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完形填空(第51～65题，每题1分，共15分) 阅读下面的短文，文中有15处空白，每处空白给出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，涂在答题卡相应的位置上。 The Central Problem of Economics The central problem of economics is to satisfy the peoples and nations wants. The problem we are faced with is that our resources, here identified as money, are (51). The only way we can resolve our problem is to make choices. After looking at our resources, we must examine our list of (52) and identify the things we need immediately, those we can postpone, and (53) we cannot afford. As individuals, we face the central problem involved in economicsdeciding just how to allocate (分配) our limited resources to provide ourselves with the greatest (54) of our wants. Nations face the same problem. As a countrys population .(55), the need for more goods and services grows correspondingly. Resources necessary to production may increase, but there are (56) enough resources to satisfy the total desires of a nation. Whether the budget meeting is taking place in the family living room, in the conference room of the corporation .(57) of directors, or in the chamber of the House of Representatives in Washington, the basic problem still exists. We need to find .(58) of allocating limited resources in order to satisfy unlimited wants. | 
