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题目详情:

[单选题]使用正压式氧气呼吸器时,呼吸器的重量应在( )。
A.臀部
B.肩部
C.背部
D.腿部

参考答案:A

热门试题:

第1题:[单选题]已签发或批准的作业票应由( )收执,签发人宜留存备份。
A.作业负责人
B.专责监护人
C.技术负责人
D.安全负责人
参考答案:A
《浙江省电力公司电力线路工作票管理规定》 已签发或批准的作业票应由工作负责人收执,签发人宜留存备份。

第2题:
[判断题]邻近营业线进行现浇梁、钢板桩、钢管桩、搭设脚手架、膺架等施工的设备和材料翻落后侵入营业线设备安全限界的施工,列为B类施工。( )
A.正确
B.错误
参考答案:A


第3题: [判断题]
旅行社可以将缴纳保证金的有关凭证作为抵押或偿还债务的凭证。 ( )
参考答案:错

第4题:
[单选题]爆破后必须经过( )通风排烟后,检查人员方可进人工作面,检查有无“盲炮”及可疑现象。
A.5min
B.7min
C.l.min
D.15min
参考答案:D


第5题:
[单选题]以下存款人不可以申请开立基本存款账户的是( )
A.旺旺小吃店
B.玫瑰花园居民委员会
C.大家好集团下设独立核算的食堂
D.乐士集团下非独立核算幼儿园
参考答案:D


第6题:
[单选题]在低压配电网络中,作为用户动力总开关,安装在配电柜上额定电流为600A,要求具有失压、欠压、过载和短路四种保护,具有动作的快速性和限制短路上升的特点,应选择总开关的型号是( )。
A.DZ10—600/330
B.CJ20—630/3
C.DWX15—600/3901
D.DW10—600/3
参考答案:C


第7题: [填空题]
有“岭南果王”之称的水果是()。
参考答案:木瓜。

第8题:
[多选题]按照响应机制,消防指挥中心增加警情受理人员,按( )的程序实施警情受理。
A.专人值班
B.专人接警
C.专人派警
D.专人调度
参考答案:BCD


第9题:
[判断题]( )使用激光发射器时,严禁机组人员目视激光,并不得在激光准直光束中穿行。
A.正确
B.错误
参考答案:A
《大机管规》4.5.8条

第10题: [填空题]
制冷压缩机的作用是将气体()增压,配合制冷系统工作。
参考答案:氟里昂

第11题:
[多选题]可使用其他书面记录或按口头、电话命令执行的工作有()。
A.测量接地电阻
B.砍剪树木
C.涂写杆塔号、安装标志牌
D.低压分支线的停电工作
参考答案:AB


第12题:
[单选题]下列对选文有关内容的理解和分析,不正确的一项是(  )
A.“渺渺兮予怀,望美人兮天一方”中所说的“美人”实际上乃是作者的理想和一切美好事物的化身。
B.“客有吹洞箫者,倚歌而和之”,音调转到悲伤,感情骤然变化,由欢乐转入悲凉,文章也因之波澜。
C.客人的回答表现了一种虚无的思想和消极的人生观,这是苏轼借客人之口流露出自己思想的一个方面。
D.客人借眼前之景引出曹操落败,又继以他横槊赋诗时志得意满进行对比,对曹操这个奸雄进行了抨击。
参考答案:D


第13题:
[单选题] 通过学习《视频画面人像身度测量技术》微课程可知,在做现场模拟测量时,要求拍摄视频的摄像头( ),摄像头拍摄的角度( )。
A. 可变化;可变化
B. 无变化;可变化
C. 可变化;无变化
D. 无变化;无变化
参考答案:B


第14题: [简答题]
高压气机在哪些情况下应立即停机检查?
参考答案: (1)气缸内部有异常响声。
(2)气缸及出气管严重发热。
(3)加气量不足或显著下降。
(4)轴承温度升高,润滑油油温过高。
(5)气机启动后不能正常排污。

第15题:
[单选题]用断路器对终端线路送电时,描 述正确的是(____)。
A.无任何电流
B.电流表会瞬间指示(或电流瞬间显示)较大数值后马上又返回
C.有一定数值的充电电流
D.有正常的负荷电流
参考答案:C


第16题:
[单选题]关于制定烟叶种植规划的说法,不正确的是(  )。(  )
A.烟叶种植规划应当按照合理布局的要求制定
B.烟叶种植规划应当依据国家计划制定
C.烟叶种植规划应当根据良种化、区域化、规范化的原则制定
D.烟叶种植规划应当由国务院烟草专卖行政主管部门单独制定
参考答案:D


第17题:
[单选题]线路停电时,在显示屏上断路器(开关)或隔离开关(刀闸)的操作处应设置( )的标记。
A.“禁止合闸,有人工作!”
B.“禁止合闸,线路有人工作!”
C.“止步,高压危险!”
D.“禁止分闸!”
参考答案:B


第18题:
[简答题]设有双向闭塞设备的双线自动闭塞区间改按单线行车的规定?
参考答案:1.仅限封锁一条线路,在另一条线路上运行上下行列车时方可采用。 2.正方向行车,仍按自动闭塞行车,反方向按站间组织行车。 3.遇该线有一个方向闭塞设备发生故障停用时,应改用电话闭塞法行车。


第19题:
[多选题]对()等非永久性用电,可供给临时电源。
A.基建工地
B.农田水利
C.市政建设
参考答案:ABC


第20题: [单项选择]
企业增资扩股时,投资者实际缴纳的出资额大于按约定比例计算的其在注册资本中所占的份额部分,应作为( )。
A. 资本公积
B. 实收资本
C. 盈余公积
D. 营业外收入
参考答案:A
答案解析:[解析] 企业增资扩股时,投资者实际缴纳的出资额大于按约定比例计算的其在注册资本中所占的份额部分,属于资本 (股本)溢价,计入“资本公积”,不计入“实收资本”科目。

第21题:
[判断题]任何情况下巡视,对接触网都必须以有电对待,故障情况下,巡视人员可以攀登支柱并时刻注意避让列车。( )
A.正确
B.错误
参考答案:B


第22题:
[单选题]煤矿井下供电,高压不得超过( )V。
A.6000
B.3300
C.10000
参考答案:C


第23题: [简答题]
What is the Modern Quantity Theory of Money Demand
参考答案: (A) The modern quantity theory of money refers to the monetary theory developed by the Chicago School. From the late AID0s through the AII0s, a group of economists, associated in varying degrees with Chicago School, build upon the traditions of classical economics with the benefit of modern theoretical and statistical techniques. Represented by Milton Friedman, originally labeled the Chicago School, but currently referred to either as monetarists or new classical macroeconomists, this informal group has produced a set of ideas with important implications for the role of money in the economy. In AIEF, Friedman published his paper " The Quantity Theory of Money Demand—A Restatement", which marked the emergence of the modern quantity theory of money. On one hand, Friedman accepted the Cambridge School and Keynes’s thought that money is an asset and the demand for money is people’s behavior of choosing assets; on the other hand, Friedman basically adopted the conclusion of the traditional quantity theory of money, i. e., the change of the quantity of money is the cause of the movement of price level.   (B) In his design of the function of demand for money, Friedman took into consideration the two factors; first, the total wealth expressed with permanent income which is in a reverse ratio to the demand for money; second, the difference between expected rates of return of holding money and other assets. The higher the rate of return of other assets, the weaker people’s desire to hold money. Friedman did not analyze people’s motives of holding money like Keynes, but continued to study the causes of holding money and thought that there are many different factors affecting the demand for money. Friedman used a function to express the demand for money:   Md / P =f (Yp, Rm, Rb, Rf, P, W, U )   Md / P: the demand for real money balances,   Yp; The real GDP, the index used to count wealth, called permanent income,   Rm; The expected rate of return for money,   Rb: The expected rate of return for bonds,   Re: The expected rate of return for stocks (common stocks),   P; The expected rate of return of goods or expected rate of inflation,   W; The ratio of non-human wealth to human wealth,   U; Other random variables, including preference, custom, technology, system, etc.   (C) In Friedman’s view, the wealth affecting the money demand is permanent and the money demand will not fluctuate with ups and downs of business cycles because the permanent income fluctuates a little in shortrun. Generally speaking, the demand for an asset has a positive interrelation with the wealth people hold. Since money is an asset, the demand for money has a positive interrelation with wealth (Yp). Friedman held that factors affecting money demand are the expected rate of return of the assets that can substitute money. Besides holding wealth in the form of money, people can hold their wealth in other forms, say, bonds, stocks (common stocks) and goods. The opportunity cost of holding money is expressed by the expected rate of return of other assets compared with money. When the expected rates of return of bonds (Rb) and stocks (Re) rise the opportunity cost of holding money will increase which will result in less demand for money. The higher the expected rate of return of other assets, the less the demand for money. P is the expected rate of return of holding wealth in the form of goods compared with money. When the prices of goods rise, the rate of return of goods equals the rate of inflation rate. When the expected rate of return of goods is higher compared with that of holding money, people will do well to "beat the higher prices" by purchasing goods sooner than usual (this is the "expectations effect"). This will reduce the demand for money. W is the ratio of non-human wealth to human wealth. Non-human wealth refers to bonds, stocks and other real assets, while human wealth refers to individuals’ ability to make money. This ratio constrains people’s income, e. g.; human wealth can not be obtained when labor force is in a state of unemployment, which naturally reduces the demand for money. Given certain level of wealth, the larger the W, the smaller the money demand. U which refers to other random variables is in a negative correlation with the money demand.   Monetarists adhere to virtually all the tenets of classical economists. However, they made some modifications. Some of them have used the quantity theory as a framework for describing the relationship between M and PY rather than just M and P and view the invisible hand as pushing the economy toward the full employment level of production. A second modification of classical thought occurred in Milton Friedman’s revival of the quantity theory is that Friedman replaced the idea of the stability of velocity with the less militant notion that it is predictable. Or, money demand may not be a fixed fraction of total spending; it is related to PY in a close and predictable way.   Perhaps the most important classical tradition upheld by modern monetarists is the inherent stability of the economy at full employment. This explains the monetarist rejection of governmental attempts to fine-tune economic activity. A higher level of economic activity requires more capital and labor or technological improvements; more money only leads to inflation. The answer to cyclical downturns is to wait for the natural upturn. Government intervention is unnecessary and potentially damaging.

第24题: [单项选择]
患者女性,35岁,因“唇部溃烂4天”来诊。患者近5年来无明显诱因反复出现唇部糜烂,春秋季好发,一般14~21天可愈合。口腔检查:唇部略肿胀,上覆厚黑血痂,唇红与皮肤交界清晰。手掌、手背多个红斑,有的红斑似靶形。结合病史及损害特点,考虑的诊断是()
A. 慢性盘状红斑狼疮
B. 唇疱疹
C. 多形性红斑
D. 固定性药疹
E. 天疱疮
参考答案:C

第25题: [单项选择]
直流电动机的电枢绕组的绕组元件数S和换向片数K的关系是()。
A. S=K
B. S<K
C. S>K
D. S≥K
参考答案:A

第26题:
[判断题]快速制动是一种施加后可随时撤销的制动形式。( )
A.正确
B.错误
参考答案:A


第27题:
[单选题]对于机舱气压高度 3,000 米(10,000 英尺)以上至 4300 米(14,000 英尺)(含)的飞行,在飞行时间超过 分钟的后续航段,应当为 的旅客提供足够的氧气。
A.30,30%;
B.45,10%;
C.30,10%;
D.60,100%。
参考答案:C


第28题: [填空题]
()导演的《少奶奶的扇子》是中国现代话剧史上第一部用完整的西方话剧导演体系来导演的话剧,剧本则是改编自王尔德的《温德米尔夫人的扇子》。
参考答案:洪深

第29题: [单项选择]
架空管道()应完整,不得有损坏、流淌。
A. 防腐胶带
B. 热收缩
C. 防腐涂层
D. 表层
参考答案:B

第30题: [单项选择]
物业管理是我国( )的重要组成部分,物业管理的水平直接关系到城市管理的水平。
A. 城市管理
B. 房屋管理
C. 住宅管理
D. 绿地管理
参考答案:A

第31题: [单项选择]
某企业产品入库后发生可修复废品一批,生产成本26万元,返修过程中发生材料费1.5万元、人工费用1万元、制造费用2.6万元,废品残料作价0.1万元已回收入库。假定不考虑其他因素,该批可修复废品的净损失为()万元。
A. 5.5
B. 31
C. 5
D. 21
参考答案:C
答案解析:可修复废品的生产成本不属于废品损失,因此可修复产品净损失=可修复废品的修复费用-回收的废品残料价值-应收赔款=(1.5+1+2.6)-0.1=5(万元)。

第32题:
[填空题]不设区的市、直辖市、县、自治县、乡、民族乡、镇的人民代表大会的代表,由( )选
参考答案:选民直接举。


第33题: [单项选择]
According to the passage, school education stresses more on______.


A. thinking with the right side of the brain
B. using the left side of the brain
C. combining both sides of the brain
D. developing critical thinking
参考答案:B
答案解析:细节推论题 文章一开头就作了一个对比,说“verbal and mathematical thinking are given a lot of attention at school and co

第34题: [单项选择]
手术护士在传递器械时,哪一项是错误的()。
A. 传递任何器械,都要将柄递给手术者
B. 传递手术刀要将刀锋向下
C. 弯遣虎弯剪之类要把弯曲部呈窍
D. 弯针要以持针器钳夹在中、后1/3交界处
E. 缝线要用手托住,以免脱出
参考答案:B

第35题:
[单选题].下列哪个不是双眼同向共同运动( )。
A.共同右转
B.共同上转
C.同向共同旋转
D.共同内旋
参考答案:D


第36题:
[多选题]燃烧生成气体一般包括( )。
A.二氧化硫
B.氯化氢
C.氰化氢
D.氮气
参考答案:ABC


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