热门试题:
[单选题]凡在坠落高度基准面（ ）及以上的高处进行的作业，都应视作高处作业。
A.1m
B.2m
C.2.5m
D.3m
E.略
F.略
[多选题]市轨道交通的限界包括哪些？( )
A.车辆限界
B.设备限界
C.建筑限界
D.轨道限界
[判断题]新参加电气工作的人员、实习人员和临时参加劳动的人员（管理人员、非全日制用工等），应经过安全生产知识教育后，方可下现场单独工作。
A.正确
B.错误
[单项选择]These goods are ______ for export, though a few of them may be sold on the home market.
A. essentially
B. completely
C. necessarily
D. remarkably
[单项选择]
One night in February 1962, John H. Glenn, Jr. , flew over Australia. The man in the Mercury (水星号) capsule (太空舱) was alone, but friendly voices reached him by radio. On the dark land 100 miles below, he saw a sprinkling (零星) of lights. They marked the city of Perth, where people had turned on their lights as a greeting to him.
In Friendship 7, Glenn radioed, "Tile lights show up very well. Thank everybody for turning them on." His capsule raced on to the east.
During his three orbits of the earth, Glenn could always reach one of eighteen tracking stations. Some of them were on ships at sea. Others were in the United States.
Many of the stations had been built with the help of the other countries. These countries allowed Americans to bring in radio equipment and set it up. Without the help of such lands as Nigeria, Zanzibar, and Mexico, there would have been breaks in the worldwide radio network.
John Glenn, Jr. , was the first American to
A. Because it was time for them to wake up.
B. Because they wanted to greet John Glenn.
C. Because they wanted to see Friendship 7.
D. Because they wanted to build the tracking station.
[单选题]可燃液体与易燃液体是以闪点作为划分标准，闪点≥60℃的液体为( )。
A.易燃液体
B.可燃液体
C.低闪点易燃液体
D.高闪点易燃液体
[单项选择]腰椎间盘突出症时，足内侧感觉异常，受累的神经根应是
A. 腰3神经根受累
B. 腰4神经根受累
C. 腰5神经根受累
D. 骶1神经根受累
E. 骶2神经根受累
[单选题]发动机某缸压力过低,其余各缸压力正常,其故障原因为( )。
A.节气门全开
B.该缸气门关闭不严
C.压缩比低
D.气门间隙过大
[多项选择]下列骨折中，易并发损伤性休克的是（）。
A. 多发性骨折
B. 骨盆骨折
C. 股骨干骨折
D. 指骨骨折
E. 骨折合并内脏损伤
[单项选择]拮抗药是（）
A. 与受体有亲和力，无内在活性
B. 与受体有亲和力，有内在活性
C. 与受体无亲和力，无内在活性
D. 与受体无亲和力，有内在活性
E. 与受体无亲和力，内在活性强
[单选题]桩顶竖向荷载由桩侧阻力承担30%，桩端阻力承担70%，该桩型属于（ ）。
A.端承桩
B.摩擦桩
C.摩擦端承桩
D.端承摩擦桩
[单选题]综合分析国际国内形势和我国发展条件,把我国建成社会主义现代化**可以分两个阶段来安排。第一个阶段,从______到______,在全面建成小康社会的基础上,基本实现社会主义现代化。 ·
A.2020年 2035年
B.2025年 2040年
C.2030年 2045年
D.2035年 本世纪中叶
[多选题][多选] 五四运动前后的新文化运动的不同之处有( )。
A.宣传社会主义思想
B.马克思主义宣传与工人运动相结合
C.对科学共产主义作了较为全面系统地介绍
D.动摇了封建正统思想
[多选题]一级动火在首次动火时，各级审批人和动火工作票签发人均应到现场检查（）后方可动火。
A.防火安全措施是否正确完备
B.测定可燃气体的含量是否合格
C.测定易燃液体的可燃蒸气含量是否合格
D.在监护下做明火试验确无问题
[判断题]无锡地铁电客车刮雨器快速档动作频次范围为30至45次每分钟。(1.0分)
A.正确
B.错误
[判断题]进站信号机外制动距离内进站方向的上坡道，是指平均坡度加上曲线阻力当量坡度的换算坡度。
[单项选择]Questions 11 to 18 are based on, the conversation you have just heard.
A. In a library.
B. In a bookstore.
C. In the classroom.
D. In a department store.
[单选题]列车在区间运行中发生分离，应确认分离车辆的车钩状态，符合连挂条件时，应与分离车辆连挂妥当并进行自动制动机（ ）后，继续运行至前方站停车处理。
A.贯通试验
B.简略试验
C.全部试验
[填空题]
{{B}} A=
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[单选题]最常见的女性生殖器官良性肿瘤是
A.子宫颈肌瘤
B.子宫肌瘤
C.成熟畸胎瘤
D.浆液性囊腺瘤
E.卵巢纤维瘤
[多项选择]依照《招标投标法》的规定，在中华人民共和国境内进行下列哪些工程建设项目包括项目的勘察、设计、施工、监理以及与工程建设有关的重要设备、材料等的采购，必须进行招标
A. 大型基础设施、公用事业等关系社会公共利益、公众安全的项目
B. 全部或者部分使用国有资金投资或者国家融资的项目
C. 使用国际组织或者外国政府贷款、援助资金的项目
D. 国务院发展计划部门确定的国家重点项目
[单选题]575.碱性电池、锂聚合物电池、铅酸电池同样容量哪个最轻?
A.A．碱性电池
B.B．锂聚合物电池
C.C．铅酸电池
[单选题]某县政府装有SL7-50/10型变压器1台,采用高供低计方式进行计量,根据《供用电合同》,该户用电比例为工业用电占95%,居民生活用电占5%,已知4月份抄见有功电量为10000kWh,(工商业及其他电价为0.6500元/kWh,居民生活电价为0.4486元/kWh,变损为435kWh),该户4月份的总电费为( )元。
A.6677.67
B.6697.62
C.6717.62
D.6737.62
[多选题]以下（ ）是可燃气体泄漏的应急处理原则。
A.切断气源
B.杜绝火种
C.降低浓度
D.设置警戒区
[单项选择]党的（）明确提出提高生态文明水平。
A. 十七届二中全会
B. 十七届三中全会
C. 十七届四中全会
D. 十七届五中全会
[单选题]多级账簿开立的层级不得超过（）级。
A.96级
B.97级
C.98级
D.99级
[单选题]列车上工作人员往外抛掷物体造成人员伤害或设备损坏，未构成一般C类以上事故的，为（ ）事故。
A.一般A类
B.一般B类
C.一般C类
D.一般D类
[单选题]电缆敷设时，盘边缘距地面不得小于（）mm，电缆盘转动力量要均匀，速度要缓慢平稳。
A.10
B.50
C.100
D.200
[填空题]
Presenter: Good evening and welcome to Issue for Today. Our topic tonight is experiment on animals and to start the discussion we have a strongly argued appeal from Jeff Sachs of the animal’s rights organization Animal Aid. Now Jeff, what’s all the fuss about After all, 85 percent of doctors support experiments on animals.
Jeff: This is first and foremost a moral question. What kind of people are we As humans, we live in a society which protects the rights of the weak. We take care of the sick, the old and the disabled and punish those who are violent to others. But we also have a darker, cruel side. I believe that we experiment on animals because they are powerless to stop us, and we count their pain as unimportant when measured against our own interests. We live unhealthy lives and make animals suffer in the search for cures for our illnesses. We even see the production of a new lipstick as a good enough reason to inflict pain on animals. It’s not that
[单选题]为了使普通单开道岔转辙器轨距、方向正确及尖轨和基本轨密贴，曲基本轨应按支距进行弯折，一般由( )个转折点。
A.一
B.二
C.三
D.四
[单选题] "《山东省安全生产举报奖励办法》规定：安全生产举报奖励资金由各级财政部门纳入（ ）财政预算。
A.同级
B.上级
C.省级
D.市级"
[单选题]某项目走廊进行地面砖面层的铺贴施工，走廊长度为9mx1.8m全部采用600mm×600m瓷质砖，采用15~20mm厚1:2干硬性砂浆结合层，上面涂刮5mm厚的水泥胶粘料，按模数化铺贴。监理方进行检查后发现该走廊有5块瓷砖出现空鼓，要求项目部进行整改。根据背景资料，回答下列1~6问题。
下列关于该走廊验收是否合格的说法，正确的是（ ）。
A.该走廊瓷砖空鼓率小于规范规定的空鼓率，验收结论合格
B.该走廊瓷砖空鼓率大于规范规定的空鼓率，验收结论合格
C.该走廊瓷砖空鼓率小于规范规定的空鼓率，验收结论不合格
D.该走廊瓷砖空鼓率大于规范规定的空鼓率，验收结论不合格
[单项选择]在神经传导检查时下列做法正确的是（）。
A. 刺激电极的置放以阴极距记录电极较近为原则
B. 刺激电极的置放以阴极距记录电极较远为原则
C. 在做H反射和F波时，以刺激电极的阴极朝向远心端为准
D. 记录电极的主极放在肌腱上
E. 接地电极可以随意放置
[单项选择]允许权证持有人以特定的价格即固定汇率，将一种货币兑换成另一种货币的债券是( )。
A. 附黄金权证债券
B. 附债务权证债券
C. 附货币权证债券
D. 附权益权证债券
[填空题]隧道爆破施工,需要对既有隧道进行安全评估,并由具有资质的设计单位出具（ ）。
[单选题]单线半自动闭塞，列车后部补机由区间返回的行车 凭证是（ ）。
A.路票副页
B.调度命令
C.红色许可证
D.进站信号显示
