热门试题:
[单项选择]在Visual FoxPro中，关于视图的不正确的描述是( )。
A. 通过视图可以对表进行查询
B. 通过视图可以对表进行更新
C. 视图就是一个虚表
D. 视图就是一个数据库表
[单选题] (___)可以根据实际载荷调节地板面高度。(1.0分)
A...均衡阀
B...高度阀
C...称重阀
D...复式排风阀
[单选题]事故发生后,事故现场有关人员应当( )向本单位负责人报告。
A.立即
B.1小时内
C.2小时内
D.3小时内
[多项选择]蛛网膜下隙出血的并发症有（）
A. 心脏受损征
B. 消化道出血
C. 急性肺水肿
D. 脑积水
E. 继发性脑动脉痉挛
[填空题] Rumor is the most 【B1】 way of spreading stories---by passing them on from mouth 【B2】 month. But civilized countries in normal times have better 【B3】 of news than rumor. They have radio, television, and newspapers. In times of stress and 【B4】 , 【B5】 , rumor 【B6】 and becomes widespread. At such 【B7】 the different kinds of news are in 【B8】 ,the press, television, and radio versus the grapevine.
Especially 【B9】 rumors spread when war requires censorship (审查, 检查 ) on many important matters. The customary news sources no longer 【B10】 enough information. Since the people cannot learn 【B11】 legitimate(合法的，正规的) channels all 【B12】 they are anxious to learn, they pick up "news" 【B13】 they can and when this 【B14】 , rumor thrives.
Rumors are often repeated 【B15】 by those who do not believe the tales. There is a fascination about them. The reason is 【B16】 the cleverly designed rumor gives expression to something deep in the hearts of the victims--the fears,
A. A．wherever
B．where
C．whatever
D．what
[单项选择]父亲：女儿
A. 叔叔：阿姨
B. 儿子：女婿
C. 姨父：姨妈
D. 外祖父：母亲
[单选题]有限空间现场（）应具有特种作业资格操作证书。
A.作业人员
B.监护人
C.许可人
D.作业负责人
[单选题]进入有爆炸危险的场所,应尽可能保持( ),依托堤坝、土坡、坑凹、承重墙、墙角、柱及大型物件等地形、地物作为掩护
A.高姿状态
B.兴奋状态
C.低姿状态
D.站立状态
[单项选择]黏度过大，燃油在柴油机管路和滤清器内的流动阻力加大，使喷雾恶化、燃烧不良，排气冒（）。
A. 灰烟
B. 蓝烟
C. 白烟
D. 黑烟
[判断题]接近锁闭在信号开放后接近区段有车占用时构成，当不占用接近区段时，信号开放后可立即解锁。（ ）
A.正确
B.错误
[判断题] 当三极管的集电极电流大于它的最大允许电流ICM时,该管必被击穿。
A.正确
B.错误
[单项选择]调节阀定位器投用时要注意气源阀开，定位器旋钮（）即投用。
A. 拉出
B. 推入
[多选题]凡在正线、辅助线、车厂线及深铁运营管辖范围内生产作业过程中由于地铁自身原因造成（）的情况，均构成运营事故事件。
A.人员伤亡
B.设备损坏
C.经济损失
D.中断行车
E.火灾或其它危及运营安全
[判断题]（ ）随车机械师在车辆间连接状态检查时，风管连接良好、无漏风，折角塞门处在开位。
A.正确
B.错误
[填空题]
Directions: In this section, you will hear
a passage three times. When the passage is read for the first time, you should
listen carefully for its general idea. When the passage is read for the second
time, you are required to fill in the blanks numbered from 36 to 43 with the
exact words you have just heard. For blanks numbered from 44 to 46you are
required to fill in the missing information. For these blanks, you can either
use the exact words you have just heard or write down the main points in your
own words. Finally, when the passage is read for the third time, you should
check what you have written.
Dogs were first domesticated from wolves at least 17,000 years
ago, but perhaps as early as 150,000 years ago based upon recent genetic fossil
and DNA evidence. In this time, the dog has developed into hundreds of breeds
with a great degree of {{U}} (36) {{/U}}. For example, heights at the
{{U}} (37) {{/U}} ra
[单项选择]预算定额是编制概算定额的基础，是以（ ）为对象编制的定额。
A. 同一性质的施工过程
B. 建筑物各个分部分项工程
C. 扩大的分部分分项工程
D. 整个建筑物和构筑物
[单项选择]出票人签发支票时，应在付款银行存有不低于票面金额的存款。如果存款低于票面金额，这种支票被称为( )。
A. 空头支票
B. 划线支票
C. 现金支票
D. 转账支票
[单选题]下列情况可以跟踪出站调车的有( )。PX67
A.夜间或昼间天气不良时
B.站间距离在5km及以下的区间
C.自动闭塞区间第一闭塞空闲
[单选题]对于新安装的和停用三个月以上的电动机和启动设备，应用500V绝缘电阻表测量其绝缘电阻。若绝缘电阻小 于( )MΩ，则必须进行烘干处理。
A.0.5
B.1
C.1.5
D.2
[填空题]中国特色社会主义事业总体布局是“五位一体”、战略布局是（ ）。
[单项选择]羊水过多是指妊娠的任何时间羊水量超过（）mL。
A. 1000
B. 1500
C. 2000
D. 2500
E. 3000
[判断题]在营业线施工，施工单位必须与工务设备管理单位签订（ ）。
A.正确
B.错误
[判断题]判断3.大跨度厂房火灾扑救安全管控要按照“一主一备”要求管控紧急撤离通道,确保内攻人员能安全撤离。
A.正确
B.错误
[判断题]分布式电源现场查勘时须核实设备运行名称，严禁工作人员擅自开启计量箱（柜）门或操作客户电气设备。
A.正确
B.错误
[判断题]在接触网支柱及接触网带电部分5m范围以内的金属结构均必须接地。
A.正确
B.错误
[多选题]降雨与烟叶等级质量有密切关系, 在年降雨量( )。
A.600-800mm的地区,适宜烟叶生长
B.200-400mm的地区,适宜烟叶生长
C.过多,特别是后期降雨,使烟叶不宜烘烤,易出现副组和过薄的烟叶
D.水分过少,影响生长,甚至造成假熟烟叶
[判断题]旅游列车使用宿营车内铺位时，按实际铺位计费。
A.正确
B.错误
[判断题]检修工作需其他调度机构配合布置安全措施时，应由工作许可人向相应调度机构履行申请手续，并确认相关安全措施已完成后，方可办理工作许可手续。
A.正确
B.错误
[多选题]客户走访的内容有包括什么？
A.礼节拜访
B.信息收集
C.宣传业务
D.寻找商机
[单项选择]
Working on a newspaper is a very busy job. Many newspapers (21) each day, and they have to (22) people with all the latest news. The editor is in (23) of the paper. Reporters (24) news stories and write them. The paper is printed so that it is (25) sale every morning.
People (26) up the editor when something interesting (27) . The editor sends a reporter and a photographer to find out (28) .
The reporter phones the newspaper to tell the story. A typist types it (29) . Next, the editor decides how much "space" to give the story. Important stories (30) most of a page. The stories are keyed (输入) into a computer and (31) print.
The first copies are called "proofs (校样) ". Another editor (32) mistakes. The stories are all (33) in the paper. Then the paper is printed.
The newspapers are (34) by lorry, plane or rail. (35) are taken a
A. printed
B. print
C. is printing
D. are printed
[单选题]给水站的水井按列车的最大编组设置,间隔<___>米。( )
A.25
B.50
C.30
D.20
[判断题]听觉告警主要包括语音告警、文字告警和音调告警。（ ）
A.正确
B.错误
[单选题]最常见的外阴癌是( )
A.鳞状细胞癌
B.恶性黑色素瘤
C.外阴上皮内瘤样病变
D.基底细胞癌
E.前庭大腺癌
[多选题]进入尽头线时，应严格控制速度。机车与线路终端（车档）应有（ ）的安全距离，遇特殊情况必须近于这个安全距离时，须执行一度停车，再以不超过（ ）的速度前移。
A.5m
B.10m
C.5km/h
D.10km/h
[判断题]接触网绝缘部件防雾(污)闪管理的目的是采取有效措施,保证接触网绝缘部件的电气强度和机械强度满足设备正常供电和安全运行。( )(职工)(应知应会-西铁供[2014]176,第1条.)
A.正确
B.错误
