beecher Stowe had poured her heart into her anti-slavery book," Uncle Tom’s Cabin". But neither she nor her first publisher thought it would be a big success. (78) The publisher was so doubtful that he wanted her to split the publishing costs with him, and all she hoped was that it would make enough money for her to buy a new silk dress.
But when the first 5,000 copies were printed in 1852, they sold out in two days. In a year the book had sold 300,000 copies in the United States and 150,000 in England. For a while it outsold (销得比…多) every book in the world, except the Bible.
Within six months of its release, a play was made from the book which ran 350 performances in New York and remained America’ s most popular play for 80 years.
(79) It might appear that" Uncle Tom’ s Cabin" was universally popular, but this was certainly not true. Many people during those pre-Civil War days—particularly defenders of the slavery system-condemned it as false propa
A. she had lived for 18 years in a state where slavery was legal
B. she had suffered quite a lot under the slavery system
C. she had witnessed what happened under the slavery system
D. she had read a lot about the slavery system
[单选题]航向信标的频率是111.95MHz,则用哪种示波器可以测量CSB载波的波形。（ ）
A.60MHz带宽示波器
B.100MHz带宽示波器
C.200MHz带宽示波器
D.50MHz带宽示波器
[多选题]导管堵塞表现为( )。
A.滴速减慢或滴注停止
B.无法冲管
C.无法抽回血
D.滴速加快
[单项选择]损伤后出现全身性反应的主要环节是（）
A. 神经内分泌系统效应
B. 蛋白分解障碍
C. 呼吸循环系统功能障碍
D. 肾障碍
E. 体温反应
[多选题]第 424 题, 电力法中规定，危害供电、用电安全或者（____），由电力管理部门责令改正，给予警告；情节严重或者拒绝改正的，可以中止供电，可以并处5万元以下的罚款。
A. 扰乱供电
B. 用电秩序
C. 人身伤害
D. 设备烧损
[单选题]电子托收缴费方式主要是采用托收无承付的方式通过银行来实现缴费，该种方式主要用于( )。
A.居民客户
B.低压非居民客户
C.企事业单位
D.高压客户
[判断题]使任一总线回路上不少于4个火灾探测器同时处于火灾报警状态，检查区域型火灾报警控制器的负载功能。
A.正确
B.错误
[判断题]绘画是运用点、线、面、色彩、空间等艺术语言，在三维空间上创造艺术形象。
[单选题]通讯指挥车、抢险救援消防车、排烟消防车均属于( )消防车。
A.灭火
B.专勤
C.举高
D.后援
[单选题]组装209T转向架摇枕安全吊时,应保证与弹簧托梁有( )mm的距离。
A.20-50
B.20-60
C.20-70
D.20-80
[不定项选择题]共用题干
Computer Plug-in
1.Life on the Internet can be enriched if you don't restrict yourself to just written words and still pictures.Even if you are a newcomer to the Internet world,you've probably heard about multi-media on-line一listening to radio,watching animations and videos,even playing in three-dimensional space.Sound and movement make information come alive.
2.In order to experience that,some special pieces of software called plug-ins are necessary. The term"plug-in"refers to a small,add-on piece of software which extends the capabilities of your web browser,like Netscape Navigator or Microsoft Explorer,turning your computer into a radio or TV.
3.When you open a web page with a file requiring a plug-in which you don't have.you will usually receive a message asking if you want to get it by downloading it and installing it into your computer. Most of the time,the installation will be automatic.
4.Occasionally,you come across a downloaded file which needs to be decompressed or unzipped before installation.Once installed,plug-ins run automatically,without you having to do anything.
5.Many multimedia controls still need to be obtained from the developer but are installed automatically.
6.Shockwave is a typical example of it. All you need to do is go to the Macromedia site and click on the link to install the ActiveX control.The rest happens automatically.The next time you go to a"Shocked"website,the Shockwave control loads and plays the movie.
7.Most plug-ins and controls can be downloaded for free on the Internet,although not all will work with every system.Some of them,for instance,only work with Windows 95.
Many multimedia controls still need to be_______from the developer but are installed automatically.
A.for free.
B.freely.
C.ability.
D.automatically.
E.Obtained.
F.capability.
[多选题] 采取电话许可的工作票，工作所需安全措施可由（ ）自行布置，工作结束后应汇报（ ）。
A.现场人员
B.工作人员
C.运维负责人
D.运行值班工作许可人
[多选题]对于自稳能力很差的围岩，应采取超前加固措施。特殊地质构造区、应力复杂地段，可采取()、()、喷浆、锚索梁、()、()等措施加强支护，加强支护段要延伸至正常地段10米以上。
A.A、减小支护间排距
B.B、加长骨架支护材料长度
C.C、组合锚索
D.D、架棚
[判断题]发生透水事故时，应沿来上班的路线撤退。
A.正确
B.错误
[判断题]《铁路旅客运输服务质量规范》（铁总运〔2016〕247号）规定：折返标准中要求：洗脸间、厕所面镜洁净，洗脸(手)池、便器无污物、无异味。电茶炉沥水盘洁净。
A.正确
B.错误
[单选题]超长列车禁止编挂（ ）的机车和车辆、运行中有其他特殊要求的车辆。
A.限速
B.自动制动机临时发生故障
C.检修
D.回送
[单选题]ABK006 4 1 3
用于测量流量的导压管线,阀门组回路中,平衡阀泄漏时,仪表指示( )。
A.偏低
B.偏高
C.超量程
D.零下
[单选题]连墙件、剪刀撑、加固杆件、立杆偏差对架体整体（）有着重要影响。
A.要求
B.指标
C.强度
D.刚度
[判断题]杆塔基础附近开挖时，应在开工前检查杆塔稳定性。若开挖影响杆塔的稳定性时，应在开挖的反方向加装临时拉线，开挖基坑完毕后拆除临时拉线。
A.正确
B.错误
[判断题]侦查人员为了查明案件事实，可依法对犯罪嫌疑人进行询问。( )
[判断题]转炉溅渣护炉的钢渣可以用水粹法进行处理。( )
A.正确
B.错误
[判断题]目前我国所有少数民族的民族成分和民族名称都通过民族识别工作得到了正式确认。
[多选题]市县公司依托信息化支撑平台，每月筛选具有能效服务潜力的客户，现场提供电能能效账单、综合能效诊断报告的解读、案例推介等服务，积极引导客户开展（）等市场化服务，拓展能效服务市场。
A.A、电能替代；
B.综合能源服务；
C.需求响应；
D.电能监测
[简答题]基于无线通信的移动闭塞信号系统—CBTC的子系统包括哪些？
[判断题] 在绝缘接头处打磨钢轨肥边时,应防止短路( )
A.正确
B.错误
[判断题]对有触电危险、检修（施工）复杂、容易发生事故的工作，应增设专责监护人，并确定其监护的人员和工作范围。
A.正确
B.错误
[单选题] 电容器的无功输出功率与电容器的电容( )。
A.成反比
B. 成正比
C. 成比例
D. 不成比例
[判断题]在溢流告警信号中天然气侵入井内后,使环空钻井液平均密度下降,钻具所受浮力减小而悬重减小。 ( )
A.正确
B.错误
[单选题]现代啤酒的发源地是＿＿。
A.法国
B.德国
C.美国
D.中国
[判断题]公共航空运输企业的分公司应当设立相应的航空安保机构，而基地等分支机构则仅需配备人员，无需设置机构。
A.正确
B.错误
[判断题]任何法律关系的发生、变更和消灭，都要有法律事实的存在。（）
[单选题]新八轴HXD2型电力机车闸瓦厚度（ ）mm，磨耗限值（ ）mm。
A.60，60
B.60，50
C.50，50
D.50，60
[单选题]机械化驼峰的制动工具以( )制动为主。
A.车辆减速器
B.铁鞋和人力制动机
C.铁鞋
D.人力制动机
[单项选择]
FMC的CDU上显示INSUFFICIENT FUEL警告信息时，表示：（）.
A. 发动机推力不足
B. 用光燃油前，飞机达不到目的地
C. 飞机到达目的地时，燃油将少于900KG
D. APU没有油
