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本題由chris提供
Brochure: Help conserve our city’s water supply. By
Criticism: For most people with yards, the savings from converting to a water-conserving landscape cannot justify the expense of new landscaping, since typically the conversion would save less than twenty dollars on a homeowner’s yearly water bills.
Which of the following, if true, provides the best basis for a rebuttal of the criticism?
A. Even homeowners whose yards do not have water-conserving landscapes can conserve water by installing water-saving devices in their homes.
B. A conventional landscape generally requires a much greater expenditure on fertilizer and herbicide than does a water-conserving landscape.
C. A significant proportion of the residents of the city live in buildings that do not have yards.
D. It costs no more to put in water-conserving landscaping than it does to put in conventional landscaping.
E. Some homeowners use more water to maintain their yards than they use for all other purposes combined.
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此題主要
1.問題陷阱：rebuttal是問對“water－conserve land不省錢“的反駁，也就是答案要支持這個新方案是省錢的。
2.根據(jù)cost就可以鎖定答案在BD。
B 正確，反駁因?yàn)槔峡畹纳婕暗椒柿铣輨┻@些會更多cost，正好駁斥掉觀點(diǎn)。
D 比的cost不是put in，而是conversion，排除。
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