热门试题:
[单选题] 摊制制品时,平锅一般应烧到( ),然后再放入糊浆进行摊制。
A.4~5 成热
B.6~7 成热
C.7~8 成热
D.8~9 成热
[单选题] 在同一电气连接部分用同一张工作票依次在几个工作地点转移工作时,全部安全措施由运维人员在开工前一次做完,不需再办理转移手续。
A.正确
B.错误
[判断题]非营业时间，营业机构库存重要空白凭证应存放于库房或具有防盗设施的凭证室内。
A.正确
B.错误
[单选题]下列不属于终结行政强制执行的情形有( )。
A.公民死亡,无遗产可供执行,但有义务承受人的
B.法人或者其他组织终止,无财产可供执行,又无义务承受人的
C.执行标的灭失的
D.据以执行的行政决定被撤销的
[判断题]帕纳尔系统是一种汽车设计方案：将发动机前置，通过离合器，变速装置和齿轮传动装置把驱动力传递到前轮。
[判断题]起重链不得打扭，亦不得拆成单股使用。
A.正确
B.错误
[单项选择]病变部位主要在肾脏，而临床表现却在膀胱的疾病为（）
A. 肾出血
B. 肾盂肾炎
C. 肾盂癌
D. 肾结核
E. 肾结石
[单选题]安全监控系统当主机或系统线缆发生故障时，必须保证实现甲烷电闭锁和( )闭锁的全部功能。
A.风电
B.风机
C.瓦斯电
[单项选择]
The fitness movement that began in the late 1960s and early 1970s centered around aerobic exercise. Millions of individuals became (1) in a variety of aerobic activities, and (2) thousands of health spas (3) around the country to capitalize on this (4) interest in fitness, particularly aerobic dancing for females. A number of fitness spas existed (5) to this aerobic fitness movement, even a national chain with spas in most major cities. However, their (6) was not on aerobics, (7) on weight-training programs designed to develop muscular mass, (8) , and endurance in their primarily male (9) . These fitness spas did not seem to benefit (10) from the aerobic fitness movement to better health, since medical opinion suggested that weight-training programs (11) few, if (12) , health benefits. In recent years, however, weight training has again become increasingly (13) for ma
A. popular
B. vigorous
C. intelligible
D. formidable
[判断题]6KV电动机的绝缘电阻,应用2500V等级的兆欧表来测量,其绝缘电阻值不低于1MΩ/kV(6MΩ)。( )
A.正确
B.错误
[单选题]普速线路轨底处道床顶面应低于轨枕顶面( )。
A. 10～20mm
B. 15～20mm
C. 20～30mm
D. 20～40mm
[判断题]大修地段与非大修地段的连接顺坡，应设在大修地段以内。
A.正确
B.错误
[单选题]There’s no doubt that nanotechnology promises so much for civilization. However, all new technologies have their teething problems, And with nanotechnology, society often gets the wrong idea about its capabilities. Numerous science-fiction books and movies have raised people’s fears about nanotechnology ---with scenarios such as inserting little nano-robots into your body that monitor everything you do without you realizing it,or self-replicating nano-robots that eventually take over the world.
So how do we safeguard such a potentially powerful technology? Some scientists recommend that nano-particles be treated as new chemicals with separate safety tests and clear labelling. They believe that greater care should also be taken with nano-particles in laboratories and factories. Others have called for a withdrawal of new nano products such as cosmetics and a temporary halt to many kinds of nanotech research.
But as far as I’m concerned there’s a need to plough ahead with the discoveries and applications of nanotechnology.I really believe that most scientists would welcome a way to guard against unethical uses of such technology. We can’t go around thinking that all innovation is bad.all advancement is bad. As with the debate about any new technology.it is how you use it that’s important.So let’s look at some of its possible uses.
Thanks to nanotechnology, there could be a major breakthrough in the field of transportation with the production of more durable metals. These could be virtually unbreakable, lighter and much more pliable leading to planes that are 50 times lighter than at present. Those same improved capabilities will dramatically reduce the cost of traveling into space making it more accessible to ordinary people and opening up a totally new holiday destination.
In terms of technology, the computer industry will be able to shrink computer parts down to minute sizes. We need nanotechnology in order to create a new generation of computers that will work even faster and will have a million times more memory but will be about the size of a sugar cube. Nanotechnology could also revolutionise the way that we generate power .The cost of solar cells will be drastically reduced so harnessing this energy will be far more economical than at present.
It can be deduced from the passage that___
A.the use of Nanotcech could eventually take over the world
B.Nanotech has few implications affecting us in many ways
C.it is too expensive to make solar energy
D.it is possible users are very helpful and beneficial to humans
[单项选择]急性脓胸病人的护理措施正确的是（）
A. 取平卧位
B. 每3日行胸腔穿刺抽脓
C. 每次抽脓量不超过500ml
D. 指导病人做腹式深呼吸
E. 有支气管胸膜瘘者取半卧位
[单选题]我国非密封放射性物质工作场所分为( )级。
A.二
B.三
C.四
D.五
[单项选择]以箭线或其两端节点的编号表示工作的网络图称为（）。
A. 工序图
B. 工程计划图
C. 双代号网络图
D. 单代号网络图
[单选题]二阶系统的暂态性能指标中，下列描述中不正确的是（）。
A.阻尼比是二阶系统的重要参数，其值的大小可以间接判断一个二阶系统的暂态品质
B.一般情况下，系统在临界阻尼情况下工作
C.调节时间与系统阻尼比和自然振荡频率的乘积成反比
D.二阶工程最佳阻尼比为0.707
[单选题]某战士拉练归来途中自觉右小腿疼痛，经休息治疗2周后无好转，拍X线示右腓骨下段横行骨折，无移位，其骨折的主要成因是：
A.直接暴力
B.积累性劳损
C.间接暴力
D.肌拉力
E.骨髓炎
[单项选择]黏土塑限高，说明( )。
A. 黏土粒子的水化膜薄，可塑性好
B. 黏土粒子的水化膜薄，可塑性差
C. 黏土粒子的水化膜厚，可塑性好
D. 黏土粒子的水化膜厚，可塑性差
[判断题]复功率是一个辅助计算功率的复数，它将正弦稳态电路的功率和功率因数统一为一个公式表示，是一个“四归一”的公式。（ ）
A.正确
B.错误
[单项选择]由病人控制主要呼吸参数，可降低自主呼吸的呼吸做功的通气方式是（）。
A. 控制通气
B. 辅助/控制通气
C. 间歇指令通气
D. 呼吸末正压通气
E. 压力支持通气
[判断题]池内的纸质商业汇票到期由托管行柜员主动手工发起委托收款无需客户办理申请手续，并由托管行办理委托收款销记。
A.正确
B.错误
[单选题]专项施工方案是在编制施工组织（总）设计的基础上，针对（ ）单独编制的，包括安全技术与措施的施工技术文件。
A.危险性较大的工程
B.专业化的工程
C.隐患较大的工程
D.风险较大的工程
[单项选择]一般要求石灰石中二氧化硅和三氧化二铝的总含量小于（）。
A. 3%
B. 4%
C. 5%
[多选题]办理行政案件中,下列关于询问查证时限的说法正确的有()。
A.李某醉酒后违反治安管理,被公安机关约束8小时后至酒醒,已经过了8小时的询问时间,公安机关无权再继续询问
B.王某等四人共同违反治安管理被公安机关当场发现,四人拒不供述,公安机关以案情复杂为由,可以将询问时间延长到32小时
C.对违反治安管理行为人,公安机关传唤后应当及时询问查证,询问查证的时间不得超过8小时
D.情况复杂,依法可能适用行政拘留处罚的,询问查证的时间不得超过24小时
[单项选择]听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有5秒钟的时间阅读各个小题；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。When and where will there be a strong north windA. In most of the Northeast this afternoon.B. In most part of North China tonight.C. In most of the Northeast tomorrow afternoon.
[单选题] 的功能是通过各车轴或牵引电机中安装的速度传感器，对速度进行检测，在滑行即将发生的短暂过渡阶段将其检测出，并及时动作，通过排出单元制动缸的空气，使作用在车轮上的制动力迅速降低至粘着力以下，以防止车轮滑行，恢复轮轨的粘着状态。
A.APU装置
B.防滑装置
C.辅助供电装置
D.夹钳装置
[不定项选择题]A.稽留热
A.弛张热
B.间歇热
C.回归热
D.波状热
E.疟疾常出现的热型是( )
[判断题]动车组列车碰撞异物，经检查确认不能继续运行时应及时请求救援，并按规定进行防护。（ ）
A.正确
B.错误
[多项选择]重点审查法审查施工图预算时，重点审查的对象是( )。
A. 工程量大或造价高的项目
B. 补充定额
C. 编制依据
D. 定额中的单价是否合理
E. 取费基础
