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标题: 请教PP上一道语法题! [打印本页]

作者: 小精灵    时间: 2005-3-4 21:29     标题: 请教PP上一道语法题!

Lactose,(a) sugar (present) in milk, is one (of simple) sugars used in (food) preparations for infants.

我看到有二种答案,一个选B,一个选C。我选的是B。

请问大家到底哪个答案对呀?谢谢!


作者: topway5    时间: 2005-3-4 21:54

so far as i am concerned,b is the key.
作者: 小精灵    时间: 2005-3-7 20:08

谢谢!!




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