热门试题:
[单选题]取心进尺小于取心内筒长度（ ）以上，合理选择割心位置(一般选择在泥质岩地层或较致密的砂质岩地层割心。
A.1米
B.2米
C.0.5米
D.0.2米
[填空题]《高速铁路有砟轨道线路维修规则》第3.7.5条规定:尖轨、可动心轨拱腰,造成与滑床台间隙超过（ ）mm。应进行修理或更换。A、0.5B、1C、2D、3
[单选题]攂电气集中四线制道岔定位无表示，定位表示继电器颤动，说明
A. 室外开路
B. 室内表示电路电容故障
C. 室内继电器开路
D. 室外二极管开路
[单项选择]我国革命、建设、改革的根本问题是（）
A. 农业、农村、农民问题
B. 工业化、城市化、市场化问题
C. 工农、城乡、脑力劳动和体力劳动之间的差别问题
D. 沿海与内地、东部与中西部、重工业和轻工业的协调发展问题
[判断题]继电保护装置中电流继电器接在电流互感器的二次测。( )
A.正确
B.错误
[单项选择]出自汉代张仲景《伤寒杂病论》的内容是（）。
A. "启我爱医术，复爱世间人，愿绝名利心，尽力为病人。"
B. "医本活人，学之不精，反为夭折。"
C. "先知儒理，然后方知医理……。"
D. "我愿尽余之能力及判断力所及，遵守为病家谋利益之信条。"
E. "留神医药，精通方术……以善其生。"
[判断题]煤矿必须设专职人员负责便携式甲烷检测报警仪的充电、收发及维护。
A.正确
B.错误
[多选题]董事(理事)和高级管理人员任职资格的基本条件包括个人及家庭财务稳健,具备担任职务所需的独立性,下列哪些情形视为不符合上述规定( )
A.本人或其配偶有数额较大的逾期债务未能偿还
B.本人及其近亲属合并持有该金融机构5%以上股份,且从该金融机构获得的授信总额明显超过其持有的该金融机构股权净值
C.本人及其所控股的股东单位合并持有该金融机构5%以上股份,且从该金融机构获得的授信总额明显超过其持有的该金融机构股权净值
D.本人或其配偶在持有该金融机构5%以上股份的股东单位任职
[判断题]命令w=conv（u，v）表示多项式u和v相乘。
[单选题]32007】N型半导体中,电子数目多于空穴数目,其导电能力主要由电子决定,所以称为()型半导体。 ( )
A.空穴
B. 电子
C.光敏
D. 热敏
[单项选择]鼻咽癌经破裂孔侵入颅内，最先侵犯哪两对颅神经（）。
A. 第Ⅲ和第Ⅴ颅神经
B. 第Ⅴ和第Ⅵ颅神经
C. 第Ⅵ和第Ⅳ颅神经
D. 第Ⅴ和第Ⅶ颅神经
E. 第Ⅵ和第Ⅶ颅神经
[单项选择]男性，29岁。高处坠落2小时后送至医院。主诉胸背部疼痛，双下肢不能活动。检查发现，胸11椎体爆裂骨折，椎体压缩1/2，椎管内有较大骨块，伴关节突交锁。最佳的治疗方案应是（）
A. 手术切开复位，椎管减压，脊柱内固定术
B. 两点法过伸复位，石膏背心固定
C. 行椎板切除、椎管减压术
D. 激素、脱水药物治疗
E. 先保守治疗，根据情况再确定治疗方式
[填空题]设备运行中需要每隔（）分钟检查控制板上各表的读数，不准超出额定的范围，检查冷却系统，如发现有漏水或堵塞现象应停炉予以排除，以免（）被烧。
[单选题]区段列检所对始发列车,应对列车自动制动机进行( )试验。
A.全部
B.简略
C.部分
D.持续一定时间的全部
[单选题]对电力线路的基本要求是：架空线路由于长期置于露天运行，线路的各元件除受正常的电气负荷和机械荷载作用外，还受到风、雨、冰、雪、大气污染、雷电等自然和人为条件的作用，要求线路各元件应有足够的（ ）。
A.机械和绝缘强度
B.机械强度
C.机械和电气强度
D.绝缘和电气强度
[单项选择]溃疡性结肠炎结肠镜下活动期表现为（）。
A. 假息肉
B. 结肠袋变钝或消失
C. 黏膜表面糜烂、溃疡、隐窝炎、隐窝脓肿
D. 隐窝结构紊乱
E. 桥状黏膜
[判断题]机场控制区通行证即是门禁卡。( )
A.正确
B.错误
[简答题]下摆臂上的（）能防止滚轮损坏时门页下部脱出。
[单选题]运营集团《安全生产隐患排查治理制度》中规定，运营集团较大隐患治理责任人为（），（）监督整改。
A. 各室负责人、各部门负责人
B.各部门负责人、各部门分管领导
C.各部门分管领导、运营集团安委会
D.运营集团安委会、轨道交通集团安委会
[单选题]女性,60岁。跌倒致右股骨颈骨折,现给予持续皮牵引处理。该病人最易发生的并发症是( )
A.休克
B.右坐骨神经损伤
C.髋关节创伤性关节炎
D.右股骨头缺血性坏死
E.骨化性肌炎
[多选题]水环式真空泵启动前检查内容（ ）。
A.联轴器盘车
B.电机转向是否正确
C.密封是否有泄漏
[单项选择]INC指令不影响（）标志。
A. OF
B. CF
C. SF
D. ZF
[单项选择]实现人类和自然界的( )，是人类社会共同关注的重大问题。
A. 永久发展
B. 可持续发展
C. 健康发展
D. 稳步发展
[单项选择]公安信息移动应用系统软件主要有哪些模式？（）
A. C/S计算模式、短信息模式
B. B/S计算模式、短信息模式
C. 以上都是
D. 以上都不是
[单选题]作为员工，发生恐怖袭击时，遇到躲避的旅客应当( )。
A.及时远离，避免麻烦
B.指引安全方向、提供庇护场所
C.通知其他工作人员
D.保持沉默，不予理睬
[单选题]蓄电池在机房交流电源正常时，与整流器（ ）运行。
A.串联
B.各自独立
C.同步
D.并联
[不定项选择题]共用题干
Working for Fun and Profit
1.It's a sunny weekend morning. You decide to take a walk.Everything is quite except for a.group of people and some colorful objects you see about three blocks away.As you get closer,you notice that there are many things lying on the ground:some National Geographic magazines,a collection of toy trucks,some weight lifting equipment,two bicycles,and a set of chairs.People are parking cars,getting out,and looking over the objects in the driveway.You consider taking a detour around the group of people,but you are curious.Was there an accident?Is this a party?No!Welcome to your first garage sale!
2.On the same morning,a friend of yours takes a drive.He makes a mistake at an intersection and takes a wrong turn.He passes a large parking lot full of people,not cars.He sees many multicolored objects.At first he thinks it's an art show. Then he decides it's a fair. He parks his car and gets out to explore.He's just arrived at his first flea market.
3.Garage sales and flea market are popular in the United States.Many Americans find that they can make a little extra money and have fun being"weekend entrepreneurs”.They take outgrown clothing,appliances,toys,and books and resell them at garage sales and flea markets.
4.Flea markets are generally open spaces in or out of town that become busy sales centers on weekends.People who want to sell new or used clothing,tools,furniture,or books rent a space for the day for a small amount of money and sell their merchandise.Shoppers from near and far come to get good buys on imported watches,house plants,magazines,microscopes,children's clothes,and handmade goods such as embroidered pillowcases or jewelry.Some shoppers even buy and sell antiques.They search flea markets for special treasures that they can resell in their own stores for lots of money.
5.Garage sales are smaller than flea markets,and the merchandise consists mainly of household items.Dishes,pots and pans,coat hangers,and children's clothing are inexpensive and common at garage sales. People frequently have garage sales before they move and on weekends when the weather is nice.Sometimes several families gather their unwanted household goods and sell them together. More merchandise attracts more customers.
6.Cleaning,organizing,pricing,and moving merchandise is hard work,but the popularity of flea market and garage sales proves that many Americans work for fun!
All sorts of things are bought and sold in the flea markets,even hair pins.
A.Right
B.Wrong
C.Not mentioned
[单项选择]人生六大阶段的开始是（）。
A. 出世
B. 齐家
C. 立身
[判断题] 轨道交通车辆客室车门数量多且操作频繁,车门状态的好坏将会直接影响运营品质,因此保证车辆客室车门的安全与可靠至关重要。( )
A.正确
B.错误
[判断题]中性点直接接地的三相系统，当发生单相接地时，通过大地和中性点构成回路，将产生很大的短路电流。
A.正确
B.错误
[判断题]《安全生产法》规定，承担安全评价.认证.检测.检验工作的机构，出具虚假证明的，没收违法所得；违法所得在十万元以上的，并处违法所得二倍以上五倍以下的罚款；没有违法所得或者违法所得不足十万元的，单处或者并处十万元以上二十万元以下的罚款。( )
A.正确
B.错误
[单项选择]
Charlie Bucket was a small boy in a very poor family. (61) once a year, on his birthday, did Charlie ever get to (62) a bit of chocolate. The whole family saved (63) their money for that special (64) , and when the great day arrived, Charlie was always presented (65) one small chocolate bar to eat all (66) himself.
And each time he received it (67) those marvelous birthday mornings, he would place it (68) in a small wooden box that he owned, and (69) it as thought it were a bar of (70) gold; and for the next few days, he would (71) himself only to look at it, (72) never to touch it. Then at last, (73) he could stand it no longer, he would strip a (74) bit of the paper wrapping(包装材料) at one corner to (75) a tiny bit of chocolate, and (76) he would take at tiny amount of it-just (77) to allow the lovely sweet taste to spread out slowly over his (78)
A. or
B. except
C. while
D. but
[判断题][判断]建筑施工企业应当建立重大危险源监控、公示制度。
A.正确
B.错误
[多项选择]各类投资项目可行性研究的内容及侧重点因行业特点而差异很大，但一般应包括一些相同的内容，下面哪些属于这些内容( )。
A. 投资必要性
B. 技术可行性
C. 组织可行性
D. 管理可行性
E. 风险因素及对策
