nn们请看道题：gwd-4-4

prfdu2005

    

A new hair-growing 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.

    

 

    

1. as
2. than
3. that
4. of what

    E.at which
答案是d, 可我认为是e, 因为price为后面句子的主语，而后面用到charge for sth at some price. at which 提前，则为e 阿。哪位好心nn可以帮我解答一下？

skyinseas

我认为是选d的说

[此贴子已经被作者于2006-9-6 16:17:26编辑过]

skyinseas

以下是引用prfdu2005在2006-9-5 22:19:00的发言：


 

A new hair-growing drug is being sold for
three times the price, per milligram, as
                the drug’s maker charges for 这里相当于price
another product with the same active ingredient.

three times 。。。。。of ＋n 固定结构
 

 再说，at which在这里你指代什么呢？

 

1. as
2. than
3. that
4. of what

    E.at which
答案是d, 可我认为是e, 因为price为后面句子的主语，而后面用到charge for sth at some price. at which 提前，则为e 阿。哪位好心nn可以帮我解答一下？

prfdu2005

谢谢版主。不知怎的，在做定语从句时我对what 有种本能排斥，总认为除了that 就是prep+which.好烦哦！