请根据短文内容，回答题。 A Country"s Standard of Living The "standard of living" of any country means the average person&39;s share of the goods and services the country produces. A country&39;s standard of living, therefore __________ (51) ftrst on its capacity to produce wealth. "Wealth" in this __________ (52) is not money, for we do not live on money but on things that money can buy: "goods" such as food and clothing, and "services" such as transport and entertainment. A country&39;s capacity to __________ (53) wealth depends upon many factors, most of __________ (54)have an effect on one another. Wealth depends __________ (55) a great extent upon a country&39;s natural resources. Some regions of the world are well supplied with coal and minerals, and have fertile (肥沃的) soil and a favorable climate; other regions __________ (56) none of them. Next to natural resources comes the ability to __________ (57) them to use. China is perhaps as rich as the USA in natural resources, but suffered for many years __________ (58) civil and extemal wars. And for this and other__________ (59) was unable to develop her resources. Sound and stable political conditions and __________ (60) from foreign invasions enable a country to develop its natural resources peacefully and steadily, and to produce more __________ (61) than another country equally well favored by nature but less well ordered. A country&39;s standard of living does not only depend upon the wealth that is produced and__________ (62) within its own borders, but also upon what is directly produced through international trade. For example, Britain&39;s wealth in food stuffs and other agricultural__________(63) would be much less if she had to depend only on those grown at home. Trade makes it possible for her surplus ( 过剩的) manufactured goods to be traded abroad for the agricultural products__________ (64) would otherwise be lacking. A country&39;s wealth is, therefore, much influenced by its manufacturing capacity,__________ (65) that other countries can be found ready to accept its manufactures. _________ 查看材料 A.calls

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