题目内容
（请给出正确答案）
What was the average age of the runners at the beginning of the survey？
A．50
B．58
C．68
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更多“What was the average age of th…”相关的问题
What do men care about the fit of new clothes？
A．They like their clothes to be bigger than the average size.
B．Most men just assume that the size is right for them.
C．They make sure a thing fits before they buy it.
D．They do not worry whether a thing first well or not.
What is the theoretical value of the company？
A.$20m
B.$40m
C.$50m
D.$25m
If a firm enjoys economies of scale up to a certain output level, and cost then increases proportionately with output, what can you say about the shape of the long -run average cost curve？
What is the expected ROI of the division for the year, based on average capital employed？
A.27·59%
B.26·37%
C.18·39%
D.31·58%
一家企业的固定生产成本为5000美元，边际生产成本为常数，为500美元/单位产品。
(1)企业的总成本函数是什么？平均成本呢？
(2)如果企业想使其平均总成本最低，它应该选择非常大的产量还是比较小的产量？解释你的结论。
A firm has a fixed production cost of $ 5000 and a constant marginal cost of production of S 500 per unit produced.
a. What is the firm' s total cost function？ Average cost？
b. If the firm wanted to minimize the average total cost，would it choose to be very large or very small？ Explain.
In 1906 the psychologist, Alfred Binet, devised the standard in relation to which intelligence has since been assessed. Binet was asked to find a method of selecting all children in the schools of Paris who should be taken out of ordinary classes and put in special classes for defectives. The problem brought home to him the need for a standard of intelligence, and he hit upon the very simple concept of" mental age".
First, he invented a variety of tests and put large numbers of children of different ages through them. He then found at what age each test was passed by the average child. Binet arranged the various tests in order of difficulty, and used them as a scale by which he could measure every individual. If, for example, a boy aged twelve could only do tests that were passed by the average boy of nine, Binet held that he was three years below average, and that he had a mental age of nine.
The concept of mental age provided Binet, and through him, other psychologists with the required standard. It enabled him to state scores in intelligence tests m terms of norm. At first, it was usual to express the result of a test by the difference between the" mental" and the" chronological" age. Then the boy in the example given would be" three years retarded". Soon, however, the" mental ratio" was introduced; that is to say, the ratio of the mental age to the chronological age. Thus a boy of twelve with mental age of nine has a mental ratio of 0.75.
The mental age was replaced by the intelligence quotient or" I. Q". Clearly, since the mental age of the average child is equal to the chronological age, the average I. Q. is 100.
To judge a child's standard, his marks in a test must be compared with marks gained by ______.
A．others of the same age
B．older children
C．younger children
D．adults
Davidson’s article is one of a number of pieces that have recently appeared making the point that the reason we have such stubbornly high unemployment and declining middle-class incomes today is largely because of the big drop in demand because of the Great Recession, but it is also because of the advances in both globalization and the information technology revolution, which are more rapidly than ever replacing labor with machine or foreign workers.
In the past, workers with average skills, doing an average job, could earn an average lifestyle. But, today, average is officially over. Being average is just won’t earn you what it used to. It can’t when so many more employers have so much more access to so much more above average cheap foreign labor cheap robotics, cheap software, cheap automation and cheap genins. Therefore, everyone needs to find their extra – their unique value contribution that makes them stand out in whatever is their field of employment.
Yes, new technology has been eating jobs forever, and always will. But there’s been an acceleration. As Davidson notes, “ In the 10 years ending in 2009, factories shed workers so fast that they erased almost all the gains of the previous 70 years; roughly one out of every three manufacturing jobs – about 6 millions in total – disappeared.”
There will always be change – new jobs, new products, new services. But the one thing we know for sure is that with each advance in globalization and the I.T. revolution , the beat jobs will require workers to have more and better education to make themselves above average.
In a world where average is officially over, there are many things we need to do to buttress employment, but nothing would be more important than passing some kind of G.I. Bill for the 21st century that ensures that every American has access to post-high school education.
The joke in Paragraph 1 is used to illustrate
A.the impact of technological advances
B.the alleviation of jobs pressure
C.the shrinkages of textile mills
D.the decline of middle-class incomes
Davidson’s article is one of a number of pieces that have recently appeared making the point that the reason we have such stubbornly high unemployment and declining middle-class incomes today is also because of the advances in both globalization and the information technology revolution, which are more rapidly than ever replacing labor with machines or foreign worker.
In the past, workers with average skills, doing an average job，could earn an average lifestyle. ,But ,today ,average is officially over. Being average just won’t earn you what it used to. It can’t when so many more employers have so much more access to so much more above average cheap foreign labor, cheap robotics, cheap software, cheap automation and cheap genius. Therefore, everyone needs to find their extra-their unique value contribution that makes them stand out in whatever is their field of employment.
Yes, new technology has been eating jobs forever, and always will. But there’s been an acceleration. As Davidson notes,” In the 10 years ending in 2009, [U.S.] factories shed workers so fast that they erased almost all the gains of the previous 70 years; roughly one out of every three manufacturing jobs-about 6 million in total -disappeared.
There will always be changed-new jobs, new products, new services. But the one thing we know for sure is that with each advance in globalization and the I.T. revolution, the best jobs will require workers to have more and better education to make themselves above average.
In a world where average is officially over, there are many things we need to do to support employment, but nothing would be more important than passing some kind of G.I.Bill for the 21st century that ensures that every American has access to poet-high school education.
The joke in Paragraph 1 is used to illustrate_______ .
A.the impact of technological advances
B.the alleviation of job pressure
C.the shrinkage of textile mills
D.the decline of middle-class incomes
The quotation in Paragraph 4 explains that ______ .A.gains of technology have been erased
B.job opportunities are disappearing at a high speed
C.factories are making much less money than before
D.new jobs and services have been offered
According to the author, to reduce unemployment, the most important is_____ .A.to accelerate the I.T. revolution
B.to ensure more education for people
C.ro advance economic globalization
D.to pass more bills in the 21st century
Which of the following would be the most appropriate title for the text？A.New Law Takes Effect
B.Technology Goes Cheap
C.Average Is Over
D.Recession Is Bad
According to Paragraph 3, to be a successful employee, one has to______ .A.work on cheap software
B.ask for a moderate salary
C.adopt an average lifestyle
D.contribute something unique
听力原文： The inter-bank market is important because through banks' lending and borrowing, a short-term interest rate can be determined. This interest rate indicates the marginal cost of acquiring short-term liquidity needed by banks in the money market. Thus, the lending is usually for short-term liquidity needs which is usually overnight. Some lending transactions may be arranged for a longer period of time, usually up to 3 months. The inter-bank money market is well established and active in Hong Kong, with an average daily turnover of HK $ 38 billion in late 1991. Lenders are mostly the locally incorporated banks and major borrowers are the foreign banks that do not have adequate deposit base in local currency.
28. What can be determined through inter-bank lending and borrowing？
29.How long is the usual period of short-term liquidity needed by banks？
30.Who are the major lenders in the inter-bank market？
(28)
A．A long-term interest rate.
B．A long-term loan.
C．A short-term interest rate.
D．A short-term loan.
Cardio Co manufactures three types of fitness equipment: treadmills (T), cross trainers (C) and rowing machines (R). The budgeted sales prices and volumes for the next year are as follows:
Labour costs are 60% fixed and 40% variable. General fixed overheads excluding any fixed labour costs are expected to be $55,000 for the next year.
Required:
(a) Calculate the weighted average contribution to sales ratio for Cardio Co. (4 marks)
(b) Calculate the margin of safety in $ revenue for Cardio Co. (3 marks)
(c) Using the graph paper provided and assuming that the products are sold in a CONSTANT MIX, draw a multi-product breakeven chart for Cardio Co. Label fully both axes, any lines drawn on the graph and the breakeven point. (6 marks)
(d) Explain what would happen to the breakeven point if the products were sold in order of the most profitable products first.
Note: You are NOT required to demonstrate this on the graph drawn in part (c). (2 marks)
(1)设厂商1是斯塔克博格领袖(即在厂商2之前作它的产量决策)。找出反应曲线，使得各厂商能够根据它的竞争者的产量，求出它自己应该生产多少。
(2)各厂商将生产多少，以及利润为多少？
This exercise is a continuation of Exercise 3. We return to two firms with the same constant average and marginal cost, AC=MC=5, facing the market demand curve Q1+Q2=53-P. Now we will use the Stackelberg model to analyze what will happen if one of the firms makes its output decision ahead of the other one.
a, Suppose Firm 1 is the Stackelberg leader (i. e. , makes its output decisions ahead of Firm2). Find the reaction curves that tell each firm how much to produce in terms of the output of its competitor
b. How much will each firm produce, and what will its profit be？
