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标题: GWD-4-Q4 [打印本页]

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作者: hanhardy    时间: 2006-11-19 03:15
标题: GWD-4-Q4

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 [C]

5. at which

有选C和D之辩，不明白，哪位大N能指点一下吗?

多谢！

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作者: shanexwang    时间: 2006-11-19 03:44
three times the price of the price that the drug's maker charges... ==> of what

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