好问题！ 首先，贴上来Ron关于这个问题解释。 ---------------------------------------------------------我是分割线---------------------------------------------------------------------------------- basically, in this sentence, the parallel structure is not actually "not X but Y"; it's just "X but Y".
background: structure 1: "not X but Y" this construction signifies that "X" is expected, normal, or customary in the given situation but that "Y" is what is actually present / has happened / will happen. for instance: Restaurant X's “hamburgers” are made not of actual hamburger but of turkey.
structure 2: "X but Y" this construction signifies some sort of general contrast between X and Y, but lacks the semantic sense that Y is a substitute for X. for instance: i am not a doctor but can fix your broken finger.
so, the correct answer to this problem can be understood as a case of structure #2 -- note my example above (“i am not a doctor but can fix your broken finger"), which will also appear incorrect if you try to process it as structure #1. ---------------------------------------------------------------------我是分割线---------------------------------------------------------------------- 这样看来，prep07 中的关于这个选项的就有一些问题了。因为prep07给出的解释就是“the human mind is not a "blank slate" but instead comprises…结构平行”。
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发表于 2012-5-27 11:18:07
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发表于 2012-5-28 13:06:30
