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  3. Using fossil energy more efficiently is in the interest of the nation and the global environment, but major improvements are unl

Using fossil energy more efficiently is in the interest of the nation and the global environment, but major improvements are unl

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问题 Using fossil energy more efficiently is in the interest of the nation and the global environment, but major improvements are unlikely unless proposed government standards are implemented to eliminate products or practices that are among the least efficient in their class. Objection: Decisions on energy use are best left to the operation of the market. Which one of the following, if true, most directly undermines the objection above?
选项 A、It would be unrealistic to expect society to make the changes necessary to achieve maximum energy efficiency all at once.
B、There are products, such as automobiles, that consume energy at a sufficient rate that persons who purchase and use them will become conscious of any unusual energy inefficiency in comparison with other products in the same class.
C、Whenever a new mode of generating energy, such as a mew fuel, is introduced, a number of support systems, such as a fuel-distribution system, must be created or adapted.
D、When energy prices rise, consumers of energy tend to look for new ways to increase energy efficiency, such as by adding insulation to their houses.
E、Often the purchaser of a product, such as a landlord buying an appliance, chooses on the basis of purchase price because the purchaser is not the person who will pay for energy used by the product.
答案E
解析 要对反对意见进行削弱，只要说明市场交易不能使矿物能源的利用率提高。(E)通过举例说明了市场交易并不一定能有效地使矿物能源利用率提高，因此(E)为正确答案；(A)、(B)、(C)和(D)都为无关选项。
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