热门试题:
[单选题]生产经营单位应当在有较大危险因素的生产经营场所有关设施.设备上,设置明显的( )标志。
A.安全
B.警示
C.安全警示
D.危险
[多项选择]急性呼吸衰竭气管插管的适应症()
A. 呼吸不规则
B. 呼吸道分泌物多
C. 咳嗽反射消失
D. 因反射消失
E. 昏迷逐渐加深
[单项选择]在使用多媒体的会议室中,不是必备的物品是()。
A. 录音笔
B. 电源插座
C. 窗帘
D. 麦克风
[判断题]光缆分纤/分路箱只能在用户室内、外的墙壁上。( )
A.正确
B.错误
[单项选择]被誉为世界发明大王的是___。
A. 爱因斯坦
B. 诺贝尔
C. 达尔文
D. 爱迪生
[多项选择]下述变压器保护装置中,当变压器外部发生短路时,首选动作的是(),不应动作的是()。
A. 过载保护
B. 过负荷保护
C. 瓦斯保护
D. 差动保护
[单选题]汞接触者尿汞升高的意义是
A.急性汞中毒诊断指标
B.慢性汞中毒诊断指标
C.汞吸收障碍
D.汞吸收指标
E.尿汞排泄障碍
[单选题]《20kV及以下配电网工程建设预算编制与计算规定(2016年版)》中,材料预算价格中未包括()。
A.运输损耗费
B.保险保价费
C.检验试验费
D.仓储保管费
[单项选择]下列说法,不正确的是( )。
A. 公司应该根据不同的发展阶段采用合适的股利政策
B. 在考虑股利支付水平时,要考虑通货膨胀因素
C. 财产股利和负债股利是现金股利的替代形式,在我国经常使用
D. 股票股利增加了流通在外的股票数量,不过不改变公司股东的控制权
[单项选择]下列选项中,体现辩证的否定观的是()
A. 一叶落,而天下知秋矣
B. 取其精华,去其糟粕
C. 千里之堤,溃于蚁穴
D. 是就是,非就非,除此之外,都是鬼话
[单项选择]根据有关规定,上海证券交易所对参与回购交易进行委托买卖的数量规定为:交易数量必须是( )手,即107Y元面值及其整数倍。
A. 1
B. 10
C. 100
D. 1000
[单选题]外用药在瓶上贴有哪一种颜色标签( )
A.蓝色
B.红色
C.黑色
D.绿色
E.黄色
[单选题] 客车车体倾斜超过( )mm时,禁止编入列车。
A. 50
B. 55
C. 65
D. 75
[判断题]水柱打好后要栓好绳,防止倒了砸人。
A.正确
B.错误
[单选题]下列关于劳动就业特征的说法,错误的是( )。
A.年满16周岁的公民才具有劳动就业的资格
B.劳动就业必须使劳动者能够获得一定的劳动报酬或经营收入
C.劳动就业必须是出自公民的自愿
D.劳动就业中的劳动不以合法为前提
[判断题][920]( )如果集成电路某引脚电压异常,则可立即判定集成电路损坏。
A.正确
B.错误
[单选题]32165】灌注桩浇灌完毕其超量为( )是正常的。 ( )
A. <1.0
B.1.2
C. 1.4
D. 1.5
[单项选择]Now that you’ve gotten a little more confident, we’re going to give you the opportunity to practice "without the training wheels." When you want to check your work, you can turn to the solutions at the end. If you aren’t familiar with some of the mathematical concepts, make a note to pay particular attention to that chapter in this book; this practice set covers a wide range of topics tested on the GMAT.
On all data sufficiency problems, the answer choices are the same (as you’ve learned). We’ve put them here for your reference.
A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.
What is the length of a side of a certain cube
(1) The volume of the cube is 27.
[判断题]水幕水枪,又称屏风水枪,是一种可以在火源和消防员之间设立保护屏幕墙,可有效减少火场热辐射,稀释有毒气体、隔离烟雾的特种消防枪。( )(易)
A.正确
B.错误
[填空题]Some people used to say that Dad had so many children that he couldn’t keep track of them. Dad himself used to (1) a story about one time (2) mother went off to fill a lecture engagement and (3) him in charge at home. When mother (4) , she asked him if everything had run smoothly.
"Didn’t have any trouble (5) with that one over there," he (6) . "But a spanking (打 屁股) brought him into line."
Mother could handle any crisis without (7) her temper.
"That’s not one of (8) , dear," she said. "He belongs to next door."
None of us remembers it, and maybe it never (9) . Dad didn’t always tell the (10) ., because there was nothing he liked (11) than a joke, particularly if it were (12) him and even more particularly if it were on mother.
Dad was happiest in crowd, (13) a crowd of kids. Wherever be was, you’d see a stri
[判断题]( )路桥检查车间的管辖营业长度宜在200km左右,且不超过400 km。
A.正确
B.错误
[单项选择]血氧饱和度(SpO2)监测仪器的基本工作原理是利用()。
A. HbO2吸收更多的660nm的红光而让更多的940nm的红外光通过,Hb吸收更多的940nm的红外光而让更多的660nm的红光通过
B. HbO2吸收更多的940nm的红光而让更多的660nm的红外光通过,Hb吸收更多的660nm的红外光而让更多的940nm的红光通过
C. HbO2吸收更多的660nm的红外光而让更多的940nm的红光通过,Hb吸收更多的940nm的红光而让更多的660nm的红外光通过
D. HbO2吸收更多的940nm的红外光而让更多的660nm的红光通过,Hb吸收更多的660nm的红光而让更多的940nm的红外光通过
E. 以上四种方法都不对,正确的测定技术应为分光光度计
[多选题] 防排烟系统的作用()。(易)
A. 为安全疏散创造有利条件
B. 为消防扑救创造有利条件
C. 控制火势蔓延
D. 加快空气流动加速火势蔓延
[单项选择]从现代意义上来说,临终关怀是一种
A. 特殊服务
B. 有限服务
C. 单向服务
D. 危险服务
E. 商品服务
[单项选择]下列软件中,不是操作系统的是( )。
A. Linux
B. UNIX
C. MS DOS
D. MS Office
[单选题]( )对全国范围内公共航空旅客运输飞行中的安全保卫工作实施指导、监督和检查。
A.国务院
B.国家安全委员会
C.中国民航局
D.地区管理局
[多选题]WZ1004K120 105喷射式真空回潮机增湿水分两路分别经( )分9路进入各自的增湿水喷嘴。
A.截止阀
B.过滤器
C.电磁流量计
D.气动薄膜调节阀
[单选题]钢结构承受重复或交变荷载作用时,可能在远低于屈服强度的应力作用下突然断裂,这种断裂现象称为( )。
A.徐变
B.冲击破坏
C.疲劳破坏
D.塑性破坏
[单选题]《国家电网有限公司职工技术创新管理办法》规定,( )负责公司群众性创新专项管理,监督、指导和协调各单位职工技术创新项目管理工作。
A.国网工会
B.国网发展部
C.国网人资部
D.国网科技部
[不定项选择题]共用题干
Scientists Develop Ways of Detecting Heart Attack
German researchers have___1___a new generation of defibrillators and earlywarning software aimed at offering heart patients greater protection___2___sudden death from cardiac arrest.
In Germany alone around 100,000 people die annually as a result of cardiac arrest and many of these cases___3___by disruption to the heart's rhythm. Those most at risk are pa- tients who have___4___suffered a heart attack,and for years the use of defibrillators has proved useful in diagnosing___ 5___ disruptions to heart rhythms and correcting them automat-ically by intervening within seconds. These devices___6___ a range of functions,such as that of pacemaker.
Heart specialists at Freiburg's University Clinic have now achieved a breakthrough with an implanted defibrillator ___7___of generating a six-channel electrocardiogram(EC
G)within the body. This integrated system allows early diagnosis of___8___blood-flow problems and a pending heart attack. It will be implanted in patients for the first time this year. Meanwhile, researchers at the Fraunhofer Institute for Applied Mathematics in Kaiserslautern have developed new computer software that renders the evaluation of ECG data___9___.
The overwhelming___10___of patients at risk will not have an implanted defibrillator and must for this reason undergo regular ECGs.“Many of the current programs only ___11___ into account a linear correlation of the data. We are,however,making use___12___ a non-linear process that reveals the chaotic patterns of heart beats as an open and complex system,”
Hagen Knaf says,“___ 13___ changes in the heart beats over time can be monitored and indi- vidual variations in patients taken into account.”An old study of ECG data,based___14___ 600 patients who had suffered a subsequent heart attack,enabled the researchers to compare risks and to show___15___the new software evaluates the data considerably better.
10._________
A.maximum
B.minimum
C.majority
D.minority
[填空题]烟草行业行为规范建设的中心任务是努力建设一支高素质、职业化的员工队伍,实现行业员工( ),助力行业( )。
[单选题] (单选题)在长期服用异烟肼时,易引起缺乏的维生素是:
A. 维生素C
B. 维生素A
C. 维生素D
D. 维生素B6
E. 维生素K
[单项选择]违反《建设工程质量管理条例》规定,建设单位将建设工程发包给不具有相应资质等级的勘察、设计、施工单位或者委托给不具有相应资质等级的工程监理单位的,责令改正,处( )的罚款。
A. 10万元以上20万元以下
B. 10万元以上50万元以下
C. 20万元以_L100万元以下
D. 50万元以上100万元以下
[单选题]消防呼救器的主要功能包括( )。
A.静止报警.手动报警.声控报警
B.手动报警.静止报警.音响联络
C.声控报警.手动报警.音响联络
D.音响联络.静止报警.声控报警
[多项选择]燃烧爆炸危险源,简称危险源,是指()危险品的单元。
A. 研制
B. 生产
C. 储运
D. 使用