热门试题:
[单选题]氨气进入饱和器后首先生成的是(___).
A.硫酸铵
B.硫酸氢铵.
C.A、B都不是
[单选题] 呼吸机相关性肺炎(简称VAP)是一种严重的、典型的医院获得性肺炎,主要是指使用机械通气()小时之后发生的肺部感染。 [单选题] *
A.12
B.24
C.36
D.48
[单项选择]最少见的脱位是()。
A. 肩关节后脱位
B. 肩关节前脱位
C. 桡骨小头半脱位
D. 髋关节后脱位
E. 指间关节脱位
[单项选择]肝癌结节破裂出血可引起()
A. 黄疸加深
B. 腹部剧痛
C. 食欲减退
D. 高热不退
E. 呕血不止
[单项选择]空气断路器由触点系统、(),操作机构和保护装置构成。
A. 灭弧装置
B. 试验按钮
C. 弹簧机构
D. 脱扣器
[判断题]工作许可可采用短信传达。
A.正确
B.错误
[单项选择]目前最重要的治疗措施是
A. 镇静止痛观察
B. 有效控制血压
C. 强心利尿
D. 继续静脉给予硝酸甘油
E. 给氧
[单项选择]10个月婴儿,单纯母乳喂养,虚胖,中度贫血,头部震颤。处理首先应:()
A. 口服叶酸
B. 肌注维生素B
C. 口服铁剂
D. 输血
E. 口服多种维生素
[单项选择]关于消化液分泌的叙述,正确的是
A. 食物对口腔的刺激引起条件反射性唾液分泌
B. 刺激副交感神经可抑制大肠液分泌
C. 交感神经的反射可促进胃液分泌
D. 胆汁的生成量与蛋白质的摄入量有关
E. 胰液仅参与脂肪和蛋白质的消化
[单选题]在一个6Q的电阻器上产生了3A的电流,回路内的电压为( )V()[1分]
A.15
B.16
C.17
D.18
[判断题][T]A-A-210 4 1 3
地面以下的砌体也可使用空心砖。
A.正确
B.错误
[单项选择]What do the extraordinarily successful companies have in common
To find out, we looked for correlations. We know that correlations are not always reliable; nevertheless, in the 27 survivors, our group saw four Shared personality traits that could explain their longevity (长寿).
Conservatism in financing. The companies did not risk their capital gratuitously (无缘无故). They understood the meaning of money in an old-fashioned way; they knew the usefulness spare cash in the kitty.
Money in hand allowed them to snap up (抓住) options when their’ competitors could not. They did not have to convince third-party financiers of the attractiveness of opportunities they wanted to pursue. Money in kitty allowed them to govern their growth and evolution.
Sensitivity to the world around them. Whether they had built their fortunes on knowledge or on natural resources, the living companies in our study were able to adapt themselves to change in the world around them. As wars
A. Keeping central control
B. Willing to change
C. Saving money in an old-fashioned way
D. Choosing managers from within the company
[多选题]对同一正弦电流而言,( )。
A.电阻电流与电压同相
B.电容电压滞后电流90°
C.电感电压超前电流90°
D.电感电压与电容电压反相
[单项选择]患者,女性,25岁,3年来多次昏倒,数分钟后恢复。体检:坐位时,心尖区有舒张期隆隆样杂音,卧位时该杂音消失。超声检查左心长轴切面在左房内呈现云团状肿块切面回声,其瘤体回声随心脏舒张与收缩而活动。最可能为()。
A. 风湿性心脏病二尖瓣狭窄
B. 肺心病
C. 左房黏液瘤
D. 肥厚性梗阻型心脏病
E. 风湿性心脏病主动脉瓣狭窄
[单选题] 刮削表面精密度不准确的主要原因之一是( )。
A.研合显点时刮削表面受力不均匀
B.刮刀几何角度过大
C.刀刃处有很小的缺口或裂纹
D.显示剂不清洁
[多项选择]合伙企业合伙人可以用( )出资。
A. 货币
B. 实物
C. 土地所有权
D. 知识产权
E. 其他财产权利
[单选题] 下列行为不构成泄露不应公开的案件信息罪的是( )。
A.司法工作人员甲泄露依法不公开审理的案件中不应当公开的信息,造成信息公开传播的严重后果
B.辩护人乙泄露依法不公开审理的案件中不应当公开的信息,造成国家秘密公开传播
C.诉讼代理人丙泄露依法不公开审理的案件中不应当公开的信息,造成严重后果
D.原告丁泄露依法不公开审理的案件中不应当公开的信息,造成信息公开传播,后果严重
[不定项选择题]In 2008, the United States Department of Agriculture (USD
A) wanted to know if all the school lunches served to students were healthy. The answer was a big, fat NO!
The USDA found that most American schools served lunches with too much fat and salt. They also found that most of the fruits and vegetables in the lunches came from cans(罐头). Canned fruits and vegetables are not as good as fresh ones.
The USDA gives schools food and money to make lunches. But schools make up their own menus. Some make healthy lunches. Most do not. Now the USDA wants all schools to serve more healthy lunches. They want schools to follow the USDA's guidelines for balanced (均衡) meals.
Mike Sanders, in charge of the USDA in 2008, said the USDA should teach school workers how to make healthier lunches. "A good school lunch is just as important as a good textbook," Sanders said. He said that children also need to learn about healthy foods.
The USDA is working off a new program--Fresh Start. It will give schools more fresh fruits and vegetables. Fresh Start will also help schools change their lunches to make them healthier.
To find the best way to change lunches, the USI)A held meetings with parents, school leaders,doctors, and cooks.
Children already eat healthy lunches at Chief Joseph School in North Saratoga, Oregon.They have whole -wheat bread with low-fat cheese, and low-fat milk.
What was Mike Sanders?
A.A school headmaster.
A.An office secretary.
B.The director of Fresh Start.
C.The head of the USD
D.
[判断题]罐式断路器套管现场保管时,应垂直放置。( )(GB 50147—2010《电气装置安装工程 高压电器施工及验收规范》4.1.5)
A.正确
B.错误
[单选题]各级运输部门,均应与( )有关单位密切配合,共同编制和执行运输方案。
A.有关部门
B.局管内有关部门
C.局管外有关部门
D.路内外有关部门
[单项选择]
患者男性,49岁,发作性胸骨后疼痛2天,含服硝酸甘油可缓解,1小时前再发胸痛伴大汗,含服硝酸甘油不能缓解就诊,急查心电图示V1~V3导联ST段抬高0.5~0.8mV,呈单向睦线,未见坏死性Q波。
该类型患者最佳的溶栓时间是()
A. 6~12小时
B. ≤6小时
C. ≤12小时
D. ≤24小时
E. ≤48小时
[判断题]对于冻伤急救,应迅速脱离寒冷环境,防止继续受冻,并抓紧时间尽早快速复温。
A.正确
B.错误
[单项选择]按照公共选择理论,行政官员的“理性经济人”动机会引起( )。
A. 政府机构膨胀
B. 选举费用日益上涨
C. 政府机构精简
D. 经济产生周期危机
[单选题]某汽车组装厂技术升级换代,部分工人需要转岗,其中一些青年工人因缺少新技能,担心未来没有合适的岗位,感到焦虑和送茫,企业社会工作者小袁针对这些青年工人的上述情况开展了小组工作,引导组员了解社会发展趋势,树立“大局意识”,通过角色扮演等小组体验方式,使组员能有效运用周围环境资源,明确自我发展的优势与面临的困难,进行自我规划与决策,顺利实现转岗,小袁开展的小组工作类型是( )
A.压力管理小组
B.生涯探索小组
C.情绪舒缓小组
D.技能教育小组
[单项选择]盐酸异丙肾上腺素主要用于治疗支气管哮喘、低血压及中毒性休克和
A. 心脏骤停
B. 过敏性休克
C. 过敏性哮喘
D. 肾功能衰竭
E. 心绞痛
[单选题]绕行停留车辆时其距离不得小于( )m,并注意车辆动态和邻线开来的列车。
A.5
B.6
C.8
D.10
[判断题]气瓶检验单位可对钢瓶进行焊接和补焊。
A.正确
B.错误
[单选题]油脂的选择和鉴定,主要依据制品的需要,从油脂的气味、滋味、颜色及( )等方面加以鉴别。
A.形态
B.密度
C.熔点
D.透明度
[单选题]建筑电气工程,镀锌梯架、托盘和槽盒本体之间不跨接保护联结导体时,连接板每端不少于( )个有防松螺帽或防松垫圈的连接固定螺栓。(GB 50303—2015《建筑电气工程施工质量验收规范》11.1.1)
A.A.1
B.B.2
C.C.3
D.D.4
[多选题]根据气体的压力、电极形状和电场强度的不同,气体放电可以具有()几种形式。
A.火花放电
B.电弧放电
C.电晕放电
D.辉光放电
E.静电放电
F.lue
G.lue
H.lue
[单项选择]关于人绒毛膜促性腺激素的说法正确的是()
A. 受孕后9~13天明显升高,第8~10周达高峰后迅速下降
B. 为一种糖蛋白激素,有一个侧链
C. 由蜕膜、绒毛膜及羊膜的上皮细胞分泌
D. 在妊娠早期替代垂体功能,促使妊娠黄体发育
E. 测定血HCG可作为上皮性恶性肿瘤的监测
[单项选择]元音和辅音的主要区别在于()。
A. 声带是否振动
B. 气流是否受到阻碍
C. 声音是否响亮
D. 发音器官肌肉是否均衡紧张
[单选题]下列选项中,合同管理属于BIM技术应用与项目管理系统框架中的()部分。
A.基础层
B.服务层
C.表现层
D.应用层
[单选题]《普速铁路工务安全规则》规定线路架空或加固后桥涵顶进,慢行施工,施工结束后,第一列限速45km/h不少于()。
A.6h
B.8h
C.12h
D.16h
[判断题]上爬梯应逐档检查爬梯是否牢固,上下爬梯应抓牢,应两手同时抓一个梯阶。
A.正确
B.错误
[单选题]按照药性升降浮沉理论,具有升浮药性的药物是( )
A.重镇安神药
B.平肝息风药
C.开窍药
D.清热药
E.泻下药