热门试题:
[多选题]在下列哪些特殊线上施工时，由作业人员在作业区域可能来车方向50米处设置红闪灯防护？
A.联络线
B.折返线
C.存车线
D.尽头线
E.正线
[单选题]假定单元格B2的内容为2011/12/20，则函数=day(B2)的值为（ ）。
A.2011
B.12
C.20
D.2012
[判断题]进行避雷器绝缘电阻测试前应检查避雷器表面是否有裂纹、破损、放电痕迹，并清洁避雷器。（）
A.正确
B.错误
[判断题] 进风井口已布置在粉尘、有害和高温气体能侵入地点的,不必在制定安全措施。( )
A.正确
B.错误
[多项选择]按照对燃放人员要求的不同，烟花爆竹产品分为（）两类。
A. 成年人燃放
B. 未成年人燃放
C. 个人燃放
D. 专业燃放
[单选题]气瓶内的压力应留有不少于_____Mpa的剩余压力。
A.0.2
B.0.3
C.0.4
D.0.5
[单选题]未实施车辆识别代号(VIN)管理的车辆是________。
A.摩托车
B.低速货车
C.轮式专用机械车
D.挂车
[判断题]当过盈量及配合尺寸较小时，常采用温差法装配。
A.正确
B.错误
[单选题]机动车在夜间行驶,没有路灯或路灯照明不良时,应当开启( )、示廓灯和后位灯。
A. 转向灯
B. 雾灯
C. 危险报警闪光灯
D. 前照灯
[单项选择]在现代城市规划科学的主要理论中，哪个城市不属于城市分散发展模式理论
A. 莱契沃斯(Letchwort城
B. 哈罗新城
C. 赫尔辛基
D. 沪宁城市带
[单选题]供修筑衬砌用的临时点,可用( )测点。
A.串线法
B.水平仪
C.灌水软管法
D.经纬仪
[单选题]纳税人被吊销营业执照的应当自吊销营业执照之日起（ ）日之内向主管税务机关申报办理注销税务登记证。
A.A.10
B.B.15
C.C.30
D.D.45
[判断题]机器语言是采用十六进制数码组成的。
A.正确
B.错误
[判断题]码头边缘宜设置护轮槛。护轮槛可采用连续式或非连续式，需要时亦可采用活动式。
A.正确
B.错误
[单选题]路用列车装卸路料时,装卸作业完毕后，负责人应负责检查装载、堆码状态，( )，清好道沿，关好车门。
A.确认完毕
B.确认安全
C.人员撤离
D.确认限界
[判断题]进路上无联锁的分动外锁闭道岔无论对向或顺向，均应对密贴尖轨、斥离尖轨和可动心轨加锁。
A.正确
B.错误
[判断题]斜道脚手板顺铺时,接头应采用搭接,下面的板头应压住上面的板头。
A.正确
B.错误
[判断题]装载机司机必须随时注意各部状态，如有异状下班后停车处理
A.正确
B.错误
[单项选择]关于肩关节周围炎，下列哪项不正确（ ）
A. 好发年龄为50岁
B. 能自愈
C. 醋酸泼尼松龙局部封闭有效
D. 主要为肩痛，活动受限
E. 常伴有手指麻木感
[单项选择]
某河床取水构筑物设计流量为14400m3／h，设有4台水泵（3用1备），水泵吸水管直接从无冰絮的河道内吸水，取水头部进水孔上安装固定格栅，栅条厚度为10mm，中心距为110mm，格栅堵塞系数为0.75，每个取水头部进水孑L面积不小于（）m2。
A. 3.3
B. 2.5
C. 2.0
D. 1.5
[单选题]（）包括隐患名称、位置、状态描述、可能导致后果及其严重程度、治理目标、治理措施、职责划分、治理期限等信息的总称。
A.隐患治理
B.隐患信息
C.隐患排查
D.事故隐患
[单项选择]请根据下面短文回答第61～65题：
St. Martin’s Day is a holiday in Holland. St. Martin was a man who did kind things for many people in need. One cold winter day he was walking home. He wore a coat to keep warm and had a small piece of bread to eat. Then he saw a stranger on the side of the road. The man sat on the ground and he was hungry and had no home. St. Martin took out his knife and cut his coat into two. He gave the man half of his warm coat. Then he gave the man haft of his bread.
Nancy was a schoolgirl in Holland. One St. Martin’s day, she rode her bicycle with her classmates after school. When she got home, she said goodbye to her classmates and went into her yard. As she parked her bike, she heard a noise in the grass. She jumped back suddenly. At her feet was a small gray homeless cat. "That old cat keeps scaring me!" she complained as she walked into the room. "It won’t hurt you, " said her father.
She was angry about the cat but she could not be unhappy for long. It
A. fed the cat with her bread
B. went to school by bike
C. enjoyed the dinner with her family
[单项选择]养犬的越来越多，犬粪犬吠干搅了他人的正常生活，你认为（ ）
A. 养犬没有实际意义，应该禁止所有的居民养犬
B. 治理养犬的关键是征缴高额费税
C. 提高养犬的人文明素质最重要
D. 人们应相互宽容理解
[填空题]超文本和超媒体是WWW的信息组织形式也是实现（）的关键技术。
[单选题]新建电气化铁路在牵引供电设备送电前（ ）天，建设单位应将送电日期通告铁路沿线路内外各有关单位。自通告之日起，视为牵引供电设备带电，有关人员均须遵守本规则相关规定。
A.5
B.10
C.15
D.20
[单选题]如果一部SEC失效，相应的扰流板会：
A.自动收回至0位
B.保持在失效时的位置
C.在空气的推动下保持在较小的位置
[单项选择]在调试网络时，常用（）查看，ping其他地址进行连通性验证。
A. ifconfig
B. ping
C. ipconfig
D. bond
[简答题]一般地区的输气管道试压，其试压压力为运行压力的倍。
----|1.25|1.4|1.5
[单选题]自动闭塞、自动站间闭塞、半自动闭塞区间未开放出站（进路）信号机，列车起动停车越过信号机或警冲标时，视同（）事故情形。
A.一般D类
B.一般C类
C.一般B类
D.一般A类
[判断题]事业单位工作人员受到记过以上处分的,在受处分期间不得参加本专业(技术、技能)领域专业技术职务任职资格或者工勤技能人员技术等级考试(评审)。( )
A.正确
B.错误
[判断题]如因设备损坏无法进行音视频采集的，航空安全员应当在当日《航空安全员执勤日志》中写明无法使用的原因和依据，报本单位主管领导审核后，按规定存档。
A.正确
B.错误
[单项选择]在网络协议中，定义控制信息格式的是：（）
A. 层次
B. 接口
C. 时序
D. 语法
[多选题] 当前ONU分类，主要有
A.SFU
B.SBU
C.MDU
[单项选择]
Millions of dollars often depend on the choice of which commercial to use in launching a new product. So you show the commercials to a (1) of typical consumers and ask their opinion. The answers you get can sometimes lead you into a big (2) . Respondents may lie just to be polite.
Now some companies and major advertising (3) have been hiring voice detectives who test your normal voice and then record you on tape (4) commenting on a product. A computer analyzes the degree and direction of change (5) normal. One kind of divergence of pitch means the subject (6) Another kind means he was really enthusiastic. In a testing of two commercials (7) children, they were, vocally, about equally (8) of both, but the computer reported their emotional (9) in the two was totally different.
Most major commercials are sent for resting-to theaters (10) with various electronic measuring devices. People regarded as
A. pack
B. flock
C. multiple
D. bulk
[判断题]由于积分控制作用变化缓慢,容易使被控变量长时间偏离给定值,因此积分作用很少单独使用。(1.0分)
A.正确
B.错误
