热门试题:
[单项选择]
Thomas Alva Edison lit up the world with his invention of the electric light. Without him, the world might still be a dark place. However, it was not his only invention. He also invented the phonograph, the motion picture camera, and over 1,200 other things. About every two weeks he created something new.
Born in Milan, Ohio, on February 11, 1847, Edison’s family moved to Port Huron, Michigan when he was seven years old. Surprisingly, he attended school for only two months. His mother taught him a few things, but Thomas was mostly self-educated. His natural curiosity led him to start experimenting at a young age with electrical and mechanical things at home.
When he was 12 years old, he got his first job. He became a newsboy on a train. He set up a laboratory in a baggage car of the train so that he could continue his experiments in his spare time. Unfortunately, he was fired when he accidentally set fire to the floor of the baggage car.
Thomas then
A. deaf people make good inventors because they can focus without the distraction of conversation.
B. Thomas Edison could not keep a job.
C. Thomas Edison worked day and night on his experiments.
D. Thomas Edison was always interested in science and inventions, and he invented many important things.
[填空题]洋务运动时期开办的军事学堂包括( )。李鸿章开办的有( )水师学堂、天津武备学堂)。P111
[单选题] 安全绳的任意一股磨损达原绳的( )就得必须更换。
A. 四分之一
B. 二分之一
C. 三分之一
[简答题]一中年男性不慎从飞驰的汽车上摔下,伤后自觉呼吸困难伴左季肋部疼痛,被人急送至医院。入院后检查:血压80/55mmHg,脉搏108次/分,呼吸28次/分,神志清,面色苍白、四肢湿冷;气管向右侧移位,左侧胸廓饱满,捻发音(+),并可触及骨擦感,叩诊浊音,左侧呼吸音减弱,心律齐;腹部稍膨隆,腹式呼吸减弱,全腹压痛,以左上腹为甚,伴反跳痛,肝浊音界无缩小,左肾区叩击痛(+),移动性浊音(+),腹穿抽出不凝血。化验检查:Hb78g/L,WBC13.5×109/L;尿常规:RBC30~50/HP。试述(1)此病人的诊断是什么?(2)诊断依据(3)抢救治疗原则。
[单选题]00047IgG的可变区包括 ( )
A. 轻链近N端的1/4和重链近N端的1/2
B. 轻链近N端的1/2和重链近N端的1/2
C. 轻链近N端的1/2和重链近N端的1/3
D. 轻链近N端的1/2和重链近N端的1/4
[单选题]任何年代都不曾平凡,任何年代都不缺少对青年人成长的焦虑,但完美的中国青年形象,很难摆脱社会的浸染和政治的油彩。出类拔萃也好,平庸度日也罢,( ),国家旗帜的方向,仍然是青年发展的方向。所以,远大的理想为什么会缩水,学习与奋斗为什么换不来成功,创新的火花为何昙花一现,高尚的品行为何落下暗伤。当下所有的问题,都会找到共同的根源。青年人不需要自卑,不能够屈服,不可以放弃,我们之所以未能改变自己的命运,只因为我们没有想办法去改变这个世界。填入括号部分最恰当的一句是:
A.成功的衡量标准千百年不变,始终是由社会来决定
B.要想成就一番事业就需紧跟时代的节拍、民族的步伐
C.青年的未来总是与国家、民族这些宏大的名词联系到一起
D.个人命运只有与国家牢牢捆绑在一起才能焕发出夺目的光彩
[简答题]半自动闭塞区段,遇超长列车头部越过出站信号机而未压上出站方面的轨道电路发车时,对行车凭证有何规定?
[判断题]2.15 天线不在车辆高度测量范围。
A.正确
B.错误
[单选题]受限空间作业许可证的有效期为( )小时。当作业中断( )小时以上再次作业前,应重新对环境条件和安全措施进行确认;当作业内容和环境条件变更必须重新办理许可证。
A.24,1
B.8,1
C.12,2
D.24,2
[单选题] 西藏和平解放是在( )年。
A. 1949
B. 1950
C. 1951
D. 1952
[简答题]结合佛光寺大殿谈唐代木构建筑的造型特点。
[单选题]( )年,我国商业教育中开始把商品学作为一门必修课。
A.1902;
B.1949;
C.1978;
D.1985
[单项选择]施工单位未对建筑材料、建筑构配件、设备和商品混凝土进行检验,或者未对涉及结构安全的试块、试件以及有关材料取样检测的,关于其相应的法律责任,下列说法错误的是( )。
A. 责令改正,处10万元以上20万元以下的罚款
B. 情节严重的,责令停业整顿,降低资质等级或者吊销资质证书
C. 造成损失的,依法承担赔偿责任。
D. 对责任人员给予行政处分
[单选题]变压器台的倾斜度不应大于变压器台高的()%。 ( )
A.4
B.5
C.1
D.2
[简答题]2013年营运标准中票房服务七步曲是什么?每一步的标准语言是什么?
[判断题]在装设备通透性吊顶的场所,喷头应布置在顶板下;系统的喷水强度应按常规系统设计基本参数1.3倍确定。
A.正确
B.错误
[单选题]中国移动2013年开始大规模部署的4G网络属于哪种制式()
A.TD-LTE
B.LTE-FDD
C.WCDMA
D.GSM
[单项选择]下列表达式中,结果为数值型的是
A. CTOD([04/06/03])-10
B. 100+100=300
C. “505”-“50”
D. LEN(SPACE(3))+1
[单选题]旅客携带( ),按该件全部重量加倍补收乘车站至下车站四类包裹运费
A.整件超重物品
B.整件超大物品
C.宠物狗
D.精神药品
[单选题](1.0分)锚具、夹具和连接器用量不足检验批规定数量的 ( ) ,且供货方提供有效的检验报告时,可不作静载锚固性能检验。
A.0.8
B.0.5
C.0.75
D.0.85
[多选题]下列有关甲状腺危象的叙述正确的有: ( )
A.甲状腺危象是在甲亢未控制的情况下,由于外界的各种应、激因素所致
B.甲亢病情突然加剧,出现危及生命的状态
C.高热体温>39℃
D.心率快,140~240次/分
E.严重者可致嗜睡、谵妄或昏迷
[填空题]公司车辆驾驶员、乘车人员和员工(),因未系安全带、疲劳驾驶、超速、酒驾、闯红灯等违反交通法规,发生厂外道路交通死亡责任事故的,依据道路交通事故调查报告进行责任追究,处理意见报股份公司备案
[单项选择]
A warm-hearted nurse on her first day’s work came to a patient who had come to London for a visit to the famous doctor. She asked the patient whether there was anything that she could do for him. But he only waved his hand, shook his head and said something she couldn’t understand. With a pleasing smile she asked him again and he just kept doing the same and saying the same words, but in about 3 minutes, he closed his eyes. the nurse felt his pulse and found out that the patient had died.
The nurse felt so sorry for the poor patient who had ended his llfe very far away from his home that she ran to the doctor in a hurry and repeated to the doctor the sounds she had heard. "My dear girl," said the doctor after listening to what she repeated,"you’ve just killed him. He was saying, You’ve been standing on my oxygen pipe./
The patient died()
A. because of the doctor
B. because Of the nurse
C. because his illness was too bad
D. because of the wrong medicine he had taken
[判断题]接触网网压过高,机车不能以正常功率运行,辅助机组不能正常工作,在再生制动时很容易使逆变失控。
A.正确
B.错误
[单选题] 开关三极管主要工作在()。
A. 放大区和截止区
B. 饱和区和截止区
C. 饱和区和放大区
D. 以上均不对
[多选题]AJH-3型呼吸器校验仪仪器的构造由两大部分组成:上部为测量单元;下部为供气单元。其中测量单元包括:[ ]
A.小流量计
B.大流量计
C.水柱计
D.手摇泵
[判断题]有价证券是中英财政以信用方式发行的国家公债。
[单选题] 脂溶性维生素包括( )
A.维生素A、D、E、K
B.维生素C
C.叶酸
D.泛酸
[判断题]改变转子电阻调速这种方法只适用于绕线式异步电动机。(1.0分)
A.正确
B.错误
[单选题]某工程商品混凝土的目标产量为500m3,单价720元/m3,损耗率4%。实际产量为550m3,单价730元/m3,损耗率3%。采用因素分析法进行分析,由单价提高使费用增加了( )元。
A.43160
B.37440
C.5720
D.1705
[单选题]下列关于特种买卖合同的表述,错误的是( )。
A.分期付款的买受人未支付到期价款的金额达到全部价款的1/5的,出卖人可以要求买受人一并支付到期与未到期的全部价款或者解除合同
B.试用买卖合同中,买受人已支付部分或全部价款,或对标的物实施了出卖、出租、设定担保物权等非试用行为的,应视为同意购买
C.买卖合同中约定“标的物经过试用或者检验符合一定要求时,买受人应当购买标的物”,属于试用买卖合同
D.互易合同属于双务、诺成合同,若一方当事人还须交付一定金钱,这是附补足金的互易合同,补足金部分应当参照买卖合同中关于支付价款部分的规定处理
[判断题]煤气设备设施严密性验收时,所试验设备设施其泄漏率1小时小于1%。
A.正确
B.错误
[单选题]环境可分为( )
A.物理环境、生理环境及社会环境
B.物质、化学环境、生理环境及社会环境
C.物理环境、生活环境及社会环境
D.物质环境、生活环境及社会环境
E.生存环境、社会环境及物理环境
[判断题]在有分布式电源接入的低压配电网上工作,宜采取带电工作方式
A.正确
B.错误