热门试题:
[单选题]4.211. 第211题
分、合闸速度测量时,若技术条件无规定,SF6断路器一般推荐取刚分后和刚合前()内的平均速度分别作为刚分和刚合速度,并以名义超程的计算始点作为刚分和刚合计算点。
A.5ms
B.6ms
C.10ms
D.20ms
[单选题]全面负责“一通三防”技术业务管理工作的责任者是( )。
A.矿长
B.通风科长
C.总工程师
D.通风副总
[单选题]飞行程序设计中,标准的离场程序梯度按( )进行设计。
A.0.033
B.0.025
C.0.045
D.0.024
[单项选择]Before liberation, the laboring people worked hard only to live a poor life.
A. 解放前,工人们艰难挣扎只为摆脱贫困生活。
B. 解放前,劳动人民工作努力,但还是过贫困生活。
C. 解放前,穷人拼命劳动,结果生活还是困难。
D. 解放前,劳动人民艰苦劳动,结果只能过贫困生活。
[单项选择]()是中国古典文学现实主义传统的起点。
A. 诗经
B. 楚辞
C. 汉乐府
D. 汉赋
[单项选择]关于慢性间质性肾炎的说法哪种是错误的?()
A. 全身皮疹常见
B. 常出现无菌性白细胞尿、血尿及轻度蛋白尿
C. 常出现少尿或非少尿性急性肾衰竭
D. 常出现肾性糖尿
E. 以肾间质中心粒细胞浸润等急性病变为主要病理表现
[单选题]根据现代安全生产管理理论.下列运用强制原理的是( ).
A.安全第一的原则
B.3E原则
C.动力原则
D.整分合原则
[单选题]单选题 La3A3146
437912一级用电检查员能担任()kV及以下电压供电用户的用户检查工作。
A.220
B.35
C.10
D.0.4
[单选题]电磁开关合闸时由( )提供操作电源
A.后备电源
B.终端
C.交流电源
D.直流电源
[单项选择]美国语言学家哈里森教授说:“想象一下,如果无缘无故的,鲸要灭绝了,或者金字塔要倒塌了,亚马孙森林被砍伐,人们会非常气愤,并且想尽办法去阻止,因为那些是人类共同的遗产,是肉眼可见的。语言是更加古老、复杂精细的人类财富,每一种语言都是一个结构独特的人类存在方式。每种语言都有无限的表达可能性,无限的搭配可能性,它们的词汇、发音系统和语法,以精妙的结构组合起来,比我们手建的任何建筑更伟大。” 教授的这段话意在强调( )。
A. 要保护和挽救那些将要消亡的语言
B. 语言和生态环境一样,是人类的共同的财产
C. 语言是比鲸类、金字塔和亚马逊森林更宝贵的人类财富
D. 语言比任何建筑都更值得保护
[单项选择]Put Down That Tool
The British work longer hours than anyone else in the European Union (EU), which may account for Britain’s faster rate of economic growth in the past decade. But the European Commission wants to put a stop to it. In a recent report it notes disapprovingly that, "The UK is the only member state where weekly working time has increased over the last decade." The commission believes that British companies may be systematically violating the EU’s "Working Time Directive ". This demands that Europeans should work a maximum of 48 hours a week on average. Under the directive, workers can sign an "opt-out", agreeing to work more than 48 hours. Some 33% of British workers have signed such opt-outs, although only 16% are believed actually to be working more than 48 hours.
Anna Diamantopoulou, the European commissioner for employment and social affairs, has a doubt about that. Firms in other European countries have not made much use of opt-outs. But, she thinks,
A. Labour-market flexibility will be reduced.
B. Corporate form-filling and regulation will become simple.
C. A new directive will be devise
[单项选择]下列关于房屋他项权利登记的表述中,正确的是()。
A. 房屋所有权证、房屋他项权证均由房屋所有权人持有
B. 房屋所有权证、房屋他项权证均由房屋他项权人持有
C. 房屋所有权证由房地产登记部门暂扣,房屋他项权证由房屋所有权人持有
D. 房屋所有权证发还房屋所有权人,房屋他项权证由房屋他项权人持有
[单项选择]
Advances in computers and data networks inspire visions of a future "information economy" in which everyone will have (1) to gigabytes of all kinds of information anywhere and anytime, (2) information has always been a (3) difficult commodity to deal with, and, in some ways, computers and high-speed networks make the problems of buying, (4) , and distributing information goods worse (5) better. The evolution of the Internet itself (6) serious problems. (7) the Intemet has been privatized, several companies are (8) to provide the backbones that will carry traffic (9) local networks, but (10) business models for intereonnectinn—who pays how much for each packet (11) , for example—have (12) to be developed. (13) intereonnection standards are developed that make (14) cheap and easy to transmit information across independent networks, competition will (15) .
A. Provided that
B. In that
C. Now that
D. Given that
[单选题]机械设备传动部位应按规定设置保护罩或保护( )。
A.断电保护装置
B.警戒
C.栏杆
[单选题]根据《刑法》规定,已满14周岁不满16周岁的人,应当对制造毒品罪负刑事责任。
A.正确
B.错误
[单项选择]取代基对黄酮苷溶解性影响的规律正确的是()。
A. 3-OH黄酮苷水溶性大于7-OH黄酮苷
B. 3-OH黄酮苷水溶性大于5-OH黄酮苷
C. 7-OH黄酮苷水溶性大于5-OH黄酮苷
D. 7-OH黄酮苷水溶性大于3-OH黄酮苷
E. 5-OH黄酮苷水溶性大于4′-OH黄酮苷
[多选题]对实用写作四要素的具体要求,可概括为()。
A.标题要旗帜鲜明,旨清字精
B.引言要引人入境,言简意赅
C.正文要条理清楚,结构严谨
D.结尾要切合实际,有的放矢
[判断题]一个齿轮作为交错轴齿轮副中的齿轮而与配对蜗杆相啮合,称为蜗轮。( )
A.正确
B.错误
[单选题]CPU集成了运算器和( )
A.控制器
B.存储器
C.输入设备
D.输出设备
[单选题]三相异步电动机常用的电磁制动方法有( )制动。
A.能耗
B.反接
C.回馈
D.全部选项
[填空题]Perhaps like most Americans you have some extra pounds to (47) . You may even have tried a fad diet or two, but found yourself right back where you started. The key to weight loss is regular (48) activity. And surprisingly, you don’t have to give up eating or make the gym your second home to see long-term, (49) effects.
Your body needs a certain amount of energy to maintain basic (50) such as breathing, blood circulation and digestion. The energy required to keep your organs functioning is referred to as the resting or basal metabolic rate.
Any time you are active, (51) energy is required. It is obtained from glycogen and fat stored in the blood, liver, and muscles. The key to losing weight is to draw on the fat rather than on the carbohydrate reserves.
Which of the two energy sources you use depends on the intensity and (52) of your activity. The higher the intensity, the more your body will pull fro
[单项选择]前列腺癌()
A. ACP
B. AKP
C. CEA
D. AFP
E. hCG
[单项选择]患者,女,50岁。患有“肩周炎”病史,近日夜卧感受风邪,右肩臂疼痛加剧,屈伸不利,舌质淡红苔薄白,脉弦。用药宜首选()
A. 羌活、独活
B. 羌活、川芎
C. 羌活、姜黄
D. 羌活、防风
E. 羌活、秦艽
[单选题]美国国家航空航天局在分析事故原因及对策时所使用的4M法认为,导致事故的最主要因素是( )。
A.机械
B.人
C.环境与媒介
D.管理
[判断题]偏差是测量值与给定值之间的差值,无论正负对控制器输出的影响是一样的。( )
A.正确
B.错误
[填空题]机车挂车后,司机发现制动关门车辆数超过规定时,发车前应持有( )。
[简答题]铁路旅客运输规程中普通旅客列车车票分哪几种?如何发售使用?
[单项选择]2011年9月,有着58年历史的全国少数民族传统体育运动会再次成功举行。参赛人数从首届13个民族的395人,发展到如今第九届55个民族的6700多人,各民族兄弟姐妹实现了更好的交流和融合。这从侧面表明,我国处理民族关系的基本原则是( )。
A. 和睦相处
B. 平等、团结、互助、和谐
C. 一律平等
D. 平等、团结、共同繁荣
[单选题]基本顶初次破断在工作面引起的矿压显现称为( )。
A.A、初次断裂
B.B、初次垮落
C.C、初次显现
D.D、初次来压
[单选题]消防救援机构办案人员的回避,由( )决定。
A.案件当事人
B.上一级、消防救援机构负责人
C.本级消防救援机构负责人
D.办案人员本人
[单选题]试验结束后,试验人员应拆除()接地线和短路线,检查被试设备,恢复试验前的状态,经试验负责人复查后,清理现场。
A.所有的
B.多余的
C.自装的
D.保护
E./
F./
[多选题]做到“四个合格”是指( )
A.政治合格
B. 执行纪律合格
C.品德合格
D. 发挥作用合格
[填空题]临时工程由( )牵头,工程部负责具体工作。
[单选题].脂肪烃化合物同系物中,一般随碳原子数增加,其毒性( )。
A.增大
B.减小
C.不变
D.与碳原子数无关
[单选题] 上能润肺止咳,下能润肠通便的药物是
A.郁李仁
B.薏苡仁
C.松子仁
D.火麻仁
E.酸枣仁
[单项选择]以下哪项符合胃溃疡的特点
A. 发病年龄多见于老年人
B. 好发于胃大弯
C. 疼痛多在饭后3~4h发生
D. 上腹压痛点常在上腹偏右
E. X线钡剂检查龛影位于胃腔轮廓之外
[判断题]运营时间内可以在车站不影响运营的地点进行动火作业。
A.正确
B.错误
[单选题]党的十八届五中全会提出,要实现“十三五”时期发展目标,必须把发展基点放在( )。
A.改革
B.创新
C.开放
D.加快建设自由贸易区