热门试题:
[单选题]中央八项规定提出,要改进( ),切忌走过场、搞形式主义;要轻车简从、减少陪同、简化接待。
A.工作作风
B.调查研究
C.会风
D.文风
[判断题]重大危险源和重大隐患是相同的。 ( )
A.正确
B.错误
[单选题] 四线制道岔表示电路采用反向电压不小于( )V,正向电流不小于300mA的整流元件。
A.500
B.800
C.1000
D.1200
[单选题]线路发生故障时,如设有固定信号机,应先使其显示( )信号。
A.停车
B.减速
C.注意
[简答题]第8届亚运会原定由哪一地方举办,因何原因改在什么地方举办?
[单选题]对简单型腔类零件进行精加工时( )。
A.先加工底面,后加工侧面
B.先加工侧面,后加工底面
C.只加工底面,不用加工侧面
D.只加工侧面,不用加工底面
[判断题]根据《上海市建设工程质量和安全管理条例》的规定,建筑市场管理应当坚持统一、开放、公平、公正的原则。
A.正确
B.错误
[简答题]简述浆状炸药、水胶炸药和乳化炸药的共同特点和区别?
[单选题]普速线路,本线来车,Vmax≤60km/h时,不小于( )m下道完毕。
A.800
B.500
C.1400
D.2000
[单选题]在一个变电站中110kV母线电压互感器和220kV母线电压互感器零相N600共用,其N600的接地点( )。
A.必须分别在各自的场地端子箱内接地
B.在110kV母线电压互感器端子箱和保护室内接地
C.在220kV母线电压互感器端子箱和保护室内接地
D.必须在电压回路公用切换屏上一点接地
[判断题]当电容器的电容值一定时,加在电容器两端的电压频率越大,容抗越小。
A.正确
B.错误
[单选题]关于道路普通货物运输行车前的安全操作要求,下列说法中错误的是( )。
A.运输经营者和驾驶员出车前应熟悉行车路线和行车计划
B.出车前应检查驾驶员的生理、心理状况是否适合此次运输任务
C.应按照操作规程做好出车前的车辆检查,并如实填写车辆日常检查表
D.货物包装是否完好属于托运人的责任,出车前承运人无需外观检查
[判断题]高压回路上的工作,必须要拆除全部或一部分接地线后始能进行工作者,如果是根据调控人员指令装设的接地线,应征得工作负责人的许可,方可进行。
A.正确
B.错误
[单选题]扣件式钢管脚手架各杆件端头伸出扣件盖板边缘的长度不应小于()mm。
A.80
B.100
C.120
D.150
[单选题]造成30人以上死亡为()事故。
A.特别重大
B.重大
C.较大
D.一般
[单项选择]思维的指向不拘泥于单一的方向去分析、探索问题的思维方式,称为()
A. 弹性思维
B. 多元思维
C. 跳跃思维
D. 多向思维
[填空题]传统抗组胺药的不良反应主要是 ________ 。第二代抗组胺药特点是 ________ ,________ 。
[判断题] 隔舱人孔是为了操作人员进入隔舱检查有无渗漏而设置的,平时用人孔盖封死。( )
A.正确
B.错误
[判断题]《关于对配偶子女均已移居国(境)外的国家工作人员加强管理的暂行规定》适用人员办理的公共事务,涉及到其配偶、子女移居国家和地区的,不用回避。
A.正确
B.错误
[单项选择]相平衡参数m=E/P,式中m值的大小可以判断不同气体溶解度的大小,m值越小,则该气体的溶解度()。
A. 越大
B. 越小
C. 不变
D. 说不清楚
[填空题]
Stonehenge
Stonehenge, the mysterious ring of ancient monoliths from the dawn of Britain’s proud civilization, could be the work of a central European immigrant, archaeologists said not long ago in a shock statement. An early Bronze Age archer, whose grave was discovered near the stone circles last year, may have helped build the monument.
(46) . Or he might have brought up in a region neighboring Switzerland, such as southern Germany or western Austri
- a.
The archer "would have been a very important person in the Stonehenge area," said Andrew Fitzpatrick, Wessex Archaeology’s project manager, "It is fascinating to think that someone from abroad could have played an important part in the construction of Britain’s most famous archaeological site."
The 4000-year-old man was identified as an archer because of the flint arrowheads found by his body, along with other artifacts belonging to the Beaker Culture in
[单选题]公安机关对与违反治安管理行为有关的场所、物品、人身进行检查时应当出示( )。
A.工作证件
B.县级以上公安机关开具的检查证明文件
C.工作证件和县级以上人民政府公安机关开具的检查证明文件
D.身份证明
[单选题]按照《中华人民共和国安全生产法》(2014年)的规定,国务院安全生产监督管理部门对全国安全生产工作实施( )。
A.综合管理
B.综合监督管理
C.监督管理
D.规划管理
[多选题]起重机总质量包括()。
A.压重
B.平衡重
C.燃料
D.油液
[多选题]靠近可燃气体、易燃液体泄漏且未起火的现场,应( )。
A.注意观察
B.加强侦检
C.谨慎选择行车路线
D.防止误入泄漏区域
[填空题]
{{B}}Section A{{/B}}
{{B}}Questions 47 to 51 are based on the following passage.{{/B}}
Last year, our nation’s capital passed the murder-a-day mark, and the
number of homicides is now up some 50 percent from that level. More than half of
these killings are drug-related. In 1988 New York City had its most violent year
ever, with 1896 homicides. Many of these in volved drugs. Such homicides are
also a problem in Detroit, Baltimore, St. Louis, Los Angeles, Phoenix and scores
of other cities where drug gangs war against one another and use violence to
spread their deadly trade. In Bankhead Courts, and Atlanta housing
project, drug-related crime has reached the point where mail carriers have had
to depend on increased police patrols at delivery, time. What is happening
around us unfolds a vivid picture that the links between drug use and crime are
clearly established. According to authoritative governmental study, around
three-quarters of crack a
[单选题]CRH380B型动车组列车全列共设有( )个安全锤。
A.42
B.44
C.46
D.48
[单选题]为预防雷害,在多雷区的27.5kV馈线上安装( )。
A.避雷针
B.避雷器
C.避雷管
D.抗雷圈
[判断题]安全生产责任制是各岗位工作业绩考核的标准之一。
A.正确
B.错误
[单选题]通信UPS四大功能:( )、交流稳压功能、净化功能和管理功能。
A.充电功能
B.不停电功能
C.放电功能
D.旁路功能
[单项选择]
Seeing Red Means Danger Ahead
The color red often means danger and by paying attention, accidents can be prevented. In the future, the color red also may help
(51) danger at construction sites. Thanks to new work by engineers, bridge supports or
(52) kinds of materials could one day contain a color switching material. It will turn red
(53) a structure collapses or falls apart.
The secret
(54) the color switching material is a particular type of molecule. A molecule is a group of atoms held together by chemical bonds. Molecules come
(55) all shapes and sizes, and make up
(56) . You can see, touch Or feel. How a molecule behaves depends on
(57) kinds of atoms it contains, and how they’re held together.
When a polymer (聚合物) containing a color switching molecule called a mechanophore (机械响应性聚合物) which is about to break, it produce a
(58) When a polymer with mecha
A. why
B. how
C. what
D. where
[单选题]安全技术交底应( )。
A.全面、针对性
B.编写一份存档即可
C. 可不填写时间
D.由监理进行
[单项选择]消毒是指杀灭或清除传播媒介上的()
A. 病原细菌
B. 病原真菌
C. 病原病毒
D. 病原微生物
E. 病原放线菌
[单项选择]下列哪项不是诊断跟腱断裂的依据
A. 损伤时明显的。向声,随即感觉行走困难,跖屈无力
B. 物理检查可看到并摸到肌腱缺损形成的凹陷
C. Thompson征或腓肠肌挤压试验阳性
D. MRI显示软组织断裂
E. 足底感觉障碍
[多选题]下列各项中可以依法作出警告.500元以下罚款的治安管理处罚决定的是()。
A.铁路公安派出所
B.交通公安派出所
C.民航公安派出所
D.森林公安派出所
[单选题]《技规》规定,列车司机在列车运行中,遇( )发生故障时,列车应在前方站停车报告。
A.列车运行监控记录装置
B.机车信号
C.列车无线调度通信设备
D.列尾装置