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Many winemakers use cork stoppers; but cork stoppers can leak, crumble, or became moldy, so that those winemakers must often discard a significant proportion of their inventory of bottled wine. Bottlemaster plastic stoppers, which cannot leak, crumble, or mold, have long been available to winemakers, at a price slightly higher than that of traditional cork stoppers. Cork prices, however are expected to rise dramatically in the near future. Clearly, therefore, winemakers who still use cork but wish to keep production costs from rising will be forced to reconsider plastic stoppers. And since the wine-buying public’s association of plastic stoppers with poor-quality wine is weakening, there is an excellent chance that the Bottlemaster plastic stopper will gain an increased share of the market for wine-bottle stoppers however表示转折，前面支持，后面反对，两句都在之后，所以是文章支持的，第一句在therefore后，所以是结论，第二句是since的主句，也是结论。 A) The first is a judgment that has been advanced in support of a position that the argument opposes; the second is the main conclusion of the argument. B) The first is a judgment that has been advanced in support of a position that the argument opposes; the second is conclusion drawn in order to support the main conclusion of the argument. C) The first is the main conclusion of the argument; the second provides evidence in support of that main conclusion. D) The first is the main conclusion of the argument; the second is a restatement of that main conclusion. E) The first is a conclusion drawn in order to support the main conclusion of the argument; the second is that main conclusion 排除ABC，DE主要区别是谁是main conclusion，没有读文章，但是main一般都在后面吧，所以蒙E了 | 
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发表于 2008-7-10 21:03:00
