热门试题:
[简答题]BA07 简述YB55型小盒透明纸包装机透明纸输送切割装置的清洁保养要求。
[单选题]水喷雾系统由开式喷头.( ).管网.水泵.控制系统等组成。
A.预作用报警阀
B.干式报警阀
C.雨淋阀
D.湿式报警阀
[多选题] -148.主归心、肝经的药物是
A.开窍药
B.活血药
C.安神药
D.补血药
[单选题]高血压危险分层标准最主要的依据是
A.病程长短
B.血压增高速度
C.症状轻重
D.器官损伤及功能代偿情况
E.以上都不是
[判断题]单个TSRS时，可直接与CTC中心设备通信。（ ）
A.正确
B.错误
[填空题]课程结构最常见的结构形态有______、______和______。
[判断题]发电机和电焊机不得与易燃、易爆物品堆放在一起()
A.正确
B.错误
[判断题]由于微分作用可以实现超前调节,因此绝大多数系统加上微分作用后都可以减小控制时间和最大偏差。( )
A.正确
B.错误
[单选题]Thousands of papers are submitted every month to the platforms arXiv and bioRxiv,which make manuscripts available before they have been peer reviewed and accepted by a journal.Scientists applaud preprints because they enable researchers to claim priority and make their findings available more quickly,unshackled from sluggish and tyrannical journals.This might make sense within the scientific community,but this method of publication holds substantial risks for the broadcr community-risks that are not being given proper consideration by the champions of preprint.Weak work that hasn't been reviewed could get overblown in the media.Conversely,better work could be ignored.Many people still learn about science the same way they learn about Syria or the World Cup:through news sites,television and radio.The bulk of research reported through these channels is peer reviewed.A few days before a paper is published,the science journal will issue a restricted press release to qualified journalists under an agreement that no one will report on the paper until a designated time.The system has its flaws,but it does give reporters time to assess the research and gather expert reaction.Contrast this with preprints.As soon as research is in the public domain,there is nothing to stop a journalist writing about it,and rushing to be the first to do so.Imagine early findings that seem to show that climate change is natural or that a common vaccine is unsafe.Preprints on subjects such as those could,if they become a story that goes viral,end up misleading millions,whether or not that was the intention of the authors.Another risk is the inverse-and this one could matter more to some researchers.Under the preprint system,one daring journalist searching through the servers can break a story;by the time other reporters have noticed,it's old news,and they can't persuade their editors to publish.There have been cases in which a preprint that garnered news stories got a second wave of coverage when it was published in a journal.But generally,the rule is'it has to be new to be news'.It is not enough to shrug and blame journalists,and it is unhelpful to dismiss those journalists who can accurately convey complex science to a mass audience.Journalists do include appropriate warnings or even decide not to run a story when conclusions are uncertain,but that happens only because they have been given enough time and breathing space to assess it.If the scientific community isn't careful,preprints coulcl take that resource away.How can we have preprints and support good journalism?Should scientific societies or preprint advocates develop guidelines for what should and should not be posted as a preprint?Should all preprints be emblazoned with a warning aimed at journalists that work has not been peer reviewed'?Preprints could bring great prizes for science.But these questions must be brought up now,so that public understanding is not damaged as preprints flourish.
It's implied in the first two paragraphs that
A.unreviewed research can be accepted by a journal nowadays.
B.preprints are very likely to replace journals in the near future.
C.scientists have just got released from the traps of journals.
D.preprints provide a record of priority for research works.
[判断题]当采用钻芯法检测混凝土强度时,芯样试件高径比必须控制在0.95~1.05之间。( )
A.正确
B.错误
[简答题]调车工作繁忙、配线较多的车站，可划分为几个调车区。没有做好联系和（ ），不准越区或转场作业。
[单选题] 患者女,48岁。确诊甲亢,放射性碘治疗1周后突发高热、心慌。体格检查:T40℃,心率160次/分,心房颤动,呼吸急促,大汗淋漓,烦躁不安。实验室检查:血WBC↑,N↑,FT3↑,FT4↑,TSH↓。该患者最可能的诊断是( )
A.甲亢性心脏病
B.甲亢复发
C.放射性甲状腺炎
D.甲状腺危象
E.心力衰竭
[单选题]妊娠高血压综合征最不可能出现的变化是( )
A. 心肌缺血
B. 脑血管痉挛
C. 肾血流量下降
D. 肝功能异常
E. 十二指肠溃疡
[单选题]管段收清发清管器站的距离应小于( )km.
A.100
B.120
C.80
D.50
[多选题]提高服务质量、满足客户需求的最佳途径是()(2分)
A.征询客户的意见
B.提高服务质量
C.虚心听取客户意见
D.提高工作效率
E.改善服务态度
[简答题]营业厅满意度测评有哪些内容,分别占比多少?
[判断题] 敞顶箱主要是由底架、前端、侧墙、门端、角件、篷布支撑杆、篷布组成，也可以不使用篷布支撑杆和篷布。
A.正确
B.错误
[判断题]地铁直线地段轨距为1435mm。（ ）
A.正确
B.错误
[单选题]( )是1851年水晶宫博览会的重要发起人之一，1845年他提出了"艺术制造”的新概念。
A.约翰·米勒斯
B.约翰·拉斯金
C.威廉·莫里斯
D.亨利.克勒
[不定项选择题]五号线西江渡停车场主要设置有以下单体建筑及用房：运用库、（）、（）、综合楼、主变电站、（）、工建料棚、牵混所、污水处理站、换热站及门卫等。
A.运用库
B.汽车库
C.信号楼
D.派班室
E.DCC
F.洗车库
[单选题]高热的治法为
A.清泻热邪
B.表里双解
C.养阴清肺
D.调和营卫
[单项选择]I can't drink______.
A. as sweet coffee as this
B. sweet coffee as this
C. as sweet as this coffee
D. the coffee as sweet as this
[单项选择]男性，62岁，胆囊切除手术术中输血200ml，术后第11天无明显诱因体温升高至38.6℃，血压95/55mmHg，查体见皮肤、巩膜黄染，化验检查发现贫血和血红蛋白尿。此时最需重视的合并症是（）
A. 肺水肿
B. 急性肾功能衰竭
C. 低钙血症
D. 感染中毒性休克
E. 支气管痉挛
[单选题]危险货物运输车辆的尾部应安装（ ），且无论空、满载应始终接地。
A.排气火花熄灭器
B.灭火器
C.导静电橡胶拖地带
D.紧急切断装置
[单选题]下列哪些不是通过RS485控制线实现的功能?( )。
A.光圈
B.聚焦
C.移动镜头
D.画面分辨率
[单选题] SF6 负荷开关内的气体压力为零表压时,仍可进行()操作。
A.短路电流合闸
B.短路电流分闸
C.负荷电流分、合闸
[单选题]构成科技环境的首要因素是社会（ ）。
A.科技水平
B.科技力量
C.科技政策
D.科技体制
[单选题]办理“助企核保贷”业务的基本流程：（ ）。
A.客户申请→受理与调查→审查→审议→审批→与客户签订合同→作业监督→贷款发放→贷后管理→贷款收回
B.客户申请→受理与调查→与客户签订合同→作业监督→贷款发放→贷后管理→贷款收回
C.客户申请→受理与调查→审查→审议→审批→贷款发放→贷后管理→贷款收回
D.客户申请→受理与调查→审查→审议→审批→与客户签订合同→作业监督→贷款发放
[单选题]下面对团队概念的理解错误的是：( )。
A.团队之间要有心理的联系
B.团队要有共同的目标
C.团队要有共同的规范
D.团队成员各干各的，不用分工
[判断题]操作票票面应清楚整洁，不得任意涂改。
A.正确
B.错误
[判断题]锅炉房配置的灭火器应每半月进行一次。
A.正确
B.错误
[判断题]发生车票误乘时，在列车内应补收票价时，补收票价差额，收取手续费。（ ）
A.正确
B.错误
[多选题]实验室内开展计量工作时，工作前应检查设备是否（）、（）、（）是否正常。
A.接地
B.可靠接地
C.绝缘是否良好
D.漏电保护装置
[填空题]在Visual FoxPro中，索引分为主索引、 (8) 、 (9) 和普通索引。
