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[单项选择]催化真核mRNA前体转录的酶是
A. RNA聚合酶Ⅰ
B. RNA聚合酶Ⅱ
C. RNA聚合酶Ⅲ
D. RNA复制酶

热门试题:

[单项选择]下列说法正确的是( )
A. 甲作为乙的辩护律师,伪造了乙无罪的证据,甲构成辩护人伪造证据罪
B. 甲作为乙的诉讼代理人,在乙和丙的债务纠纷一案中,伪造了收款收据,使乙胜诉。甲构成诉讼代理人伪造证据罪
C. 甲作为乙和丙债务纠纷一案的证人,故意作伪证,使乙胜诉,甲构成伪证罪
D. 甲作为乙的辩护人,通过贿买的手段,让证人丙作伪证,使乙被判无罪,甲构成伪证罪
[单项选择]Question 41- 50: In Death Valley, California, one of the hottest, most arid places in North America, there is much salt, and salt can damage rocks impressively. Inhabitants of areas elsewhere, where streets and highways are salted to control ice, are familiar with the resulting rust and deterioration on cars. That attests to the chemically corrosive nature of salt, but it is not the way salt destroys rocks. Salt breaks rocks apart principally by a process called crystal prying and wedging. This happens not by soaking the rocks in salt water, but by moistening their bottoms with salt water. Such conditions exist in many areas along the eastern edge of central Death Valley. There, salty water rises from the groundwater table by capillary action through tiny spaces in sediment until it reaches the surface. Most stones have capillary passages that suck salt water from the wet ground. Death Valley provides an ultra-dry atmosphere and high daily temperatures, which promote evaporation and
A. most recent
B. most common
C. least available
D. least damaging
[简答题]A good book is often the best urn (瓮) of a life enshrining the best that life could think out; for the world of a man’’s life is, for the most part, but the world of his thoughts thus the best books are treasuries of good words, the golden thoughts, which, remembered and cherished, become our constant companions and comforters. "They are never alone," said Sir Philip Sidney, "that are accompanied by noble thoughts." Books introduce us into the best society; they bring us into the presence of the greatest minds that have ever lived. We hear what they said and did; we see them as if they were really alive; we sympathize with them, enjoy with them, grieve with them; their experience becomes ours, and we feel as if we were in a measure actors with them in the scenes which they describe. The great and good do not die even in this world. Embalmed in books, their spirits walk abroad. The book is a living voice. It is an intellect to which one still listens.
[判断题]妇女、儿童等弱势群体受到法律的特殊保护,所以他们享有超越宪法和法律的特权。
A.正确
B.错误
[单选题]在应填用电力通信工作票的范围内进行通信故障紧急抢修时,填用电力通信工作票,电力通信工作票可不经书面签发,但应经工作票签发人同意,并在工作票备注栏中说明。
A.正确
B.错误
C.略
D.略
E.略
F.略
[单选题]在五千多年的发展中,中华民族形成了以( )为核心的团结统一、爱好和平、勤劳勇敢、自强不息的伟大民族精神。
A.集体主义
B.民族主义
C.爱国主义
[单选题] 厄贝沙坦氢氯噻嗪片用药后可能(),为了不影响夜间睡眠,应在下午6点前服药服用。
A.失眠
B.入睡困难
C.头痛头晕
D.经常排尿
[单选题]()是客户获得企业商业信用所应具备的最低条件。
A.信用条件
B.信用标准
C.信用记录
D.收账政策
[单选题]预防白血病患者鼻出血,室内湿度多少为宜()
A.30%-40%
B.50%-60%
C.70%-80%
D.80%-90%
[单项选择]The integration of staff for training has led to a good exchange of ideas, greater enthusiasm, and higher staff ______.
A. moral
B. mortal
C. morale
D. mores
[单项选择]新保守派的主要观点()
A. 劳动关系是具有经济理性的劳资双方之间的自由、平等的交换关系,双方具有不同的目标和利益。
B. 员工与企业的利益基本是一致的。
C. 雇员对公平和公正待遇的关心,同管理方对经济效率和组织绩效的关心是相互冲突的。
D. 在经济中代表工人的劳动利益与代表企业的所有者和管理者的资本的利益是完全对立的。
[单选题]我国社会主义建设的根本任务,是进一步解放生产力,发展( ) ,逐步实现社会主义现代化,并且为此而改革生产关系和上层建筑中不适应生产力发展的方面和环节。
A.市场经济
B.社会主义
C.生产力
D.科技
[单选题]下列案件中,不属于人民法院立案管辖的是( )。
A.重婚罪
B.破坏选举罪
C.非法侵入他人住宅案
D.妨害通信自由
[多选题] 请选出整个NFV是由以下哪个模块构成( )
A.集中控制模块
B.集中转发模块
C.虚拟网络功能模块
D.NFV基础设施模块
E.NFV管理和编排模块
[判断题]胶片未曝光部分变为透明时,即说明定影过程已经完成。
[单项选择]女性,53岁。呕血、便血6小时。量约3000ml,伴轻度意识障碍。患肝炎后肝硬化10年。入院体检:血压90/60mmHg,心率120次/分。巩膜轻度黄染,腹平、软,肝未及,脾肋下7cm,移动性浊音阳性,肠鸣音稍亢进。下列处理正确的是()
A. 应用三腔二囊管压迫止血
B. 以冰盐水和去甲肾上腺素洗胃,同时可给予血管升压素或生长抑素静点
C. 给予止血药物
D. 给予抗酸药物
E. 以上均正确
[判断题]干部使用的卧具应当与消防员一致。
A.正确
B.错误
[多选题]下列关于信息处理及流程的说法正确的是( )。
A.对正在发生、有重大人员伤亡或可能造成重大经济、政治、社会影响的火灾事故,作战指挥中心专职值班员在调集力量的同时,向作战指挥中心主任、值班长、值班首长、司令部(防火处)领导、分管领导、军政主官报告
B.对正在发生、有重大人员伤亡或可能造成重大经济、政治、社会影响的应急救援,作战指挥中心专职值班员在调集力量的同时,向作战指挥中心主任、值班长、值班首长、司令部(防火处)领导、分管领导、军政主官报告
C.需要全勤指挥部遂行出动的,要向指挥长、总指挥报告,并按照指示通知各组人员出动
D.需要全勤指挥部遂行出动的,立即通知各组人员出动,无需向指挥长、总指挥报告
[多项选择]专利法第26条第三款中所述的“所属技术领域的技术人员能够实现”,是指所属技术领域的技术人员按照说明书记载的内容,就能够()。
A. 实现该发明或者实用新型的技术方案
B. 解决其技术问题
C. 产生预期的技术效果
D. 满足专利法第22条实用性的要求
[名词解释]酵母菌
[单项选择]张某,患慢性支气管炎10余年,近日感冒后病情加重,症见咳喘气急,胸部胀闷,痰白量多,伴有恶寒,身热,无汗,口不渴,舌苔薄白而滑,脉浮紧。治疗应首选的方剂是
A. 麻杏石甘汤加减
B. 三拗汤加减
C. 小青龙汤加减
D. 平喘固本汤加减
E. 桑白皮汤加减
[多选题]继电保护、配电自动化装置、安全自动装置及自动化监控系统( )前,应通知运维人员和有关人员,并指派专人到现场监视后,方可进行。
A. 做传动试验
B.一次通电
C.进行直流系统功能试验
D.校验
[单项选择]应用角膜映光法估计斜视角的角度,下列正确的是()
A. 映光点偏向鼻侧为内斜
B. 映光点偏向颞侧为外斜
C. 映光点在瞳孔缘为偏5°
D. 映光点在瞳孔缘与角膜缘之间偏斜为25°~30°
E. 映光点在角膜缘时为偏60°
[简答题]电气化区段信号设备的各种地线安装时有什么要求?
[多选题].作战训练安全督察内容有( )。
A.安全形势分析
B.安全学习教育
C.安全技术训练
D.干部跟班作业
[判断题]为保证列车运行安全,须保证列车间以一定的安全防护空间运行,这种安全防护空间称为闭塞。( )
A.正确
B.错误
[多选题]理财客户购买信托产品时需要考虑的因素包括( )。
A.通货膨胀风险
B.投资项目风险
C.项目主体风险
D.信托公司风险
E.流动性风险
[多选题]下列对于临时代用券说法正确的是( )。
A.车站启用临时代用券获得批准时,在发售时要确认临时代用券上加盖站印,填写发售日期与时间,存根留在车站保存
B.发售临时代用券时,须严格按票面编号发售,一经发现车票有错误,则整叠车票不能使用,交回客运值班员处理
C.在接到乘客持地铁或轻轨发售的临时代用券出站时,确认信息无误后要收回临时代用券,为其发放付费出站票
D.临时代用券营收要专门存放,不得混入半自动营收中
[多项选择]患者男,36岁,因醉酒闹事被人砍伤多处,于午夜1点急症入院行清创缝合术,术前曾大量进食,患者大量失血,昏迷,生命垂危,需紧急在全麻下行清创和探查术。提示:全麻诱导给氧去氮时发现大量食物从口中涌出,患者SpO进行性下降。提问:针对此患者如何进行误吸预防?()
A. 术前服用降低胃液酸度和容量的药物
B. 麻醉诱导面罩吸氧时,尽可能采用深而快的辅助呼吸
C. 采用快诱导气管插管技术,缩短气管插管时间
D. 由于琥珀胆碱作用快速而短暂,因此不增加胃内压
E. 全麻诱导和气管插管时采用环状软骨按压技术(Sellick手法)
F. 如果患者清醒,可采用清醒插管
[判断题]机构投资者包括开放式基金、封闭式基金、社保基金,也包括参与证券投资的保险公司、证券公司,境外合格机构投资者,还包括一些投资公司和企业法人。()
[单项选择]螺内酯的描述错误的是
A. 肾功不良者不宜使用
B. 为中效利尿剂
C. 起效慢,维持时间久
D. 久用可致高血钾
E. 化学结构与醛固酮相似
[判断题]砍剪山坡树木应做好防止树木向下弹跳接近线路的措施。()
A.正确
B.错误
[判断题]事故发生单位的负责人和有关人员在事故调查期间不得擅离职守,并应当随时接受事故调查组的询问,如实提供有关情况。( )
A.正确
B.错误
[单项选择]Biologically, there is only one quality which distinguishes us from animals: the ability to laugh. In a universe which appears to be utterly devoid of humor, we enjoy this supreme luxury. And it is a luxury, for unlike any other bodily process, laughter does not seem serve a biologically useful purpose. In a divided world, a laughter is a unifying force. Human beings oppose each other on a great many issues. Nations may disagree about systems of government and human relations may be plagued by ideological factions and political camps, but we all share the ability to laugh. And laughter, in turn, depends on the most complex and subtle of all-human qualities: a sense of humor. Certain comic stereotypes have a universal appeal. This can best be seen from the world-wide popularity of Charlie Chaplain’s early films. The little man at odds with society never fails to amuse no matter which country we come from. As that great commentator on human affairs, Dr. Samuel Johnson, once remarked, "Me
A. spotlight the unifying force of a sense of humor.
B. stress the harmony between individuals and society.
C. highlight the incomparable luxury of humor.
D. show the distinction between humans and animals.
[填空题]

Questions 47 to 56 are based on the following passage. When we think of green buildings, we tend to think of new ones – the kind of high-tech, solar-paneled masterpieces that make the covers of architecture magazines. But the U.S. has more than 100 million existing homes, and it would be (1)wasteful to tear them all down and (2) them with greener versions. An enormous amount of energy and resources went into the construction of those houses. And it would take an average of 65 years for the(3) carbon emissions from a new energy-efficient home to make up for the resources lost by destroying an old one. So in the broadest (4),the greenest home is the one that has already been built. But at the same time, nearly half of U. S. carbon emissions come from heating, cooling and (5) our homes, offices and other buildings. "You can’t deal with climate change without dealing with existing buildings," says Richard Moe, the president of the National Trust. With some (6),

[单选题]伴有糖尿病的水肿病人,不宜选用哪种利尿药( )(1.14分)
A.布美他尼
B.氢氯噻嗪
C.螺内酯
D.乙酰唑胺
E.依他尼酸
[多项选择]垄断竞争性产品市场的特点包括( )。
A. 存在产品差异性
B. 技术密集型
C. 生产者对其产品的价格有一定的控制能力
D. 生产的产品同种但不同质
[单选题]采取避让措施中,最忌讳的是
A.A大幅度的向左转向
B.B大幅度的向右转向
C.C航向航速做一连串的小变动

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