标题: 6号就要考了，Prep 中的一道语法，关于倍数的，麻烦大侠们帮忙指点。万分感谢 [打印本页] 作者: memory09 时间: 2010-8-4 15:33 标题: 6号就要考了，Prep 中的一道语法，关于倍数的，麻烦大侠们帮忙指点。万分感谢 A new hair-growth drug is being sold for three times the price, per milligram, as the drug’s maker charges for another product with the same active ingredient. A.) as B.) than C.) that D.) of what E.) at which