[单选题]以下那一个效率不是组成泵效率的部分( )-我要搜题网

[单选题]患儿，3岁，男，从2岁时反复咳嗽喘息发作，冬季明显加重，尤以夜间为著。每年发作7～8次，每次持续3～6周，抗生素治疗效果不好。其母有“慢性支气管炎”。24小时PEFR变异率为25%，激发试验FEV1下降30%。应首先考虑
A.胰腺囊性纤维性变
B.支气管炎
C.间质性肺炎
D.支气管哮喘
E.毛细支气管炎

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[单选题]在道路上驾驶机动车( )

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[判断题]某公共娱乐场所使用不合格的消防产品被责令整改后,依然拒不整改,后被依法作出责令停产停业处罚,但该娱乐场所拒不停产停业,公安机关只能申请人民法院强制执行。
A.正确
B.错误

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[单选题]幕墙与主体结构连接的各种（　　），其数量、规格、位置和防腐处理必须符合设计要求。（GB 50210—2018《建筑装饰装修工程质量验收标准》11.1.12）
A.A.预埋件
B.钢筋
C.螺栓
D.面板

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[多选题] 下列属于过失犯罪的有（）
A. 放火罪
B. 玩忽职守罪
C. 失火罪
D. 交通肇事罪

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[判断题]严禁用水扑救遇湿易燃、易爆物质火灾，严禁使用开花水流扑救可燃粉尘、强腐蚀性物质火灾。（）
A.正确
B.错误

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[单选题]贷款抵押是指借款人或第三人在()的情况下,将财产作为债权的担保,银行持有抵押财产的担保权益,当借款人不履行借款合同时, 银行有权以该财产折价或者以拍卖、变卖该财产的价款优先受偿。
A.不转移财产占有权
B.转移财产占有权
C.不转移财产使用权
D.转移财产使用权

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[多项选择]二度Ⅱ型窦房传导阻滞的心电图表现是（　）
A. 长间歇有规则的出现
B. P-P间距逐渐缩短，但无脱漏
C. 长间歇后出现房性、交界性或室性逸搏
D. 心室律规则
E. 在一段长间歇中无P-QP，S-T，间歇常等于正常窦性P-P间距的2倍或3倍

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[判断题]配备枪支的个人携带枪支时未携带持枪证件的，由公安机关扣留枪支。
A.正确
B.错误

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[填空题]Do you know what lungs (肺) are like (11) are in the upper part of our bodies. We have two of them. There are thousands of little pipes (管子) going through them. The (12) are like the branches of a tree and they go through every part of each lung. When we breathe in, air goes through the nose and mouth and travels down a large pipe. The other end of this pipe becomes two smaller pipes and each goes into one lung. (13) passes through those pipes and is carried around the body.
When you (14) , your upper body moves in and out. To breathe in, air rushes into your lungs. To breathe out, air is forced out of your lungs. The air we breathe goes into every part of the lungs through the branching pipes. They take it to the (15) which is moving all the time through the lungs and round to every part of our bodies. The blood goes around our body and back to the lungs in a very short time.

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[单选题]案防运行机制的工作衔接机制是（）。
A.按照“内控优先、制度先行”和“开办一项业务、出台一项制度、建立一项流程”的要求完善内控制度，规范工作衔接程序
B.按照“内控优先、制度先行”和“开办两项业务、出台两项制度、建立两项流程”的要求完善内控制度，规范工作衔接程序
C.按照“内控优先、制度先行”和“开办三项业务、出台三项制度、建立三项流程”的要求完善内控制度，规范工作衔接程序
D.按照“内控优先、制度先行”和“开办一项业务、出台一项制度”的要求完善内控制度，规范工作衔接程序

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[单项选择]

F

Today there are policemen everywhere, but in 1700, London had no policemen at all. A few old men used to protect the city streets at night and they were not paid.
About 300 years ago, London was starting to get bigger and more and more people began to live there. The city was very dirty and many people were poor. There were so many thieves who stole money in the streets that people stayed in their homes as much as possible.
In 1750, Henry Fielding started to pay a group of people to stop thieves. They were like policemen and were called "Bow Street Runners" because they worked near Bow Street.
Fifty years later, there were 120 "Bow Street Runners", but London had become very big and needed more policemen. So in 1829, the first Metropolitan(or London)Police Force was started with 3,000 officers. Most of the men worked on foot, but a few rode horses. Until 1920 all the police in London were men.
Today, the London polic
A. the same as their workmates
B. more than their workmates
C. half as much as their workmates
D. less than their workmates

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[单选题]在Windows环境下,当微机新安装一台打印机时,使用前必须为该打印机安装()方
A.打印纸
B.命令
C.菜单
D.驱动程序

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[多选题]制动电阻的维护内容包括（）。
A.电阻箱上及电阻箱附近无杂物摆放
B.电阻箱外壳无变形，破损，壳体接地连接牢固。
C.电缆无烧灼、老化、放电等痕迹。
D.测量电阻阻值应为（0.9±5%）欧姆

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[判断题]所有吊物孔、没有盖板的孔洞、楼梯和平台，应装设不低于1000mm高的栏杆和不低于100mm高的护板。
A.正确
B.错误

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[单选题]以下那一个效率不是组成泵效率的部分( )
A.容积效率
B.水力效率
C.电机效率
D.机械效率

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[单选题]以下那一个效率不是组成泵效率的部分( )A.容积效率B.水力效率C.电机效率D.机械效率

热门试题:

[单选题]以下那一个效率不是组成泵效率的部分( )
A.容积效率
B.水力效率
C.电机效率
D.机械效率