热门试题:
[判断题]( )分支器中分支输出的能量较小,开路后对主路影响不大。
A.正确
B.错误
[填空题]从19世纪60年代开始由清政府洋务派发起的(),揭开了中国近代工业化的序幕。
[单项选择]某市地税局领导王某,因涉嫌受贿罪被检察机关立案侦查。最终查明,王某利用职权,为张某调动工作并收取张某感谢费3000元;同时,有50万元的钱款王某不能说明其合法来源。王某的行为()。
A. 构成巨额财产来源不明罪
B. 构成受贿罪
C. 构成巨额财产来源不明罪和受贿罪
D. 不构成犯罪
[单项选择]中国佛教史上“输入——吸收——输出”的文化流动,未显示出中国文化的()
A. 充分开放性和鲜明主体性
B. 以我为主、善于消化的强劲生命力
C. 文化交流的双相互渗性
D. 文化创新的共通性
[判断题]干部要端正对消防员的根本态度,用信任的眼光、欣赏的眼光、发展的眼光看待消防员,增进对消防员的深厚感情,关心消防员的成长进步。( )
A.正确
B.错误
[多选题]常用警戒器材主要有( )等。
A.警戒标志杆及底座
B.警戒带
C.警戒灯
D.形象警示牌
E.警戒桶
[单选题]作业前,打桩机应先空载运行各机构,确认运转正常。打桩机带锤行走时,应将桩锤放至( )。
A.最高位
B.中间位
C.最低位
D.中下位
[单选题]某些套管式活塞冷却机构中设有空气室,其作用是________.(263.716.:第02.-02.章 柴油机主要部件及检修)
A.释放水中的空气
B.防止腐蚀
C.缓冲防水击
D.保证稳定供水
[多选题]对下列哪些行为,经警告无效的,可以使用驱逐性、制服性警械。( )
A.结伙斗殴的
B.在国宾下榻处擅自举行集会、游行、示威的
C.袭击人民警察的
D.聚众扰乱公共场所秩序的
[不定项选择题]A.碱基(RN)
B.阳离子(RN
A.
B.离解常数(pKa)
C.酯链(-CO-)
D.酰胺链(-CNH-)
E.为结合钠通道受体所必须的( )
[单选题]各级管理人员每年接受不少于()的劳动安全培训未经培训、培训课时不足或经培训考试不合格的,均不得下现场进行检查、调研、指导和跟班(顶岗)作业 、
A. 10个课时
B.4个课时
C. 6个课时
D. 8个课时
[单项选择]当今社会,城市化、机动化的速度不断加快,车辆越来越多,我们不仅要遵照“红灯停、绿灯行”等基本的交通规则,更要学习并遵守更多的()礼仪。
A. 住宿
B. 居家
C. 驾车
D. 饮食
[简答题]《消防法》对住房和城乡建设主管部门、消防救援机构及其工作人员依照法定职权和程序进行消防设计审核、消防验收和消防安全检查有哪些监督制约要求?
[多选题]B-D-D-001 3 7 1
一交流电路,最大工作电流为240A,为便于显示电流,以下电流互感器变比合适的有( )。
A. 150/5
B. 200/5
C. 250/5
D. 300/5
[判断题]风管和管道的绝热,应采用A级不燃或是B1级难燃材料。电加热器前后800mm的风管和绝热层以及穿越防火隔墙两侧2m范围内风管、管道和绝热层须使用A级不燃绝热材料。( )
A.正确
B.错误
[单项选择]某藏书60万册的图书馆,其条形疏散走道宽度为2.1m,长度为51m,该走道顶棚上至少应设置()只点型感烟火灾探测器。
A. 2
B. 3
C. 5
D. 4
[单选题]长期计划的时间是( )。
A.5年以上
B.1年以上
C.2年以上
D.3年以上
E.半年以上
[判断题]行政机关的内设机构或者派出机构在没有法律、法规或者规章授权的情况下,以自己的名义作出行政行为,当事人不服提起诉讼的,应当以该行政机关为被告()
A.正确
B.错误
[判断题]2.CTC系统在三种控制模式下,车站都能签收调度命令。( )
A.正确
B.错误
[判断题]事物的发展一定是先从质变开始的。 ( )
[单选题]推挡快速出枪的操作步骤为目标近身袭击,双手迅速抬起,前臂格挡,( ),做好射击准备。
A. 退防呈低姿戒备,迅速制造安全距离
B. 快速出枪完成指向,迅速退防,保持安全距离
C. 快速出枪,指向目标
D. 迅速退防,保持安全距离,快速出枪
[单项选择]
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In 1995 about 700,000
robots were operating in the industrialized world. Over 500,000 were used in
Japan, about 120,000 in Western Europe, and about 2,000 in the United States.
Many robot applications are for tasks that are either dangerous or unpleasant
for human beings. In medical laboratories, robots handle potentially hazardous
materials, such as blood or urine samples. In other cases, robots are used in
repetitive’, monotonous tasks in which human performance might degrade over
time. Robots can perform these repetitive, high-precision operations 24 hours a
day without fatigue. A major user of robots is the automobile industry. General
Motors Corporation uses approximately 16,000 robots for tasks such as spot
welding, painting, machine loading, parts transfer, and assembly. Assembly is
one of the fastest growing industrial applications of robotics. It requires
higher precision than welding or painting and depen
A. Impact of robots.
B. Relationship between robots and jobs.
C. Robotic manipulators.
D. Damages of robots.
[判断题]±500kV等电位作业人员沿绝缘子串进入强电场的作业,扣除人体短接的和零值的绝缘子片数后,良好绝缘子片数不得小于16片。
[单选题]空调面板上热空气FAULT(故障)灯亮时:
A.热空气压力调节活门自动关闭,配平空气活门自动关闭
B.热空气压力调节活门自动打开,配平空气活门自动关闭
C.热空气压力调节活门自动关闭,配平空气活门自动打开
D.热空气压力调节活门打开,配平空气活门打开,无影响
[单项选择]下列哪项不是补骨脂的适应证()
A. 肾虚阳痿、腰膝冷痛
B. 肾虚遗精、遗尿、尿频
C. 虚寒性出血证
D. 肾不纳气虚寒喘咳
E. 脾肾阳虚泄泻
[单项选择]( )又称无形贸易收支,其内容有运输、保险、通信、旅游等各种服务的收入和支出,以及由于资本输入、信贷和投资所引起的利息、股息和利润的收入和支出。
A. 技术收支
B. 知识收支
C. 智能收支
D. 劳动收支
[判断题]十八届四中全会提出,健全依法维权和化解纠纷机制。强化法律在维护群众权益、化解社会矛盾中的权威地位,引导和支持人们理性表达诉求、依法维护权益。
[多选题]当事人必须履行人民法院发生法律效力的( )。
A.A.判决,
B.裁定,
C.通知,
D.调解书
[多项选择]关于叶绿体和光合作用的描述中,下列说法合理的是()
A. 叶片反射绿光故呈绿色,因此日光中绿光透过叶绿体的比例最小
B. 叶绿体囊状结构薄膜上的NADPH能为暗反应提供能量和还原剂
C. 叶绿体的类囊体膜上含有自身光合作用所需的各种色素
D. 光照下叶绿体中的ATP主要是由有氧呼吸产生的
[单选题] 12、CD-ROM 是一种大容量的外部存储设备,其特点是( ) 。
A.只能读不能写
B.处理数据速度低于软盘
C.只能写不能读
D.既能写也能读
[不定项选择题]The sea is very bi9.Look at a map of the world.There is less land than sea.The sea covers three quarters of the world.
The sea is very deep in some places.There is one spot,near Japan,where the sea is nearly11 kilonetres deep.The highest mountain in the world is about 9 kilometres high.If that mountain were Dut into the sea at that place,there would be 2 kilometres of water above it.
If you have swum in the sea, you know that it is salty. You can taste the salt. Rivers, which flow into the sea, carry salt from the land into the sea. Some parts of the sea are less salty than other parts. There is one sea, called the Dead Sea, which is very salty. Because it is very salty, swimmers cannot sink! Fish cannot live in the Dead Sea.
In most parts of the sea, there are plenty of fishes and plants. Some live near the top of the sea.
Others live deep down. There are also millions of tiny living things that float in the sea. These floating things are very small. It is hard to see them. Many fish live by eating them.
The sea can be very cold. Divers, who dive deep down in the sea, know this. On the top the water may be warm. When the diver goes downwards, the sea becomes colder and colder.
Another thing happens. When the diver goes deeper, the water above presses down on him. It squeezes him. Then the diver has to wear clothes made of metal.
One spot of the sea near Japan is .
A.nearly nine kilometres deep
B.almost eleven kilometres high
C.two kilometres above the highest mountain in the world
D.two kilometres deeper than the height of the world' s highest mountain
[多选题]动火工作负责人的安全责任有( )。
A.正确安全地组织动火工作
B.负责检修应做的安全措施并使其完善
C.向有关人员布置动火工作,交待防火安全措施和进行安全教育
D.始终监督现场动火工作
[判断题] 客户侧10kV专用电能计量柜宜布置在第一柜,采用环网结构时应布置在第二柜。
A.正确
B.错误