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  3. The surveys of ERS help low-income households develop economizing practices. Large-package purchase can benefit low-income hous

The surveys of ERS help low-income households develop economizing practices. Large-package purchase can benefit low-income hous

admin2013-06-02  25
问题 The surveys of ERS help low-income households develop economizing practices.
Large-package purchase can benefit low-income households in theory, but it seldom works in reality.
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答案Y
解析 参见“Choice of Package Size”小节部分第一、二句：虽然大包装商品比小包装的价格便宜，理论上可以帮助那些低收入家庭节约开支，但是从实际的一些大包装商品的销售情况看却比以往少。同时，原文的however也突出了理论和现实的差异。
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大学英语六级

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