【改错精选120练】GMAT官方讲解SC难点实例分析（一百零六练）

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GMAT句子改错题(sentence

correction)，是整个GMAT考试中对考生英语语法能力考查要求最高的题型，也往往是中国学生最为头疼的一类题目。没有扎实的语法基础和一定的逻辑分析能力，想要做好句子改错题难度极高。如何提升GMAT句子改错题的解题能力?下面小编就为大家整理了一些经典例题，结合实例分析为大家讲解GMAT句子改错题的解题思路和方法技巧。

实例题目：

Originally developed for detecting air pollutants, a technique called

proton-induced X-ray emission, which can quickly analyze the chemical elements

in almost any substance without destroying it, is finding uses in medicine,

archaeology, and criminology.

(A) Originally developed for detecting air pollutants, a technique called

proton-induced X-ray emission, which can quickly analyze the chemical elements

in almost any substance without destroying it,

(B) Originally developed for detecting air pollutants, having the ability to

analyze the chemical elements in almost any substance without destroying it, a

technique called proton-induced X-ray emission

(C) A technique originally developed for detecting air pollutants, called

proton-induced X-ray emission, which can quickly analyze the chemical elements

in almost any substance without destroying it,

(D) A technique originally developed for detecting air pollutants, called

proton-induced X-ray emission, which has the ability to analyze the chemical

elements in almost any substance quickly and without destroying it,

(E) A technique that was originally developed for detecting air pollutants

and has the ability to analyze the chemical elements in almost any substance

quickly and without destroying the substance, called proton-induced X-ray

emission,

选项分析：

(A)Originally developed for detecting air pollutants, a technique called

proton-induced X-ray emission, which can quickly analyze the chemical elements

in almost any substance without destroying it,

【正确】 “Originally developed for detecting air pollutants”和“called

proton-induced X-ray emission”正确地作定语就近修饰了“a technique”，“which can quickly

analyze the chemical elements in almost any substance without destroying

it”正确地就近修饰了“proton-induced X-ray emission”。需要说明的是， “proton-induced X-ray

emission”

含义并不仅仅是一种普通的“emission(放射)”，而是一种“technique(技术)”，因此可以被一个用来形容技术的定语从句修饰。

【大意】 原本开发用作探测污染物，一项称为proton-induced X-ray

emission的技术能够不摧毁物质就分析其中的化学元素，正在制药、考古和刑侦中得到应用。

(B)Originally developed for detecting air pollutants, having the ability to

analyze the chemical elements in almost any substance without destroying it, a

technique called proton-induced X-ray emission

【错误】 修饰成分：“Originally developed for detecting air pollutants”是“a

technique”的定语，两者之间插入了伴随状语“having the ability to analyze the chemical elements in

almost any substance without destroying

it”，构成了不必要的跳跃修饰，在GMAT考察的标准书面英语中，定语要尽量避免跳跃修饰。因此本选项的修饰关系逊于(A)中

“ Originally developed for detecting air pollutants”就近修饰“a technique”。

(C)A technique originally developed for detecting air pollutants, called

proton-induced X-ray emission, which can quickly analyze the chemical elements

in almost any substance without destroying it,

【错误】 修饰成分：与(B)中“修饰成分”类似，“called proton-induced X-ray emission”跳过“originally

developed for detecting air pollutants”修饰名词“A technique”构成跳跃修饰。

(D)A technique originally developed for detecting air pollutants, called

proton-induced X-ray emission, which has the ability to analyze the chemical

elements in almost any substance quickly and without destroying it,

【错误】 修饰成分：见(B)。

(E)A technique that was originally developed for detecting air pollutants and

has the ability to analyze the chemical elements in almost any substance quickly

and without destroying the substance, called proton-induced X-ray emission,

【错误】 修饰成分：类似地，见(B)。

解题思路：

定语(即名词修饰语)的使用应尽量避免跳跃修饰，(A)没有其他语法错误，且避免了跳跃修饰，因此修饰关系比其他选项更加明确。因此选择(A)。