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提问人:网友wurui2000 发布时间:2022-01-07
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Please calculate the present value of following instrument (with discount rate of 8%): (1)

Please calculate the present value of following instrument (with discount rate of 8%): (1)A 3-year fixed-payment loan with $10000 principal, pay 3800 every year; (2) 5-year government bond with $10000 par value and coupon rate of 8%; (3) 1-year discount bond priced $9700 with $10000 par value.

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第1题
Warsaw-Oxford Rules clearly explain thirteen kinds of trade terms in current use.

A、True

B、False

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第2题
What made the United States a powerful country by the end of World War II?
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第3题
We tend to think of the decades immediately following World War II as a time of prosperity and growth, with soldiers returning home by the millions, going off to college on the G. I. Bill and lining up at the marriage bureaus.

But when it came to their houses, it was a time of common sense and a belief that less could truly be more. During the Depression and the war, Americans had learned to live with less, and that restraint, in combination with the postwar confidence in the future, made small, efficient housing positively stylish.

Economic condition was only a stimulus for the trend toward efficient living. The phrase " less is more" was actually first popularized by a German, the architect Ludwig Mies van der Rohe, who like other people associated with the Bauhaus, a school of design, emigrated to the United States before World War II and took up posts at American architecture schools. These designers came to exert enormous influence on the course of American architecture, but none more so that Mies.

Mies's signature phrase means that less decoration, properly organized, has more impact than a lot. Elegance, he believed, did not derive from abundance. Like other modern architects, he employed metal, glass and laminated wood—materials that we take for granted today buy that in the 1940s symbolized the future. Mies's sophisticated presentation masked the fact that the spaces he designed were small and efficient, rather than big and often empty.

The apartments in the elegant towers Mies built on Chicago's Lake Shore Drive, for example, were smaller—two-bedroom units under 1, 000 square feet—than those in their older neighbors along the city's Gold Coast. But they were popular because of their airy glass walls, the views they afforded and the elegance of the buildings' details and proportions, the architectural equivalent of the abstract art so popular at the time.

The trend toward "less" was not entirely foreign. In the 1930s Frank Lloyd Wright started building more modest and efficient houses—usually around 1, 200 square feet—than the spreading two-story ones he had designed in the 1890s and the early 20th century.

The " Case Study Houses" commissioned from talented modern architects by California Arts & Architecture magazine between 1945 and 1962 were yet another homegrown influence on the "less is more" trend. Aesthetic effect came from the landscape, new materials and forthright detailing. In his Case Study House, Ralph Rapson may have mispredicted just how the mechanical revolution would impact everyday life—few American families acquired helicopters, though most eventually got clothes dryers—but his belief that self-sufficiency was both desirable and inevitable was widely shared.

The postwar American housing style. largely reflected the Americans'_________.

A.prosperity and growth

B.efficiency and practicality

C.restraint and confidence

D.pride and faithfulness

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第4题
10) As is reported, there is slight increase in the number of asymptomatic infection cases.
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第5题
In the sciatic nerve - sartorius experiments, the fatigue of muscle contraction after successive stimulation of nerve fiber is caused by

A、the inhibition of the signal transmission at neuro-muscle junction.

B、the decrease of the action potential amplitude.

C、the decreae of the speed action potential propagates on the nerve fiber.

D、the low excitability of the muscle.

E、the decreased efficiency of the signal transmission at triad of the sarcolemma.

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第6题
It is more complexed in writing "Opinion in the colony greeted the promised change with enthusiasm".
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第7题
The promise of finding long-term technological solutions to the problem of world food shortages seems difficult to fulfill. Many innovations that were once heavily supported and publicized, such as fish-protein concentrate and protein from algae grown on petroleum substrates, have since fallen by the wayside. The proposals themselves were technically feasible, but they proved to be economically unviable(not able to succeed) and to yield food products culturally unacceptable to their consumers.

One characteristic common to unsuccessful food innovations has been that, even with extensive government support, they often have not been technologically adapted or culturally acceptable to the people for whom they had been developed. A successful new technology, therefore, must fit the entire sociocultural system in which it is to find a place security of crop yield, practicality of storage, and costs are more significant than had previously been realized by the advocates of new technologies.

The adoption of new food technologies depends on more than these technical and cultural considerations; economic factors and governmental policies also strongly influence the ultimate success of any innovation. Economists in the Anglo-American tradition have taken the lead in investigating the economics of technological innovation. Although they exaggerate in claiming that profitability is the key factor guiding technical change—they completely disregard the substantial effects of culture—they are correct in stressing the importance of profits. Most technological innovations in agriculture can be fully used only by large landowners and are only adopted if these profit-oriented business believe that the innovation will increase their incomes. Thus, innovations that carry high rewards for big agribusiness groups will be adopted even if they harm segments of the population and reduce the availability of food in a country. Further, should a new technology promise to alter substantially the profits and losses associated with any production system, those with economic power will strive to maintain and improve their own position. Since large segments of the populations of many developing countries are close to the subsistence(ability to live)margin and essentially powerless, they tend to be the losers in this system unless they are aided by a government policy that takes into account the needs of all sectors (branches) of the economy. Therefore, although technical advances in food production and processing will perhaps be needed to ensure food availability, meeting food needs will depend much more on equalizing economic powers among the various segments of the populations within the developing countries themselves.

Which of the following best describes the organization of the first paragraph?

A.A suggestion is made and arguments in its favor are provided.

B.A criticism is imposed and an alternative proposal is suggested.

C.An example is analyzed and general conclusions are derived from it.

D.A generalization is advanced and supporting evidence is provided.

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第8题
The cost method of accounting is used for long-term investments in equity securities with significant influence.
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第9题
A bond that is bought at a price below its face value and the face value is repaid at a maturity date is called a

A、simple loan

B、fixed-payment loan

C、coupon bond

D、discount bond

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