Question

The central problem of economics is to satisfy the people's and nation's wants.

The problem we faced with is that our resources, here identified as money are __50__. The only way we can solve the problem is to make choices. After looking at our resources, we must examine our list of __51__ and identify the things we need immediately, those we can postpone, and __52__ we cannot afford. As individuals, we face the central problem involved in economics---deciding how to allocate(分配) our limited resources to provide __53__ with greatest satisfaction of our wants.
    Nations face the same problem. As a country's population __54__, the need for more goods and services grows correspondingly. Resources necessary to production may increase, but there are __55__ 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 __56__ of directors, or in the chamber of the House of Representatives in Washington, the basic problem still exists. We need to find __57__ of allocating limited resources in order to satisfy unlimited wants.
    A short time ago, economists divided goods into two categories, free and economic. The former, like air and water, were in __58__ abundance(丰富) that economists had no concern for them. After all, economics is the __59__ of scarcity and what to do about it. Today many of these "free goods" are __60__ very expensive to use. Population has made clean air and water expensive for producers extra cost, and __61__ taxpayers who pay for the government's involvement in cleaning the environment.
    In the 1990s, almost all goods are __62__. Only by effort and money __63__ obtained in the from people wish.

Meeting needs of people and the demands from resource available __64__ the basic activity of production. In trying to meet unlimited wants from limited economic goods, production leads to new problems in economics.
　　

	A. limited	B. unlimited	C. scarcity	D. abundant
	A. want	B. problem	C. wants	D. resources
	A. those	B. some	C. others	D. many
	A. them	B. themselves	C. ourselves	D. ours
	A. expand	B. extends	C. grows	D. increase
	A. always	B. sometimes	C. often	D. never
	A. management	B. function	C. board	D. group
	A. people	B. economists	C. way	D. methods
	A. so	B. great	C. such	D. such an
	A. form	B. study	C. means	D. source
	A. possibly	B. in practice	C. in fact	D. practically
	A. from	B. at	C. for	D. with
	A. plentiful	B. scarce	C. abundant	D. in full supply
	A. they can be	B. can they be	C. they must be	D. must they be
	A. are led to	B. leading to	C. lead to	D. leads to

Answer 1

ACACC DCDCB CCBBD