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[单选题]在下水道、煤气管线、潮湿地、垃圾堆或有腐质物等附近挖坑,在挖深超过( ) m的坑内工作时,应采取安全措施,如戴防毒面具、向坑中送风和持续检测等。
A.2.0
B.2.5
C.3.0
D.3.5

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[单选题]在蓄电池未充电、总风无压力空气的情况下,要缓解机车弹停装置,必须()。
A.按压司机室弹停装置缓解按钮
B.按压气阀柜弹停模块上的缓解脉冲电磁阀
C.手拉4个弹停风缸的缓解拉杆
[单项选择]

"$ 160 for a parking ticket! I’m calling city hall about this. There must be some mistake." Nick thought (36) . "Yes, sir, there is a mistake," said the man at the city hall," (37) I’m afraid the mistake’s (38) . This ticket was for $20. However, the fine doubles every 30 days. It has been 90 days, so the (39) is now $160. You will have to pay that." Nick had the $20 and he (40) to pay the fine. But for some reason the ticket had gotten (41) in his pile of papers and unopened letters.
Nick had always been a (42) person. In the past six months, he had (43) to pay his electricity bill, (44) his jacket at the cleaner’s too (45) and had to pay for the "storage". A job application form he had filled out was never (46) because it, too, was in one of his piles. "Get organized, man," his brother advised. "Plan what you A. fairer
B. easier
C. better
D. happier

[判断题]( )液压设备中液压油除作为传递能量的工作介质外,它还兼有润滑和冷却传动系统的作用。
A.正确
B.错误
[单项选择]

从先进国家电话网的发展过程来看,网路的发展大致经历了三个阶段:一是由人工向自动过渡;二是由模拟网向数字网过渡;三是网路从多级向少级演变。我国与先进发达国家的发展历程相类似。当前,随着我国通信事业持续高速发展,网络规模日益扩大,新技术和新业务相继引入,网路结构正在从多级向少级的趋势演进。

无级网对应的拓扑结构是( )。
A. 格型网
B. 网状网
C. 复合网
D. 星型网
[单选题]100平米以下小户型有综合布线的家庭场景优先推荐哪种组网?( )
A. 电力猫
B. POE交换机+AP面板
C. 无线中继器
D.有线AP面板
[单项选择]今年将新增保障性安居工程()万套,完成()万户农村危房改造。
A. 33.1;10
B. 33.1;11
C. 33.2;10
D. 33.2;11
[单选题]反方向行车后恢复正方向时,直接向该方向排列( )进路,并确认发车方向表示灯显示正确,信号开放后即完成改方。
A.发车
B.接车
C.调车
D.列车
[单选题]四显示自动闭塞区段的通过色灯信号机比三显示自动闭塞区段的通 过色灯信号机多了( )灯光的显示方式。
A.两个绿色
B.两个黄色
C.一个绿色和一个 黄色
[单选题]气态液化石油气通过( )经调压送给城镇燃气用户使用。
A. 存储站
B. 罐车
C. 管道
D. 气化站
[判断题]有影响电力系统的事故的,客户用电检查服务可以延伸至目标所才处。
A.正确
B.错误
[单选题]蠕形螨睑缘炎典型的体征
A.结膜充血
B.套袖样结痂
C.角膜炎
D.结膜乳头增生
E.结膜滤泡
[判断题]( )故障处理后的放行列车条件由工务现场防护员决定。
A.正确
B.错误
[单选题]国际金融市场惯用的参考利率中,除国债利率外,还包括()。 I.伦敦银行间同业拆放利率(Libor) II.香港银行间同业拆放利率(Hibor) III.欧洲美元定期存款单利率 IV.联邦基金利率
A.I、II
B.I、II、III
C.I、II、III、IV
D.II、III、IV
[单选题]3.74. 第74题
私自迁移用电地址而用电者,属于居民客户以外的其他客户的应承担每次()元的违约使用电费。
A.2000
B.3000
C.1000
D.5000
[单选题](类别:号段管理难度:中等)你已经被任命为一项新项目的项目经理,必须准备项目范围说明书。为帮助制定项目的框架,你决定制定工作分解结构以描述工作的规模和复杂程度。没有现成的工作分解结构模板可利用,为了准备工作分解结构,你首先必须()()
A.估计每个项目可交付成果的成本和使用寿命
B.确定项目的主要可交付成果
C.确定项目的每个可交付成果的组成成分
D.明确主要任务
[单项选择]第七组:
患者,男,78岁,干部,反复胸闷、心悸20多年,心前区剧烈疼痛10小时入院。入院时,心电图除aVR导联外,其余导联ST段压低,当天CPK 672.7U/L、LDH 615.5U/L。
提示:如果入院后第一天,心电监护示室性心动过速
提问:下列哪种药物首选
A. 美托洛尔
B. 毛花苷C
C. 利多卡因
D. 奎尼丁
E. 硝苯地平
[填空题]车间内计算浓度时,主要的一个变量是( )。
[单选题] 良性骨肿瘤的化验检查结果是
A.血色素正常, 白细胞计数高, 肿瘤细胞形态正常
B.血色素降低, 碱性磷酸酶正常,肿瘤细胞形态正常
C.血色素正常,碱性磷酸酶正常,肿瘤细胞形态近于正常
D.血色素偏低,碱性磷酸酶升高,肿瘤细胞异形多
E.血色素正常,碱性磷酸酶升高,肿瘤细胞异形多
[单项选择]Gd-DTPA增强,可用于()
A. 鉴别水肿与病理组织
B. 由于碘过敏不能进行CT增强者
C. 在一定程度上区别肿瘤性病变与非肿瘤性病变
D. 发现脑膜病变
E. 以上选项均正确
[填空题]上升管设置的汽化冷却装置是()装置。
[单项选择]建设工程合同可以从不同角度进行分类,从完成工程建设阶段分,可分为()。
A. 建设工程总承包合同、建设工程承包合同、分包合同
B. 计划合同、非计划合同
C. 施工合同文本、FIDIC土木工程施工合同条件
D. 建设工程勘察合同、建设工程设计合同、建设工程施工合同
[单选题]在使用Word文本编辑软件时,为了选定文字,可先把光标定位在起始位置,然后按住( ),并用鼠标单击结束位置。
A.控制键Ctrl
B.组合键Alt
C.换档键Shif
D.取消键Esc
[填空题]( )的作用是接受自阀的控制而直接操纵制动管的压力变化,从而使列车制动、保压和缓解。
[单选题] 《水利部关于进一步加强水利生产安全事故隐患排查治理工作的意见》指出,水利生产经营单位要保障事故隐患排查治理工作经费足额投入,对于在建工程,事故隐患排查治理经费在()中列支。
A.安全生产措施费
B.人工费
C.安全管理咨询费
D.材料费
[单选题] 在G功能代码中,( )是逆时针圆弧插补。
A.G02
B.G03
C.G41
D.G42
[单项选择]监理单位与承建单位的关系是( )。
A. 合同委托与被委托的关系
B. 协作、配合的关系
C. 监理与被监理的关系
D. 委托与被委托的关系
[多选题]标准信用卡最低还款额包括( )。
A.信用额度内消费金额*10%
B.分期交易本期应还金额*100%
C.预借现金交易金额*10%
D.前期最低还款额未还部分*100%
E.上期容差未还部分*100%
F.所有费用和利息*100%
[单选题]属于易捷便利店百货小分类的有( )。
A.百货
B.洗涤用品
C.纸类用品
D.日用品
[多选题]在液压系统中,液压油的作用是( )。
A..冷却
B.润滑
C.清洗
D.防锈
[不定项选择题]Everyone becomes a little more forgetful as they get older, but men's minds decline more than women's, according to the results of a worldwide survey. Certain differences seem to be inherent in male and female brains: Men are better at maintaining and dealing with mental images (useful in mathematical reasoning and spatial skills ) , while women tend to excel (擅长) at recalling information from their brain's files (helpful with language skills and remembering the locations of objects). Many studies have looked for a connection between sex and the amount of mental decline ( 衰退) people experience as they age, but the results have been mixed. Some studies found more age-related decline in men than in women, while others saw the opposite or even no relationship at all between sex and mental decline.Those results could be improper because the studies involved older people, and women live longer than men: The men tested are the survivors, "so they're the ones that may not have shown such cognitive decline," said study team leader Elizabeth of the University of Warwick in England. People surveyed completed four tasks that tested sex-related cognitive skills: matching an object to its rotated form, matching lines shown from the same angle, typing as many words in a particular category (范畴) as possible in the given time, e.g."object usually colored gray", and recalling the location of objects in a line drawing.The first two were tasks at which men usually excel; the latter were typically dominated by women. Within each age group studied, men and women performed better in their separate categories on average.And though performance declined with age for both genders, women showed obviously less decline than men overall. One important factor that affects the correctness of the results is that__________ . A.the old men tested may not have shown such cognitive decline B.people surveyed are all ol
A.
B.people taking part in this test came from all over the worl
C.
D.women live longer than men
[判断题][T]AD016 4 2 3
打捞过程中发生溢流时,应测取井口压力,然后组织压井。( )
A.正确
B.错误
[填空题]中国精神是维系中华民族生存与发展的精神纽带,对维护民族团结和国家统一发挥着重要的(  )作用。
[单项选择]2001km的车票有效期为()。
A. 3天
B. 4天
C. 5天
D. 6天
[单项选择]患儿,女.3岁,浮肿3天,全身浮肿,颜面为甚,皮肤光亮,按之凹陷即起,小便少,发热,恶风,咳嗽,舌苔薄白,脉浮。病变主要在()
A. 心
B. 肝
C. 脾
D. 肺
E. 肾
[简答题]三极管作放大时的条件是什么?

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