热门试题:
[多选题]联锁系统开放信号的条件有（）。
A.信号机没有故障
B.敌对进路没有建立
C.区段没有故障
D.DCS通信正常
E.ZC故障
[单项选择]以心理学的手段和方法，对学生个人或群体的心理进行鉴定、分类与诊断的过程称为（）
A. 心理治疗
B. 心理评估
C. 心理咨询
D. 心理卫生
[单选题]车站值班人员、列车调度员接到关于设备故障、不良的信息后，须认真登记（），并根据设备故障现象，通知设备管理单位进行检查、处理。
A.《行车设备检查登记簿》
B.《行车设备施工登记簿》
C.《巡视检查指导簿》
[多选题]消防救援队伍处置的交通救援事故主要包括以下( )(总队作战指挥中心业务学习手册)
A.公路交通事故
B.铁路交通事故
C.船舶事故
D.隧道塌方事故
[单项选择]冷菜装盘时的用料要做到大料大用，小料小用，( )，保质保量。
A. 边角料充分利用
B. 边角料另作他用
C. 边角碎料不用
D. 边角碎料不能代用
[多选题]工作票签发人应由熟悉人员技术水平、熟悉（）、熟悉本规程，并具有相关工作经验的生产领导、技术人员或经本单位批准的人员担任，名单应公布。
A.配电网络接线方式
B.工作范围内的设备情况
C.设备情况
D.现场运行规程
E.略
F.略
[单选题]以下关于农银理财灵珑公募净值型理财产品的说法错误的是
A. 业绩比较基准不构成收益承诺
B. 提供本金担保
C. 金融机构同业客户不可购买
D. 面向不特定社会公众销售
[多项选择]对于宽塑性心墙坝的测压管布置，可在心墙内布置1～2条，在（）各布置一条。
A. 上游坝肩
B. 下游坝肩
C. 排水体上游端
D. 心墙下游侧
[单项选择]桂枝去芍药加蜀漆牡蛎龙骨救逆汤适用于（）
A. 心阳虚惊悸证
B. 心阳虚心烦证
C. 心阳虚惊狂证
D. 心阳虚奔藤证
E. 心阳虚谵语证
[多项选择]国华贸易公司委托协作公司供销员孙大圣代定购销合同，但未给予正式授权委托书，在下列哪些情况下，国华贸易公司应受合同约束( )
A. 孙大圣用国华贸易公司的合同专用章签订合同
B. 孙大圣用国华贸易公司出具的介绍信签订合同
C. 孙大圣未持国华贸易公司任何授权委托证明签订合同，事后，该公司也未盖公章，但国华贸易公司已经开始履行合同
D. 孙天圣用加盖国华公司公章的空白合同书订立合同
[单项选择]催化反应有GTP参与( )
A. 葡萄糖-6-磷酸酶
B. 磷酸烯醇式丙酮酸羧激酶
C. 丙酮酸激酶
D. 果糖二磷酸酶
E. 丙酮酸羧化酶
[简答题]某社区是一个农村社区，经济水平低，该社区5岁以下儿童生长迟缓率为29．3%，低体重率为15．6%。当地由于近年来持续干旱，粮食供应不足。6月龄后即时添加辅食只有50%，5岁以下儿童的父母缺乏营养知识。可以采取哪些干预措施？
[判断题]TCP协议可以提供全双工的数据流传输服务。（）
A.正确
B.错误
[判断题]【51013】一次设备含变压器。 ( )
A.正确
B.错误
[单选题] 导致爆破事故的人为因素主要是爆破作业人员( )安全意识淡薄和违章作业。
A. 人数太少
B.安全技术差
C.项目经理不在场
[单选题]一级土壤侵蚀类型区下又以地质、地貌、土壤为依据(形态学原则)划分二级类型区，共分( )个二级类型区。
A.7
B.8
C.9
D.10
[单项选择]不符合急性水肿型胰腺炎的临床特征是（）
A. 腹痛
B. 恶心、呕吐及腹胀
C. 发热
D. 低血压和休克
E. 水电解质紊乱
[单项选择]根据中国加入WTO的承诺，中国加入WTO三年内，外国证券公司设立合营公司从事我国证券投资基金管理业务时，外资比例不超过( )。
A. 17%
B. 33%
C. 49%
D. 80%
[单选题]（ ）须根据翻车机、解冻库以及装卸机具对车辆损坏等情况，制定技术交接检查范围和质量标准。
A.铁路总公司
B.铁路局集团公司
C.车辆段
D.车辆处
[判断题]308.(83037)压力表损坏后应进行校验，工作压力一定要在量程的1/3～2/3之间。
A.正确
B.错误
[多选题]制定《铁路货运检查管理规则》的法律法规依据包括（）。
A.《铁路安全管理条例》
B.《铁路技术管理规程》
C.《中国铁路总公司安全管理规定》
D.《铁路货运安全管理规则》
[单项选择]In ships where the engine room is designed as UMS, temperature sensors are fitted at critical points within the scavenge spacesActivation would cause automatic （）of the engine.
A. stop
B. start
C. speed up
D. slow down
[判断题]CRH380B型动车组抗侧滚扭杆损坏或连杆螺栓（螺纹）联接损坏，最高限制速度10km/h。
A.正确
B.错误
[单选题]为了保证氢冷发电机的氢气不从两侧端盖与轴之间逸出,运行中要保持密封瓦的油压 ()氢压。
A.大于
B.等于
C.小于
D.近似于。
[判断题]霍尔式凸轮轴位置传感器波形是直流波。( )
A.正确
B.错误
[判断题]磨钨棒时，应戴上口罩，手套，站在砂轮侧面操作。
[多选题]装置引入燃料前,应严格对燃油管道进行( )。
A.气密性试验
B.水压试验
C.负压试验
D.静压试验
[多选题]QQ0.5-80组合钳式起重器的结构有（ ）。
A.油箱
B.堵头
C.手柄
D.防尘橡胶管
E.活塞
[单选题](1分) 首次充装或更换瓶阀、易熔合金塞的乙炔瓶用氮气置换合格后还应用乙炔置换，乙炔置换压力宜小于。
A.0.3MPa
B.0.2MPa
C.0.1MPa
[单选题]限速运行方案应在取消限速后至少保存几个月
A.1
B.2
C.3
D.6
[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.
Thom
A. Edison was curious in nature
B. Edison's mother played an important role in his life
C. Edison is a great inventor because he is deaf
D. Edison could create new things in two weeks
[单项选择]决定80386总线周期类型的信号主要有兰个，请回答：执行I/O数据写周期时这些信号的状态为( )。
A. 高低 低
B. 高 高 低
C. 低 低 高
D. 低 高 高
[单项选择]内源性哮喘最常见的类型是（）
A. 感染性哮喘
B. 精神性哮喘
C. 阿司匹林哮喘
D. 运动性哮喘
E. 过敏性哮喘
[单项选择] Black Holes
Most scientists agree that black holes exist but are nearly impossible to locate.A black hole in the universe is not a solid object,like a planet,but it is shaped like a sphere (球体).Astronomers(天文学家)think that at the center of a black hole there is a single point in space with infinite(无限的)density(稠密).This single point is called a singularity (奇点).If the singularity theory is correct,it means that when a massive star collapses,all the material in it disappears into the singularity.The center of a black hole would not really be a hole at all,but an infinitely dense point.Anything that crosses the black hole is pulled in by its great gravity.
Although black holes do exist,they are difficult to observe.These are the reasons.
● No light or anything else comes out of black holes.As a result,they are invisible to a telescope.
● In astronomical terms,black holes are truly.For example,a black hole formed by the collapse of a giant star would have an event horizon(视
A. Right
B. Wrong
C. Not mentioned
[单项选择]Summer holidy camps(夏令营) for children began in the USA over sixteen years ago.Today there are (41) than 8000 summer camps in the United States and every year (42) four million children pass through their gates (43) June and August. Some (44) By bus every clay from the nearest town. (45) stay as campers for one or two weeks. Quite a lot of children go off to camp (46) the whole of the summer holiday. The people there are young and (47) .There is good food and lots of interesting things (48) In many camps children learn things (49) cooking and drawing pictures. Every evening there are camp fires and games. Everyone goes to bed (50) but happy.
A. on
B. in
C. for
[判断题]使用锯床时，工件应夹牢，长的工件两头应垫牢，并防止工件锯断时伤人。（）
A.正确
B.错误
[单选题] 蓄电池除了浮冲电方式外,还有( )运行方式。[1.0分]
A. 充电
B. 充电-放电
C. 放电
D. 随意
