热门试题:
[判断题]各单位应根据生产工艺和粉尘、毒物特性，采取防尘防毒通风措施控制其扩散，使工作场所有害物质浓度达到《工作场所有害因素职业接触限值》（GB.Z2—2002）要求
[单选题]临时补修指对轨道几何尺寸超过（）容许偏差管理值或轨道设备伤损状态影响其正常使用的处所进行临时性修理，以保证行车安全和舒适。
A.A、周期检修
B. B、经常保养
C. C、综合维修
D. D、临时补修
[判断题]发行人申请发行可转换公司债券, 应由董事会做出决议。
[单选题]在某个单元格内输入公式后,如果单元格显示内容为#DI对/0!,表示( )。
A. 参数引用不正确
B. 公式引用了无效的单元格
C. 单元格宽度太小
D. 公式除数为零
[多项选择]某中法合资经营企业的外方投资方是法国的甲公司，甲公司以专利技术出资，以下说法正确的是：
A. 该技术必须能显著改进现有产品的性能、质量或者显著节约原材料、燃料或者动力
B. 甲公司应提供专利证书复印件，作为合营企业合同的附件
C. 双方应聘请法定验资机构对该技术进行评估作价
D. 应当报审批机关批准
[单选题]轨道车使用单位应铺设轨道车专用线，并设置配有检查坑、保暖设施的车库，检查坑的长度不小于10 m,以利于保养检修作业。
A. 对
B. 错
[单选题]心肺复苏法不包括( )。 ( )
A. 输血
B. 口对口(鼻)人工呼吸
C. 胸外接压(人工循环)
[判断题]因钢材强度降低幅度大于混泥土,柱子配筋率越高,耐火性越差,在火灾中的稳定性越差。 ( )( 难 )
A.正确
B.错误
[判断题]反思的目的具有建设性。（ ）
A.正确
B.错误
[单项选择]利多卡因作用是（）
A. 膜稳定作用为主的药物
B. 兴奋迷走神经
C. 抑制钙内流
D. 延长动作电位时间
E. 促进钾外流
[单项选择]通常由社会工作者主动到流浪乞讨人员经常出现和活动频繁的地方，后与他们保持紧密接触，透过提供辅导、资料及转介服务，使这些流浪乞讨人员，尤其是流浪儿童得到妥善安置，发挥其潜能并预防不良影响的产生。有些地方在外展工作中发放联系卡或优惠卡，鼓励目标人群主动寻求救助和咨询，以及所需要的其他信息和服务等。这指的是流浪乞讨人员救助工作方法中的( )。
A. 个案工作
B. 小组工作
C. 机构服务
D. 外展服务
[填空题]网络操作系统中常用的网络资源共享有：硬盘共享、打印机共享和（）。
[判断题]抢修人员到达故障现场时限应符合城区范围不超过90min。
A.正确
B.错误
[单项选择]凿岩机使用结束后应（）放置。
A. 落地
B. 摆正
C. 上置
D. 倒立
[单选题]高频开关电源发生（ ）时，必须发出音响及灯光告警信号（ ）。
A.输入发生停电
B.保护电路动作
C.直流输出开关跳闸
D.A、B、C都是
[填空题]便利店应定期检查商品的（）和保质期，按先进先出原则陈列；易碎、体积大、分量重、低毛利的商品宜陈列在货架（），较小的商品宜陈列于（）。
[简答题]2010年8月27日，西铭矿42008工作面在安装期间进行了坑透，资料显示有三处异常区，11月3日工作面推进100米时，在E1异常区揭露一个47*31米的陷落柱，根据集团公司文件要求，回采工作面揭露陷落柱未预报就是事故。请分析事故原因和今后采取措施。
[填空题]
Directions:
In the following text, some sentences have been removed. For questions 41--45, choose the most suitable one from the list A--G to fit into each of the numbered blank. There are two extra choices, which do not fit in any of the gaps. Mark your answers on ANSWER SHEET 1.
If good intentions and good ideas were all it took to save the deteriorating atmosphere, the planet’s fragile layer of air would be as good as fixed. The two great dangers threatening the blanket of gases that nurtures and protects life on earth-global warming and the thinning ozone layer--have been identified. Better yet, scientists and policymakers have come up with effective though expensive countermeasures.
(2)
41._________________.
(3) CFCs-first fingered as dangerous in the 1970s by Sherwood Rowland and Mario M01ina, two of this year’s Nobel-prizewinning chemists--have been widely used for refrigeration and other purposes.
(4) If u
[多选题]作业人员接到列车接近通知后,应( )。
A.及时下道避车
B.邻线来车接近,本线下道避车,不得在本线与邻线间避车
C.邻线线间距大于6.5米,邻线来车可不下道,车速大于160km/h时,必须停止一切作业
D.本线来车预告,及时下道避车
[填空题]
Marriage is still a popular social practice in America, but divorce is becoming almost as "popular". Most Americans get married, but at the same time, fifty percent of their marriages end up in divorce. However, four out of five divorced people do not stay single. They get married for the second time to new partners. Sociologists tell us that in the 21st century, most American people will marry three or four times in one lifetime. Alvin Toffler, an American sociologist, calls this new social form social marriages. In his book Future Shock, Toffler gives many reasons for this change in American marriage. In modem society, people’s lives don’t stay the same for very long. Americans frequently change their jobs, their homes, and their circle of friends. So the person who was a good husband or wife ten years ago is sometimes not as good ten years later. After being married for some years, a husband or wife can feel that their lives have become very differe
[单选题]末班车前一列车驶离车站后 ，应通过广播等方式告知乘客末班车信息。换乘站应根据列车运行计划、 ，及时关闭换乘通道 ，防止乘客误入。
A.本站末班车开出时间
B.乘客换乘所需时间
C.终点站末班车开出时间
D.换乘站末班车开出时间
[单选题](____)的结果计算：提前报废年数均值+延长使用年限均值。
A. 预测使用年限修正值
B. 基于质量分析的年均LCC
C. 年均电能损耗成本
D. 年均修理成本
[填空题]铁路行车房舍内和办理行车工作的有关人员均应备有钟表，钟表的时刻应与（ ）的时钟校对。
[单选题]成都地铁受电弓的额定工作电压为()
A.DC750
B.AC750
C.DC1500
D.AC1500
[单选题]发现旅客违章携带危险品乘车，按该件全部重量加倍补收乘车站至下车站四类包裹运费，危险品交（ ）处理。
A.前方停车站
B.前方大站
C.三等以上车站
D.乘警
[单项选择]下颌第一乳磨牙的特点是
A. 牙体形态与第一恒磨牙相似
B. 牙颈嵴特突，冠根分明
C. 颊面四边形，远中缘略长于近中缘
D. 近中缘略长于远中缘
E. 根柱较长，根分叉小
[判断题]钢丝绳的种类较多，施工现场起重作业一般使用圆股钢丝绳。
A.正确
B.错误
[填空题]The Securities Exchange
When people buy stock, most do so through one of the securities exchanges or marketplaces for stocks and bonds. These marketplaces are commonly called "stock exchanges" and they provide a meeting place for both the buyer and seller. To understand why such securities or stock exchanges are important in the purchase and sale of stocks and bonds, consider what would happen if you, and everyone who wanted do buy (or sell) securities, had to find your own buyer (or seller). If the market is going down the only way to recover your investment is to hang on to the stock and wait for it to come back. More importantly, how would you find out who is interested in selling that stock to you (or buying it from you) In order to handle this marketing problem, securities exchanges sprung up. These exchanges are nothing more than locations where stocks are bought and sold. And since there is a common meeting place for there (or send their representatives). The result i
[填空题]Most parent, I suppose, have had the experience of reading a bedtime story to their 3 and they must have 2 how difficult it is to write a good children’s book. Either the author has aimed too 3 , so that the children can follow what is in his (or more often, her) story, 4 the story seems to be talking to the readers.
The best children’s books are neither very difficult nor very simple, and satisfy both the children who 5 the story and the adult who 6 it. Unfortunately, there are in fact 7 books like this, so the problem of finding the right bedtime story is not 8 to solve. This may be why many of books regarded as works of children’s literature were in fact written for 9 Alice’s Adventure in Wonderland is perhaps the most obvious of this.
Children, left for themselves, often 10 the worst possible interest in literature. Just leave a child in bookshop or 11 and he will more willingly choose the books
[单选题]因商户对单据、数据及凭证保管不当或遗失而造成的经济损失由（ ）承担。
A.特约商户
B.持卡人
C.收单机构
D.发卡机构
[简答题]由于温度的改变，物体会发生长度、面积或体积变化的现象，此现象称为热膨胀，请问理想气体每升高1℃体积变为原来的几倍？
[单项选择]在同一房间内同时有几组散热器时，几组散热器安装高度、距墙尺寸应保持一致，距离地面高度按设计要求，设计无要求时一般不低于( )mm。
A. 100
B. 120
C. 130
D. 150
[单选题]BA022柱塞泵在吸入过程中,应使液缸内的最小吸入压力始终( )液体在同温度下的汽化压力。
A.大于
B.等于
C.小于
D.约等于
[单项选择]心脏有一结构叫卵圆窝，在什么解剖结构上（）
A. 在左房的左心耳上
B. 在房间隔上
C. 在肺动脉上
D. 在主动脉上
E. 在室间隔上
[单选题]以下哪一层网络设备负责为接入层提供数据的汇聚、传输、管理和分发等处理功能
A.汇聚层网络设备
B.核心层网络设备
C.接入层网络设备
D.以上均不是
[单选题]挖掘机行驶时，铲斗应位于机械的正前方并离地面（ ）左右。
A.1m
B.1.2m
C.0.8m
D.0.5m
E.略
F.略
[单项选择]抢救一氧化碳中毒的特效疗法是（）
A. 迅速脱离中毒现场
B. 高压氧
C. 血液净化
D. 呼吸支持
E. 使用特效解毒剂
[单选题]《广深港高铁跨境列车旅客运输管理规则》中规定内地铁路运输企业受理涉及港铁公司的旅客投诉时，统一交（）转送港铁公司处理。
A.总公司
B.各集团公司
C.广铁集团
D.石岗调度中心
