SimOS专项练习题库(有答案)

萨缪尔森宏观经济学选择题100道（含答案）1. The scientific method is not applicable to the study of economics because economics is not a true scienee.A) True B) False2. Hypotheses derived from economic analysis can be validated through empirical analysis, but hardly ever with absolute certainty・A) True B) False3. Which of the following statements relates to the concept of efficiency?A) The absenee of waste・B) Using resources as effectively as possible・C) Being able to produce more of one good only by producing less of something else・D) All the above.E) b. and c・ only.Figure 14. Figure 1 displays the production-possibilities of two countries・ Given that both countries produce five units of x, which of the following best describes court try B's producti on of y?A) Less than country A's production of y.B) The same as country A*s production of y.C) More than country A f s production of y.D) Cannot be determined from the graph・E) None of the above・5・ Mass un employment of resources means society operates in side its production-possibility frontier.A) True B) False6. If two goods use the same resources and the same tech no logy, the producti on possibilities curve between the two goods will have a positive slope・A) True B) False7. It is scarcity that makes goods economic goods・A) True B) False8. Which of the following is the most basic of the subjects with which the study of economics must try to deal?A) Markets.B) Money ・C) Profit seeking.D) The price mechanism・E) Scarcity ・9・ Poor money management by the government, aside from increasing the unemployment rate, will have a relatively small effect on the economy.A) True B) FalseFigure 210. In Figure 2, what is Country B's cost of producing 1 unit of x in terms of y?A) 10 units of y.B) 1/2 units of y.C) 5 units of y.D) 2 units of y.E) None of the above・11 ・ Barter is inconvenient because:A) bargaining power is unequal between rich and poor.B) without money, who can define "fair" values?C) my wants and supplies do not match your supplies and wants.D) it leads to imperfect competition.E) all of the above・12. The econo mic role of gover nment in mixed econo mies can in elude:A) provision of public goods・B) tax collections.C) in come redistributio n.D) all of the above.E) none of the above・13. By the "in visible han d,n Smith meant the influe nee and lobbyi ng of the hidde n interest groups.A) True B) False14. A society which forgoes present consumption:A) is forced to do so because of excessive consumption within the country in the past.B) may be devoting new resources to new capital formation.C) is merely devoting resources to the replacement of capital.D) expects to consume only that amount tomorrow which was foregone today.E) does none of the above・15. An economic good is valued in part by its scarcity・A) True B) False1 6. The statement that roundabout methods of production are often more efficient than more direct methods:A) means that roun dabout methods use the same in puts as more direct methods, except for time, which is not a scarce economic good・B) means that consumers ought to choose those goods which most lend themselves to roundabout methods of production.C) means that the most roundabout method is always the most efficient method of producing any output・D) is false, for direct and indirect methods of production are usually the same in terms of efficiency.E) suggests that foreg one consumpti on devoted to investme nt sometimes in creases future output in ways that more closely match individual and/or social desires.17. Which of the following statements is true of specialization?A) Specializati on is inc on siste nt with the idea of in dividual freedom ・B) Economies that practice a division of labor are morally superior to those that do not.C) In accepting specialization, a person sacrifices his or her own interests for the sake of society's interest・D) While specialization has enormous advantages, the costs outweigh them・E) In creased productivity is more likely to be achieved through specializati on.18. In an affluent modern society, businesses may have to offer workers more fulfilling jobs ・A) True B) False1 9. Consumers vote their dollars primarily in:A) labor markets.B) land markets.C) capital markets ・D) goods markets ・E) none of the above. 20. An example of legal limitations on property rights is the prohibition of pollution.A) True B) False21. Lower pricescoax out higher quantities demanded along a downward-slopingdemand curve ・A) True B) False22. An increase in price will lead to a lower quantity demanded because:A) suppliers will supply only the smaller amount ・B) quality deteriorates.C) people will purchase less of the good ・D) all of the above.E) none of the above ・Use the following to answer question 24:Table 1Use the follow!ng to answer question 23:Quantity of QFigure 323. Let P* and Q* represent market clearing price and quantity, respective!y. Given the supply and demand curves drawn in Figure 3, a reduction in the price of an input used in the production of Q can be expected to cause:A) P* and Q* to climb.B) P* to climb while Q* falls.C) P* to climb while Q* holds steady ・D) P* to fall while Q* climbs.E) P* and Q* to fall. oThe Market for Potato Chips(quantities measured in bags per week)Price Quantity Supplied Quantity Demanded$1.00 500 20002.00 1000 17503.00 1500 15004.00 2000 12505.00 2500 100024. According to Table 1, the equilibrium price for potato chips is:A) $1.00.B) $2.00.C) $2.50.D) $3.00.E) $4.00.25. Upward-sloping supply curves are the result of:A) increasing returns to scale・B) increasing costs of production.C) changes in government policies・D) changes in technology・E) none of the above26. To say that a price "clears the market11 is to say that every one who wants that commodity is getting all they want.A) True B) False27. The position of the supply schedule for Americamade cars will not be directly affected by which of the following?A) Union wage rates.B) Car prices・C) The possibility of strikes・D) A cha nge in assembly tech no logy ・E) All of the above will affect supply.28. The demand curve for a normal good will shift to the right if:A) in come in creases.B) populati on in creases ・C) the price of a substitute good in creases ・D) all the above・E) none of the above・29. Given a fixed supply of lamb chops, a reduction in the price of pork chops (close substitutes) will tend to:A) shift the dema nd curve for lamb chops to the right ・B) shift the dema nd curve for pork chops to the right ・C) shift the dema nd curve for pork chops to the left ・D) raise the price of lamb chops・E) lower the price of lamb chops・30. One reason that supply curves display positive slope is that:A) expanded production may require the use of superior resources・B) people are not willing to pay a higher price for more goods・C) expa nded industry output might cause a labor shortage and subseque ntly in crease the wage rate in eluded in the cost of producti on.D) extra production brings in the more efficient, lower-cost producers.E) the law of diminishing returns is important to producers・31 ・ If a 1 percent change in price causes a 5 percent change in quantity demanded, then demand is price inelastic・A) True B) False32. Whenever total expenditure (i.e., total revenue) remains the same after a change in price, the elasticity of demand is:A) greater than 1 ・B) less than 1.C) equal to 0.D) equal to 1 ・E) equal to infinity.33. If price and quantity sold both decrease from one period to another, we may infer that the law of dow nward-sloping dema nd does not operate in that market ・A) True B) False34. In "tight” housing markets, rent controls are often applied to hold the price of hou sing to a ” reas on able" level. What is the immediate effect of this price policy with respect to the allocative functions of prices, and the relative in comes of ten ants and landlords?A) The allocative function of prices is impaired, but the tenants are prevented from gaining at the expense of the landlords.B) The allocative function of prices is not impaired, and the tenants are prevented from gaining at the expense of Iandlords・C) The allocative function of prices is impaired, and the tenants who find housing gain at the expense of Iandlords・D) The allocative function of prices is not impaired, but the Iandlords gain at the expense of tenants who do not find housing・E) None of the above・35. Which of the following in efficie ncies might be the result of mono poly power's destroyinga competitive equilibrium?A) Prices too high・B) Output too low.C) Wages distorted across the economy.D) In put prices distorted across the economy.E) All of the above.36. Dollar receipts for sellers of some commodities will be lower at higher prices・A) True B) False37. The quantity of a good which a person will purchase will not depend on which one of the following items?A) The price of the good・B) His or her tastes・C) The prices of substitute goods・D) His or her in come ・E) The elasticity of supply.Figure 438. Refer to Figure 4 once agai n. Suppose that now the dema nd curve has shifted to D'D'・ At what point along D'D' is price elasticity equal to 1 ?A) GB) between G and H.C) H.D) between H and I.E) I-39. Rank the supply curves in the figure below in order of greatest to least price elasticity at the common in tersection point ・QA) C, A, B.B) B, A, C.C) B, C, A.D) A, B, C.E) None of the above・40. A price subsidy of 20 cents per gallon on milk (which does not have a totally inelastic dema nd curve) will result in a:A) change in consumer tastes・B) drop in the equilibrium price of 20 cents per gall on.C) drop in the equilibrium price of less than 20 cents per gall on.D) drop in the equilibrium price of more than 20 cents per gallon.41 ・The law of dim inishing marginal utility states that the:A) ratio of MU to P for luxuries is lower than that for necessities・B) utility derived from the last unit of the good consumed falls as the consumption of the good increases・C) ratio of MU to P will be the same for all goods・D) utility derived from total consumption of a good falls as consumption increases・E) none of the above・42. A consumer is said to be in equilibrium in his or her choice between two goods A and B when:A) the purchase of good A gives the same satisfaction as the purchase of good B・B) the last purchase of good A gives the same addition to satisfaction as the last purchase of good B.C) each penny spent on good A gives the same satisfaction as each penny spent on good B.D) the last penny spent on good A gives the same addition to satisfaction as the last penny spent on good B.E) the last pennies spe nt on goods A and B gen erate no additions to satisfacti on.43. A con sumer spe nds all of her income on two goods, coffee and dough nuts. Shepurchases coffee at 25 cents a unit with a total utility of 800 and a marginal utility of 12・ Doughnuts are purchase at 75 cents a unit with a total utility of 200 and a marginal utility of 24. In order to reach consumer equilibrium, she should consume:A) less doughnuts and more coffee・B) more doughnuts but the same amount of coffee・C) more coffee but the same amount of doughnuts・D) more dough nuts and less coffee ・E) the same amount of coffee and doughnuts.44. If a person only consumes pickles and pea nut butter, he will consume peanut butter up to the point where the:A) marginal utility of the last unit of pea nut butter con sumed equals that of the last unit of pickles consumed・B) total utility of pea nut butter consumed equals the total utility of pickles con sumed ・C) con sumer surplus of peanut butter con sumption equals the consumer surplus of pickle consumption・D) last dollar spe nt on pea nut butter consumption provides the same marginal utility as the last dollar spent on pickle consumption.E) none of the above・45. Water tends to have a low marginal utility because substitutes for it are widely available ・A) True B) False46. A good which sells for a higher price than one which is more important for welfare reflects the concept of:A) complementarity in demand・B) substituti on.C) marginal or total utility.D) the paradox of value・E) law of diminishing marginal utility.47. The price of good X is $1.50 and that of good Y $1. A particular consumer who evaluates the marginal utility of Y to be 30 units, and is in equilibrium with respect to purchases of X and Y must consider the marginal utility of X to be:A) 15 units.B) 20 units.C) 30 units.D) 45 units.E) none of the above・48. It is possible to sum in dividual dema nd curves to get the market dema nd curve only whe n all con sumers are exactly alike in their dema nds.A) True B) False49. The paradox of value is not the result of declining marginal utility.A) True B) False50. In the figure below, which area represents consumer surplus at a price of 5?A) OADC.B) OBEC.C) CEH.D) OBEH.E) CEGF.51 ・ Both in nu mber and in dollar value of sales, the in dividual proprietorship is thedominant form of American enterprise ・A) True B) FalseUse the following to answer question 52:Figure 552. Suppose that two in puts, K and L, are variable and in crease at the same rate. Which one of the panels in Figure 5 represents Increasing Return to Scale (IRS)?A) Panel a.B) Panel b.C) Panel c.D) Panel d.E) None of the above ・53.”Unlimited liability** in partnerships refers to the liability of each partner for her percentage (C) LabOr (L ) QuantityTotal Product Total Product(b)share of any losses incurred, without limit, except for some legal minimum of property she is permitted to keep・A) True B) False54. The employme nt of which of the following in puts might be adjusted in the short run?A) Physical capital.B) Number of hours worked by labor.C) Units of energy required per unit output・D) Units of material required per unit output・E) None of the above・55. Numerically, the bulk of businesses in the U.S. are:A) corporati ons.B) partnerships ・C) sole proprietorships・D) farms.E) mom・and-pop retail shops・56. If in comes were properly distributed, competitive general equilibrium would move resources to the best use for consumers1 satisfaction.A) True B) FalseUse the following to answer questions 57:Total Product withVarious In put CombinationsLand 10 15 20LaborO 0 0 01 20 20.67 20.52 38 39.33 40.03 54 57.00 58.54 68 72.67 76.05 80 87.33 92.56 90 102.00 108.057. Suppose that product!on were defined by the function recorded in the table above. For diminishing returns to continue to hold for the 7th unit of labor with land equal to 15 units, total product for the combi nation of [labor =7; la nd = 15] would have to be less tha n:A) 0.B) 116.67.C) 115.67.D) 114.67.E) none of the above・Use the following to answer questions 58-59:Table 2 Total Product withVarious In put Combinati onsLandl0 15 20LaborO 0 0 01 20 20.67 20.52 38 39.33 40.03 54 57.00 58.54 68 72.67 76.05 80 87.33 92.56 90 102.00 10&058. The production process defined by the function recorded in Table 2 displays diminishing returns in both labor and land.A) True B) False59. The production process defined by the function recorded in Table 2 displays decreasing returns to scale for labor but not for land.A) True B) False60. Which of the following is an example of a project that could be observed in the short run?A) The construction of a new assembly line to match an existing one・B) The con structi on of a new assembly line to take adva ntage of a new tech no logy ・C) The moving of an established assembly line to bring it geographically closer to a market ・D) The sale of an existing assembly line on the scrap market to finance part of a new facility.E) None of the above・61 ・ Horizontal long-run MC is associated with constant returns to scale・A) True B) False62. A fixed cost is:A) the cost of any in put whose per-u nit price has bee n fixed, whether by Ion g-term con tract or by some similar means.B) a cost whose increases are exactly proportional to increases in output・C) any comp orient included in average cost which enters in AC as the same fixed per-unit amount, no matter what the level of plant output may be.D) a cost which the firm would in cur eve n if its output were zer o.E) none of the above.Use the follow!ng to answer questions 63・64:Table 3Quantity Variable Cost Total Cost1 2 3 4 5 6 7 25 40 45 60 60 75 70 85 85 100 105 120 132 14763.A)B)C)D)E) What is MC between Q = 3 and Q = 4 in Table 3?10152025None of the above.64.A)B)C)D)E) What is AFC at Q = 5 in Table 3? 3457.51565. unit.A) Total cost at " q + 1” minus total cost at “q " gives marginal cost for the 'q 'th True B) False66.A)B) The balanee sheet always balances because:by definition, profit is the residual between revenue and cost.every proper official business statement is audited by a firm of independentaccounta nts.C)D)E) accountants, like statisticians, know how to manipulate the truth・by definition, net worth equals the difference between assets and liabilities・ none of67. A driver wishes to buy gasoline and have her car washed・ She finds that the wash costs $3.00 when she buys 19 gallons at $1.00 each, but that if she buys 20 gallons, the car wash is free ・ Thus the margi nal cost of the twentieth gall on of gas is:A)B)C)D)E) -$2.00.$0.00.$1.00.$2.00.none of the above.68. If a firm produces more goods than it sells and buys more raw materials than it uses up during the year, an inventory adjustment must be made so as not to:A) overstate earnings for the year.B) understate earnings for the year.C) overstate liabilities at the end of the year.D) understate liabilities at the end of the year.E) overstate assets at the end of the year.69. Both the bala nee sheet and the in come statement in dicate the flow of sales, cost, and revenue over the accounting period.A) True B) False70. In calculati ng a firm's total costs, which of the following is not in eluded?A) The owner's expertise・B) The demand curve facing the firm.C) The taxes paid by the firm.D) Non・essential costs, such as advertising and entertainment experises・E) In put prices ・71. The zero・profit point for a perfectly competitive firm occurs where the price equals the minimum point of the:A) A VC curve ・B) AC curve.C) MC curve.D) AFC curve.E) none of the above・72・ In the long run, all costs:A) lie along a perfectly elastic Iong-run supply curve・B) are fixed costs・C) are variable costs・D) exhibit constant returns to scale・E) depe nd upon the dema nd structure of the give n market ・73. Pure economic rent is the price paid to a factor of production that is fixed in total supplyA) True B) False74. If, in long run equilibrium, the competitive price of some good is $1 6.67, then, for each and every firm in the industry,A) marginal cost > average cost = $16.67.B) marginal cost < average cost = $16.67.C) $16.67 = marginal cost = average cost・D) $16.67 = marginal cost > average cost・E) $16.67 = marginal cost < average cost・75. A tax on the emission of a pollutant from the firms of a competitive industry can be expected to cause the equilibrium quantity demanded and supplied to decline・A) True B) False76・ In a market economy, the short・run reaction to an excess supply of a commodity after a decrease in dema nd is:A) price will rise, but profits fall・B) price and profits will fall・C) price will fall, but profits will be unchanged.D) price will fall, but profits will in crease ・E) price and profits will both in crease ・77. In the long run, any firm will eventually leave an industry if:A) price does not cover at least average total cost・B) price is not equal to marginal cost.C) price is higher than average variable cost.D) price is not at least equal to the minimum of the marginal cost curve.E) other firms in the industry are leaving.Figure 678. In Figure 6, the firm's economic profits will equal:A) 0.B) $40.C) $100.D) $150.E) none of the above.79・ Which of the following is incompatible with an efficient economic optimum?A) Perfect competition.B) Absenee of externalities・C) Monopoly.D) All of the above are incompatible.E) None of the above is in compatible ・80. Under conditions of decreasing cost:A) externalities are irrelevant and in applicable ・B) each of the firms in the industry will continue to produce more output at falling costs per unit・C) a strong case can be made for supplanting complete individualism by some kind of group action.D) a few large sellers may come to dom in ate the industry.E) monopolization of the industry becomes impossible・Use the following to answer questions 81 ・82:Table 4P Q$5 8$4 12$3 17$2 22$1 2781 ・ Suppose an imperfect competitor faces the dema nd curve defi ned in Table 4, and its MC is constant at $2.00・ If the firm is able to produce at any output level, then it maximizes profits at:A) P =£＞；q = 8B) P= 4q = 12.C) P=G q = 17.D) P= 2 !； q = 22.E) none of the above if fixed costs are less than $1.00.82. Consider the demand curve given in Table 4. If the imperfectly competitive firm is able to produce at any output level, then the price and quantity which maximize total revenueA) P = £＞；8B) P= 4 q = 12.C) P= 3 q = 17.D) P= 2 •: q = 22.E) P= 1 ；q = 27.83. Falling marginal reve nue faci ng an individual firm is in compatible with:A) growth of the firm.B) perfect competition.C) oligopol y.D) barriers to entry.E) none of the above・84. A percentage tax on a monopolist's profit has no effect on the profit-maximizing output as long as the tax is no greater than 100%.A) True B) False85. A profit・maximizing firm will always try to operate at the level of output at which its average costs are at a minimum, i.e., at the bottom of its U・shaped cost curve・A) True B) False86. Steel is an oligopolistic industry in the U.S.A) True B) False87. If all firms in an industry sell identical products, then it would never pay to advertise ・A) True B) False88. The marginal cost schedule faci ng an imperfect competitor is con st a nt at $12 ・ The dema nd curve is give n in Table 5. The profit maximizing output for this firm is:Table 5P Q$20 6$19 7$18 8$17 9$16 IOA) 6 unitsB) 7 unitsC) 8 unitsD) 9 unitsE) 10 units89. If a firm*s dema nd curve is horiz on tai, then the firm's marginal revenue is:A) less than the price of the product.B) equal to the price of the product.C) greater than the price of the product.D) greater than, equal to, or less than the price of the product, depending on the particular circumstances・E) not determ in able from the above inf ormati on.90. An imperfect competitor is not willing to increase sales at the prevailing price because todo so would reduce marginal revenue・A) True B) False91 ・ If price equals P1 for a monopolist good and P2 for a competitive good, then for any single consumer the ratio of marginal utilities, MU1/MU2:A) is exactly 1, and equal to the ratios of marginal costs, MC1/MC2.B) is exactly 1, and less than the ratios of marginal costs, MC1/MC2.C) is exactly 1, and greater than the ratios of marginal costs, MC1/MC2.D) is exactly 1, and MC1 = MC2E) cannot be determined on data given.Use the following to answer questions 92・93:Figure 792. By the deadweight loss due to monopoly, we mean the area in Figure 7 labeled:A) PAB.B) ABCD.C) FDEQ.D) PCEB.E) BDE.93. Consider Figure 7. The cartel solution would occur at point:A) B.B) E.C) H.D) G.E) none of the above.94. The H separation of ownership and control H in the large corporation refers primarilyto:A) government limitations on the rights of capital ownership・B) the ability of a small minority of shareholders or management to exercise effective control.C) the issuanee of voting warrants to management personnel.D) the lack of diversification of stock ownership.E) the fact that an officer of the company can sit on the board of directors, even though hemay not be a shareholder.95. "There are thousands of 'Ma and Pa1 grocery stores in the United States that sellvery similar merchandise・Therefore, the retail grocery business must be perfectly competitive.H This statement is:A) correct; grocery stores are like wheat farms, and if wheat farming is perfectly competitive, so is the grocery business・B) incorrect; since the production of food is nearly perfectly competitive, the distribution of food must be perfectly competitive also.C) in correct; grocery stores are best described as oligopolistic.D) in correct; the thousands of separate retail grocery markets may best be described as monopolistically competitive with product differentiation determined by location.E) correct; retail groceries are notoriously unprofitable・96. A concentration ratio measures:A) the number of firms in a perfectly competitive industry・B) the rwmber of products sold in a monopolistically competitive market・C) the ratio of the total number of firms in the market to the dollar value of industry revenues.D) the percent of total industry output that is accounted for by the largest firms・E) none of the above・97. Monopolistic deviation from P = MC means that:A) no body can be made better off without maki ng someone else worse off.B) goods are being produced efficiently.C) society is more able to achieve its welfare optimum.D) someone can be made better off without maki ng some one else worse off.E) none of the above・98. Which of the following best explains why collusive oligopolies are not stable?A) Compa nies are in here ntly hostile to each other.B) Companies feel they have a moral responsibility not to collude・C) Each company in the oligopoly can in crease its profits by deviating from the agreed upon price and/or quantity.D) Oligopolies are not unstable; rather they are quite stable・E) None of the above・99. Many firms practice mark up pricing, since it allows for profit maximization.A) True B) False100.Strategic interaction is a term used to describe the condition in which a firm's business strategy depends upon its competitors1 actions・A) True B) False。

维斯塔斯培训选拔试题1、选择并翻译此题（2分，翻译1分，选择1分）What is the nominal output in MW for a V80.A:2.75MW B:2.0MW(USA1.8MW) C:1.65MW D:3.0MW(答案：V80的输出功率是多少？B)2、填空并翻译此题（5分，每空1分，排序1分）State with numbers 1-2-3-4,whloh components that are erected first 1 and last 4 on a WTG.______Nacelle _______Hub _______Blades _______Tower(答案：将1、2、3、4填写到空白处，顺序为安装顺序。

2 3 4 1 翻译：机舱轮毂叶片塔筒)3、填空并翻译此题（4分，前4空2分、后面空1分，翻译1分）Name the five components in a WTG？First letter given.B________、H_______、N_______、T________、F________.(答案：写出5个风机中的主要部件，第一个字母已经给出。

Blades 叶片、Hub 轮毂、Nacelle 机舱、Tower 塔筒、Foundation 基础)4、选择并翻译所选择的选项及题目：（单选）（5分翻译4分，选择1分。

）If you discover lager sized metal filings in the oil/filter than normal-what do you do?A:Let the turbine run and fix it on the next soheduled service.B:Contect your manager, take plotures notes, change the filter.C:Change oil and filterD.Discuss the problem with your colleagues.(答案：如果你发现有较大金属颗粒在油/过滤器中的时候，正常情况下你应该如何做？A：让风机继续运行，下次做维护时候修复B：照相、更换滤芯、联系你的经理C：更换油和滤芯D：和你的同事探讨这个问题选B)5、选择并翻译所选择的选项及题目。

1+X 西门子模考试题（含参考答案）一、单选题（共100题，每题1分，共100分）1、（）是执行 RP 查找命令时轴使用的初始速度。

A、RP_FASTB、RP_SLOWC、RP_SEEK_DIRD、RP_APPR_DIR正确答案：A2、在图像处理程序中，阈值提取区域计算的是（）。

A、区域B、灰度值C、像素D、图像正确答案：A3、DS5C型伺服电机驱动器CN0端子中，用来控制伺服电机的脉冲输入端子为（）。

A、P-与P+24VB、D-与D+24VC、SI1与+24VD、SO1与COM正确答案：A4、步进电机驱动器中，其脉冲控制信号是（）有效。

A、下降沿B、始终C、上升沿D、不确定正确答案：C5、S7-1200 PID_Compact输入/输出参数中，（）是 PID控制器在自动模式下的设定值。

A、SetpointB、DisturbanceC、InputD、Mode正确答案：A6、当S7-1200输入0—10V模拟量，经A/D转换后，我们得到的数值是AIW0为12800，相应的模拟电信号是（）V。

A、4B、5C、6D、7正确答案：A7、某光源控制器的型号为“SIC-XY24 4-D”，其调节方式为（）。

A、数字调节B、模拟调节C、PID调节D、自动调节正确答案：A8、SPV200系列的工业控制器，其电源为（）。

A、AC220B、DC5VC、DC24VD、AC380V正确答案：C9、如果未找到边缘，可用（）方式改善效果。

A、减少梯度阈值B、增加扫描宽度C、增加滤波参数D、增加扫描宽度正确答案：A10、简单的过程控制系统实现的控制过程为（）。

A、缓慢的变化过程B、稳定衰减的振荡过程C、发散振荡的变化过程D、等幅振荡的变化过程正确答案：B11、在工业相机工具属性中，以下（）属性的类型是整型。

A、曝光时间B、输出正常C、是否连接D、是否成功正确答案：A12、在使用USS协议控制MM440变频器时，用来设置变频器的USS地址的参数是（）。

SimOS专项练习题库有答案(一)
SimOS专项练习题库为广大学生提供了一站式解决方案，让所有学习者都能享受到优质的SimOS学习体验。

这个学习平台的最大特点之一就是提供了答案，这让学生在练习的过程中不用再苦苦搜索答案，更加便于巩固知识点和理解复杂的概念。

对于学生来说，练习是掌握知识的重要手段之一。

但是，对于SimOS 这样的复杂学科，大多数练习并不是那么容易的事情。

因此，SimOS专项练习题库的出现就是一个及时雨。

这个平台包含了大量优质的练习题，从基础概念到高级应用，几乎覆盖了所有的学习内容。

学生可以选择适合自己的练习题目，按照自己的节奏进行学习，随时随地掌握最新的知识进展。

SimOS专项练习题库的优点之一是提供了答案。

在练习的过程中，如果遇到了困难，学生可以随时查看正确答案，更快地掌握知识点或者解决问题。

这不仅可以节约时间和精力，还能更好地加强学生的自信心和学习动力，让所有学生都能更好地应对知识考核和应用挑战。

除了提供答案外，SimOS专项练习题库还有许多其他功能。

例如，学生可以参与在线讨论，与同学交流学习心得或疑惑，让学习变得更加生动有趣；学生还可以根据自己的进度和技能选择不同难度的练习题，提升自我挑战和学习能力，让学习变得更加富有挑战和成就感。

总体来说，SimOS专项练习题库是一个优秀的学习平台，给广大SimOS 学生带来了巨大的便利和帮助。

它不仅提供了大量优质的练习题，还提供了答案，这加快了学生的学习步伐，提高了学习效率。

未来，SimOS专项练习题库还将不断更新，为广大学生提供更好的学习体验和知识服务，助力他们实现梦想和追逐成就。

4.8习题44.1编写程序，要求产生20个20上下浮动5的随机数分别存储为文本文件，电子表格文件和二进制文件；然后编写另外的程序读上述文件中的数据并在前面板中显示出来。

参考答案：前面板与程序框图≡[o]EF≡⅛S -------- H4.2编写程序，要求模拟一个含有正弦波和方波的双通道波形数据存储为波形文件，并要求文件中显示的存储时间为当前系统时间。

参考答案：保存路径可以自由选择，保存格式可以是二进制。

3 .设计一个Vl来测量温度（温度是用一个20到40的随机整数来代替），每隔0.25秒测一次，共测定5秒。

在数据采集过程中，Vl将在波形Chart 上实时地显示测量结果。

采集过程结束后，在GraPh 上画出温度数据曲线，并且把测量的温度值以文件的形式存盘。

存盘格式为：点数时间(三)温度值(度) 1 0.25 前面板参考下图4 .利用AcquireTemperatureDataValue(Simulated).vi,每500ms 采集一次温度，取当前温度和最后两次温度的平均值，波形显示并同时把当前温度记录到一个文本文件中。

前面板参考下图78.2输由裁殂停止程序框图参考下图5 .从信号处理-信号生成子选板里选取正弦波和均匀白噪声，分别得到正弦、噪声和余弦三种信号，显示在表格和波形图中，并使用写入电子表格文件把数据保存下来。

前面板参考下图曲线。

ES添加的雌2程序框图参考下图回波形图2 —Iglr凝口的S 烟2 O0.062750.1253-0.18731 0.2486，0.30901 0.3681；0.425770.481750.5358；0.5877€0.6374； -0.4262-0.4039-0.00730.334Φ 0.0930?0.1075； -0.06860.17OOf0.4616： -0.054S0.363&-0.4233 0.9980；0.992Γ0.9822( 0.9685f0.951Of 0.9297；0.9048；0.8763( 0.844310.809010.77051 。

1+X工业机器人选择模考试题含答案一、判断题（共100题，每题1分，共100分）1.机器人的位姿是由姿态和位置两部分变量构成的。

A、正确B、错误正确答案：A2.机器人系统模块USER和BASE是机器人冷启动后自动生成的。

A、正确B、错误正确答案：A3.在例行程序中编辑完成运动指令后，可以在“调试”中查看示教目标点的位置数据，但是不能修改。

A、正确B、错误正确答案：B4.超声测距是一种接触式的测量方式。

A、正确B、错误正确答案：B5.根据表达式或数据的值，执行不同的指令的语句是TEST条件语句。

A、正确B、错误正确答案：A6.急停开关（E-Stop）不允许被短接。

A、正确B、错误正确答案：A7.当工件在生产时掉落后，为了保障生产效率，可快速在机器人空间中将工件捡起。

A、正确B、错误正确答案：B8.使用赋值指令时，其右侧的表达式只能由常量和变量组合所构成。

A、正确B、错误正确答案：B9.在ABB机器人示教盒的“系统信息”选项里可以查看用户编写的RAPID程序。

A、正确B、错误正确答案：B10.组输入输出信号GIO占用4位地址，可代表十进制数0-15。

A、正确B、错误正确答案：A11.突然停电后，要赶在来电之前预先关闭机器人的主电源开关，并及时取下夹具上的工件。

A、正确B、错误正确答案：A12.要确定机器人工具数据，只要获取工具坐标系的数据即可。

A、正确B、错误正确答案：B13.机器人的驱动方式主要有电机驱动、气压驱动和液压驱动。

A、正确B、错误正确答案：A14.程序编写完可直接自动运行。

A、正确B、错误正确答案：B15.可以使用三点法进行用户（工件）坐标系标定。

A、正确B、错误正确答案：A16.只有在手动模式下才能在程序编辑器中进行添加指令的操作。

A、正确B、错误正确答案：A17.编辑程序时可以范围选取多行连续的指令。

A、正确B、错误正确答案：A18.工具坐标系建立完成后，不需要对该工具坐标系进行再次验证。

目录国际结算认知.................................................................国际结算整体认知......................................................................................................................................................汇款认知......................................................................................................................................................................托收认知......................................................................................................................................................................信用证认知..................................................................................................................................................................贸易融资认知..............................................................................................................................................................保函备证认知.............................................................................................................................................................. 汇款.........................................................................汇出汇款......................................................................................................................................................................汇款人汇出汇款01.............................................................................................................................................汇款人汇出汇款02.............................................................................................................................................汇出行汇出汇款01.............................................................................................................................................汇出行汇出汇款02.............................................................................................................................................汇入汇款......................................................................................................................................................................汇入行汇入汇款01.............................................................................................................................................汇入行汇入汇款02.............................................................................................................................................收款人办理国际收支申报01.............................................................................................................................收款人办理国际收支申报02 ............................................................................................................................. 托收.........................................................................出口托收业务..............................................................................................................................................................委托人委托银行办理出口托收01.....................................................................................................................托收行办理出口托收业务01.............................................................................................................................托收行办理出口托收业务02 .............................................................................................................................进口代收业务..............................................................................................................................................................付款人托收项下对外付款01.............................................................................................................................代收行进口代收业务01.....................................................................................................................................代收行进口代收业务02..................................................................................................................................... 信用证.......................................................................进口信用证业务..........................................................................................................................................................申请人申请开证01.............................................................................................................................................申请人申请开证02.............................................................................................................................................申请人申请开证03.............................................................................................................................................申请人申请改证01.............................................................................................................................................申请人申请改证02.............................................................................................................................................开证行开立信用证01.........................................................................................................................................开证行开立信用证02.........................................................................................................................................开证行开立信用证03.........................................................................................................................................开证行修改信用证01.........................................................................................................................................开证行修改信用证02.........................................................................................................................................付款行通知付款01.............................................................................................................................................付款行通知付款02.............................................................................................................................................出口信用证业务..........................................................................................................................................................通知行通知信用证01.........................................................................................................................................通知行通知信用证02.........................................................................................................................................通知行通知信用证03.........................................................................................................................................受益人审证交单01.............................................................................................................................................受益人审证交单02.............................................................................................................................................受益人审证交单03.............................................................................................................................................交单行审单01.....................................................................................................................................................交单行审单02.....................................................................................................................................................交单行审单03..................................................................................................................................................... 贸易融资.....................................................................出口融资案例01.........................................................................................................................................................出口融资案例02.........................................................................................................................................................进口融资案例..............................................................................................................................................................银行贸易融资操作...................................................................................................................................................... 银行保函及备用信用证.........................................................申请人申请开立保函..................................................................................................................................................担保人开立保函..........................................................................................................................................................通知行通知保函..........................................................................................................................................................受益人审核保函..........................................................................................................................................................申请人申请开立备证.................................................................................................................................................. 专项练习.....................................................................国际结算概述..............................................................................................................................................................国际结算中的票据......................................................................................................................................................汇款..............................................................................................................................................................................托收..............................................................................................................................................................................信用证..........................................................................................................................................................................国际贸易融资..............................................................................................................................................................银行保函及备用信用证..............................................................................................................................................国际结算中的单据......................................................................................................................................................国际贸易结算的风险及防范......................................................................................................................................国际结算认知国际结算整体认知P7内容4（录音听完，8分）P8内容5（6分）国际结算与国内结算的区别有哪些？（ABC）A、货币的活动范围不同B、使用的货币不同C、遵循的法律不同D、支付的工具不同P9内容6（录音听完，8分）P11内容9（6分）P14内容12（录音听完，8分）P15内容13（录音听完，8分）P16内容14（录音听完，8分）P17内容15（录音听完，8分）P18内容16（6分）国际结算的衍变历程经历哪些方面的变革？（ABCD）A、现金结算变为票据结算B、货物买卖变为单据买卖C、直接结算变为银行结算D、人工结算变为电子结算P21内容19（录音听完，8分）P22内容20（6分）国际贸易结算中的票据主要包括哪几种？（ABC）A、汇票B、本票C、支票D、发票P23内容21（6分）国际结算方式主要包括哪几种？（ABC）A、汇款B、托收C、信用证P25内容23（录音听完，8分）P31内容29（6分）下列选项中，哪些是属于国际结算中的货币清算系统？（ABCE）A、SWIFTB、CHIPSC、CHAPSD、EDIE、TATGET汇款认知P5内容2（录音听完，6分）P7内容4 （10分）在汇款的当事人中，汇款人和汇出行之间是哪种关系？（B）A、债权债务关系B、委托与被委托关系C、委托代理关系D、账户往来关系P10内容7（录音听完，6分）P11内容8（录音听完，6分）P12内容9（录音听完，6分）P14内容11（10分）汇款按照结算工具的不同，可以分为哪几种？（ABC）A、电汇B、信汇C、票汇P18内容15（录音听完，6分）P19内容16（录音听完，6分）P20内容17（录音听完，6分）P21内容18（10分）如果汇出行与汇入行之间没有帐户关系或没有所汇货币帐户关系，那么，头寸应该通过什么方式来完成转账？（B）A、账户行直接入账型B 、“碰头行”转帐型C、各自帐户行转帐型P26内容23（录音听完，6分）P27内容24（录音听完，6分）P28内容25（录音听完，6分）P29内容26（10分）在国际贸易中，汇款主要包括哪几种方式？（ABC）A、货到付款B、预付货款C、交单付现托收认知P5第2页（录音听完，7分）P8第5页（录音听完，7分）P9第6页（10分）托收的当事人中，代收行与付款人之间是什么关系？（C）A、债权债务关系B、委托代理关系C、无契约关系P11第8页（录音听完，7分）P14第11页（录音听完，7分）P18第15页（录音听完，7分）P19第16页（10分）P21第18页（录音听完，7分）P22第19页（录音听完，7分）P23第20页（录音听完，7分）P25第22页（录音听完，7分）P26第23页（录音听完，7分）P27第24页（10分）对出口商来说，风险最小的托收结算方式是哪一种？（A）A、即期付款交单B、远期付款交单C、承兑交单D、光票托收信用证认知P5内容2（录音听完，8分）P6内容3（录音听完，8分）P8内容5（录音听完，8分）P9内容6（7分）具备哪些要素的约定就可以称之为信用证？（ABC）A、信用证应当是开证行开出的确定承诺文件B、开证行承付的前提条件是相符交单C、开证行的承付承诺不可撤销P11内容8（录音听完，8分）P12内容9（录音听完，8分）P13内容10（录音听完，8分）P14内容11（录音听完，8分）P16内容24（7分）信开本信用证包括哪几种？（BCD）A、电开本信用证B、简电本信用证C、全电本信用证D、SWIFT开证P28内容24（7分）按照付款时间划分，信用证可以分为哪几种？（CDE）A、即期付款信用证B、延期付款信用证C、即期信用证D、远期信用证E、假远期信用证P31内容27（录音听完，8分）P32内容28（录音听完，8分）P35内容32（7分）银行应该对信用证的哪些方面进行审查？（ABCDE）A、审查开证行资信B、审查信用证的有效性C、审查信用证的责任条款D、索汇路线和索汇方式的审查E、信用证项下的费用问题贸易融资认知P6内容3（录音听完，5分）P8内容5（录音听完，5分）P11 内容8 （12分）在国际贸易中，进口商可以采用哪些结算方式来完成债权债务关系？（ABC）A、汇款B、托收C、信用证P15 内容12 （12分）进口商对贸易融资会有哪些需求呢？(ABC)A、进口货物的时候能否不占压资金或少占压资金B、可以在货物售出后再付款吗C、怎样在货先到而单据未到的情况下提货P16内容13（录音听完，5分）P18 内容15 (14分)出口商对贸易融资会有哪些需求呢？(ABCD)A、组织货流资金不够，银行能帮我吗？B、如何在出货后，立即获付？C、远期结算方式，可以立即收款吗？D、在托收或赊帐情况下，如何能够有保证地收回货款？P19内容16（录音听完，5分）P21 内容18 拖曳匹配题（16分）P25 内容22 （16分）国际贸易融资主要具有哪些特点？（ABCDE）A、具有自偿性B、单据通过银行传递C、期限较短D、综合收益高E、时效性强保函备证认知P5第2页（录音听完，10分）P6第3页（录音听完，10分）P9第6页（录音听完，10分）P10第7页（录音听完，10分）P12第9页（10分）银行保函的基本当事人是哪三个？（ADF）A、申请人B、转开行C、通知行D、受益人E、保兑行F、担保人G、反担保人P18第15页（10分）P20第17页（录音听完，10分）P23第20页（10分）备用信用证具有哪些性质？（ABCD）A、不可撤销性B、独立性C、跟单性D、强制性P25第22页（录音听完，10分）P26第23页（录音听完，10分）汇款汇出汇款汇款人汇出汇款01P12提问（6分）谢晓峰：“海运，从汉堡到广州航行时间大概30天左右。

1+X西门子考试模拟题（附参考答案）一、判断题（共100题，每题1分，共100分）1.应变测量中，希望灵敏度高、线性好、有温度自补偿功能，应选择双臂半桥测量转换电路。

A、正确B、错误正确答案：B2.机械回零过程会在原点检测到下降沿时立刻停止。

A、正确B、错误正确答案：A3.人机界面中“功能键”按键功能包括释放状态、按下状态、释放时、按下时方式。

A、正确B、错误正确答案：A4.在继电器输出线圈和接点之间，可编程控制器内部电路和外部电路负载电路之间是电气绝缘的；另外各公共端块间也是相互分离的。

A、正确B、错误正确答案：A5.在执行条纹线段定位时，条纹扫描参数将最大宽度调整为条纹的采样时间A、正确B、错误正确答案：B6.指示灯ERR常亮时，表示PLC运行出现问题，请及时更正程序。

A、正确B、错误正确答案：A7.对于XD系列PLC，RS232与RS485只支持全双工。

A、正确B、错误正确答案：B8.在通常情况下，X0、X1端子在单相和AB相模式下输入频率分别可达80KHz和50KHz；其它端子在单相和AB相模式下最高频率分别可达8KHz和5KHz。

A、正确B、错误正确答案：B9.在S7-1200CPU内部，模拟量信号输入0-20mA对应于数值范围0-27648（）A、正确B、错误正确答案：A10.西门子S7-1200PLC温度模拟量输入模块所读取的热电阻数据是温度测量值的10倍（）A、正确B、错误正确答案：A11.信捷PLC基本单元中，输入继电器是用于接收外部的开关信号的接口，以符号X表示。

A、正确B、错误正确答案：A12.PLC的定时器全部以十进制来进行编址。

A、正确B、错误正确答案：A13.在TouchWin人机界面编辑软件设置PFW数据时，其首地址需大于255。

A、正确B、错误正确答案：A14.在PID控制中，根据被控过程的特性确定PID控制器的比例系数，积分时间和微分时间的大小（）A、正确B、错误正确答案：A15.在RS232网络中，只能一对一通讯，某一时刻只能有一个主站一个从站。

1+X工业机器人选择模拟考试题与答案一、判断题（共100题，每题1分，共100分）1.合理的设置区域数据Zonedata的数值可以提高机器人的运行效率。

A、正确B、错误正确答案：A2.可以使用三点法进行用户（工件）坐标系标定。

A、正确B、错误正确答案：A3.区域数据（Zonedata）的数值不能超过下一条移动指令移动路径的一半。

A、正确B、错误正确答案：A4.给机器人系统添加数字I/O信号需要设定信号名称、信号类型即可。

A、正确B、错误正确答案：B5.在标定工业机器人夹爪的工具坐标系时，一般使用带有尖点的工具作为辅助标定工具。

A、正确B、错误正确答案：A6.工业机器人精度是指定位精度和重复定位精度。

A、正确B、错误正确答案：A7.机器人超载荷运行也是可以的。

A、正确B、错误正确答案：B8.在启动机器人自动运行前，必须要检查安全防护装置都可以正常起作用。

B、错误正确答案：A9.工件坐标系中的用户框架是相对于大地坐标系创建的A、正确B、错误正确答案：A10.紧急停止按钮通过切掉伺服电源立即停止机器人操作。

A、正确B、错误正确答案：B11.程序数据是在程序模块或系统模块中设定的和定义的一些环境数据。

A、正确B、错误正确答案：A12.在检查好机器人，关机断电前为了安全可以先将示教器急停按钮按下再进行断电操作。

A、正确B、错误正确答案：A13.机器人程序存储器中，只允许存在一个主程序。

A、正确B、错误正确答案：A14.使用MoveC指令时，起点和终点之间的最小距离为0.1mm。

A、正确B、错误正确答案：A15.进行工业机器人示教编程时必须要戴安全帽。

A、正确B、错误正确答案：A16.机器人大部分坐标系都是笛卡尔直角坐标系，符合右手定则。

A、正确正确答案：A17.任何复杂运动都可以分解为由多个平移和绕轴转动的简单运动的合成。

A、正确B、错误正确答案：A18.在清洁示教盒屏幕或者防止触摸屏误操作时，可通过锁定触摸屏实现。