单选题
The "standard of living" of any country means the average person's share of the goods and services the country produces. A country's standard of living, 【C1】______, depends first and 【C2】______on its capacity to produce wealth. "Wealth" in this sense is not money, for we do not live on money【C3】______on things that money can buy: "goods" such as food and clothing, and "services" such as transport and "【C4】______". A country's capacity to produce wealth depends upon many factors, most of【C5】______have an effect on one another. Wealth depends 【C6】______a great extent upon a country's natural resources. Some regions of the world are well supplied with coal and minerals, and have a fertile soil and a【C7】______climate; other regions possess none of them. Next to natural resources【C8】______the ability to turn them to use. 【C9】______and stable political conditions, and【C10】______from foreign invasion, enable a country to develop its natural resources peacefully and steadily, and to produce more wealth than another country equally well 【C11】______by nature but less well ordered. A country's standard of living does not only depend upon the wealth that is produced and consumed 【C12】______it own borders, but also upon what is indirecdy produced through international trade. For example, Britain's wealth in foodstuffs and other agricultural products would be much less if she had to depend only on【C13】______grown at home. Trade makes it possible for her surplus manufactured goods to be traded abroad for the agricultural products that would【C14】______be lacking. A country's wealth is, therefore, much influenced by its manufacturing capacity, 【C15】______that other countries can be found ready to accept its manufactures.