根据短文内容，回答题。 A Country&39;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, __________ (51), depends on its capacity to produce wealth. "Wealth" __________ (52) this sense is not money, for we do not live on money __________ (53) 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 produce 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 possess none of them. Next to natural resources __________ (56) the ability to turn them to use. China is perhaps as well-off __________ (57)the USA in natural resources, but suffered for many years from civil and external wars, and __________ (58) this and other reasons was __________ (59) 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 wealth than another country equally well favoured by nature but less well ordered. A country&39;s standard of living does not only depend upon the wealth that is produced and consumed __________ (61) its own borders, but also upon what is directly produced through international trade. __________ (62) , Britain&39;s wealth in foodstuffs and other agricultural products would be much less if she had to depend only on __________ (63) grown at home. Trade makes it possible for her surplus ( 过剩的 ) manufactured goods to be traded abroad for the agricultural products that would __________ (64) be lacking. A country&39;s wealth is,therefore, much __________ (65) by its manufacturing capacity provided (如果) that other countries can be found ready to accept its manufactures. __________ 查看材料