[多项选择]井下道路设置的牌版、管线等，应当与交通设施保持必要的距离，不得（）。
A. 遮挡路灯、交通信号灯及交通标志
B. 妨碍安全视距
C. 影响通行
D. 遮挡交通信号灯
E. 遮挡交通标志

[判断题]两钢板互相垂直或组成一定角度的铆接称为角接。
A.正确
B.错误

[单项选择]下列（）属于保护性自我管理技能。
A. 呼吸训练
B. 时间管理
C. 与人交流
D. 充分休息

[判断题]工作中有弄虚作假，误导、欺骗行为的，造成不良后果或者影响的，予以警告、记过或者记大过；情节较重的，予以降级或者撤职；情节严重的，予以开除。
A.正确
B.错误

[单选题]当车站需要扣车时紧急情况下( )并及时通知司机。(1.0 分)
A..按压扣车
B..按压紧停
C..MMI 扣车
D..HMI 扣车

[单选题]高层建筑五级火警出动力量编成郊县三到五级供水车辆数应该同时满足2种条件即：不少于（ ）部，并且载水量不小于38吨。
A.1
B.2
C.3
D.4

[单选题]铁浮舱式浮盘内浮顶储罐防火堤与储罐间距大于( )米,超过泡沫管枪最大水平覆盖推进距离,需在防火堤人工筑堤设若干区域,分片灭火。
A. 10米
B. 12米
C. 15米
D. 20米

[单项选择]我国与卫生标准配套的检测检验方法，有国家标准和卫生行业标准。代表卫生行业标准的标准号是（）
A. GB/T16009－1995
B. JJ/T15236－1996
C. JJG/T15002－1995
D. WS/T135－1996
E. JJG15001－1995

[判断题]运输与搬运的区别在于运送量的大小

[多项选择]在我国，基金托管人对基金管理人的投资运作进行监督的依据包括（）。
A. 证券投资基金法
B. 证券监督管理条例
C. 证券投资基金运作管理办法
D. 托管协议的内容与格式

[单选题]OLT设备其中一个PON口下的ONT全部异常离线，最不可能的原因是
A.主干光缆故障
B.分光器故障
C.PON口故障
D.数据配置问题

[单项选择]以列不属于计算机系统软件的是（）。
A. Linux
B. office
C. windows7
D. unix

[填空题]We already live in an ever-communicated world that will only become mere so in the next tech era. We’ve (1) that gets us so much information. We’ve got every second (2) , we’ve get computers and laptops, we’ve get personal organizers and we’re just being (3) and every advance in technology seems to create more and more communications at us. We are sort of (4) .
Research suggests that all the multi-tasking may actually make our brains (5) , producing a world-wide increase in IQ (6) and mere in recent decades. Is there any real benefit in (7) we new have to go through
We’re net becoming a race of (8) , but many de think certain skills are enhanced and certain are net. You knew the ability to (9) , to answer a dozen e- mails in five minutes, or to fill out (10) . That’s enhanced. But when someone is out there with his kids (11) or something like that, he’s got h

[填空题]如果原料气中杂质浓度过高，则应及时缩短（），并适当降低（）。

[单项选择]测定蓝色硫酸铜溶液的吸光度时，应选择（）的滤光片。
A. 蓝色
B. 红色
C. 黄色
D. 绿色

[单选题]57.大闸从运转位推至初制位,列车管( )。
A.减压40KPA
B.减压50KPA
C.减压60KPA

[多选题]线圈中感应电动势的方向不可以根据( )定律,并应用线圈的右手螺旋定则来判定。
A.A.欧姆
B.B.基儿霍夫
C.C.楞次
D.D.戴维南

[判断题]曳引钢丝绳应每月用汽油清洗。
A.正确
B.错误

[填空题]It is difficult to imagine what life would be like without memory. The meanings of thousands of everyday perceptions, the bases 【B1】 the decisions we make, and the roots of our habits and skills are to be 【B2】 in our past experiences, which are brought into the present 【B3】 memory. Memory can be defined as the capacity to keep 【B4】 available for later use. It includes not only "remembering" thing like arithmetic or historical facts, but also any change in the way an animal typically behaves. Memory is 【B5】 when a rat gives up eating grain because he has sniffed something suspicious in the grain pile. Memory is also involved when a six year old child learns to swing a baseball bat. Memory 【B6】 not only in humans and animals but also in some physical objects and machines. Computers, for example, contain devices for storing data for later use. It is interesting to compare the memory storage capacity of a computer 【B7】 that of a human being. The instant access memory of a large c
A. A．called
B．taken
C．involved
D．included

[判断题]公安机关的权力是国家行政权力的重要组成部分，体现着司法行政权力。 ( )

[单选题]减速地点标，设在需要减速地点的两端各（ ）m处。
A.20
B.30
C.50

[单项选择]在产品制造企业中，外购材料的实际成本不包括( )。
A. 材料买价
B. 运输途中材料丢失
C. 外地运杂费
D. 运输途中合理损耗

[单项选择]被认为20世纪自然科学继相对论、量子力学之后的又一伟大革命的科学理论是（）
A. 分子生物学
B. 粒子物理学
C. 系统科学
D. 环境科学

[多项选择]公民、法人和其他组织持（）等合法证明，可以利用城建档案。
A. 介绍信
B. 身份证
C. 驾驶证
D. 信用卡
E. 结婚证

[多项选择]人体活动主要的直接供能物质是
A. 葡萄糖
B. 脂肪酸
C. 磷酸肌酸
D. GTP
E. ATP

[判断题]任何单位将食堂对外承包经营，单位的负责人都要对食品安全负责。
A.正确
B.错误

[判断题]粗锉刀适用于加工余量小、精度要求高和表面粗糙度值较小的工件。( )（中）
A.正确
B.错误

[单选题]带电作业工作票签发人应由具有带电作业资格和（）的人员担任。
A. A.熟悉设备情况
B.B.实践经验
C.C.考试合格
D.D.变电或线路第一种工作票签发人资格

[单选题]在 ISO/0SI 参考模型中，最低层和最高层分别为.;（）
A.传输层和会话层
B.网络层和应用层
C.物理层和应用层
D.链路层和表示层

[单项选择]责任保险的保险标的是被保险人依法承担的（）。
A. 过错致害赔偿责任
B. 行政侵害赔偿责任
C. 刑事侵害赔偿责任
D. 民事损害赔偿责任

[单项选择]There are nations whose lack of contact with the outside with the outside world has（）poverty.
A. fallen into
B. consisted in
C. resulted in
D. come up to

[简答题]什么叫做分裂导线载波通信？

[多选题]下列因素中属于滴定分析法条件的是（）。
A.A.反应单一，组成恒定
B.B.测定的分析误差必须≤5%
C.C.有合适指示剂指示终点
D.D.生成物稳定
E.E.反应速度慢，但可釆用返滴定

[单项选择]In fact Orwell was a deep lover of words who never consciously misused them. If he said he had written a fairy-story (Animal Farm) with a political purpose, we cannot lightly suppose he spoke lightly. A political purpose suggests some kind of moral...There is perhaps a moral for farmers, don’t take to drink and let your animals get out of hand; but even so the villains will be comforted to find that everything comes out all right for them in the end. For the downtrodden animals there is nothing but misery, cruelty, and injustice; and in place of a moral there is only the tragic chorus of the donkey Benjamin... This is not like the kind of moral that tells us to look before we leap or not to count our boobies before they are hatched.
It is just this sense of purposeless cruelty, though, that gives the clue to Orwell’s purpose, as well as to his deadly serious reason for calling Animal Farm a fairy-story. The point about fairy-stories is that they are written not merely without a
A. People suffer because of their ethical demerit and succeed because of their ethical merit.
B. A good girl setting out to do a good deed ends up miserably.
C. A scoundrel escaped punishment because he was good at lying.
D. The prince got through thorn-hedge that surrounded the Sleeping Beauty because he was lucky.

[单选题]电力系统的电压波形应是（ ）波形。
A.正弦
B.余弦
C.正切
D.余切

[判断题]作业人员根据需要可以站在绞磨、卷扬机受力前方。
A.正确
B.错误

[单选题]构成教育活动的两个最基本的要素是（　　）。
A.教师和学生
B.教师和教科书
C.学生和教科书
D.教学内容和手段

[单选题]停止检票时间原则上为线上式车站为开车前（ ）分钟。
A.1
B.3
C.5
D.10

[单选题]商务部2月4日发布,2020年,我国与中东欧17国贸易额达到1034.5亿美元,首次突破千亿美元,增长(),高于同期我国对外贸易增幅
A.8.4%
B.8.5%
C.8.6%
D.8.7%