热门试题:
[单选题] 施工、维修及各种上道检查巡视作业,应严格遵守作业人员和机具( )制度,采取措施保证邻线列车和施工作业人员安全。 (0.5分)
A.避车
B.上道
C.携带
D.装配
[填空题]由于函数极值点的必要条件是函数在这一点的()的模为零,因此当迭代点的函数梯度的模已充分小时,则认为迭代可以终止。
[单选题]肾小球肾病的主要临床特点是( )
A.肾功能减退
B.出血性膀胱炎
C.大量蛋白尿
D.高血压
E.尿中纤维蛋白降解产物增加
[判断题]ZPW-2000A型无绝缘移频自动闭塞区段禁停标志牌在复线分割点,两个禁停标志牌正方向运行设在线路右侧,列车反方向运行设在线路的左侧.
A.正确
B.错误
[单项选择]妊娠合并心脏病的孕产妇在妊娠期易发心衰的时间是()。
A. 20周~24周
B. 26周~28周
C. 32周~34周
D. 35周~36周
E. 37周~39周
[单项选择]若V被分配到2号长凳,W被分配到4号长凳,则下面哪一项一定正确( )
A. F被分配到1号长凳。
B. G被分配到1号长凳。
C. H被分配到3号长凳。
D. X被分配到1号长凳。
[单选题]CCBⅡ制动机“第四步闸”单阀“全制”直接移至“运转”位:制动缸压力在3~5s降到()kPa以下
A.10
B.35
C.45
[判断题]旅客列车出库前应进行持续一定时间的全部试验
A.正确
B.错误
[单项选择]下列无中枢抑制作用的药物是()
A. 氯丙嗪
B. 苯茚胺
C. 苯巴比妥
D. 氯苯那敏
E. 阿司咪唑
[单项选择]Reading 4 "The Digital Divide"
The Challenge of Technology and Equity
Information technology is influencing the way many of us live and work today. We use the Intemet to look and apply for jobs, shop, conduct research, make airline reservations, and explore areas of interest. We use e-mail and the Internet to communicate instantaneously with friends and business associates around the world. Computers are commonplace in homes and the workplace.
→ Although the number of tnternet users is growing exponentially each year, most of the world’s population does not have access to computers or the lnternet. Only 6 percent of the population in developing countries are connected to telephones. Although more than 94 percent of U.S. households have a telephone, only 42 percent have personal computers at home and 26 percent have Intemet access. The lack of what most of us would consider a basic communications n
A. Square A.
B. Square B.
C. Square C.
D. Square D.
[单项选择]When dealing with customers on the phone that are not very comfortable with technology, which of the following techniques would be MOST helpful to ensure that effective communication is taking place?()
A. Frequently paraphrase what the caller is saying.
B. Repeat what is being said multiple times so that the customer can understand exactly what to do.
C. Speak very slowly when replying to the customer.
D. Tell the customer to send an email stating exactly what the problem is so that the communication between the two parties is clear.
[单项选择]
A. strolling
B. sauntering
C. wandering
D. patrolling
[单项选择]列途径中是介入手术中最常用的穿刺途径的是:( )
A. 桡动脉
B. 肱动脉
C. 股动脉
D. 颈总动脉
E. 锁骨下动脉
[单项选择]保险公估机构应当对本机构的业务人员进行培训和教育,培训教育的课程应当符合中国保监会有关标准。这些培训和教育的内容包括()等。
A. 保险法律知识
B. 业务知识
C. 职业道德教育
D. 以上都是
[单项选择]某患者,男性,30岁,肺炎。查体:体温35.9℃,血压60/40mmHg,脉搏136次/分,治疗除控制感染外,首要的处理应该是()
A. 使用强心剂
B. 补充血容量
C. 使用血管活性药物
D. 使用利尿剂
E. 使用大剂量肾上腺皮质激素
[单项选择]Of all the areas of learning the most important is the development of attitudes. (1) reactions as well as logical thought (2) affect the behavior of most people.
The burnt child fears the fire is one instance; the (3) is the rise of despots(暴君) like Hitler. Both these examples point up the fact that (4) stem from experience. In the one case the experience was direct and (5) ; in the other it was indirect and cumulative. The Nazis were indoctrinated(灌输) (6) by the speeches they heard and the books they read.
The classroom teacher in the elementary school is in a strategic position to (7) attitudes. This is true partly because children (8) attitudes from those adults whose word they (9) .
Another reason is that pupils often delve somewhat deeply into a subject in school that has only been touched upon at home or has possibly never (10) to them before. To a chil
A. some
B. one
C. other
D. another
[判断题]法律委员会根据各代表团和有关专门委员会的意见,统一审议法律案。( )
A.正确
B.错误
[判断题]技术保障主要包括有:闭路电视监控系统、报警系统、网络系统、无线通讯及GPS卫星定位系统和防卫防护器材等技术防范设施.( )
A.正确
B.错误
[多选题]搅拌站设置的原则是( )。
A. 搅拌站应有后上料场地
B. 搅拌站尽可能设置在垂直运输机械附近
C. 搅拌站场地四周应当设置沉淀池、排水沟
D. 搅拌站应挂设操作规程、安全标志、混凝土配合比牌等
E. 搅拌站应搭设防护棚
[判断题]( )护轨伸缩接头的最大伸缩量应与调节器设计伸缩量一致。
A.正确
B.错误
[单选题]多轴飞行器一般使用的电池是
A. 聚合物电池
B. 铅酸电池
C. 银锌电池
[单项选择]
混合航线是为了避开恶劣水文气象条件而采用的最短航程航线,通常有下列哪几种航线组成()。
Ⅰ.大圆航线;Ⅱ.恒向线;Ⅲ.等纬圈;Ⅳ.气象航线;Ⅴ.气候航线。
A. Ⅰ,Ⅱ,Ⅳ
B. Ⅰ,Ⅲ
C. Ⅰ~Ⅴ
D. Ⅱ~Ⅴ
[单项选择]男性,20岁,急性病毒性心肌炎住院2周,24h动态心电图监测结果:Ⅲ度房室传导阻滞,心率为40次/min,此时处理是()
A. 人工心脏起搏
B. 异丙肾上腺素静脉点滴
C. 激素治疗
D. 维持原治疗
E. 干扰素治疗
[多选题]向封锁区间发出救援列车时,行车凭证为( )
A.路票
B.调度命令
C.列车调度电话不通时,为车站值班员的命令
D.红色许可证
[单选题]当塔式起重机使用周期超过一年时,( )。
A. 无须检查,可继续使用
B. 使用单位自检合格后方可继续使用
C. 请第三方检测机构进行一次全面检查,合格后方可继续使用
D. 租赁单位检查合格即可继续使用
[单选题]当机组在驾驶舱中突然闻到刺鼻、烧焦的气味,机组首先应怀疑为:
A.电子舱烟雾
B.空调系统烟雾
C.锂电池冒烟
D.前货舱烟雾
[判断题]调车作业繁忙车站,牵出线与其相邻线线间最小距离为6500mm。
A.正确
B.错误
[判断题]总队每半年,支队每季度,大队以下单位每月,应当组织1 次综合检查。针对安全管理中的倾向性问题或者重大安全隐患,适时组织专项检查。( )
A.正确
B.错误
[单选题]作业人员违反劳动纪律、作业纪律耽误列车,未构成一般 C 类以上事故的,为一般(??? ) 类事故。
A.A
B.B
C.C
D.D
[单选题] 火灾隐患是指违反或不符合()、法规,具有火灾危险性,可能造成火灾,需要限期或立即改正的情形。
A.法律
B.法则
C.准则
D.消防法律
[判断题]电流互感器的误差是指互感器的比差和角差。
A.正确
B.错误
[填空题]Three Main Literary Forms
Ⅰ. Poetry
Essential features:
--evoking (1) (1)______
--creating a(n) (2) (2)______
--imagination
--leading to new (3) , new feelings and experience (3)______
Ⅱ. Fiction
A. Short story
Definition: a relatively brief (4) (4)______
--subject matter: single incidents in daily life
--essential features: (5) , unity and (5)______
(6) (6)______
B. Novel
One important technique: (7) (7)______
Three methods:
--explicit presentation through (8) (8)______
--presentation of character in (9) (9)______
presentation from within a character
Ⅲ. Drama
Origin: ancient Greek festival activities
Structures of a play
--exposition<
[判断题]T-MPLS的线性保护1+1单向保护倒换时间可以不小于50ms。
A.正确
B.错误
[判断题]叠加定理不仅能叠加线性电路中的电压和电流,也能对功率进行叠加
A.正确
B.错误
[多选题]灭火救援中消防车辆停靠严禁在()。
A.松软
B.路基薄弱的地带
C.高压线下
D.危险建(构)筑物旁
[判断题]对烧伤人员的急救应迅速扑灭伤员身上的火,尽快脱离火源。
A.正确
B.错误
[单项选择]通信网的三大支撑网是那三大网?()
A. 接入网、城域网、广域网
B. 传输网、交换网、数据网
C. 信令网、同步网、管理网
[单项选择]关于麻疹的预防,不正确的是()
A. 患者隔离一般至出疹后5天,并发肺炎者至出疹后10天
B. 易感儿接触患儿后,从第1天起隔离观察直至出疹后21天
C. 易感儿接触患儿后用过被动免疫制剂者,应延长隔离期至28天
D. 易感儿接触患儿后5天内肌内注射麻疹免疫球蛋白,可免于发病
E. 自动免疫,免疫力维持3~4周