[简答题]

46)Free-market economy is an economic system in which individuals, rather than government, make the majority of. decisions regarding economic activities and transactions. Iadividuals are free to make economic decisions concerning their employment, how to use or accumulate capital, what expenditures to make, and whether to use their resources now or to save them for later consumption. The principles underlying free-market economies can be traced to the 18th century British economist Adam Smith. 47)According to Smith, individuals acting in their own economic self-interest will maximize the economic situation of society as a whole, as if guided by an "invisible hand". In a free-market economy the government’s function is limited to providing what are known as "public goods" and performing a regulatory role in certain sifuations.
48) Public goods, which include defense, law and order, and education, have two characteristics;consumpti

[单项选择]Embedded system is (66) special computer system which is scalable on both software and (67). It can satisfy the strict requirement of functionality, (68) , cost, volume, and power consumption of the particular application. With rapid development of (69) design and manufacture, CPUs became cheap. Lots of (70) electronics have embedded CPU and thus became embedded systems. For example, PDAs, cellphones, point-of-sale devices, VCRs, industrial robot control, or even your toasters can be embedded system.
A. cost-oriented
B. application-oriented
C. efficiency-oriented
D. consumption-oriented

[单项选择]The American party system is a two-party system which is unlikely to become anything else. It is not just that the two-party polarization has the weight of tradition behind it but also that the two-party polarization is built into our constitutional and legal system. Our entire electoral arrangements, the absence of proportional representation, the exorbitant cost of political campaigns, the legal difficulties in getting on and staying on the ballot in many states-all these things work against the rise of minor parties.
Also the single member legislative district, the division of power between the nation and the states, the method of electing a president with the winner itself, work to keep power in the hands of the two major parties. Major parties (like the Federalists and the Whigs) have broken up and been replaced as new parties have emerged in the past. But no minor party has ever gradually risen to achieve the stature of a major party, and no third party has lasted very lon
A. not expensive
B. fairly expensive
C. too expensive
D. too cheap

[简答题]The American economic system is organized around a basically private-enterprise, market oriented economy in which consumers largely determine what shall be produced by spending their money in the marketplace for those goods and services that they want most. Private businessmen, striving to make profits, produce these goods and services in competition. with other businessmen; and the profit motive, operating under competitive pressures, largely determines how these goods and services axe produced. Thus, in the American economic system it is the demand of individual consumers, coupled with the desire of businessmen m maximize profits and the desire of individuals to maximize their incomes, that together determine what shall be produced and how resources are used to produce it.

[填空题]The most important element for an economic system is ______.