热门试题:
[填空题]回转窑产生的高温烟气在( )主引风机的( )的作用下,首先进入( ),大颗粒粉尘沉降后汇集在底部,再由斗式提升机送回煅前缓冲仓。未燃烧的( )和( )进入燃烧室进行焚烧处理;
[单项选择]浅埋暗挖法中,适用于小跨度,连续使用可扩成大跨度的是()。
A. 全断面法
B. 正台阶环向开挖法
C. 单侧壁导坑法
D. 中洞法
[判断题]对于乘客满意服务而赠送的现金、礼品等财物,员工可以接受。
A.正确
B.错误
[单选题]挂点装置的人员载重量为()kg。
A.50
B.60
C.70
[判断题]工程验收测试中发现遗留问题须填写《工程备忘录》,确定解决日期,双方备案
A.正确
B.错误
[单选题] 安全技术防范是一种由( ).延迟.快速反应相结合的安全防范体系。
A.保安
B.报警
C.探测
D.监控
[填空题]捣固镐夹持宽度调整机构主要由气缸、( )和销轴组成。
[多项选择]民事法律关系由( )所构成。
A. 形式
B. 主体
C. 客体
D. 内容
E. 主张
[单选题]在负反馈放大点路中,当要求放大电路的输入组抗大,输出阻抗小时,应选用反馈类型
A.串联电压负反馈
B.串联电流负反馈
C.并联电压负反馈
D.并联电流负反馈
[单选题]无缝道岔( )以接近设计锁定轨温范围的中间温度为宜。
A.平均轨温
B.最高轨温
C.锁定轨温
D.最低轨温
[判断题]在有轨道电路区段施工时.单轨小车.吊轨小车手柄及撬棍等,均应安装绝缘套管。
A.正确
B.错误
[单项选择]买家拍下商品不付款卖家应该如何处理()?
A. 买家拍下后72小时内未付款,系统会自动关闭交易。
B. 卖家自行关闭交易
C. 联系支付宝客服
D. 依旧发货
[单选题]列车运营图的水平线要素表示( )。
A.A、时间
B.B、车站
C.C、各个车站中心线所在位置
D.D、列车运行轨迹线
[单选题]“炉跟机”控制方式的特点是()。
A.主汽压变化平稳
B.负荷变化平稳
C.负荷变化快,适应性好
D.锅炉运行稳定
[单选题]154、事故车辆现场安全布控参照( )执行。要按照“面对来车方向、由远及近”的原则摆放警示标志,确保预警标志、现场警示标志(移动声光报警设备)以及反光锥、车辆拦阻装置等安全标志按规定摆放。
A.A、《公路养护安全作业规程》(JTG H30-2015)
B.B、《道路交通标志和标线》 (GB 5768-2009)
C.C、《道路交通事故现场安全防护规范第1部分:高速公路》(GA/T 1044.1—2012)
D.D、《公路交通安全设施施工技术规范》(JTGF71-2006)
[单项选择]Good wildlife management includes all of the following EXCEPT ______.
A. carrying on a campaign against the terrible destruction of wild creatures
B. preserving and improving the habitat
C. regulating wildlife growth through hunting and fishing
D. increasing wildlife population by artificial means
[单选题]E308L-G焊丝直径为1.2mm焊接位置平对接时焊接电流为( )
A.180-220A
B.180-231A
C.180-232A
D.180-233A
[单项选择]采石场上部需要剥离的,剥离工作面应当超前于开采工作面()以上。
A. 5米
B. 4米
C. 3米
D. 6米
[单项选择]在工资管理系统中,每月录入的考勤记录、产量记录、奖金、工资变动单可以形成( )。
A. 变动数据文件
B. 基本变动数据文件
C. 基本固定数据文件
D. 固定数据文件
[多项选择]STIR序列的特点包括()
A. 有效控制脂肪的信号
B. 采用短的TI
C. 第一个脉冲为180°脉冲
D. 减少运动伪影、化学位移伪影
E. 增加增强扫描的效果
[单项选择]毛果芸香碱对眼的调节作用是()
A. 睫状肌松弛,悬韧带拉紧,晶状体变扁平
B. 睫状肌松弛,悬韧带放松,晶状体变凸
C. 睫状肌收缩,悬韧带拉紧,晶状体变凸
D. 睫状肌收缩,悬韧带拉紧,晶状体变扁平
E. 睫状肌收缩,悬韧带放松,晶状体变凸
[判断题]评价一台电话交换机的话务能力一般有两个因素:话务量和BHCA( )
A.正确
B.错误
[判断题]从事接触职业病危害作业的人员,在离岗时应当进行职业健康检查,否则用人单位不得解除或者终止与其订立的劳动合同。
A.正确
B.错误
[判断题] 带头做到“两个维护”,是加强中央和国家机关党的建设的首要任务。
A.正确
B.错误
[多选题]商品包装有()作用。
A.保护商品
B.便利流通
C.促进销售
D.方便消费
[单选题]消防人员在有毒区域进行侦察.排险等行动时,应以()为单位,不可单独行动。
A.2~3人
B.分队
C.班
D.小组
[多选题]对申报者在某项工作中的参与角色的认定,必须以该成果(或项目、专业工作)的()等正式且直接相关的材料中的成员名单为依据。
A. 立项书
B. 结题书
C. 鉴定意见
[单项选择](Not having passed) the law exam, the state (refused) (to issue) him a license to (practice).
A. Not having passed
B. refused
C. to issue
D. practice
[单项选择]
Most plants can make their own food from sunlight, (1) some have discovered that stealing is an easier way to live, Thousands of plant species get by (2) photosynthesizing, and over 400 of these species seem to live by pilfering sugars from an underground (3) of fungi(真菌). But in (4) a handful of these plants has this modus operandi been traced to a relatively obscure fungus. To find out how (5) are (6) , mycologist Martin Bidartondo of the University of California at Berkeley and his team looked in their roots. What they found were (7) of a common type of fungus, so (8) that it is found in nearly 70 percent of all plants. The presence of this common fungus in these plants not only (9) at how they survive, says Bidartondo, but also suggests that many ordinary plants might prosper from a little looting, too.
Plants have (10) relations to get what they need to survive. Normal, (11) plants can make
A. realm
B. net
C. relation
D. web
[单选题]52、智慧大脑平台应急调度功能共分为(___)节点。
A.A、7个
B.B、8个
C.C、9个
D.D、12个
[判断题]下井油管要检查其有无弯曲、腐蚀、裂缝、孔洞和螺纹损坏。
A.正确
B.错误
[单选题]通过肌腔隙的结构是 ( )
A.股神经
B.股动脉
C.股静脉
D.闭孔神经
E.股管
[单项选择]The British are among the world’s greatest readers of newspapers. It’s been the custom ever since most people could read.
But why do people want to do nothing but read while traveling to work in a train
Perhaps they are tired, or else they sit behind a newspaper to shut themselves off from the world. All the same, most men would notice a woman struggling with a heavy case and jump up to help her and a pretty girl sitting opposite wouldn’t escape their attention, either. In this case a paper is useful because they can have a good look at her from behind it without her knowing. Perhaps they do not all do nothing but read. There are stories of girls and young men who met in the rush hour, got married, and went on traveling on the same train, hand in hand.
People do all things while traveling to work by train EXCEPT______.
A. getting married
B. reading newspaper
C. talking with their friends
D. getting the attention of people of the opposite sex
[判断题]世界卫生组织、食品法典委员会以及国际海事组织都是国际上的著名标准化组织。
[简答题]铁路交通事故具须哪些情形之一,未构成较大以上事故的,为一般A类事故?
[多选题]双周检作业时,检查供风模块的安装状态正确的是( )
A.模块紧固螺栓齐全、防松线无错位;
B.减震装置无变形,无损坏;
C.连接电缆无破损、无干涉;
D.线插外壳及支座无裂纹。
[单选题] 焊接电源AX--300型中的KAK表示( )。
A. 弧焊变压器
B. 旋转式直流弧焊机
C. 焊接整流器
D. 变频弧焊机