阅读下面的短文，文中有15处空白，每处空白给出了4个选项，请根据短文的内容从4个选项中选择1个最佳答案。

A Country's Standard of Living

　　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, _______(1), depends on its capacity to produce wealth. "Wealth"_____(2) this sense is not money, for we do riot live on money_____(3) on things that money can buy: "goods" such as food and clothing, and "services" such as transport and entertainment. A country's capacity to produce wealth depends upon many factors, most of_____(4) have an effect on one another. Wealth depends_____(5) a great extent upon a country'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_____(6) the ability to turn them to use. China is perhaps as well-off_____(7) the USA in natural resources, but suffered for many years from civil and external wars, and_____(8) this and other reasons was_____(9) to develop her resources. Sound and stable political conditions, and_____(10) 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's standard of living does not only depend upon the wealth that is produced and consumed_____(11) its own borders, but also upon what is directly produced through international trade._____(12), Britain's wealth in foodstuffs and other agricultural products would be much less if she had to depend only on_____(13) 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_____(14) be lacking. A country's wealth is, therefore, much_____(15) by its manufacturing capacity provided (如果) that other countries can be found ready to accept its manufactures.

　　1 A．however B．furthermore C．similarly D．therefore

　　2 A．by B．on C．in D．with

　　3 A．or B．but C．either D．besides

　　4 A．these B．that C．what D．which

　　5 A．at B．to C．by D．with

　　6 A．came B．coming C．comes D．come

　　7 A．to B．like C．by D．as

　　8 A．because B．for C．of D．by

　　9 A．uneasy B．incapable C．impossible D．unable

　　10 A．resolution B．freedom C．aggression D．destruction

　　11 A．at B．by C．within D．on

　　12 A．In short B．For example C．As a result D．On the other hand

　　13 A．which B．what C．that D．those

　　14 A．otherwise B．certainly C．however D．therefore

　　15 A．made B．done C．produced D．influence

　　 同时按下Crtl键和A键查看答案