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题目详情:

[多项选择]离心机回转系统包括()。
A. 主轴装臵
B. 卸料系统
C. 传动装臵
D. 支承装臵

热门试题:

[单项选择]下列属于工程建设其他费用中研究试验费的是( )。
A. 新产品试制费
B. 验证设计参数的费用
C. 整个生产线或装置的符合联合试运转所发生的费用
D. 施工企业对建筑材料进行一般鉴定的费用
[判断题]大型静置设备、设施拆除工程开工前,应根据工程特点、设备、设施情况、工程量等编制安全专项方案,应经项目经理签字批准后实施。( )
A.正确
B.错误
[多选题] 下列不应当追究刑事责任的是( )。
A.犯罪嫌疑人甲和被害人乙在审查起诉阶段就赔偿达成协议,被害人乙要求不追究甲的刑事责任
B.甲侵占案中被害人乙没有起诉
C.丙犯罪情节轻微,对社会危害不大
D.犯罪嫌疑人丁在被抓前自杀身亡
[多选题]《塔里木油田钻井井控实施细则》规定:固井作业井控要求:通过选择合理的( )等技术措施,保证固井作业期间压稳油气水层。
A.固井方法
B.注水泥施工设计
C.高密度钻井液
D.关井憋压候凝
E.关井检查
[填空题]In the schools of ancient times, the most important examinations were spoken. Usually the students were supposed to say poetry aloud or give (1) or discuss questions. Although the concrete forms of examinations were various, they were alike in their essence, that is, they were spoken, which partly remains till today.
However, modern examinations take a different form —— a written form, which was developed in the 19th century due to the increase in (2) and the development of modern industry. But in the process of examination, teachers and students are supposed to act like (3) but not human.
Commonly there are two types of tests used in modern schools. They are called "objective" test and " subjective" test respectively. With the former one concentrated on the (4) of facts while the latter one on personal (5) , the two are different in many ways. Of course they both have advantages and disadvantages. So far as the "objective" test is
[单选题].蒸汽中若含有不凝结气体,将_________凝结换热效果
A.大大减弱
B.大大增强
C.不影响
D.可能减弱也可能增强
[多选题]消防救援机构应当加强高层民用建筑的( )
A.消防安全法律、法规的宣传
B.督促消防安全宣传教育
C.指导消防安全宣传教育
D.消防设施维护
[填空题]变压器绝缘电阻不合格时,应查明原因,并用()或()法以判断变压器绕组受潮的程度。
[单选题]
普鲁卡因不可用于哪种局麻方式
A.蛛网膜下腔麻醉
B.浸润麻醉
C.表面麻醉
D.传导麻醉
E.硬膜外麻醉
[单项选择]
下面有3篇短文,每篇短文后有5道题,每题后面有4个选项。请仔细阅读短文并根据短文回答其后面的问题。
{{B}}第一篇{{/B}}
{{B}}Multivitamins Urged for All Pregnant Women{{/B}}
A recent study in Tanzania found that when pregnant women took vitamins every day, fewer babies were born too small. Babies that weigh less than two and one-half kilograms at birth have a greater risk of dying. Those that survive are more likely to experience problems with their development. And experts say that as adults they have a higher risk of diseases including heart disease and diabetes. The World Health Organization estimates that every year twenty million babies are born with low birth weight. Nine out of ten of them are born in developing countries.
The new study took place in Dar es Salaam. 4,200 pregnant women received multivitamins. The pills contained all of the vitamins in the B group along with vitamins C and E. They also contained severa
A. To reduce the rate of babies born too early.
B. To reduce the risk of low birth weight.
C. To reduce fetal deaths in pregnant women infected with HIV.
D. To increase the number of lymphocytes in mothers’ blood.
[单项选择]According to the passage which tale has its moralistic ending
A. Tales in the medieval beast cycles.
B. Tall tales.
C. The trickster tale.
D. The Brer Rabbit stories.
[单选题]动火工作负责人应是具备( )并经工区考试合格的人员。
A.工作票签发人资格;
B.工作许可人资格;
C.检修工作负责人资格;
D.有关部门颁发的合格证
[判断题]FZ-CTC型分散自律调度集中系统在路局中心部署1台动态口令身份认证服务器 ( )
A.正确
B.错误
[判断题]承发包工程中,工作票必须由设备运维管理单位签发。( )
A.正确
B.错误
[判断题]气体物质不需要经过蒸发,可以直接燃烧。(  )(易)
A.正确
B.错误
[单项选择]护理体检应把重点放在( )
A. 视诊
B. 触诊
C. 叩诊
D. 听诊
E. 嗅诊
[单选题]工业以太网组网宜采用( )拓扑结构。
A.星型
B.环形
C.链型
D.总线型
[单选题]在计算GNP指标时,是以本国常住居民生产的最终产品和服务的价值为原则,即( )。
A.只计算国内常住居民的劳动成果
B.不计算出口商品和劳务
C.进口的商品和劳务也应计算在内
D.本国企业和本国公民在国内与国外所创造的劳动成果,均计算在内
[配伍题](1).治疗痰饮病眩晕,宜选用()|(2).治疗破伤风证,宜选用() |(3).治疗外感风寒,宜选用()|(4).治疗鱼蟹中毒,宜选用()
A. 桂枝
B. 麻黄
C. 紫苏
D. 防风
[多项选择]张某被罚款200元的行政行为由大化街道派出所作出,张某对此行为向区公安分局提出了行政复议,张某对于复议决定仍不服,决定起诉,那么他如何确定被告可能存在的情形有:
A. 大化街道办事处
B. 大化街道派出所
C. 改变原具体行政行为的区公安分局
D. 维持原具体行政行为的区公安分局
[单选题]轨道动态不平顺峰值管理中线路(含道岔及调节器范围)各项偏差等级划分为( )。
A.一级
B.二级
C.三级
D.四级
[单项选择]

M: Susan, have you made any New Year’s plans
W: Just the usual. I’d like to do more weight reducing exercise, and I want to save some money.
M: Come on! Everybody makes those plans!
W. I know, Tiger. Well, I hope I’ll get a good job after I graduate this summer, but that’s not a plan. I’m going to work harder. How about you
M: I managed to give up smoking last July. That was last year’s promise to myself. And I want to get rid of my extra fat this year, so I’d like to join a health club.
W: Just what I want to do.
M: Well, what about Jerry, do you know
W: He told me he’d like to treat himself to a really nice vacation.
M: Oh Where did he think he would go
W: He might go to a quiet beach in New Zealand, or go fishing in Australia, He hasn’t made up his mind yet.

What does Susan want to do this summer()
A. Join a health club.
B. Get a good job.
C. Give up smoking.
[单项选择]消防站固定接警终端可根据出动单上的出动车辆,自动将出动的车辆状态变更为()。
A. 外出
B. 待修
C. 出动
D. 不可用
[单选题]本厂脱硫塔2D浆液循环泵的轴功率为( )Kw。
A. 594.8
B. 645.9
C. 697.2
D. 748.7
[单选题]室内消火栓栓口动压力不应大于 ( )Mpa。
A. 0.1
B. 0.5
C. 0.6
D. 1
[判断题]站线用罗马数字编号。( )
A.正确
B.错误
[简答题]锅炉排大汽门与锅炉安全阀在作用上有何区别?
[单项选择]鼻渊患者可见()
A. 鼻塞流清涕
B. 鼻塞流浊涕
C. 鼻塞流脓涕腥臭
D. 鼻出血或齿出血
E. 息灼,鼻翼煽动
[多项选择]胃管插入困难的原因()
A. 气管插管术后
B. 食管痉挛
C. 躁动
D. 不配合
E. 昏迷
[单选题]一个四分钟标准的沙漏和一个五分钟标准的沙漏进行6分钟的计时, 中途至少需要将沙漏颠倒几次?
A.2
B.3
C.4
D.5
[单选题] 用Outlook Express接收电子邮件时,收到的邮件中带有回形针状态标志,说明该邮件______。
A. 有病毒
B. 有附件
C. 没有附件
D. 有黑客
[判断题] 80.更换辙叉作业,摆正辙叉位置,调整好轨距、查照间隔、护背距离,安装夹板,使夹板与钢轨接触良好,穿入并拧紧接头螺栓,并由工务人员打好导接线。( )
A.正确
B.错误
[判断题]
资本家获得无偿占有的剩余价值后,并不是将其完全用于个人消费,而是将一部分转化为资本,用以购买追加的生产资料和劳动力,这就是资本主义简单再生产。
A.正确
B.错误
[单选题]灭火救援预案火势蔓延箭头和重点保卫主攻箭头按规定图例符号,着()颜色绘出。
A.红
B.黄
C.蓝
D.黑
[单选题]( )是指为主营业务岗位提供服务的非主营业务岗位。
A.临时性工作岗位
B.主要性工作岗位
C.辅助性工作岗位
D.替代性工作岗位
[单选题]扩张型心肌病病人心脏结构最基本的改变是
A.室间隔肥厚
B.心室容积变少
C.单侧或双侧心腔扩大
D.左心室肥厚
E.右心室流出道梗阻
[单选题](0.28分)【单选题】十二指肠大乳头位于十二指肠的:
A.上部
B.降部
C.水平部
D.升部
E.十二指肠空肠曲
[单选题]下列哪项属于使用救生软梯时需要注意的事项?
A.必须挂靠牢固
B.可选择任意地方作为支点
C.不必挂靠牢固
D.不可加挂副梯
[单选题]( )指金融机构开展的人民币与外币之间的买卖及兑换金额。
A.外汇买卖
B.本币兑换
C.外币兑换
D.自营外汇买卖

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