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题库 / OG2019-SC-720
Technically,“quicksand” is the term for sand that is so saturated with water as to acquire a liquid’s character.
that is so saturated with water as to acquire a liquid’s character
that is so saturated with water that it acquires the character of a liquid
that is saturated with water enough to acquire liquid characteristics
saturated enough with water so as to acquire the character of a liquid
saturated with water so much as to acquire a liquid character
题目分析：略。
选项分析：
A选项：首先要明确的是，so...as to...与so...that...表达的意思一样，均为“太…以至于…”，一种因果关系。他们的区别在于，so...as to...用于主语和to后面的动作的发出者一致时，而so...that...中，主语与that之后的主语不需要一致。
那相比之下，A B两个选项间没有成分差异，只剩下 of 和 ‘s 的区别。此时，我们需要考虑，liquid作为一个无生命物体，需要用of。
B选项：正确。
C选项：enough需要置于water前面。因为，沙子是和“足够的水”饱和，所以才获得了液体的属性，而不仅仅是“和水饱和”，所以足以获得液体的属性。
D选项：enough不能和so as to 混着用。
E选项：表达“太…以至于…”中没有so much as to的用法。
OG的官方解释是说用so as to体现不了subject，所以要用so that，可能so as to在GMAC看来就是不优吧。
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