热门试题:
[单选题]甲、乙、丙、丁四人，其中每三个人的岁数之和分别是55、58、62、65。这四个人中年龄最小的是( )。
A.7岁
B.10岁
C.15岁
D.18岁
[判断题]当C25混凝土采用边长为150mm尺寸试件时，折算系数应采用1.05。（ ）（GB/T50107—2010《混凝土强度检验评定标准》4.3.2）
A.正确
B.错误
[单项选择]In order to work here the foreigner needs a work permit, which must be applied (31) by his prospective employer. The problem here is that the Department of the Employment has the right to (32) or refuse these permits, and there is little that can be (33) about it.
It would be extremely unwise (34) a foreign visitor to work without a permit, since anyone doing so is (35) to immediate deportation. There are some (36) to this rule, moot notably people from the Common Market countries, who are (37) to work without permits, and who are often given (38) residence permits of up to five years. Some (39) people, such as doctors, foreign journalists, (40) and others, can work without permits.
The problem with the Act is not just that some of its rules are unfair but (41) it is administered, and the people who administer it.
An immigrations official has the power to stop a visito
A. the way
B. that
C. the time
D. what
[填空题] For many women choosing whether to work or not to work outside their home is a luxury: They must work to survive. Others face a hard decision.
Perhaps the easiest choice has to do with (36)__________. One husband said, "Marge and I decided after careful consideration that for her to go back to work at this moment was an (37)__________we couldn’’t afford." With two preschool children, it soon became clear in their figuring that with babysitters, (38)__________, and increased taxes, rather than having more money, they might (39)__________end up with less.
Economic factors are usually the first to be (40)__________, but they are not the most important. The most important aspects of the decision have to do with the (41)__________needs of each member of the family. It is in this area that husbands and wives find themselves having to face many confusing and (42)__________feelings.
There are many women who find that homemaking is boring or who feel (43)__________if they hav
[单项选择]Until men invented ways of staying underwater for more than a few minutes, the wonders of the world below the surface of the sea were almost unknown. The main problem, of course, lies in air. How could air be provided to swimmers below the surface of the sea Pictures made about 2,900 years ago in Asia show men swimming under the surface with air bags tied to their bodies. A pipe from the bag carried air into the swimmer’s mouth. But little progress was achieved in the invention of diving devices until about 1490, when the famous Italian painter, Leonardo da Vinci, designed a complete diving suit.
In 1680, an Italian professor invented a large air bag with a glass window to be worn over the diver’s head. To "clean" the air a breathing pipe went from the air bag, through another bag to remove moisture, and then again to the large air bag. The plan did not work, but it gave later inventors the idea of moving air around in diving devices.
In 1819, a German, Augustus Siebe, develo
[单选题]下列各项中，能够用于协调企业所有者与企业债权人矛盾的方法是（ ）
A.解聘
B.接收
C.激励
D.停止借款
[单选题]同步牵引发电机中定子绕组的作用是产生（ ）。
A.电流
B.电动势
C.动能
D.机械能
[单选题]SWP温度表显示“OH”时，说明热电偶回路（）。
A.短路
B.断路
C.接反
D.正常
[单项选择]汽车厂由于业务拓展，新建一厂房，这属于（）。
A. 营业支出
B. 混合成本
C. 资本支出
D. 普通支出
[单选题] 《铁路运输安全保护条例》规定：铁路运输企业应当按照国家有关规定，建立、健全（），明确应急指挥、救援等事项。
A.本企业的应急预案
B.各项应急预案
C.应急处理机制
D.应急、救援方案
[单选题]“在东方，来自苏联和东欧盟国的威胁日益严重；在西方，来自美国的经济渗透和政治控制不断加强。欧洲政治家们清醒地意识到，如此下去，欧洲将不再是欧洲人的欧洲”，于是，欧洲开始采取措施改变上述局面。这些措施始于()。
A.煤钢共同体
B.欧洲共同体
C.欧洲关税同盟
D.欧洲统一大市场
[单选题]以下（ ）不是区间应急照明系统的检修周期。
A.每日
B.每月
C.每季
D.每年
[单选题]消防工作的方针是( )
A.预防为主，救火为辅。
B.救火为主，预防为辅
C.预防为主，防消结合
D.预防为主。
[单项选择]按照国际电话电报咨询委员会（CCITT）的定义，（）一属于表现媒体（PresentationMedium）。
A. 声音
B. 图像编码
C. 显示器
D. 光盘
[简答题]试述高等学校教师队伍的结构以及如何促进我国高校教师队伍结构的优化调整。
[多选题]调度命令下达后，随车机械师与司机共同确认无网压后（根据车型要求进行放电操作），随车机械师穿戴好防护用品后下车，在本线（）使用验电器确认接触网已停电，在作业范围内（）接触网腕臂各挂设一根接地杆后方可登车顶检查处理，登顶作业严禁超出两端挂设的接地杆之间的接触网范围。
A.会车侧
B.非会车侧
C.两端临近
D.两端远离
[单选题]"宗教信仰"属于人的
A.生理性需要
B.社会性需要
C.情绪性需要
D.知识性需要
E.精神性需要
[单项选择]心悸伴发热见于下列疾病，除外
A. 风湿热
B. 心肌炎
C. 心绞痛
D. 急性传染病
E. 心包炎
[判断题]馈线侧断路器跳闸报告显示跳闸原因为过负荷性质时，应及时倒闸恢复供电。
A.正确
B.错误
[判断题]塔机联接件及其防松防脱件应符合规定要求,也可以用其他代用品代用。
A.正确
B.错误
[单选题]《修规》第3.9.1条，尖轨在第一拉杆中心处的设计动程：直尖轨为（） mm，曲尖轨为152 mm。
A.142
B.152
C.162
D.122
[单选题]《铁路旅客运输服务质量规范》（空调）3.7.4中规定，临时停车时做好（），加强巡视，确保车门锁闭。
A.服务
B.宣传
C.通告
D.安抚
[单选题]环形阵列定义阵列对象数目和分布方法的是（）。
A.A、项目总数和填充角度
B.B、项目总数和项目间的角度
C.C、项目总数和基点位置
D.D、填充角度和项目间的角度
[单选题]葡萄胎的恶变率是
A.5%
B.5%～10%
C.10%～15%
D.10%～20%
E.10%～25%
[单选题]在有色发光的药剂中,加入有机氯化物可使颜色纯度()。
A.更高
B.更低
C.不变
[单选题]圆曲线上各点正矢的最大最小值差不大于( )。(A 、3、A)[020102]
A.1～2mm
B.2～4mm
C.3～6mm
D.4～8mm
[判断题]装修房间时,把电气及线路敷设于装饰墙面和吊顶内,没有任何隔热防火措施,与可燃易燃材料直接接触,电气设备长时间工作很容易引发火灾事故。
A.正确
B.错误
[判断题]事故紧急抢修应填用工作票，或事故紧急抢修单。
A.正确
B.错误
[判断题]2.114考试员分为专职考试员、辅助考试员，其中专职考试员只能用由公安民警担任。
A.正确
B.错误
[单选题]国家机关工作人员叛逃后,参加间谍组织或者接受间谍任务的,应按下列哪一选项处理?()
A.只定叛逃罪
B. 只定间谍罪
C.叛逃罪和间谍罪数罪并罚D叛逃罪和间谍罪选择一重罪处罚
[单项选择]老年血液透析患者合并心血管系统疾病、肺心病，血液透析中血流量应控制在（）ml/分。
A. 120-150
B. 150-180
C. 180-200
D. 200-220
E. 200-250
[单项选择]DR摄影和CR摄影相比，在哪方面不如CR（）
A. 图像质量
B. 曝光剂量
C. 系统兼容性
D. 工作效率
E. 信噪比
[单选题]在没有脚手架或者在没有栏杆的脚手架上工作，高度超过（ ）时，应使用安全带，或采取其他可靠的安全措施。
A.1.5m
B.1.2m
C.1.0m
D.0.8m
[判断题]运用平均发展速度法进行估价的条件是，房地产价格的变动过程是持续上升或下降的，且各期上升或下降的幅度要相等，否则就不适宜采用这种方法。（ ）
[多选题]下列关于电气化铁路营业线设备安全限界说法正确的是（ ）。（职工）（应知应会-西铁供2014:192号，第20条.）
A.接触网支柱外侧2米
B.接触网支柱外侧附加悬挂外2米
C.非电气化铁路信号机立柱外侧1米
D.有下锚拉线地段时在下锚拉线外1米
[判断题]意识的真正源泉不是人脑而是外部世界。
A.正确
B.错误
[单选题]塌方落石侵入限界时，应( )。
A.限速 15km/h
B.限速 25km/h
C.限速 45km/h
D.办理封锁线路手续，拦停来车.
