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[判断题]越出站界调车时,双线自动闭塞区间正方向,必须区间空闲。
A.正确
B.错误

参考答案:B

热门试题:

第1题: [单项选择]若某银行风险加权资产为10000亿元,则根据《巴塞尔新资本协议》,其核心资本不得 ( )。
A. 高于400亿元
B. 高于800亿元
C. 低于400亿元
D. 低于800亿元
参考答案:C

第2题: [填空题]
在所有的重整反应中,()反应速度最快,而且能充分转化成芳烃,是重整的最基本反应,此反应为高吸热反应。
参考答案:六员环烷烃脱氢

第3题:
[单选题]客户提岀电表数据异常后,( )个工作日内核实并答复。
A.3
B.5
C.7
D.$10
参考答案:B


第4题: [单项选择]
Which of the following commands should be used to delete an entry from the /etc/inittab?()  
A. xitab
B. rmitab
C. chitab
D. delitab
参考答案:B

第5题: [判断题]
可以在机车上或任何2车箱之间搭乘人员
参考答案:错

第6题:
[单选题]高血压合并窦性心动过速的年轻患者宜首选何种抗高血压药?(  )
A.硝普钠
B.甲基多巴
C.普萘洛尔
D.可乐定
E.氯沙坦
参考答案:C
高血压合并窦性心动过速的年轻患者宜首选β受体阻断药。故选C项。

第7题:
[判断题]CRH2A动车组通常快速制动指令贯穿线(152线)向BCU传输得电信号,BCU启动快速制动,即在152线失电时,保持快速制动为关闭状态。( )
A.正确
B.错误
参考答案:B


第8题:
[多选题] 消防水鹤结合了地上和地下两种消火栓优势, 供水栓体藏于地下,取水方式方便快捷,有( )等特点,是我国北方主要消防供水设施。
A. 取水快捷
B. 防冻
C. 目标明显
D.喷射距离远
参考答案:ABC


第9题:
[单选题]下列选项中,不属于消防宣传教育人员需要培养的能力范围的是( )。
A.宣传业务能力培养
B.组织策划能力培养
C.创新实践能力培养
D.语言组织能力培养
参考答案:D


第10题:
[多选题]一台正在运行的气动薄膜调节阀,如阀杆和阀芯脱节,可能会出现( )的现象
A.被调参数突然变化
B.调节阀不起控制作用
C.阀杆不动作
D.流经调节阀的流量不变
参考答案:ABD


第11题:
[单选题]冲泡普洱茶一般用( )以上的水温冲泡。
A.80℃
B.85℃
C.90℃
D.95℃
参考答案:D


第12题:
[多选题]火场内攻前应当做好哪些安全检查?( )
A.检查空气呼吸器压力
B.检查灭火防护服穿戴是否齐全规范
C.检查是否佩戴阻燃头套
D.检查头灯是否打开
E.检查呼救器是否打开
F.检查对讲机频道、信号和电量,测试通信效果
参考答案:ABCDEF


第13题:
[单选题]( )需携带工作票、现场勘察记录、“三措”等资料到作业现场。
A.工作许可人
B.工作负责人
C.工作票签发人
D.专责监护人
参考答案:B


第14题: [单项选择]
下列哪项属于市场化工具()。
A. 民营化
B. 国有化
C. 绩效管理
D. 全面质量管理
参考答案:A

第15题:
[单选题]消防员年度考核按照本人述职民主评议综合测评组织鉴定的程序进行,结果分为( )四个等次。
A.优秀、良好、基本称职、不称职
B.优秀、良好、称职、不称职
C.优秀、称职、基本称职、不称职
D.优秀、良好、合格、不称职
参考答案:B


第16题: [单项选择]
下列事件中,属于不可能事件的是______。
A. 某个数的绝对值小于0
B. 某个数的相反数等于它本身
C. 某两个数的和小于0
D. 某两个负数的积大于0
参考答案:A
答案解析:[解析] 任何数的绝对值都是非负数,故不存在绝对值小于零的数,A项为不可能事件。

第17题:
[单选题]若病人在治疗过程中出现呼吸困难、发绀,PaO2持续降低,应采取的措施是()
A.加速补液速度
B.提高吸氧浓度
C.加大糖皮质激素剂量
D.气管插管行机械通气
E.应用血管活性药物
参考答案:D


第18题:
[单选题]治疗腰痛的穴组是
A.后溪、太渊
B.委中、后溪
C.人中、鱼际
D.委中、合谷
E.后溪、三间
参考答案:B


第19题: [简答题]
What are the Advantages and disadvantages of reserve requirements
参考答案: The ability to change reserve requirements is a powerful tool which has the advantage and limitation, a central bank uses it infrequently, as slight adjustment of required reserve ratio, even A% or 0. E% will cause great influence on finance and credit. So a central bank prefers to use open market operations to change reserves rather than reserve requirements.   It has been argued that changing reserve requirement is a too powerful tool and that its use as a policy instrument would destabilize the banking system. The institutional arrangements through which the banking system adjusts to changing levels of reserves might not respond as efficiently to changing reserve requirements. Another advantage of open market operations is that they can be conducted quietly, while changing reserve requirements requires a public announcement. A central bank feels that some of its actions would be opposed if public attention was directed toward them. Now let us see more details of advantages and disadvantages of reserve requirement.   (A) Advantages of the reserve requirement   We will now outline some of the advantages of using the reserve requirement tool relative to the use of open market operations and discount rate.   a. Speed of impact. Changes in the reserve requirement induce banks to make balance sheet adjustments quite rapidly. When the central bank changes r, thousands of banks and thrift institutions experience an immediate change in their excess reserve positions. Therefore, changes in interest rates, credit conditions, and the monetary aggregates occur relatively quickly. These contrasts with open market operations, which impinge immediately only on those banks in which government securities dealers, maintain accounts. Some time may elapse before the impact of open market operations extends to the majority of banks. Likewise, a change in the central bank’s discount rate may not exert any immediate impact on those institutions not currently borrowing or contemplating borrowing at the discount rate. Therefore, if economic conditions require immediate action, use of the reserve requirement tool may be preferable to the central bank’s other instruments.   b. Neutrality a related argument is that the reserve requirement instrument is less discriminatory across depository institutions than are the other instruments of Federal Reserve policy. The impact of reserve requirement changes is spread across all banks and thrift institutions uniformly. One may therefore prefer the use of this installment on the basis that many more institutions are influenced in a similar way than is the case with the other instruments.   c. More straightforward announcement effect. Because this instrument is not employed frequently, and because changes in the reserve requirement are typically not made for purely technical reasons (unlike the use of open market operations for defensive purposes and changes in the discount rate to align it with other yields), changes in the reserve requirement are usually easy to interpret. A cut in the reserve requirement can usually be interpreted to signal an easing in the basic posture of monetary policy. Hence, if the central bank strongly desires to communicate a policy change to the public, this tool may be superior to the other tools. However, it is difficult to see how this instrument would be as effective as a public statement of policy intent. The use of any type of sign language in place of verbal language is difficult to rationalize. d. Potential use in an emergency   At times when other tools cannot do the job, changes in the reserve requirement may be needed to neutralize major changes in the monetary base. In time of war, for instance, the government generally finances an increased level of expenditures by issuing short-term and long-term securities. To assist the Treasury in financing the effort without incurring exorbitant interest expense, the central bank may help by purchasing significantly larger than normal quantities of securities on the open market. Although this helps the Treasury, it also paves the way for an inflationary expansion of credit and money, because it directly expands bank reserves and the monetary base. In this case, the open market securities purchase could be combined with an increase in reserve requirements to avoid triggering a multiple expansion of deposits in the banking system. That is, as the monetary base is expanded by the central bank’s security purchases, the money supply multiplier would be reduced by the increase in required reserves and r. In this way, money supply growth could be limited to a rate consistent with the central bank’s overall objectives.   (B) Disadvantages of the reserve requirement   Many bankers would like to see the central bank abandon the use of the reserve requirement instrument as a regular tool of monetary policy. And many economists would agree, primarily on the basis that in most instances, the central bank’s objectives can be achieved more easily and smoothly via other policy instruments. A couple of points have been raised in support of the view that the level of reserve requirement should remain fixed over time and that the central bank should accomplish its aims through its other policy tools. We will now examine the disadvantages of the reserve requirement tool.

第20题:
[判断题]离心泵运行中盘根发热的原因是盘根太多。 ( )
A.正确
B.错误
参考答案:B


第21题:
[单选题] 一只标有电阻值20Ω的定值电阻,若通过的电流是0. 5A,那么电阻两端的电压是( )。
A. 10V
B. 40V
C. 0. 025V
D. 条件不足
参考答案:A


第22题:
[判断题]现场防护人员应站在距施工地点800m附件,且瞭望条件较好的地点显示停车手信号;施工作业地点在站外,距离进站信号机(反方向进站信号机)小于820m时,现场防护人员应站在距进站信号机(反方向进站信号机)20m附近。( )
A.正确
B.错误
参考答案:A


第23题:
[多选题]下列哪种方法能减少掘进工作面的瓦斯涌出量? 多选题
A.边掘边抽瓦斯
B.煤体注水
C.封堵井巷周壁裂隙
D.单巷掘进
参考答案:ABC


第24题:
[单选题]【单选题】车前子、旋复花入汤剂宜
A.布包煎
B.先煎
C.烊化
D.另煎
E.久煎
参考答案:A


第25题: [填空题]
DCS系统配有一个(),在电源完全故障的情况下,DCS靠()可使主要的仪表和控制阀门继续维持()工作分钟。
参考答案:备用电源;备用电源和仪表风的供应;25~30

第26题:
[单选题]适宜老年人使用的床的高度为从床褥上面距地面的高度是
A. 45cm
B. 50cm
C. 55cm
D. 60cm
E. 65cm
参考答案:B


第27题:
[判断题]《人民币现金机具鉴别能力技术规范》(JR/T 0154—2017)发布的时间为2017 年 7 月 1 日。( )(3%)
A.正确
B.错误
参考答案:B


第28题:
[判断题]客室车门的安全互锁回路通常由三个限位开关组成:关到位限位开关、锁到位限位开关、紧急解锁限位开关。( )
A.正确
B.错误
参考答案:B


第29题: [简答题]
何谓植物的光周期?
参考答案: 光周期是指昼夜周期中光照期和暗期长短的交替变化

第30题:
[单选题]业主项目部、监理项目部、施工项目部()至少召开一次安全工作例会。
A.每周
B.每月
C.每季度
D.每年
参考答案:B


第31题:
[]<br><br><br/>参考答案:to express→expressing
答案解析:固定搭配。将to express改为expressing,因为have trouble doing sth.是固定搭配。

第32题: [单项选择]
不具备法人资格的其他组织向人民法院提起诉讼的,由该组织的()作诉讼代表人。
A. 主要负责人
B. 负责人
C. 法定代表人
D. 代表人
参考答案:A

第33题:
[单选题]东风11型机车柴油机气缸套下部定位外径原形为( )。
A.326mm
B.336mm
C.346mm
D.356mm
参考答案:A
原文档无答案,自行解答

第34题:
[单选题] 机动翻斗车料斗内( )。料斗不得在卸料工况下行驶或进行平整地面作业。 (1.0分)
A. 允许上人卸料
B. 可以载人
C. 不得装料
D. 不应载人
参考答案:D


第35题: [单项选择]
施工图预算审查的主要内容不包括( )。
A. 审查工程量
B. 审查预算单价套用
C. 审查其他有关费用
D. 审查材料代用是否合理
参考答案:D

第36题: [单项选择]
子宫内膜癌最多见的病理类型是
A. 腺角化癌
B. 腺癌
C. 磷癌
D. 磷腺癌
E. 以上都不是
参考答案:B

第37题:
[简答题]腹腔干的直接分支是 、 和 构成。
参考答案:略


第38题:
[简答题]简述重症胰腺炎的严重程度分级的主要内容。
参考答案:严重程度可根据危重症病评分系统APACHEII和CT严重程度指数(CTSI)进行评估:重症胰腺炎时APACHE-Ⅱ≧8;该系统可及时发现其他脏器功能变化,有助于治疗和判断预后; CTSI是Balthazar分级的CT等级分和胰腺的坏死分数(necrosos score)二部分之和。


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