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83. Many people suffer an allergic reaction to certain sulfites, including those that are commonly added to wine as preservatives. However, since there are several winemakers who add sulfites to none of the wines they produce, people who would like to drink wine but are allergic to sulfites can drink wines produced by these winemakers without risking an allergic reaction to sulfites.
Which of the following is an assumption on which the argument depends?
(A) These winemakers have been able to duplicate the preservative effect produced by adding sulfites by means that do not involve adding any potentially allergenic substances to their wine. (B) Not all forms of sulfite are equally likely to produce the allergic reaction. (C) Wine is the only beverage to which sulfites are commonly added. (D) Apart from sulfites, there are no substances commonly present in wine that give rise to an allergic reaction. (E) Sulfites are not naturally present in the wines produced by these winemakers in amounts large enough to produce an allergic reaction in someone who drinks these wines.
正确答案是E，这个好理解的，但是我不太能理解D的解释，OG的意思是说过敏的原因只考虑sulfites，为什么呢？我真的不太能明白这个逻辑- - 求解答~~~谢谢啦
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发表于 2014-10-9 12:55:30
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