热门试题:
[判断题]检修人员戴绝缘手套，用短接线对电容器两极进行短路后，才可接触设备。
A.正确
B.错误
[单选题]绝缘工具每次使用前，须认真检查有无损坏，并用清洁干燥的抹布擦拭有效绝缘部分后，再用 2500V 兆欧表测量整个有效绝缘部分的绝缘电阻不低于（ ） MΩ。
A.100
B.1000
C.5000
D.10000
[单项选择]患者，女，39岁，持续性鼻塞半年。长期滴用减充血剂，且有多用减效现象。查体：鼻黏膜充血、肿胀明显，最可能的诊断是（）
A. 急性鼻炎
B. 血管运动性鼻炎
C. 药物性鼻炎
D. 变应性鼻炎
E. 慢性肥厚性鼻炎
[填空题] A study of art history might be a good way to learn more about a culture than is possible to learn in general history classes.
Most 【B1】 history courses concentrate on politics, economies, and war. But art history 【B2】 on much more than this 【B3】 art reflects not only the political life of a people, but also religious beliefs, emotions, and psychology. 【B4】 , information about the daily activities of our ancestors -- or of people very different from 【B5】 -- can be provided 【B6】 art. In short, art expresses the 【B7】 qualities of a time and a place, and a study of it clearly 【B8】 us a deeper understanding than can be found in 【B9】 history books.
In history books, objective information about the 【B10】 life of a country is presented; that is, facts about politics are given, but 【B11】 are not expressed. Art, on the other hand, is subjective: it reflects emotions and opinions. In the same way, art can reflect a 【B12】 religious beliefs. For hundreds of
A. A．one another
B．another
C．each and other
D．others
[单选题]人工准备进路须不少于2人，其中一人岗位须为车站值班员及以上，另一人岗位须为（ ）及以上。
A.站务员
B.值班站长
C.安检
D.站台岗
[单项选择]药物的治疗指数是
A. ED50/LD50
B. ED95/LD50
C. LD50/ED50
D. LD5/ED50
E. ED95/ED5
[单选题]硫酸二甲酯毒物污染皮肤时,用大量清水或用( )溶液冲洗不少(A)分钟
A.2%碳酸氢钠、15
B.2%氢氧化钠、20
C.3%碳酸钙、15
D.3%盐水、30
[单项选择]In the first paragraph, the author tells us that ______.
A. historical study of phrases using bull as an image
B. bears and bulls are not friends of humans
C. bulls are powerful animals and people associate them with certain feelings
D. bears and bulls used to be worshipped by primitive people
[判断题]按照相关规定，我国所有单位都应以权责发生制作为会计核算基础。（）
[单选题]与干姜“回阳通脉”功效相关的药理作用是
A.影响内分泌功能
B.止吐
C.降血压
D.抗腹泻
E.抗血栓
[多选题]国家地震应急预案包括（）。
A.组织体系
B.应急响应
C.指挥与协调
D.恢复重建
[判断题]既有提速铁路货车可进入青藏线格拉段运行。（ ）
A.正确
B.错误
[判断题]场车使用单位应当根据情况,设置特种设备安全管理机构或者配备专职、兼职的特种设备安全管理人员,负责对司机和场车进行日常管理工作。()(1分)
A.正确
B.错误
[判断题]电力电缆发生闪络时，当电压升到某值时，即发生击穿，电压降低后绝缘又恢复。
A.正确
B.错误
[单选题]-E-O-001 4 2 2
双头及鱼尾型夹板中间两螺栓孔范围内裂纹超过(??? )应及时更换。
A.5mm
B.10mm
C.15mm
D.20mm
[T/]
[单项选择]专业性强的职务和基层行政职务可采用( )。
A. 委任制
B. 考任制
C. 聘任制
D. 选任制
[多项选择]（）以下哪几派和封不平做一伙来逼岳不群让位？
A. 泰山派
B. 恒山派
C. 嵩山派
D. 衡山派
E. 日月神教
[单选题]冻顶乌龙茶香气为兰花香、( )交融,滋味甘滑爽口。
A.乳香
B.蜜香
C.焦香
D.毫香
[单选题]10.正常胎儿血液循环中血氧含量最高的部位是
A..脐动脉
B..脐静脉
C..主动脉
D..肺动脉
E..腹主动脉
[填空题]The Library of Congress is America’s national library. It has{{U}} (36) {{/U}}of books and other objects. It has newspapers, {{U}} (37) {{/U}}publications as well as letters of{{U}} (38) {{/U}}interest. It also has maps, photographs, art{{U}} (39) {{/U}}, movies, sound recordings and musical{{U}} (40) {{/U}}. All together, it has more than 100 million objects.
The Library of Congress is open to the public Monday through Saturday, except for public holidays. Anyone may go there and read anything in the collection. But no one is{{U}} (41) {{/U}}to take books out of the building.
The Library of Congress was{{U}} (42) {{/U}}in 1800. It started with eleven boxes of books in one room of the Capitol Building. By 1814, the collection had increased to about 3,000 books. They were all{{U}} (43) {{/U}}that year when the Capitol was burned down during America’s war with Britain.
To help re-build the library, Congress bought the books of President Thomas Jefferson. Mr. Je
[单选题] ( )B737-700、A320-200、A319-100 机型经济舱区域责任乘务员均由在经济舱工作___年以上的乘务员担任，区 域责任乘务员由带班乘务长指定。
A. 1
B. 2
C. 3
D. 4
[填空题]
[A] We’ll "manage" Earth.
[B] We’ll have a brain road map.
[C] We’ll know where we came from.
[D] We’ll clone many useful creatures.
[E] We’ll live longer (120 years).
[F] We’ll crack the genetic code and conquer cancer.
It is predicted that there will be 5 scientific breakthroughs in the 21st century.
41. ______.
Why does the universe exist To put it another way, why is there something instead of nothing Since the 1920s, scientists have known the universe is expanding, which means it must have started at a definite time in the past. They even have developed theories that give a detailed picture of the evolution of the universe from the time it was a fraction of a second old to the present. Over the next couple of decades, these theories will be refined by data from extraordinary powerful new telescope. We will have a better understanding of how matter behaves at the unfa
[单选题]区间隧道每隔( )米安装一个DN65单头单阀消防栓。
A.20
B.50
C.100
D.150
[单选题]企业年金所需费用由（ ）缴纳，缴费水平根据国家规定的比例和企业承受能力确定，并进行动态调整。
A.单位$
B.$职工$
C.$单位和职工$
D.$以上全不对
[多选题]扰动道床不能预先轧道的线路、道岔施工，开通后第一趟不得放行旅客列车，具备下列条件之一时可视为轧道：
A.大型养路机械施工经过稳定车作业。
B.开通后经过重型轨道车牵引的施工列车。
C.开通后经过单机。
D.开通后经过大型养路机械作业机组。
[多选题]JDB电动机综合保护器的具有（）保护。
A.短路
B.过负荷
C.断相
D.漏电闭锁
[多选题]麻黄汤的配伍特点是
A.宣降配伍
B.酸甘化阴
C.相须为用
D.辛甘化阳
[判断题]代表中国最广大人民的根本利益是“三个代表”的基础,而代表中国先进生产力的发展要求则是“三个代表”的归宿。( )
A.正确
B.错误
[判断题]立井绞车的提升加速度不得超过0.75米/秒。( )
A.正确
B.错误
[单项选择]下列卡环类型中，无固位作用的是（）
A. 间隙卡环
B. 单臂卡环
C. 固定卡环
D. 卡臂卡环
E. 连续卡环
[单项选择]肝气郁结型治法宜
A. 疏肝理气解郁
B. 清肝泻火，解郁和胃
C. 养心安神
D. 健脾养心，益气补血
E. 滋阴清热，镇心安神
[单项选择]大补阴丸主治病证的脉象是（）
A. 寸脉浮数
B. 关脉弦数
C. 尺脉细数
D. 关脉弦滑
E. 尺脉数而有力
[判断题]( )复合逻辑门电路由基本逻辑门电路组成，如与非门、或非门等。
A.正确
B.错误
[单选题]申请成立消防安全专业培训机构,依照国家有关法律法规,应当向( )申请。
A.省级消防救援机构
B.省级教育行政部门
C.省级人力资源和社会保障部门
D.省级教育行政部门或者人力资源和社会保障部门
[单选题]生长发育迅速的婴幼儿应多多( )。
A.睡眠
B.游泳
C.晒太阳
D.室内游戏
