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[判断题]EDFA的增益平坦度:解决增益均衡的途径首先是实现增益谱的平坦可采用的方法大体上可分为滤波器型和本征型两类。
A.正确
B.错误

参考答案:A

热门试题:

第1题: [填空题]使用四柱压力机时,禁止使用()作为垫块。
参考答案:脆性材料

第2题:
[单选题]使用软梯进行移动作业时,软梯上只准(  )人作业,作业人员到达梯头上进行作业和梯头开始移动前,应将梯头的封口可靠封闭,否则应使用保护绳防止梯头脱钩。
A.1
B.2
C.3
D.4
参考答案:A


第3题:
[多选题]直流转换开关液压机构储压筒应有足够的容量,在降压至闭锁压力前应能进行“分—(____)s—合分”或“合分— (____)min —合分”的操作。对于设有漏氮报警装置的储压器,需检查漏氮报警装置功能可靠。
A.0.1
B.0.3
C.1
D.3
参考答案:BD


第4题:
[单选题]元气生成的主要物质来源是
A.肾中精气
B.水谷精气
C.清气
D.脏腑精气
E.以上均非
参考答案:A
元气由肾精化生,根于命门。《难经?三十六难》说:“命门者……原气之所系也。”肾精的主体成分是先天之精,但必须得到水谷之精的充养,方能充盛而化生充足的元气。

第5题:
[单选题]通过pad和网申渠道申请信用卡对申请人的年龄要求为()周岁
A.16-60
B.16-65
C.18-60
D.18-65
参考答案:C


第6题:
[单选题]泵填料密封的(),则难以形成润滑膜,密封面是干摩擦状态,磨损严重,密封寿命将大大缩短
A.预压紧力过大
B.预压紧力小
C.预压紧力大
D.预压紧力较大
参考答案:A


第7题:
[单选题]按《塔里木油田钻井井控实施细则》规定:液气分离器排液管线应接入录井方罐,并支撑固定牢靠;排气管线走向与放喷管线一致,距离放喷管线不少于( )m, 并露出地面安装。
A.3
B.2
C.0.5
D.1
参考答案:C


第8题:
[单选题]李某故意杀人后,为了制造失火的假象,销毁作案现场,遂一把火将死者的家点着,隔壁的邻居看到火势,组织群众将火扑灭。下列说法正确的是( )。 (1分)
A. · 李某成立故意杀人罪
B. · 李某构成故意杀人罪、放火罪,择一重罪处罚
C. · 李某成立故意杀人罪(既遂)、放火罪(未遂)
D. · 李某成立故意杀人罪(既遂)、放火罪(既遂),应数罪并罚
参考答案:D


第9题:
[单选题]轨型为43kg/m或38kg/m的12.5m钢轨,每千米配置1920根时,每节钢轨配置为( )根。
A.A.20
B.B.21
C.C.23
D.D.24
参考答案:D


第10题:
[判断题]在带有压力(液体压力或气体压力)的设备上或带电的设备上焊接时应采取特殊安全措施。
A.正确
B.错误
参考答案:B


第11题: [单项选择]
呕血是()。
A. 成人每日消化道出血量5~10ml
B. 成人每日消化道出血量50~100ml
C. 胃内储积血量在250~300ml
D. 一次出血量<200ml
E. 出血量>400~500ml
参考答案:C

第12题: [单项选择]
滚动轴承的安装配合中外圈与轴承座为()。
A. 过盈配合
B. 过渡配合
C. 间隙配合
D. 松紧配合
参考答案:A

第13题: [多项选择]
先天性肺静脉狭窄可导致()
A. 右心衰
B. 肺间质水肿
C. 活动受限
D. 肺动脉高压
E. 肺静脉高压
参考答案:A, B, C, D, E

第14题: [简答题]
List the Counter-measures of Inflation as more as possible.
参考答案: As there are different causes of inflation, the counter-measures of controlling inflation are varied. These counter-measures focus mainly on such aspects as demand, supply, and structure and so on.   A. Policies Concerning Demand Controlling   Policies in this regard refer to that a national government changes the general expenditures by using fiscal and monetary policies in order to control inflation. The policies in this aspect are applied to deal with non-expected and demand-pull inflation. As demand-pull inflation is caused by money supply over money demand, policies concerned demand controlling are aimed at regulating the general money supply of the whole society.   (A) Tight monetary policy   Tight monetary policy means that a central bank carries out the policy of squeezing money, i. e., to raise purchasing power of money by reducing the quantity of money in circulation. The concrete measures are as follows;   A. Raising the discount rate and lending rate for the purpose of increasing market interest rates. When a central bank raises the discount rate and lending rate, the discount rate and lending rate of commercial banks will first be affected, then other interest rates in financial markets, which make people save more money, and cut down their consumption demand, push up investment cost and curtail investment demand. In some countries where there is a interest rate control, the central bank can directly raise deposit and lending rates to squeeze credit (reduction of business investment) and absorb savings (reduction of household consumption).   B. Selling government securities in the open market to push up interest rates indirectly. Through the central bank’s open market operations, a central bank can decrease the quantity of money in circulation by selling government securities so that the prices of government securities will fall and market interest rates will rise which will curtail investment and consumption. This method is widely used in western countries.   C. Raising the required reserve ratio. Raising the required reserve ratio reduces funds commercial banks can loan and weakens commercial banks’ money creation ability so that money supply can decrease.   (B) Tight fiscal policy   Tight fiscal policy includes the increase of tax and reduction of government spending. On one hand, the source of funds used by businesses and households on investment and consumption can be reduced through increasing tax and cutting down transfer payment; on the other hand, government expenditures can be reduced by decreasing fiscal deficits and government procurement. Consumption, investment and government spending are the main parts of the aggregate demand. As there is a lack or a time lag of people’s anticipation of decreasing aggregate demand and the aggregate supply curve won’t move down immediately with the aggregate demand curve or the aggregate supply won’t decrease right away, tight fiscal policy will result in the increase of unemployment and the fall of output, further economic depression in the short run.   B. Income Policy   Based on the cost-push inflation, economists have created the theory of income policy which refers to that governments restrict wage hikes in order to control price increase. As wage increase will push up cost and further inflation rate, compulsory and non-compulsory means are adopted to restrict wage hikes. Income policy includes the following aspects:   (A) Wage-price control   It means that a national government forces to fix the range of wage and price increase and even imposes wage and price freezes. These measures affect an economy greatly, but they are seldom used unless there is hyperinflation being caused by war.   (B) Wage-price guideline   This means that a national government determines the standard of wage and price rise according to the average growth rate of productivity and requires that each sector of the national economy keep the wage and price rise within the standard. But this policy is applied voluntarily, not by force or by law, because the effect of it is not so obvious.   (C) The tax-based income policy   This is a policy used as penalty for those businesses whose rate of wage rise exceeds the limit of wage rise set by the government. The government penalizes such businesses by imposing higher taxes on them in order to restrict wage rise.   C. Income-Indexation Policy   Income-indexation refers to that wage, interest, earning of bonds and other income are linked with price index so that they can be adjusted with changes of price level. Not only wage, but also social security payment, interest rate and tax rate can be indexed so that the harm done by inflation in an economy can be reduced. This policy is aimed at protecting the interest of different interest groups and overcoming the unfairness of distribution caused by inflation without lowering households’ real living standards.   Income-indexation, especially, wage-indexation is popular in the developed countries. Some economists hold that income-indexation policy will weaken governments’ intention of applying inflationary policy. Under the condition of income-indexation, the burden of the national government as net debtor will become heavier; the government can benefit less from inflation. But income-indexation can mitigate the unfair redistribution of income caused by inflation and eliminate distortion of distribution of income.   D. Supply Policy   To develop economy and increase effective supply of goods and services is the fundamental measure to curb inflation. The effective supply can be increased through the following channels;   (A) To adjust industrial structure and perfect a variety of consumption goods   A national government should give priority to certain industries, support the development of such industries as communication, environment protection, education and tourism and so on, so that limited financial resources and materials can be put into important industries and key products in order to increase social and economic efficiency. Through industrial adjustment the variety of consumption goods can be improved so that supply and demand can be met.   (B) Expand range of supply and take in money in the market   It should be pointed out that people can be over anxious for quick results of harnessing inflation with non-discretionary implementation. The key is that the degree to which tight monetary and fiscal policies are carried out should be controlled properly. Otherwise, things will turn out conversely, deflation will occur.

第15题: [多项选择]
网络给人们的信息交流提供了便利的平台,同时借助这一平台,谣言也得以迅速传播,创造健康和谐的网络舆论环境,必须()。
A. 提升网络参与者的素养
B. 提髙政府的行政管理水平
C. 防止网络信息传播扩散
D. 增强公民的民主管理能力
E. 制定相关的法律法规
参考答案:A, B, E
答案解析:创造健康和谐的网络舆论环境需要提升网络参与者的素养,需要提高政府的管理水平.需要立法部门完善相关法律法规。C项错误,要防止的是谣言的传播扩散而不是任何网络信息的传播扩散。D项公民的民主管理能力和题干无

第16题:
[单选题]《建设工程安全生产管理条例》规定的( ),由建设行政主管部门或者其他有关部门依照法定职权决定。
A.民事责任
B.行政处罚
C.刑事处罚
D.赔偿责任
参考答案:B


第17题:
[单选题]( )方法是以某一个市场变量作为计值基础,推算出或计算出交易头寸的价值。
A.盯市
B.情景分析
C.模拟
D.盯模
参考答案:D
盯模即按模型计值。当按市场价格计值存在困难时,银行可以按照数理模型确定的价值计值。具体来说,就是以某一个市场变量作为计值基础,推算出或计算出交易头寸的价值。

第18题:
[单选题]依据《食品安全法》,明星代言的食品若出了安全问题,代言的明星要承担“连带责任”。这表明()
A.市场经济具有法制性,规范市场秩序需要法律保障
B.市场调节具有盲目性,需要加强国家宏观调控
C.规范明星代言人的行为,可以杜绝假冒伪劣产品
D.国家运用经济手段,加强对食品安全的监督管理
参考答案:A


第19题: [填空题]
唱机从唱盘上拾取递信号是()。
参考答案:数字信号

第20题:
[判断题]活动连接器、机械接头和光纤中的断裂点都会引起损耗和反射,我们称把这种反射幅度较大的事件称之为反射事件。
A.正确
B.错误
参考答案:A


第21题:
[多选题]检修线包括( )。
A.月检线
B.定修线
C.特种车线
D.临修线
参考答案:ABD


第22题:
[多选题]曲轴飞轮组主要包括( )。
A.曲轴
B.飞轮
C.扭转减震器
D.曲轴箱
参考答案:ABC


第23题: [单项选择]
下列哪项表现不属于亡阳证的临床表现 ( )
A. 四肢厥冷
B. 面色苍白
C. 呼吸微弱
D. 畏寒发热
E. 冷汗淋漓
参考答案:D
答案解析:[知识点] 虚实辨证

第24题:
[判断题]在远场区中同声程的横孔从φ2增大到φ8,其回波声压提高6dB。 ( )
A.正确
B.错误
参考答案:A


第25题: [判断题]
租用房屋从事生产、经营活动的,其修缮责任由承租人负责。 ( )
参考答案:错

第26题: [单项选择]
以下肿瘤哪个属于非真性肿瘤
A. 阑尾黏液囊肿
B. 阑尾假黏液瘤
C. 阑尾类癌
D. 阑尾腺癌
E. 盲肠癌
参考答案:A

第27题: [单项选择]
为使壳体基础钢筋绑扎位置正确,较为适宜的办法是( )。
A. 一律在工厂内预制
B. 找平层上弹墨线,胎模上钉短钢筋,在短钢筋上固定部分钢筋
C. 钢筋采用焊接
D. A+B+C
参考答案:B

第28题:
[单选题]测量全自动车钩橡胶支撑支架底部至橡胶支撑托板顶部距离,左右差值下列数据哪个是不符合规定的(   )
A.0mm
B.1mm
C.2mm
D.3mm
参考答案:D
测量橡胶支撑支架底部至橡胶支撑托板顶部距离 h,要求左右数值差在[0,2]mm

第29题:
[单选题]装火车的装载机须安装具备存储、打印功能的称重装置,装车点应配备与装载机额定载重量相近的( )装置。
A.工作
B.计量
C.检测
D.标定
参考答案:D


第30题:
[判断题]顺位抵押贷款是指在本行已办理房产抵押贷款的优质客户,在有实际经营且确实有融资需求的前提下,办理原抵押权数外的余值部分抵押贷款
A.正确
B.错误
参考答案:B


第31题: [简答题]
在物流战略具体实施计划的编制时,设计整个物流系统需要考虑哪些方面的内容?
参考答案: 因为顾客服务水平、物流设施分布、库存和运输互相影响,直接影响到企业的利润率、现金流和投资回报率,所以设计整个物流系统时,应主要考虑这四个方面内容,并将这四方面视为不可分割的整体。
物流系统的顾客服务水平是首要的考虑因素。若将服务水平定在较低的水平,企业则可使用较便宜的运输方式和在较少的地方设置库存;若设定较高的服务水平,则对运输和库存有更高的要求。因此,在设计时应权衡各方面的利弊,设计合适的服务水平。
物流设施分布将影响产品从工厂、分销商或中间库存到顾客整个商品供应的活动和相应的费用。存货和分销地点的地理分布构成了物流系统的骨架,选择何种分销方式直接影响到物流的费用。物流设施分布要解决的问题就是找到费用最小或获利最大的商品分销方式。
将总的存货分配到不同的分销地点还是通过持续供货的方法是两种不同的存货方式,所以采取不同的库存管理方法决定了物流设施的分布决策。
运输所涉及的问题包括运输方式的选择、运输批量、运输路线和日程安排。这些决策受物流设施分布的影响,在作物流设施分布决策时也应考虑到运输的问题。库存水平的大小也与运输批量有关,运输决策要考虑库存水平。

第32题: [简答题]
影响阻抗显示漂移的因素有哪些?
参考答案: 材料的电导率、磁导率、外形尺寸,填充系数,提离效应,边缘效应等。

第33题:
[多选题]关于实施行政处罚的原则,下列说法正确的是
A.实施行政处罚必须以事实为依据
B.实施行政处罚必须与违法行为性质、情节以及社会危害程度相当
C.办理行政处罚案件应当坚持教育与强制相结合的原则
D.实施行政处罚应当公开、公正
参考答案:ABD


第34题:
[单选题]工程完工后,( )应当组织勘察、设计等有关单位进行竣工验收。工程竣工验收合格,方可交付使用。
A. 建设单位
B. 监理单位
C. 工程所在地安全监督部门
D. 工程所在行业主管部门
参考答案:A


第35题: [判断题]
凡从事铁路危险货物承运业务的承运人,应向有管辖权的铁路管理机构申请取得资质许可。
参考答案:对

第36题: [多项选择]
深化投资体制改革的目标包括( )。
A. 坚持政府对企业投资的管理制度不变
B. 落实企业投资自主权
C. 合理界定政府投资职能
D. 提高投资决策的科学化、民主化水平
E. 建立投资决策责任追究制度
参考答案:B,C,D,E
答案解析:深化投资体制改革的目标是:改革政府对企业投资的管理制度,按照“谁投资谁决策、谁收益谁承担风险”的原则,落实企业投资自主权;合理界定政府投资职能,提高投资决策的科学化、民主化水平,建立投资决策责任追究制

第37题: [多项选择]
金融对经济的增长和发展发挥了很大作用,其贡献包括( )。
A. 金融对长期的经济平均增长水平的总体贡献
B. 金融发展对减少贫困的带动性贡献
C. 金融发展对稳定经济活动和收入的贡献
D. 金融对社会的安定和国民经济的增值的贡献
E. 金融发展对各项金融政策制定的贡献
参考答案:A,B,C
答案解析:[解析] 金融主要在以下三个方面对经济的增长和发展发挥作用:①金融对长期的经济平均增长水平的总体贡献;②金融发展对减少贫困的带动性贡献;③金融的成功发展对稳定经济活动和收入的贡献。

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