A. The invention of the fridge. B. The pollution caused by fridges. C. The widespread need for fridges. D. The days without t

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问题 A. The invention of the fridge.
B. The pollution caused by fridges.
C. The widespread need for fridges.
D. The days without the fridge.
E. The waste of energy caused by fridges.
F. The fridge’s contribution to commerce.
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选项

答案B

解析 空格前面部分的内容说“冰箱的发明所作出的一个重要的贡献是……”,我们在解答概括大意部分的题时,已经了解到“市场销售/贸易”是“冰箱的贡献”,对比剩下的选项,判断B(冰箱促进了各种商品的销售)是答案。
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