热门试题:
[单项选择]加油站油罐必须进行（），且接地点不应少于两处。
A. 实行异电位连接
B. 实行等电位连接
C. 防雷接地
D. 实行跨接
[多选题] 根据《治安管理处罚法》的规定，下列做法正确的有（ ）。
A.甲，阻碍当地公安派出所民警收缴淫秽书刊，应依照阻碍人民警察依法执行职务的规定，从重处罚
B.乙，冒充某部队现任班长，在高速公路边上一家加油站出售假冒的军用望远镜，应依照冒充军警人员招摇撞骗的规定，从重处罚
C.丙，伪造当地公安机关的公文，应依照伪造国家机关公文的规定，从重处罚
D.丁，娱乐场所工作人员，在公安派出所即将查处某卖淫窝点时，通风报信，使窝点老板逃避处罚，应依照一般人员通风报信的规定，从重处罚
[判断题]NJ2型机车出现故障警铃报警时,司机可按压停止报警软键消除警铃鸣。
A.正确
B.错误
[判断题]起道钉可以用也可以用石块起钉。（ ）
A.正确
B.错误
[填空题]Of the thousands of different kinds of animals that exist in the world man has learned to make friends with an enormous number. Some are pets, and offer him (26) , some give protection, and some do hard work which man cannot do for himself. Dogs, which serve man in all three (27) , are found in various species in all countries of the world. The (28) of certain countries are dependent for their very lives on the camel. In the West Indies the little (29) , strong and sure-footed, carrying heavy loads even in mountainous places, is a familiar sight.
Trained and tamed for many (30) , domestic animals are not accustomed to roaming in search of food and shelter. They look to their masters to provide for their needs, and (31) these are supplied, they are content to do what their masters require.
All domestic animals need proper food. It must (32) them, sufficient in quantity, fresh and clean. The (33)
[单选题]油浸式变压器的油顶层允许最高温升是：（ ）。A.50K B.60K C.70K D.80K
A.A
B.B
C.C
D.D
[判断题]联程套票是指为了方便旅客出行，在始乘站一次性把至目的站行程所需车票办理完毕的售票组织模式。
A.正确
B.错误
[多选题]肝性脑病的主要表现有：
A.高热
B.意识障碍
C.腹痛
D.行为失常
E.昏迷
[单选题]专项施工方案实施前，（）或者项目技术负责人应当向施工现场管理人员进行方案交底。
A.技术员
B.安全员
C.编制人员
D.项目经理
[多选题]电缆敷设及接线，应注意以下事项（）。
A.电缆敷设时应设专人统一指挥，指挥人员指挥信号应明确、传达到位
B.拐角处作业人员应站在电缆外侧，避免电缆突然带紧将作业人员摔倒
C.电缆通过孔洞时，出口侧的人员不得在正面接引，避免电缆伤及面部。上下竖井应系安全带
D.电缆剥皮应注意刀口方向及钢铠切口，防止划伤手掌；电缆剥皮还应注意不得伤及芯线绝缘层，防止直流失地
E.电缆绑扎牢固可靠，垂直敷设的电缆应重点检查绑扎的可靠性，防止绑扎位置松脱，导致大量电缆松脱引起人身及电网事故
F.略
[单项选择]急性胰腺炎发病12小时以内，哪一项实验室检查诊断比较准确（）。
A. 血钙
B. 血糖
C. 血淀粉酶
D. 血脂肪酶
E. 尿淀粉酶
[判断题]机器人示教点的插补方式是指从前一示教点移动到当前示教点的动作类型。( )
A.正确
B.错误
[多项选择]以下（）不是作者在《毕业生》文章当中描写的毕业的生存状态。
A. 女生织毛衣
B. 早早去吃饭
C. 经常给家里写信
D. 抓住最后的时间到教室学习
[单选题]矿用汽车卸货时如有红旗、红灯指示时,应( )卸货。
A.方可
B.停止
C.视具体情况
[单选题]挖坑弃土在坑口（ ）以外。
A.0.6m
B.1m
C.0.8m
D.0.5m
[多项选择]Which two statements are true about the relationship between static NAT and proxy ARP? （）(Choose two.)
A. It is necessary to forward ARP requests to remote hosts.
B. It is necessary when translated traffic belongs to the same subnet as the ingress interface.
C. It is not automatic and you must configure it.
D. It is enabled by default and you do not need to configure it.
[判断题]当事人一方因第三人原因造成违约的， 应当向对方当事人承担违
约责任。
A.正确
B.错误
[单项选择]勘察设计咨询业知识产权的归属认定原则不包括( )。
A. 设计单位名称的归属
B. 商标权的归属
C. 商业秘密的归属
D. 专利权的归属
[判断题]紧急抢修工作指设备设施在日常运行或自然灾害情况下，发生故障停运或紧急缺陷后，且需立即进行的紧急修理等处置工作。
A.正确
B.错误
[单选题]( )B747-8i 型飞机共有 部滑梯/救生船。
A.6
B. 8
C.10
D.12
[单选题]连接终端和数字专线的设备CSU/DSU被集成在路由器的（ ）端口中。
A.RJ-45端口
B.同步串口
C.AUI端口
D.异步串口
[单选题]《中国人民银行中国银行保险监督管理委员会关于实施银行业金融机构金融消费者投诉统计分类及编码行业标准的通知（银发〔2018〕243号）》提出，系统应满足的要求不包括（）。
A.投诉受理与处理信息的实时更新
B.投诉受理与处理过程的全程留痕
C.投诉受理与处理过程的全程录音
D.投诉信息的查询、检索、汇总、分析和报表生成等功能
[填空题]在缓解和解决IP地址耗尽问题的措施中，______可以把大的网络分成小的子网，______可以实现本地地址和外部地址的转换，例如把子网掩码为255.255.0.0的网络61.31.0.0分为两个子网，假设第一个子网为61.31.0.0/17，则第二个子网为______。假设有1000台主机，如果分配一个网络号为202.32.64.0地址，则子网掩码为______；假设C类网络号为202.31.16.04202.31.31.0，则相应的子网掩码应为______。
[单项选择]急性扭伤的早期进行大剂量超短波治疗可能产生的反应是
A. 制止出血
B. 加速渗出水肿吸收
C. 肿痛加重
D. 加速组织修复
E. 防止感染
[单选题]ZYJ7-120/4200电液转辙机溢流时拉力约为( )。
A.2.5kN
B.2.7kN
C.3kN
D.5.5kN
[单选题]工作负责人若因故暂时离开工作现场，他应该：（）。
A.A.指定一名有责任心的人员临时代替
B.B.任意指定一名工作人员代替
C.C.指定能胜任的人员临时代替，离开前应将工作现场交代清楚，并告知工作班成员
D.D.直接离开
[单项选择]Rise in Number of Cancer Survivors
Cancer is the second leading cause of death in the United States,after heart disease.In the (51),it was often considered a death sentence.But many patients now live longer(52)of improvements in discovery and treatment.
Researchers say death(53)in the United States from all cancers combined have fallen for thirty years.Survival rates have increased for most of the top fifteen cancers in both men and women,and for cancers in(54).
The National Cancer Institute and the Centers for Disease Control and Prevention studied the number of cancer survivors.A cancer survivor is defined(55)anyone who has been found to have cancer.This would include current patients.
The study covered the period(56)1971 to 2001.The researchers found there are three(57)as many cancer survivors today as there were thirty years ago.In 1971,the United States had about three-million cancer(58).Today there are about ten-million.
The study also found that 64% of adults
A. older
B. old
C. younger
D. young
[单选题]齐步行进时，左脚向前方迈出约()厘米，按照先脚跟后脚掌的顺序着地，同时身体重心前移，右脚照此法动作。
A.60
B.75
C.80
D.85
[判断题]SDH的中文含义是同步数字体系。
A.正确
B.错误
[多选题]专用电话系统各站之间使用的线缆包括（）
A.光纤
B.20P电缆
C.E1线
D.同轴电缆
[判断题]班组管理应在提高职工素质上很下工夫。要十分重视每个人能力的发挥，最主要是发挥创造能力、专业技术能力、合理交往能力、实践操作能力和相互合作能力。
A.正确
B.错误
[多项选择]加热炉注水（汽）量过大会造成（）。
A. 炉管结焦倾向增大
B. 辐射渣油入炉压力上升
C. 分馏塔顶分液罐污水量增加
D. 处理量增大
[单项选择]
A transport layer protocol has several responsibilities. One is to create a process-to-process (program-to-program) communication, TCP uses port (1) to accomplish this. Another responsibility of a transport layer protocolis to create a (2) and error-control mechanism at the transport level. TCP uses a sliding(3) protocol to achieve flow control. It uses the acknowledgment packet, time-out, and retransmission to achieve(4) control. The transport layer is also responsible for providing a connection mechanism for the application program. The application program sends (5) of data to the transport layer. It is the responsibility of the transport layer at the sending station to make a connection with the receiver.
空白（4）处应选择（）
A. packet
B. time
C. error
D. phase
