热门试题:
[单选题]风能密度的大小与空气密度( )。
A.成正比
B.成反比
C.平方成正比
D.立方成正比
[单项选择]It can be inferred that most of the pioneers referred to in the passage were originally from where in the United States ( )
A. The desert.
B. The West.
C. The State of Mississippi.
D. The East.
[单选题]软母线下料过程,下列正确的是()。
A.截取导线时,可以使用无齿锯切割
B.导线盘卸车必须使用满足起重要求的起重机,起吊点应正确,严禁斜吊和多盘同时起吊,应采取防止线盘滚动的措施
C.放线应统一指挥,线盘应架设平稳,导线应从盘的上方引出,放线人员不得站在线盘的前面
D.剥铝股及穿耐张线夹时,宜两人作业,应用手持切割机进行切割
E.略
F.略
[多项选择]控制调频器的三种信号的基本形式是()。
A. 差分
B. 比例
C. 积分
D. 微分
[单选题]依据《中国南方电网有限责任公司电力安全工作规程》,高[电]压是指:()以上的电压等级
A.0.4kV
B.1kV
C.10kV
D.110kV
[单项选择]《工伤保险条例》规定,用人单位、工伤职工或者其直系亲属骗取工伤保险待遇,医疗机构、辅助器具配置机构骗取工伤保险基金支出的,由劳动保障行政部门责令退还,并处骗取金额( )的罚款。
A. 1倍以上3倍以下
B. 3倍以上
C. 1倍以上5倍以下
D. 3倍以下
[单选题]打磨列车钢轨打磨后,Vmax>120km/h,钢轨焊缝凹陷应小于()mm。
A.0.3
B.0.5
C.1
D.0.2
[单选题]06CG001008.I型集中器最大电表容量为( )个。
A.100
B.1000
C.200
D.2000
[判断题]CRH380D动车组齿轮箱出现三级渗漏(泄漏),处理措施:维持车组运行,实时监控齿轮箱温度,办客站到站后对齿轮箱状态进行检查。
A.正确
B.错误
[判断题]未达到报废标准车辆,自上次评估报告出具之日起一个完整年度内不再受理处置需求。( )
A.正确
B.错误
[单项选择]
Hello everyone, this is the captain speaking, and I want to welcome you to Flight 18 heading for Seattle. Our flight time today is 2 hours and 14 minutes, and we will be flying at an average height of 29,000 feet. The local time in Seattle is a quarter to twelve (11:45), and the current weather is sunny, but there is a chance of rain later in the day. We will be arriving at Gate 13, and we will be announcing connecting flights on our nearing to the Seattle airport.
On behalf of Sky Airlines and the crew, I want to wish you an enjoyable stay in the Seattle area or at your final destination. Sit back and enjoy the flight.
What is the weather like in Seattle at present()
A. Partly cloudy.
B. Rainy.
C. Sunny.
[单项选择]28岁已婚妇女,停经56日,阴道中等量流血2日,伴阵发性下腹痛并逐渐加重。查子宫稍大,宫口可通过 一指,并见宫口内的胎囊。本例正确诊断是()
A. 先兆流产
B. 难免流产
C. 不全流产
D. 稽留流产
E. 习惯性流产
[单项选择]关于信用货币的说法,正确的是()
A. 信用货币是最早出现的货币形态
B. 信用货本身具有内在价值
C. 信用货币没有强制性
D. 现代信用货的主耍存在形式包括现金和银行存款
[简答题]
(46) For centuries the smoking of tobacco in cigarettes, cigars, and pipes has produced controversy over possible health hazards, but only since the 1950’s has sufficient scientific evidence accumulated to make possible a thorough evaluation of the health risk.
Scientific investigation of the relationship of smoking and health gained impetus after the beginning of the 20th century, then an increase in lung cancer was noted. As the use of tobacco increased, studies improved. (47) Although some gaps in knowledge still exist, the information now available is sufficient to permit making sound judgments, based on the converging lines of evidence.
(48) Investigators have directed their principal consideration to cigarette smoking because the health consequences attributed to it far exceed those due to smoking cigars and pipes. The widespread popularity of cigarettes is comparatively recent in man’s use of tobacco. The smoking
[判断题]《高速公路出入口标线设置指南》标志与标线配合设置,如距离减速车道渐变段起点 1km 处有门架结构,建议该标志与出口预告标志设置在同一门架结构上。( )
A.正确
B.错误
[多项选择]患者男性,23岁,既往体健,冬季独居在生有煤火密闭房间,清晨被家人发现昏倒在地,不省人事,周围有呕吐物痕迹,屋内有酒气,患者体温不高。经检查患者碳氧血红蛋白明显增高,下面哪些治疗是合理的()
A. 脱离中毒环境
B. 保持气道通畅
C. 高压氧舱治疗
D. 脱水降颅压治疗
E. 营养脑细胞治疗
F. 应用无环鸟苷
[多选题]97式18.4毫米防暴枪系列正式装备的弹药主要有()。
A.杀伤弹
B.橡皮弹
C.橡皮霰弹
D.催泪弹
[简答题]
病例摘要:
周某,女,44岁,已婚,工人。2014年1月就诊。
患者心悸胸闷反复发作5年余,每在情绪波动时复发或加重。询问得知患者素性抑郁,2年来多次与家人争执,情志不畅,遂渐发为此疾。刻诊:心悸频作,食少寐艰,头晕目眩,神疲乏力,食后腹胀,胸膺窒闷,嗳气则舒。
查体:T36.8℃,P110次/分,R18次/分,BP120/80mmHg。双肺呼吸音清,心率110次/分,心律齐,心音强弱相等。舌淡苔薄,脉细。
辅助检查:心电图:窦性心动过速。
答题要求:1.根据上述病例摘要,在答题卡上完成书面辨证论治。
2.鉴别诊断:请与阵发性房性心动过速相鉴别。
[单项选择]患者男,30岁。患慢性结肠炎。查体:T36.5℃,P80次/分,BP120/80mmHg。化验血红蛋白90g/dl。消瘦,经常腹泻。该患者应给予()
A. 高热量饮食
B. 低盐饮食
C. 低蛋白饮食
D. 低脂肪饮食
E. 高蛋白饮食
[判断题]强噪音环境,应配备使用保护耳塞、耳罩。()
A.正确
B.错误
[多选题]接入高压配电网的分布式电源的( )应有名称并报电网管理单位备案。
A.逆变设备
B.用户进线开关
C.并网点开断设备
D.电气接线图
[单项选择]在活动定义中工作包被有计划的分解为更小的组成部分叫做:
A. 控制帐户θControlAccount
B. 资源分解结构θRBS
C. 规划组合θPlanningPackage
D. 计划活动θScheduleactivity
[单项选择]Rainfall is one of the primary elements in climate and a factor of tremendous importance in the distribution of plant and animal life. Clouds contain huge numbers of tiny drops of moisture. Raindrops are formed when these tiny drops are enlarged, first by moisture from the surrounding air condensing on them and then by combining with other drops during their falling down. Raindrops vary in size from about 0.02 inches to as much as 0.33 inches in thunderstorms. From the time they leave the bottom of the cloud, they change into vapor and, if the cloud is high, the air warm and dry, and the raindrops small, so that they fall slowly, they may become vapor completely before they reach the earth.
There are thousands of stations throughout the world where rainfall observations and records are made. Included in such records is the fall of snow, reduced to its equivalent in rain. Rainfall is measured in terms of (按照……) inches, by means of a simple instrument or by more complex electrical o
A. reasonable amount
B. similar amount
C. limited amount
D. corresponding amount
[多选题]—年3月,某县拆迁户郭某因未与县城管执法局达成拆迁协议,自2014年4月开始,其住所先后被断水断电,继而在4月7日上午,20多位身份不明的年轻人冲进他家中,不仅强拆了郭某部分房屋,而且还对郭某进行殴打,郭某报警后,这伙人才一哄而散。随后,该县警方介入此案。
1关于强制拆除,下列说法正确的是( )
A.强制拆除仅适用于违法的建筑物、构筑物及设施
B.强制拆除也适用于合法的建筑物、构筑物及设施
C.强制拆除前应当由行政机关予以公告
D.当事人申请行政复议或提起行政诉讼不停止强制拆除
[判断题]救援舟艇转运遇险人员或贵重物资时,应对舟艇行进路线进行提前规划。( )
A.正确
B.错误
[单选题]【A1型题】以下哪种神志障碍,见于阻明蓄血证
A. 如狂
B. 发狂
C. 谵语
D. 喜忘
E. 独语如见鬼状
[单选题]下列物质属于助燃物的是 ( )。
A.汽油
B.酒精
C.氯气
D.氢气
[单选题]烘焙类切片土司面包的保质期是( )
A.1天
B.半天
C.24小时
[单选题]生产经营单位未为从业人员提供符合国家标准或者行业标准的劳动防护用品的,责令限期改正,处( )以下的罚款。
A.一万元
B.两万元
C.三万元
D.五万元
[单选题]我国目前生产的CRH系列定型动车组全部采用“ ”的动力组。
A.内燃动车组
B.电动车组
C.动力分散型配置
D.动力集中式
[判断题]510 题, 本小题 1 分
一个15Ω电阻,设计需要通过2.5A的电流,另一个35Ω的电阻与之串联,需要加总电压为125V才能保持应有的电流强度。
A.正确
B.错误
[判断题]在动力制动为主、空气制动为辅相互配合使用情况下,需要缓解时,应先解除动力制动,再缓解空气制动。
A.正确
B.错误
[判断题]《石油与天然气钻井井控规定》中规定:压井的原则是在整个作业过程中始终控制井底压力略小于地层压力。
A.正确
B.错误