热门试题:
[单项选择]对于结核性胸腔积液穿刺抽液时，一次抽液量不超过
A. 100ml
B. 500ml
C. 300ml
D. 1000ml
E. 1500ml
[单选题]儿童鼻中隔严重偏曲引起剧烈头痛宜采用的治疗方法是
A.鼻中隔黏膜下切除术
B.鼻中隔切除术
C.偏曲侧下鼻甲部分切除术
D.鼻中隔矫正术
E.0．5％麻黄素滴鼻
[判断题]装设、拆除接地线可不在监护下进行。
A.正确
B.错误
[判断题]需要三相四线制配电的电缆线路可以采用四芯电缆外加一根绝缘导线替代。 ( )
A.正确
B.错误
[单项选择]In 1789 the US government passed a law which said that the land of the American Indians could never be taken from them without their agreement. One hundred years later, however, the Indians had only a very small part of the lanai that originally belonged to them. How did this great injustice occur
After 1812 white settlers began to move west across North America. At first, the settlers and the Indians lived in peace. However, the number of settlers increased greatly every year, and slowly the Indians began to see the white settlers as a danger to their survival. To feed themselves, the settlers killed more and more wild animals. The Indians, who depended on these animals for food, had to struggle against starvation. The settlers also brought with them many diseases which were common in white society, but which were new for the Indians. Great numbers of Indians became sick and died. Between 1843 and 1854 the Indian population in one area of the country went down from 100 000 to
A. They became sick and died.
B. They began to fight the whites.
C. They had to struggle against starvation.
D. They launched a war against the whites which lasted for a hundred years.
[单项选择]行政法最高原则是（）原则。
A. 行政公开
B. 行政法治
C. 行政公正
D. 四项基本
[单项选择]招聘总成本效用的计算公式为( )。
A. 总成本效用=录用人数/招聘总成本
B. 总成本效用=应聘人数/招募期间的费用
C. 总成本效用=被选中人数/选拔期间的费用
D. 总成本效用=正式录用的人数/录用期间的费用
[单选题]补偿电容与应答器之间的距离应不小于( )。【高速铁路信号工程施工质量验收标准P46】
A.0.5m
B.1m
C. 1.5m
D. 2m
[单选题]委托代理授权采用____，授权委托书应当载明代理人的姓名或者名称、代理事项、权限和期限，并由被代理人签名或者盖章。
A.口头形式的
B.书面形式的
C.公告
D.告知书
[判断题] 特种作业人员未按照规定经专门的安全作业培训,未取得相应资格,上岗作业导致事故的,应追究生产经营单位有关人员的责任。( )
A.正确
B.错误
[单选题]汛期为上、下游防洪及水库安全运行而设立的允许最高蓄水位是( )。
A. 设防水位
B. 警戒水位
C. 保证水位
D. 汛限水位
[单项选择]医院感染管理委员会的主要职责是
A. 依据有关政策法规，制定全院控制医院感染规划、管理制度，并组织实施
B. 根据《综合医院建筑标准》有关卫生学标准及预防医院感染的要求，对医院的改建、扩建和新建，提出建设性意见
C. 对医院感染管理科拟定的全院医院感染管理工作计划进行审定，对其工作进行考评
D. 建立会议制度，定期研究、协调和解决有关医院感染管理方面的重大事项；遇有紧急问题随时召开
E. 以上都是
[判断题]处置台风灾害时，必要时可以单独行动。()
A.正确
B.错误
[单选题]
轨缝调整器活动斜铁夹轨器向外位移是( )。
A.降低轨
B.调高轨
C.夹轨
D.松轨
[多选题]进风井口必须布置在（ ）气体不能侵入的地方。
A.粉尘
B.有害
C.高温
D.高压
[多项选择]毛白杨通常采用（）等方式繁殖育苗。
A. 播种
B. 埋条
C. 插根
D. 嫁接
[单选题]中小学黑板照度不低于( )
A. 150LX
B. 200LX
C. 300LX
[判断题]道间温度是指多层多道焊接过程中，后道焊缝焊接时，前道焊道的瞬时温度。
A.正确
B.错误
[单选题]调车作业要准确掌握速度，接近被连挂的车辆时，不准超过（）km/h。
A.3
B.5
C.7
[单选题]气相色谱分析的仪器中，载气的作用是（）。
A.载气的作用是携带样品，流经汽化室、色谱柱、检测器，以便完成对样品的分离和分析。
B.载气的作用是与样品发生化学反应，流经汽化室、色谱柱、检测器，以便完成对样品的分离和分析。
C.载气的作用是溶解样品，流经汽化室、色谱柱、检测器，以便完成对样品的分离和分析。
D.载气的作用是吸附样品，流经汽化室、色谱柱、检测器，以便完成对样品的分离和分析。
[多选题]电能作为( )的二次能源,能够替代绝大多数能源需求,是未来最重要的终端能源
A.优质
B.清洁
C.高污染
D.高效
[判断题]直到1978年以前，中国几乎将所有旅游资源和接待能力集中用于入境旅游，其主要目的是为当时的国家经济建设赚取外汇。
[多选题]穿着一级化学防护服可以进入( )等场所作业。
A.高温
B.盐酸
C.氯气
D.无氧
E.硝酸
F.汽油
[单选题] 为预防油罐冒顶,特殊情况下要( )。
A.脱水
B.加热
C.定期检尺
D.不定期检尺
[单项选择]
Directions: In this section, you will hear
one long conversation. The conversation will be read only once. At the end of
the conversation, there will be a one-minute pause. During the pause, you must
read the four questions, each with three choices marked A, B and C, and decide
which is the best answer.
What was the man’s first feeling about the price of the sofa A. The price $250 might include the two armchairs. B. The price $250 was too cheap. C. The price $250 was acceptable.
[单项选择]下列哪种炎症介质具有趋化作用（）。
A. 组胺
B. C5a
C. C3b
D. 缓激肽
E. 活性氧代谢产物
[单项选择]下列哪一项不符合演讲选题的要求（）。
A. 主题要鲜明深刻
B. 适合听众需求
C. 切合演讲者自身实际
D. 只根据演讲者自己的好恶选择
[单选题]拒绝、阻挠知识产权主管部门和知识产权管理部门依法行使职权的,由知识产权主管部门和知识产权管理部门予以( );构成违反治安管理行为的,由公安机关依法予以治安处罚;构成犯罪的,依法追究刑事责任。
A.警告
B.诫勉谈话
C.拘留
D.扣押
[单选题]常规甲亢术前准备不包括下列哪项？（ ）
A.气管正侧位摄片
B.基础代谢率测定
C.动态心电图
D.喉镜检查
[单选题]复合通行卡（CPC卡）是集5.8GHz和（ ）通信功能于一体的通行介质
A.13.56MHz
B.5.8MHz
C.15.8GHz
D.15.8MHz
[判断题]根据JJG 596—2012《电子式交流电能表检定规程》要求，安装式电子式电能表校核常数通常采用计读脉冲数法，恒定负载法和走字试验法。
A.正确
B.错误
[单选题]电信人员执照申请材料不包括()(4632)
A.身份证复印件
B.学历复印件
C.结婚证复印件
[单选题]设备命名应为（ ），由设备名称和设备编号组成。
A.A.单重名称
B.B.双重名称
C.C.设备铭牌
[判断题]检修电源屏应注意及时清除污垢，尤其是焊接后遗留的焊油之类。长期在整流二极管的正负极间堆积尘土，容易引起故障。（）
A.正确
B.错误
[简答题] An e-book, also known as an electronic(电子的) book, is an electronic version (版本) of a print book that you can download (下载) and read. What you need in order to read an e-book is an E-book Reader, which is a kind of free software used by your computer. Make sure you have the proper Reader free software used by your computer. Make sure you have the proper Reader before you download your e-book from the Internet. The software allows you to turn the words on the screen into proper size you like. It also helps you turn pages and change your choice of viewing. E-books are a fun alternative to regular books. You can download them to any computer, including your portable (便携式) computer so you can take them with you when you travel, and create your own library of hundreds of titles. Best of all, when you order an e-book, there is no waiting and no shipping or handling charges. The amount of time it takes to download your e-book depends on the speed of your connection and the size of your e-b
