热门试题:
[单项选择]阴道自净作用主要得益于（）。
A. 乳酸杆菌将单糖转化为乳酸，抑制其他病原菌生长
B. 巨噬细胞吞噬病原体
C. 淋巴细胞的免疫预防功能
D. 阴道局部补体、细胞因子等体液免疫防御功能
E. 棒状杆菌产生抗微生物因子可抑制或杀灭其他细菌
[单选题]没有附加剥夺政治权利的犯罪分子在服刑期间()。
A.没有选举权
B.停止行使选举权
C.可以行使选举权
D.经有关机关批准可以行使选举权
[单项选择]
男性，30岁。因受凉后出现畏寒、发热，咯铁锈色痰，伴左侧胸痛。胸片左下肺大片密度高阴影。
可能的诊断是（）
A. 金黄色葡萄球菌肺炎
B. 肺炎链球菌肺炎
C. 结核性胸膜炎
D. 肺癌合并阻塞性肺炎
E. 肺脓肿
[多选题]如果发生旅游者在境外滞留不归的事件，领队应当及时向（ ）报告。
A.当地警察机构
B.地接社
C. 组团社
D.我国驻所在国使、领馆
E.该国驻华使、领馆
[单选题]按照《山西省洗(选)煤厂及配煤型煤加工企业安全生产标准化基本要求及评分方法》,厂区内工作现场要符合安全防护相关规定:当平台、通道及作业场所距离基准面高度小于2m时,防护栏高度不得小于( )。
A.500mm
B.900mm
C.1050mm
[判断题]无效投诉是指顾客由于主观原因不满意企业所提供的服务质量或因不可抗拒因素影响企业服务质量,而导致顾客不满引起的投诉。( )
A.正确
B.错误
[单选题]对相间连杆采用转动、链条传动设计的三相机械联动（）开展改造，在从动相同时安装分/合闸指示器。
A.隔离开关
B.接地开关
C.断路器
D.快速接地开关
[单项选择]通常情况下鼻腔最狭窄的部位是（）
A. 前鼻孔
B. 后鼻孔
C. 鼻内孔
D. 下鼻甲前端
E. 中鼻道
[简答题]
线路甲刀闸传动时都受哪些电气元件闭锁？
[简答题] A-A-A-003 3 3 2
尊客爱货是指铁路职工对自身服务对象的()道德情感。
[单选题]下列关于工程建设静态投资或动态投资的表述中正确的是（）。
A.动态投资是静态投资的计算基础
B.动态投资中包括建设期贷款利息
C.静态投资中包括投资方向调节税
D.静态投资中包括涨价预备费
[单项选择]女，19岁。因发热伴头痛、烦躁2天，于1月28日入院。查体：T BP 130/80 mm Hg，精神差，神志清楚，全身散在瘀点、瘀斑，颈抵抗阳性，Kernig征及Babinski征均阳性。实验室检查：腰穿脑脊液压力240mmH2O, 外观混浊，WBC 1200 x 106/L, 蛋白质1.5g/L, 糖2.5mmol/L, 氯化物100mmol/L。本病蛛网膜切片的病例改变不包括（）
A. 血管扩张充血
B. 可见大量中性粒细胞
C. 可见大量淋巴细胞核单核细胞
D. 明显水肿
E. 可见纤维素
[单选题]改革开放是中国人民和中华民族发展史上一次伟大革命，正是这个伟大革命推动了中国特色社会主义事业的_____。( )
A.伟大进步
B.伟大飞跃
C.伟大探索
D.伟大实践
[多选题]以下哪些属于严重服务事件A类（）
A.电梯轿厢滞留乘客（60分钟以上）
B.列车在终点站请客不完全造成乘客进入非运营区段
C.擅自调取或监控不力导致视频监控录像和电话录音被传播
D.对车站客流未做好预判预想，造成突发大客流无应对措施
[单项选择]膝关节损伤三连征是指（）
A. 髌骨骨折、交叉韧带损伤、半月板损伤
B. 外侧副韧带损伤、半月板损伤、内侧副韧带损伤
C. 髌韧带损伤、内侧副韧带损伤、半月板损伤
D. 交叉韧带损伤、髌韧带损伤、髌骨骨折
E. 内侧副韧带损伤、交叉韧带损伤、半月板损伤
[判断题]并联电路中，总电流等于各电阻上电流之和。( )
A.正确
B.错误
[单选题] 起重5~300吨的YQ型手动液压千斤顶起重高度为( )
A.180~220毫米
B.120~160毫米
C.140~180毫米
D.160~180毫米
[单选题]患者鼻腔出血时最好采取何种卧位（）
A.侧卧位
B.头低脚高位
C.平卧位
D.坐位或半卧位
E.膝胸位
[单选题]雌二醇的化学性质是：（2.0分）
A.胺类
B.肽类
C.类固醇
D.蛋白质
E.脂肪酸衍生物
[单选题]在其他站线，线路轨道静态几何尺寸容许偏差管理值中，三角坑(缓和曲线）的经常保养标准为(??? )mm。
A.4
B.7
C.8
D.3
[单选题]高锰钢整铸辙叉心宽40mm断面处，辙叉心垂直磨耗（不含翼轨加高部分），50kg/m及以下钢轨，在正线上超过( )mm时，应判断为重伤。
A.6
B.8
C.10
D.12
[填空题]人力制动机制动拉杆链的链环裂纹时须焊修，焊修后须进行( )的拉力试验。
[单选题]在 HTML 页面上编写 Javascript 代码时，应编写在（）标签中间。
A.. 和
B..
C. 和
D. 和
[单选题]列车的乘务工作由（）统一领导。
A.司机
B.车辆乘务人员
C.乘警
D.列车长
[单项选择]黄芩具有而黄柏不具有的功效是（）。
A. 燥湿
B. 泻火
C. 解毒
D. 清肺热
E. 退虚热
[判断题]事故紧急抢修只能填用事故紧急抢修单。（ ）
A.正确
B.错误
[单选题]
燃油中含有较高的________是引起气缸套产生磨粒磨损的重要原因。(264020:第02-02章 柴油机主要部件及检修)
A.钒钠含量
B.铝硅含量
C.硫含量
D.添加剂含量
[判断题]消防泵组出现水泵启动频繁原因是气压罐内气体减少。
A.正确
B.错误
[单项选择]大便秘结，噫气频作，胸胁痞满，腹中胀痛，苔薄腻，脉弦。诊断为
A. 热秘
B. 冷秘
C. 气秘
D. 气虚便秘
[多选题]在电气设备上工作，保证安全的组织措施有( )。
A.现场勘察制度
B.工作票制度
C.工作许可制度
D.停电、验电、接地
[多选题]公共娱乐场所按规定应设置的一般消防安全设施、设备是
A.灭火器
B.报警电话
C.火灾事故应急照明灯
D.灯光疏散指示标志
E.低压电气漏电保护报警器
[判断题]从建党到改革开放之初，党的历史上的重大是非问题，前两个历史决议基本都解决了，其基本论述和结论至今仍然是适用的。（ ）
A.正确
B.错误
[单项选择]Small, pink and very ugly. Hardly the qualities of a star, but they describe the deformed mouse that was the media darling at a recent science exhibition in Beijing. With a complex tissue structure in the shape of a human ear grafted on to its back, the rosy rodent was a stunning symbol of the serious strides China is making in the field of biotechnology.
China is fast applying the latest life-science techniques learned from the West to aggressively pursue genome research. It’s establishing its own centers of technical excellence to build a scientific base to compete directly with the United States and Europe. With a plentiful supply of smart young scientists at home and lots of interest abroad biotechnology is on the brink of a boom in China. And in the view of foreign scientists, Beijing is playing a clever hand, maximizing the opportunities open to them.
For the moment, the cooperation exists mostly with Europe and the U. S.. But Asia’s other biotech leaders, Japan, Singap
A. it has made extraordinary contributions to the world
B. it has large supplies of talents and advanced research centers
C. its research focuses on the benefits of all Asian countries
D. its cooperation with the U. S. and Europe proves profitable
[填空题]
A. Thinks Positively.
B. Knows That Principles Are More Important than Rules.
C. Possesses a Sense of Humor.
D. Communicates Facts That Are Hard to Take.
E. Cares for Others and Their Well-being.
F. Has Integrity and Authenticity.
G. Order Is Important.
Much has been written about the tasks of leaders and the skills required for leadership. There has been considerable debate about the question of whether leaders are born or made. Likely behind these arguments is the difference between personal characteristics that some people have at birth and skills that one can acquire through education and practice. But the important personal characteristics, while they may seem innate in some people, can be cultivated, and indeed, require cultivation in all of us. For unless they are strengthened through conscious attention and cultivation, they can, for example, easily be forgotten or ignored in the craziness of activity often associate
[填空题]Mental models guide our perceptions and help us make predictions. Most of our mental models are built 1 the structure of our nervous systems, and we are usually 2 of them.
We 3 the world not according to direct knowledge of reality, but according to mental models, which people often mistake 4 reality. For example, we all share a built-in mental model that the world is continuous, 5 our eyes tell us differently. This built-in mental model tells us what to "see" in a part of the eye that doesn’’t 6 see anything. This "blind spot" model causes us to 7 made-up information (a continuation of surrounding patterns ) and 8 that if we look at a previously hidden spot, it will look like its 9 .
Not all mental models are built in; some we learn or 10 . For example, most people believe that the automobiles driving down the street will not turn 11 the sidewalk and hit pedestrians. If we believe 12 , we would act like 13 squirrels, always stopping to look around and proceeding 14 no automobile
A. A． necessities
B． infinities
C． complexities
D． perplexities
[简答题]阅读《季氏将伐颛臾》中的一段文字，回答下列问题。
季氏将伐颛臾。冉有、季路见于孔于曰：“季氏将有事于颇臾．”孔子曰：“求!无乃尔是过与夫颛臾，昔者先王以为东蒙主，且在邦域之中矣。是社稷之臣也，何以伐为”
请将“何以伐为”译成现代汉语。
[单选题]常见于幼儿时期的脑电波节律是
A.α波
B.β波
C.θ波
D.δ波
E.α波阻断
