GMAT语法经典百题大串烧 涵盖所有SC高频考点难点（7）
- 2017年07月14日17:07 来源：小站整理
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GMAT语法题，又称句子改错题(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，想要做好语法题难度极高。怎样做好GMAT语法题?下面小编就通过一些经典真题的实例解析，为大家全面讲解GMAT语法题的解题思路和方法技巧。
实例题目：
The intricate structure of the compound insect eye, having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it evolved independently of the vertebrate eye.
(A) having hundreds of miniature eyes called ommatidia, help explain why scientists have assumed that it
(B) having hundreds of miniature eyes that are called ommatidia, helps explain why scientists have assumed that they
(C) with its hundreds of miniature eyes that are called ommatidia, helps explain scientists’ assuming that they
(D) with its hundreds of miniature eyes called ommatidia, help explain scientists’ assuming that it
(E) with its hundreds of miniature eyes called ommatidia, helps explain why scientists have assumed that it
选项分析：
(A)having hundreds of miniature eyes called ommatidia help explain why scientists have assumed that it
【错误】 主谓一致：“help”的主语是“The intricate structure of the compound insect eye”，其核心词为“structure”，因该接单数谓语动词。
(B)having hundreds of miniature eyes that are called ommatidia, helps explain why scientists have assumed that they
【错误】 句子意思：本选项中“they”作为复数代词只能指代“miniature eyes”即“复眼”，是昆虫眼的一个附属结构，而(E)使用“it”指代“insect eye”大意为“昆虫眼和脊椎动物眼独立演化”，句意更加对等，表意更加合理，本选项语义逊于(E)。
(C)with its hundreds of miniature eyes that are called ommatidia, helps explain scientists' assuming that they
【错误】 句子意思：见(B)。
(D)with its hundreds of miniature eyes called ommatidia, help explain scientists' assuming that it
【错误】 主谓一致：见(A)。
(E)with its hundreds of miniature eyes called ommatidia, helps explain why scientists have assumed that it
【正确】 “it”正确地指代了“insect eye”，“helps explain”与其主语“The intricate structure of the compound insect eye”正确地保持了主谓一致。
【大意】 昆虫眼睛的复杂结构，有着上百个被称为“复眼”的结构，帮助解释为什么科学家假定了它是与脊柱动物的眼睛独立进化的。
解题思路：
根据主谓一致，立即排除(A)和(D)，(B)、(C)和(E)选项对比后，(E)代词使用更加合理，因此选择(E)。
