热门试题:
[填空题]视图包括基本视图、( )、局部视图和斜视图四种。
[单项选择]下列关于雷电破坏性的说法中，错误的是（ ）。
A. 直击雷具有机械效应、热效应
B. 闪电感应不会在金属管道上产生雷电波
C. 雷电劈裂树木系雷电流使树木中的气体急剧膨胀或水汽化所导致
D. 雷击时电视和通讯受到干扰，源于雷击产生的静电场突变和电磁辐射
[单项选择]
Man has a big brain. He can think, learn and speak. Scientists used to think that man are different from animals because they can think and learn. They know now that animals--dogs, rats and birds--can learn. So scientists are beginning to understand that men are different from animals because they can speak. Animals cannot speak. They make noises when they are afraid, or hungry. or unhappy. Apes are our nearest cousins. They can understand some things mole quickly than human beings, and one or two have learned a few words. But they are still different from us. They cannot join words and make sentences. They cannot think like us because they have no language. They can never think about the past or the future. Language is a wonderful thing. Man has been able to develop civilization because he has language. Every child can. speak his own language vet well when he is four or five--but no animal learns to speak. How do children learn Scientists do not really know. What happens when we
A. he can read and write
B. he is different from animals
C. he can learn and think
D. he has a big brain
[简答题]中转站发现中转集装箱施封锁（坏）丢失应如何处理？
[单选题]当发现配电箱、电表箱箱体带电时，应（ ），查明带电原因，并作相应处理。
A.检查接地装置
B.断开上一级电源
C.通知用户停电
D.先接地
[多选题]公安机关在办理治安案件时,对()应当收缴。
A.赌具
B.注射毒品用的针管
C.淫秽光盘
D.直接用于实施违反治安管理行为的本人所有的工具
[多选题]火场中常见的屋架倒塌形态有（）
A.交叉形
B.一面倒形
C.斜面形
D.混合形
[单项选择]All her life, my mother wanted busy children. It was very important that her house should remain at all times clean and tidy.
You could turn your back for a moment in my mother’s house, leave a half written letter on the dining table, a magazine open on the chair, and turn around to find that my mother had "put it back where it belonged," as she explained. My wife, on one of her first visits to my mother’s house, placed a packet of biscuits on an end table and went to the kitchen to fetch a drink. When she returned, she found the packet had been removed. Confused, she set down her drink and went back to the kitchen for more biscuits, only to return to find that her drink had disappeared. Up to then she had guessed that everyone in my family held onto their drinks so as not to make water rings on the end tables. Now she knows better.
These disappearances had a confusing effect on our family. We were all inclined to forgetfulness, and it was common for one of us, upon returning
A. my mother often made us confused
B. my family members had a poor memory
C. my mother helped us to form a good habit
D. my wife was surprised when she visited my mother
[单选题]在电焊作业或其他有火花、熔融源等的场所使用的安全带或安全绳应有（）。
A.绝缘护套
B.塑料护套
C.隔热防磨套
D.保护套
[单选题]速动型智能分布式FA相互之间通信方式为（ ）。
A.无线公网
B.载波通信
C.RS485
D.光纤通信
[单选题]验收时,应检查跌落式熔断器应安装牢固、排列整齐、熔断轴线与地面的垂线夹角为()。
A.10°—15°
B.15°—20°
C.15°—25°
D.15°—30°
[单选题][单选]脚手架的人行斜道和运料斜道的脚手板上应每隔（）设置一根防滑条。
A.600mm
B.500mm
C.400mm
D.250～300mm
专职安全生产管理人员（C证）
[单选题] 根据《中国银监会关于规范商业银行代理销售业务的通知》规定，商业银行应当对代销产品进行风险评级,风险评级结果与合作机构不一致的，应当采用对应（）风险等级的评级结果。
A.较高
B.较低
C.低
D.一般"
[多项选择]违约责任的承担形式主要有( )。
A. 违约金责任
B. 赔偿损失
C. 强制履行
D. 定金责任
E. 行政处罚
[单项选择]Questions 23 to 25 are based on the conversation you have just heard.
A. Telling jokes.
B. Falling asleep during class.
C. Staying late after class.
D. Eating in the cafeteria.
[多项选择]天疱疮皮损棘层细胞间可沉积（）
A. IgA
B. IgG
C. IgM
D. C3
[单选题]下列关于利息率的表述中不正确的是（ ）
A.它的最低界限不能等于零
B.通常在平均利润率和零之间变动
C.由国家的习惯和法律传统决定
D.与平均利润率和企业利润率按相同比例变动
[多选题]事故调查组成员包括（）。
A.发生事故区域的主管或其指定
的代表
B.与事故有关人员(当事人
及其主管、见证人)
C. 安全人员
D.如有需要，相关人员（维修人员、项目人员、承包商等）参加
E.对于与工艺或设备相关的事故，至少应有一名熟悉该工艺或设备的人员参加。
[单选题]Chlorine/Fluorine中文叫( )。(中)4
A. 氯/氟
B. 氯/氧
C. 氩/氟
D. 氯/氙
[多选题]佩戴自救器撤离不安全区域过程中,如果吸气时感到干燥且不舒服时,不能 。 多选题
A.脱掉口具吸气
B.摘掉鼻夹吸气
C.通过口具讲话
[单选题]矽肺最常见的并发症
A.肺炎
B.肺心病
C.肺部感染
D.肺结核
[单项选择]心房纤颤（）
A. P-P间期不等，P-R间期一致
B. P-P间期不等，P-R间期渐长
C. 无P波，代之以“F”波，R-R间期不等
D. 无P波，代之以“F”波，F与R成比例
E. 有等频振动波
[单选题]( )应当依法对放射性物品运输容器的设计、制造和使用等进行监督检查。
A. 交通运输主管部门
B. 公安机关
C. 生态环境主管部门
D. 安全监督管理部门
[单项选择]车站与司机的交接地点均为（）停留位置。
A. 列车
B. 机车
C. 车辆
[填空题]税务机关在收到《涉职业放贷人案件信息告知书》之日起( )计算纳税人应缴税费金额,并出具《关于协助征收税费的函》交付人民法院。
[单项选择]下列排序算法中，其时间复杂度和记录的初始排列无关的是 ( )
A. 插入排序
B. 堆排序
C. 快速排序
D. 冒泡排序
[判断题]轴承套端面与轴承端盖之间的轴承间隙是用来保证转子定位和转子工作时因温度降低而自由膨胀的。( )
A.正确
B.错误
[单选题]患性,60岁,走路时双脚有踩棉花感,睁眼站立稍不稳,Romber征极明显,双下肢音叉振动觉缺失,病变为
A. 脊髓后索
B. 脊髓后角
C. 脊髓侧索
D. 大脑额叶
E. 小脑
[简答题]近代西方最早进行殖民扩张的国家是葡萄牙和哪个国家？
[判断题]安全生产责任制考核，包括安全绩效考核和安全管理综合评价。
A.正确
B.错误
[单选题]远方遥控操作继电保护软压板,至少应有()指示发生对应变化,且所有这些确定的指示均已同时发生对应变化,方可确认该压板已操作到位。
A.两个
B.三个
C.四个
D.一个
[判断题]( )职业资格证书分为一级、二级、三级、四级、五级五个级别。
A.正确
B.错误
[填空题]道岔查照间隔在仅运行货车的线路上不得小于( )mm。
[单选题]按病情的程度和表现特点，中暑一般分为（ ）类。
A.二
B.三
C.四
D.五
[判断题]社会形态是关于社会运动的具体形式、发展阶段和不同质态的范畴，是生产力、经济基础和上层建筑的统一体。（ ）
A.正确
B.错误
