热门试题:
[单选题]ZPW-2000A的匹配变压器变比为（）。
A.1:1
B.9:1
C.3:1
D.6:1
[单选题]凸轮控制器采用反接制动方式进行长距离的重载下降,可能会造成（ ）。
A.电机烧毁
B.重物下坠
C.控制器损坏
D.接触器释放
[单项选择]
It should go without saying that the focus of UML is modeling. However, what that means, exactly, can be an open-ended question. (101) is a means to capture ideas, relationships, decisions, and requirements in a well-defined notation that can be applied to many different domains. Modeling not only means different things to different people, but also it can use different pieces of UML depending on what you are trying to convey. In general, a UML model is made up of one or more (102) . A diagram graphically represents things, and the relationships between these things. These (103) can be representations of real-world objects, pure software constructs, or a description of the behavior of some other objects. It is common for an individual thing to show up on multiple diagrams; each diagram represents a particular interest, or view, of the thing being modeled. UML 2.0 divides diagrams into two categories: structural diagrams and behavioral diagrams. (104)
A. things
B. pictures
C. languages
D. diagrams
[填空题]Industrial safety does not just happen. Companies ________ low accident rates plan their safety programs, work hard to organize them, and continue working to keep them ________ and active. When the work is well done, a ________ of accident-free operations is established ________ time lost due to injuries is kept at a minimum.
Successful safety programs may ______ greatly in the emphasis placed on certain aspects of the program. Some place great emphasis on mechanical guarding. Others stress safe work practices by ______ roles or regulations. ______ others depend on an emotional appeal to the worker. But, there are certain basic ideas that must be used in every program if maximum results are to be obtained.
There can be no question about the value of a safety program. From a financial standpoint alone, safety ________ . The fewer the injury ________ , the better the workman’’s insurance rate. This may mean the difference between operating at ________ or at a loss.
A. A．comes off
B．turns up
C．pays off
D．holds up
[单项选择]按照听觉信号规定，呼唤邻线列车停车紧急停车应采用（）。
A. 连续短声
B. 一长声
C. 二长声
D. 一长二短声
[多项选择]个人取得下列各项所得，必须自行申报纳税的有( )。
A. 取得一次性劳务报酬所得
B. 取得应税所得，没有扣缴义务的
C. 从中国境内两处或两处以上取得工资所得
D. 取得应税所得，扣缴义务人未按规定扣缴税款的
[判断题]手推调车时，必须在车辆两侧进行，并注意脚下有无障碍物。
A.正确
B.错误
[单项选择]根据《证券投资基金运作管理办法》有关规定，封闭式基金的利润分配，封闭式基金年度利润分配比例不得低于基金年度已实现利润的( )。
A. 60%
B. 70%
C. 80%
D. 90%
[判断题]参与大气光化学反应的有机化合物，或者根据规定的方法测量或核算确定的有机化合物，简称VOCs（）
A.正确
B.错误
[判断题]机动车排气抽测不得收取任何费用，抽测人员应当场向车辆驾驶人明示抽测结果。
[填空题]设有5双不同的鞋，今有5人，每人从中任取两只，事件A=“5个人取到的鞋恰好成双”的概率P(A)=______。
[判断题]从业人员发现职业病危害事故隐患应当及时报告。( )
A.正确
B.错误
[单选题]休克指数=收缩压/脉搏，休克指数为何值时可能意味着休克( )
A.<0.7
B.<0.8
C.<0.9
D.<1.0
E.<1.1
[判断题]井口附近或塌陷区内外的地表水体可能溃入井下时,采取措施后,可以开采煤层露头的防水煤柱。( )
A.正确
B.错误
[单选题]任何单位因工作需要租赁或临时使用房屋时,提前向( )提出申请。
A.航站楼管理部
B.飞行区管理部
C.运行指挥中心
D.安检护卫部
[单项选择]According to BT’s futurologist, Ian Pearson, these are among the developments scheduled for the first few decades of the new millennium (a period of 1,000 years ), when supercomputers will dramatically accelerate progress in all areas of life.
Pearson has (1) together the work of hundreds of researchers around the world to produce a (2) millennium technology calendar that gives the latest dates when we can expect hundreds of key (3) and discoveries to take place. Some of the biggest developments will be in medicine, including an (4) life expectancy and dozens of artificial organs (5) into use between now and 2040. Pearson also (6) a breakthrough in computer-human links. "By linking (7) to our nervous system, computers could pick up (8) we feel and, hopefully, simulate (9) too so that we can start to (10) full sensory environments, rather like the holidays in Total Recall
A. finally
B. ultimately
C. utterly
D. absolutely
[判断题]配电终端通信规约宜采用符合 DL/T634 标准的 102、103通信规约或符合 DL/T860标准（IEC 61850）的协议。（ ）
A.正确
B.错误
[单项选择]治疗遗尿肾气不足证的首选方剂为（）
A. 缩泉丸
B. 导赤散
C. 莵丝子散
D. 金匮肾气丸
E. 桑螵蛸散
[单选题]下列能在常温下自燃的物质是()。
A.磷
B.煤
C.柴油
[单项选择]CRH1A型动车组齿轮箱内齿轮的质量为（）kg。
A. 60
B. 65
C. 70
D. 75
[多项选择]以下（）是网络计划检查的主要内容。
A. 实际进度对各项工作之间逻辑关系的影响
B. 关键工作的进度及其时差利用情况
C. 资源状况
D. 成本状况
[不定项选择题]阳黄初起见表证者，其治法是（ ）。
A.清热利湿，佐以泻下
B.利湿化浊，佐以清热
C.清热解毒，凉营开窍
D.健脾和胃，温化寒湿
E.解表清热利湿
[判断题]轨道车在长大坡道上运行，应采用“先闯后爬，闯爬结合”的操作办法。
A.正确
B.错误
[单选题]接触网系统采用架空悬挂方式，地下区段和地面、高架区段分别采用（）架空接触网。
A.刚性，刚性
B.刚性，柔性
C.柔性，刚性
D.柔性，柔性
[填空题]阴极射线示波管由电子枪，偏转系统和（）三部分组成。
[多选题]旅客未上下车完毕，除（ ）作业外，不得进行旅客列车车底的连挂作业。
A.本务机车
B.调车机车
C.供水
D.补机摘挂
[判断题]( )巩膜从内至外分别是表层巩膜、巩膜实质层、棕黑板层。
A.正确
B.错误
[填空题]工程的电工鞋（）换一次；客房服务员的布鞋（）月换一次。
[判断题] 消防工作的任务就是“预防火灾和减少火灾危害,保护公民人身、公共财产和公民财产的安全,维护公共安全,保障社会主义现代化建设的顺利进行”。()
A.正确
B.错误
[单项选择]移动式电动工具及其开关板(箱)的电源线采用（）。
A. 双层塑料铜芯绝缘导线
B. 双股铜芯塑料软线
C. 铜芯橡皮绝缘护套或铜芯聚氯乙烯绝缘护套软线
D. 晋通电线
[多项选择]混凝土拌合物的流动性可采用哪些指标表示（）
A. 坍落度
B. 维勃稠度
C. 流动度
D. 扩展度
[多选题]扩张型货币政策措施包括()。
A.降低法定存款准备金率
B.提高再贴现率
C.降低再贴现率
D.在公开市场上卖出有价证券
E.扩张贷款规模
[单项选择]大型校园网外部一般采用双出口，一个接入到宽带ChinaNet，另外一个出口接入到（）。
A. 城域网
B. 接入网
C. CERNet
D. Inernet
[单选题]在体循环和肺循环中，基本相同的是（ ）（1.59分）
A.收缩压
B.舒张压
C.脉压
D.外周阻力
E.心搏出量
[单项选择]儿童语言发育中能独站片刻的年龄是（）
A. 5～6个月
B. 10～11个月
C. 7～8个月
D. 9～10个月
E. 10～12个月
