問題詳情

請依下文回答第 43 題至第 47 題     Most people value efficiency because it allows us to get more of what we want from the means at our disposal.The free market often 43 efficiency. Producers compete with one another to provide goods and services ofgreater quality at lower prices. A lower price typically represents a smaller 44 not only on our individualfinancial resources, but also on the resources of the planet. For example, telephone communication with fiber optics ischeaper than with copper wire, and it is cheaper at least in part because 45 takes up less space and uses morereadily available materials. The lower price corresponds to reduced environmental impact. Free market competitionwithin the profit-oriented telecommunication industry 46 efficiencies that benefit both customers andecosystems. Long distance rates keep coming down.     However, this logic does not work with public goods, such as clean air and water. These are goods that no oneowns individually, so no one has a financial 47 to use them efficiently. They tend to be wasted unless societyimposes regulations, such as required pollution permits, which make degradation costly.
43
(A) deters
(B) fosters
(C) contributes
(D) forecloses

參考答案

答案：B
難度：困難0.26087
統計：A(5),B(12),C(22),D(4),E(0)

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