热门试题:
[单选题]专用铁路的列车和调车车列进入国铁接轨站时,必须接入接车线末端有隔开设备的线路。无法隔开时,在( )接发列车的同时,禁止接入专用铁路的列车和调车车列。
A.岔线
B.段管线
C.正线、到发线
D.货物线
[单项选择]根据力量素质与运动体重的关系,可以分为( )
A. 一般力量与专项力量
B. 绝对力量与相对力量
C. 最大力量与最小力量
D. 上述都不对
[单选题]急性肾炎的治疗,下列哪项是错误的( )
A.急性期1~2周内可在室内活动
B.防止并发症
C.青霉素为特效治疗
D.保护肾功能
E.对症治疗,低盐饮食
[单项选择] Every human being, no matter what he is doing, gives off body heat. The usual problem is how to dispose of it. But the designers of the Johnstown campus of the University of Pittsburgh set themselves about the 51 problem ------how to collect body heat. They have designed a collection system which utilizes not only body heat, but the heat given off by such objects as light bulbs and refrigerators as well. The system works so well 52 no conventional fuel is needed to make the campus’ six buildings comfortable.
Some parts of the buildings ------ theatres and offices 53 classrooms ------ are more than amply heated by people and lights and sometimes must be air-conditioned 54 in winter. The technique of 55 heat and redistributing it is 56 “Heat recovery”. A few modern buildings recover __57__, but the university’s system is the first to recover heat 58 some buildings and reuse it in 59 . Along the way, Pitt has learned a great deal about some of its heat producers. The 60 a studen
A. easy-going
B. fun-making
C. hard-working
D. good-for-nothing
[判断题]泵的扬程应满足室内最不利点消火栓等灭火设备的压力,同时应保证火警后5分钟内开始启动供水。( ) (中)
A.正确
B.错误
[单选题]电动工具应做到“一机一闸一保护”,( )一个开关或一个插座接两台及以上电气设备或电动工具。
A.防止
B.严禁
C.允许
D.不宜
[多选题]下列关于岩浆岩等粒结构叙述正确的是()。
A.岩石中矿物全部为结晶质
B.同种矿物颗应大小近于相等
C.颗粒大小均匀
D.粒度大小是连续的
E.各种矿物颗粒大小近于相等
[多项选择]我国现行宪法对公务员履职的原则性要求有()
A. 一切国家机关实行精简的原则
B. 一切国家机关实行工作责任制
C. 一切国家机关实行工作人员的培训和考核制度
D. 一切国家机关实行竞争上岗制度
[多选题]防洪工作原则有哪些()
A.统一领导,分级负责
B.预防为主,安全第一
C.全力抢修,先通后固
D.科学防洪,提高效率
[单选题]手术中手套污染后应( )
A.更换无茵手套
B.用碘酊消毒
C.用 7%乙醇消毒
D.加戴一只无菌手套
E.重新浸泡手后再戴无菌手套
[单选题]下列哪种情况产生急性肺水肿时,宜用吗啡
A.风心病二尖瓣狭窄伴肺部感染
B.急性心肌梗死伴休克
C.急性心肌梗死伴持续性疼痛
D.主动脉瓣关闭不全伴呼吸抑制
E.急进性高血压伴神志不清
[判断题]动力转向装置按其传能介质的不
同,分为液压式和气压式两种。
A.正确
B.错误
[多选题]引起接触器触头过热的原因是( )
A.动、静触头之间的接触电阻增大
B.通过动、静触头之间的电流过大
C.动、静触头之间的压力减小
D.动、静触头之间的电流减小
[单项选择]国家安全机关、公安机关、有关军事机关开展国家安全专门工作,可以依法采取必要手段和方式,有关部门和地方应当在职责范围内()。
A. 提供必要的帮助
B. 提供支持和配合
C. 主动协作
D. 提供人力支持
[填空题]法国作家巴尔扎克的作品()中成功塑造了世界文学人物画廊中著名的吝啬鬼形象。
[单选题](47793)200≥vmax>160km/h正线,轨道动态质量容许偏差管理值,车体垂向加速度Ⅲ级偏差管理值为(
)g。(1.0分)
A.0.06
B.0.09
C.0.1
D.0.15
[单选题]静态投资包括建筑安装工程费,设备和工、器具购置费,工程建设其他费用和( )。
A.预备费
B.基本预备费
C.涨价预备费
D.未明确项目准备金
[单项选择]为预防结核病的发生及流行,下列各项措施中最为关键的是()
A. 出生后定期接种卡介苗
B. 加强营养
C. 锻炼身体,增强抵抗力
D. 隔离并治愈排菌病人
E. 对易感者及密切接触排菌病人者预防用药
[单选题]3.4.涉农补贴资金只能发放到财政补贴用途的账户中。( )
A.正确
B.错误
[单选题]患者,男,55岁。火灾事故中,大面积烧伤后1天入院,约占全身35%的面积为大小水疱,血压偏低。患者的主要病理生理改变是()。
A.休克
B.心功能衰竭
C.肾衰竭
D.肝功能衰竭
E.感染
[判断题]现在流通的美元纸币中数量最多的是合众国钞票。()
A.正确
B.错误
[单选题]建筑施工企业的分公司、区域公司等较大的分支机构应依据实际生产情况配备不少于
( )名的专职安全生产管理人员。
A.1
B.2
C.3
D.4
[单选题]交流电在某一时刻的值称为( )。
A.最大值
B.瞬时值
C.最小值
D.平均值
[判断题]抢险救援靴主要由靴底、靴帮和靴头三部分构成。( )(易)
A.正确
B.错误
[单项选择]The main difficulty the writer had in reading in her 7th grade was that ______.
A. she often forgot her school reading assignments
B. she had difficulty reading with comprehension
C. she had a poor vocabulary and very bad grammar
D. she always looked elsewhere when asked to read
[单项选择]不用于支气管激发试验的药物为()
A. 乙酰甲胆碱
B. 组胺
C. 高渗盐水
D. 蒸馏水
E. 抗胆碱能药
[填空题]瓦斯爆炸必须具备三个条件:即瓦斯浓度在();有引爆火源,温度在650-750℃;氧气浓度不低于()。
[单选题] 在线间距不足6.5米地段进行清筛、成段更换钢轨及轨枕、成组更换道岔,邻线列车应限速( )km/h及以下,做好隔离并按规定进行防护。
A.45
B.60
C.80
D.160
[单选题]停电接地时,检修部分若分为几个在电气上不相连接的部分[如分段母线以隔离开关(刀闸)或断路器(开关)隔开分成几段],则各段应( )
A. 分别验电接地短路
B.在来电侧接地短路
C. 在来电侧验电接地短路
D. 在母线侧接地短路
[单选题]省内携号业务办理满( )后,到归属地指定营业厅专席取消省内携号业务,号码重新携回到原归属地后,可以办理携号转网。
A.3个月
B.6个月
C.12个月
D.24个月
[判断题]垂直B2B电子商务可分为上游和下游两个方向。
A.正确
B.错误
[填空题]
In the following article some paragraphs or sentences have been removed. For questions, choose the most suitable paragraph or sentence from the lists A—F to fit into each of the numbered gaps. There is one paragraph which doesn’t fit in any of the gaps. Mark your answers on the ANSWER SHEET 1.
Nearly three years ago, I tested positive for HIV. Since then I have discovered a support system that steadfastly refuses to encourage responsible behavior, and a society whose silence ensures the continued spread of this disease.
16. ____________
The people I am talking about are nothing like Nushawn William, the drug dealer who is believed to have infected numerous people in New York State. They did not grow up in ghettos surrounded by street gangs. They come from stable homes in safe neighborhoods. They went to high school and college and graduate school.
17.____________
We are more than 15 years into the MDS epidemic, and I have been a
[单项选择]患者3岁,腹泻入院,给其测体温及记录,下述正确的是()
A. 口腔测量法:3分钟,用蓝“●”
B. 直肠测量法:3分钟,用蓝“○”
C. 直肠测量法:3分钟,用蓝“●”
D. 腋下测量法:5分钟,用蓝“○”
E. 腋下测量法:10分钟,用蓝“×”