热门试题:
[多项选择]下列有关自利行为原则有关的说法中正确的有（）。
A. 自利行为原则的依据是理性的经济人假设
B. 自利行为原则的一个重要应用是委托一代理理论
C. 机会成本是自利行为原则的应用
D. 沉没成本也是自利行为原则的应用
[简答题]综合录井仪硫化氢室外报警器，安装在仪器房顶部靠井场一侧处，架设高度不应超出录井仪器房顶0.3m。
[单项选择]Smoking, which may be a pleasure for some people, is a serious source of discomfort to their fellows. (1)_____, medical authorities ex press their (2)_____ about the effect of smoking (3)_____ the health not only (4)_____ those who smoke but also of those who do not. In fact, non smokers who must (5)_____ inhale the air polluted by tobacco smoke may (6)_____ more than the smokers themselves. As you aye doubtless, (7)_____, a considerable number of our students have (8)_____ in effort to (9)_____ the university to ban smoking in the classroom. I believe they are (10)_____ right in their aim. (11)_____ I would hope that it is (12)_____ to achieve this by (13)_____ on the smokers to use good judgment and show concern (14)_____ others rather than regulation. Smoking is (15)_____ by law in theater and in halls used for (16)_____ films as well as in laboratories where there (17)_____ be a fire hazard. Elsewhere, it is up to your good sense. I am (18)_____ asking you to maintain (19)_____ in the auditoriums, classrooms and seminar rooms. This will prove that you have the nonsmokers health and well-being in (20)_____, which is very important to a large number of our students.
A. Then
B. Further
C. However
D. Moreover
[多选题]自动喷水灭火系统施工前应具备（ ）条件。（GB 50261—2017《自动喷水灭火系统施工及验收规范》3.1.3）
A.A.施工图应经审查批准或备案后方可施工。
B.B.设计单位应向施工、建设、监理单位进行技术交底。
C.C.系统组件、管件及其他设备、材料，应能保证正常施工。
D.D.施工现场及施工中使用的水、电、气应满足施工要求，并应保证连续施工。
[单选题]伤员脱离电源后，当发现触电者呼吸微弱或停止时，应立即通畅触电者的气道以促进触电者呼吸或便于抢救。
A.正确
B.错误
C.略
D.略
E.略
F.略
[单项选择]The editors of the magazine are often criticized for the ______ of their opinion column, which frequently ______ from one side of an issue to the other.
A. monotony.. continues
B. ingenuity.. settles
C. unpredictability.. scuttles
D. inconsistency .. vacillates
E. rigidity.. dithers
[多选题]带电水冲洗时，出现以下（）情况时，一般不可冲洗。
A.有零值绝缘子
B.有低值绝缘子
C.瓷质有裂纹
D.有高值绝缘子
[单选题] 年，我国七大水系的409个水质监测断面中，I-III类水质断面比例占55. 0%，那么应该有多少个水质监测断面属于“I-III类水质断面”？（）
A.203
B.214
C.225
D.236
[多选题]关于关门车编入列车的位置，正确的是（）。
A.机后三辆之内不得超过两辆
B.列车最后一辆不得为关门车
C.列车中连续连挂不得超过两辆
D.列车最后第二、第三辆不得连续关门
[单选题]对班级授课制给予了系统的理论描述的著作是17世纪捷克教育家夸美纽斯的（ ）
A.《教学与发展》
B.《大教学论》
C.《普通教育学》
D.《大教育论点》
[单选题]（）主要适用于纸质商业汇票贴现业务完成电子权属登记后的票据背书
A.结算专用章
B.汇票专用章
C.已电子登记权属章
D.票据交换专用章
[单选题]测量介质损耗时，通常以（）℃的介质损耗值作为参考标准。
A.20
B.15
C.10
D.5
[多选题] ( ) 车站联锁主要控制项目包括:列车进路、引导进路、进路的解锁和取消、信号机关闭和开放( )。
A.站台紧急关闭和取消
B.遥控和站控转换
C.扣车和取消
D.区间临时限速
E.道岔操纵及锁闭
[单选题]在页面布局的基本要素中，[ ]是放置制作者或者公司信息的地方。
A.A、页头
B.B、页脚
C.C、第一屏
D.D、导航栏
[单项选择]Among the many other things it is, a portrait is always a record of the personal and artistic encounter that produced it. It is possible for artists to produce portraits of individuals who have not sat for them, but the portrait that finally emerges normally betrays the restrictions under which the artist has been forced to labor. Even when an artist’’s portrait is simply a copy of someone else’’s work-as in the many portraits of Queen Elizabeth I that were produced during her lifetime-the never-changing features of a ruler who refused to sit for her court painters reflect not only the supposed powers of an ever-youthful queen but the remoteness of those attempting to depict her as well.
Portraits are "occasional" not only in the sense that they are closely tied to particular events in the lives of their subjects but in the sense that there is usually an occasion-however brief, uncomfortable, artificial, or unsatisfactory it may prove to be-in which the artist and subject directly c
A. refute Avedon’’s conception about a portrait sitting.
B. provide one perspective of the portraiture encounter.
C. exemplify time restriction of the sitting for portraiture.
D. support the thesis on the uncertainty of a collegial sitting
[判断题]高处作业时，打闹、睡觉、攀登杆件上下、跳跃凌空状态不用安全带等都是违规操作。
A.正确
B.错误
[单项选择]新环保法规定：公民应当遵守（），配合实施环境保护措施，按照规定对生活废弃物进行分类放置，减少日常生活对环境造成的损害。
A. 公民行为准则
B. 社会道德规范
C. 环境保护法律法规
D. 环境卫生标准
[多选题]动车组列车火灾根据侦察情况,做好现场警戒,采取有效措施,及时排查和消除( )等风险隐患。
A.起火
B.触电
C.摩擦
D.坠落
[多选题]使用顶驱时每班应检查( )
A.主电机绝缘电阻
B.导轨轮、滑车是否良好,导轨连接销钉锁销正常
C.液动旋塞转动灵活,背钳钳头锁止销及螺栓紧固
D.部件是否松动、损坏和泄漏主轴防松装置有无螺栓松动
[单项选择]国家实行城乡统筹的就业政策，建立健全城乡劳动者平等就业的制度，引导农村富余劳动力有序转移就业，这是国家通过( )来促进就业。
A. 产业政策
B. 金融政策
C. 优惠政策
D. 统筹兼顾
[单选题]偶联过氧化物酶(PO
D)作为工具酶的反应中，如显色底物为4-氨基安替比林(4-AAP)，最后呈色为
A.蓝色
B.黄色
C.红色
D.紫色
E.棕色
[多选题]关于安全生产许可证管理制度的说法，正确的有（ ）。
A.安全生产许可证的有效期为3年
B.未取得安全生产许可证的企业，不得从事建筑施工活动
C.建设主管部门在颁发施工许可证时，必须审查安全生产许可证
D.企业未发生死亡事故的，许可证有效期届满时自动延期
E.企业未发生死亡事故的，许可证有效期届满时，经原办证机关同意，可延期
[判断题]为了减小某一电路的电流,可串联电阻分流。(易)( )
A.正确
B.错误
[简答题]
In relation to the Property Law of China:
(b) state the various measures that can be taken by a holder to protect the property if his property rights are infringed by others; (3 marks)
[多选题] 社会化良好,对周围社会状态能够很好地适应,掌握社会中公认的( )
A. 思想观念
B. 行为方式
C. 信仰
D. 习惯
[判断题]人行道指人群步行的道路,但不包括地下人行通道。
A.正确
B.错误
[判断题]货场内货物被盗丢失：重点勘查并记明卸车入库（区）时间，卸车班组、货运员、库区货运员的交接情况；包装破损内货短少时，查明损失货件在库区堆码情况及周围货物出库情况。
A.正确
B.错误
[多项选择]不符合细菌性痢疾诊断的粪便检查是（）
A. 黏液以白细胞为主
B. 破碎细胞多见
C. 可见大量肠黏膜上皮细胞
D. 巨噬细胞多见
E. 血腥臭味
[单选题]政府专职消防员假期结束后，需向( )销假，并在支队移动办公平台上进行报备，由单位详细记录其销假情况
A.单位负责人
B.班长
C.专人
D.值班员
[单选题] 由国家技术监督局牵头，会同建设部、国家旅游局公安部、劳动局、国家工商行政管理局联合发布《游乐设施和游乐设施安全监督管理规定》的通知是在（ ） 年发布的。[1分]
A.1989年；
B.1994年；
C.2001年；
D.2005年
[判断题]汽车的维护分为日常维护、一级维护和二级维护。( )
A.正确
B.错误
[单项选择]关于游离神经末梢表述正确的是（）。
A. 游离神经末梢感受器是一种本体感受器
B. 游离神经末梢感受器多为感受伤害和温度，所以传入神经纤维神的传入速度是相对较快的
C. 神经末梢感受器，能够感受一定疼痛，使人们能够自发规避一些伤害
D. 神经末梢感受器神经传入纤维会直接传入到大脑皮层惊醒整合处理并反馈
[单项选择]围绝经期保健错误的做法是
A. 合理膳食
B. 适当增加运动
C. 预防骨质疏松和心血管病
D. 均应补充雌激素
E. 使其保持愉快的心情
[填空题] Researchers stress that we need diet and exercise to drop pounds. "The most 【26】 way to lose weight is with a combination," says Rena Wing, head of the National Weight Control Center. 【27】 experts also admit that many 【28】 losers find it helps to 【29】 on one or the other. "A lot of people feel helpless at the thought of 【30】 everything — diet, lifestyle," says Bess Marcus, professor of human behavior at Brown University Medical School. "So ask yourself, ’’【31】 do I want to start What am I willing to focus on ’’ "
The 【32】 depends on everything from what you hope to 【33】 to how your life is 【34】. If you are in a big hurry to drop pounds 【35】, dieting is the way to go. Decades of 【36】 have shown it’’s the surest and quickest method. If you are more 【37】 with how you look than with numbers on the scale, though, 【38】 may be the way to go. By increasing physical activity, you’’ll 【39】 fat and build muscle tissue. 【40】 often end up losing both fat and muscle tissue.
Your 【41
A. A．How
B．When
C．Where
D．Why
