Students in the metropolitan school district lack math skills to such a large degree as to make it difficult to absorb them into a city economy becoming ever more dependent on information-based industries.
(A)lack math skills to such a large degree as to make it difficult to absorb them into a city economy becoming
(B)lack math skills to a large enough degree that they will be difficult to absorb into a city's economy that becomes
(C)lack of math skills is so large as to be difficult to absorb them into a city's economy that becomes （D）are lacking so much in math skills as to bedifficult to absorb into a city's economybecoming （E）are so lacking in math skills that it will be difficultto absorb them into a city economy becoming 答案选E，但是D的so..as to 为什么不对呢？
D uses the “-ing” forms, but so much... as to be difficult to absorb is an awkward and unidiomatic verbal modifier. 这是og的解释，so as to 一般用于单一主谓结构，而本句主语为students，但so as to be difficult to absorb 说的是maths skills ，因此awkward. 此处so that表达更为清晰。
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发表于 2010-5-28 11:23:48
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