热门试题:
[单选题]沥青火灾是( )火灾。
A.A类
B.B类
C.C类
D.D类
[单选题]()是给被保险人罹患重大疾病提供财务保障,从而避免被保险人及其家属无钱就医,或者在接受治疗后导致整体生活质量下降,甚至陷入巨大的经济窘迫中。
A.护理保险
B.疾病保险
C.重大疾病保险
D.失能收入损失保险
[判断题]T1航站楼与T2航站楼之间设有连接通道。
A.正确
B.错误
[多选题]七氟丙烷灭⽕系统机械应急⼿动控制模式是当( 0不能执⾏时
的应急控制模式。
A.⼿动(电
⽓)控制
B.机械应急⼿动控
制
C.机械应急⾃动
控制
D.⾃动控制
[单选题]能用于熔化极氩弧焊保护气体的是()。
A.一氧化氮
B.氩气
C.氮气
[单选题]站线线路和道岔检查一般每( )不少于1次,其中到发线、客车径路道岔检查比照正线道岔检查周期,具体由铁路局集团公司规定。
A.1个月
B.3个月
C.6个月
[单选题]三相鼠笼式异步电动机,当采用延边三角形启动时,每相绕组的电压( )。
A.比Y— 启动时大,比全压启动时小
B.等于全压启动时的电压
C.是全压启动时的3倍
D.是全压启动时的1/3倍
[单选题]检查人员进入现场检查,应核准现场设备运行情况,明确安全检查通道,用电检查过程中应与带电()保持表6.3.3规定的安全距离。
A.线路
B.设备
C.线路和设备
D.设施
E./
F./
G./
H./
[判断题]动车组高级修时,送、承修单位不得随意改变动车组的原设计结构,结合高级修实施的技术改造项目须严袼按系统发布的方案执行,监造(验收)单位要严格把关。
A.正确
B.错误
[判断题]( )已通过资质认定的机动车检验机构依法设立的从事检验检测活动的分支机构,可以不必重新申请资质认定后,从事相关检验检测活动 。
A.正确
B.错误
[单项选择]()就是要材料运输中用最少的劳动消耗,花费最小的时间,走最短的里程完成材料运输,达到最大的经济效果。
A. 对流运输
B. 合理运输
C. 迂回运输
D. 对称运输
[单项选择]下列有关产褥期泌尿系统改变,正确的说法是()
A. 产后肾脏利尿作用加强,尿量增加
B. 产褥早期不易发生尿潴留
C. 产褥期不易发生尿路感染
D. 在妊娠期发生的肾盂和输尿管生理性扩张于产后2周内能恢复正常
E. 产褥早期,肌酐和肌酸排出量减少
[多选题]煤层产状要素包括( )
A.走向
B.倾向
C.倾角
D.倾斜
[单选题] 信息系统是一个以人为主导,吸取经验和遵照规律并重,利用适合的信息技术以及相应设备,根据相应的业务模型和数学模型,进行信息的收集、传输、加工储存、更新和维护,以提高组织的效益和效率为目的,支持组织的高层决策、中层控制、基层运作的集成化的( )
A.合成系统
B.人为系统
C.人机系统
D.自然系统
E.分化系统
[不定项选择题]你跟一个朋友去看电影,忽然你的家人打电话说家里有急事等你回去处理,你会( )。
A.立即赶回家里
B.看一会儿再回家
C.看完电影再说
D.等家里人催了再说
[单项选择] The word conservation has a thrifty meaning. To conserve is to save and protect, to leave what we ourselves enjoy in such good condition that others may also share the enjoyment. Our forefathers had no idea that human population would increase faster than the supplies of raw materials; most of them, even until very recently, had the foolish idea that the treasures were "limit less" and "inexhaustible". Most of the citizens of earlier generations knew little or nothing about the complicated and delicate system that runs all through nature, and which means that, as in living body, an unhealthy condition of one part will sooner or later be harmful to all the others.
Fifty years ago nature study was not part of the school work; scientific forestry was a new idea; timber was still cheap because it could be brought in any quantity from distant woodlands; soil destruction and river floods were not national problems; nobody had yet studied long term climatic cycles in relation to proper
A. the importance of the proper use of land
B. the interdependence of water, soil, and living things
C. the value of the beauty of nature
D. the harmfulness of Soil destruction and river floods
[单选题]计量泵进出管内径应()泵进出口内径。
A.不大于
B.不小于
C.等于
D.近似于
[判断题]SPIN提问销售法是著名营销大师菲利普科特勒创立的。
A.正确
B.错误
[多选题]在 党 的 七 届 二 中 全 会 上 , 提 出 了 ( ) 。
A.两 个 “ 务 必 ”
B. 建 立 人 民 民 主 专 政 的 思 想
C.从 新 民 主 主 义 向 社 会 主 义 转 变 的 思 想
D.土 地 改 革 的 总 路 线
[单项选择]以下药物的鉴别反应是丙酸睾酮
A. 加热的碱性酒石酸铜试液,生成红色沉淀
B. 加乙醇制氢氧化钾溶液,加热水解后,测定析出物的熔点,应为150~156℃
C. 加亚硝基铁氰化钠细粉、碳酸钠及醋酸氨,显蓝紫色
D. 加硝酸银试液,生成白色沉淀
E. 与茚三酮试液反应,显蓝紫色
[单选题]行政机关不依法履行监督职责或监督不力,造成严重后果的,由其上级行政机关或者监察机关责令改正,对直接负责的主管人员和其他直接责任人员依法给予行政处分。( )
A.A.错误
B.B.正确
[单项选择]Author Emma Heathcote-James has spent nine years looking into real-life ghost stories, collecting tales from hundreds of people who claim to have seen evidence of an afterlife. The 27-year-old started her research at university and her thesis was turned into a BBC documentary that she re-wrote as her debut bestseller Seeing Angels. The book prompted so many people to write to her with their ghostly experiences that she used them for a second book After Death Communication, which has just been released in paperback.
Her new book They Walk Among Us describes séances with mediums who can summon solid ghosts out of thin air. While working on the book she invited a medium to her home in the Cotswolds to demonstrate a form of ghostly communication where spirits take over the body. She explained: "This medium came to my house, sat in my front room, and went into a trance. An old man’s body just appeared over the top of the medium-- he turned into an old man right in front of me. I was a
A. he was finally saved by his grandmother
B. he was finally saved by his nine-year-old son
C. he would have been drowned if his grandmother had not lifted him
D. he would have been taken away by his grandmother if his son had not dragged him down
[单项选择]爪形手是哪支神经损伤的表现()。
A. 腋神经
B. 正中神经
C. 桡神经
D. 指神经
E. 尺神经
[单选题]需采集血清标本的检验项目是( )
A. 血尿素氮测定
B. 血糖测定
C. 血钠测定
D. 查找病原菌
E. 血氨测定
[多项选择]有关颅裂治疗,以下哪些概念不正确
A. 颅裂均需手术治疗
B. 颅裂术后可继发脑积水
C. 颅裂术中无须颅骨修补
D. 颜面部颅裂可能需行二期整容手术
E. 颅裂术中必须将全部脑组织还纳
[多选题] 具有高温不流淌、低温不脆裂、拉伸强度高、延伸率较大等优点的防水卷材有()
A.SBS改性沥青防水卷材
B.APP改性沥青防水卷材
C.石油沥青纸胎油毡
D.聚氯乙烯防水卷材
E.三元乙丙橡胶防水卷材
[单选题]患者女,40岁。因右下第一中切牙缺失要求修复。临床检查时发现右下侧切牙近中面釉质呈白垩色及黄褐色斑点,釉质有缺损,诊断为光滑面浅龋。应做的治疗是
A.药物治疗
B.再矿化治疗
C.玻璃离子水门汀充填
D.复合树脂充填
E.银汞合金充填
[单选题]锚喷支护即使用( )和喷射混凝土联合支护。
A.木支护
B.金属支护
C.石材
D.锚杆
[单选题]Hayem红细胞稀释液中氯化汞的作用是( )。
A.防腐作用
B.调节渗透压
C.防止红细胞聚集
D.破坏白细胞
E.固定红细胞
[简答题]说明一对外啮合平行轴斜齿齿轮传动的正确啮合条件?
[判断题]热工理论基本知识包括工程热力学和传热学两部分。
[单选题]用0.06Ω标准分路电阻线在97型25Hz轨道电路送_受电端轨面上分路时,轨道继电器端电压应不大于( )。
A.2.7V
B.7.4V
C.8.5V
D.l0.5V
[单选题]国产HXD1型机车撒砂装置,如果必要的话,司机可以使用司机室内整体脚踏处的()开关撒砂。
A.脚踏
B.手动
C.自动
D.半自动