2015-06-30最新更新GMAT语法机经
Q4
语法：真心觉得语法要比GWD的语法难两倍啊!特别纠结，错的地方也不好找，而且非常重视语意，有的题每个句子的结构都不一样(有主从定从非谓if之类的，最后还是要从意思上来判断!)
考点:比较容易，考了both ...and
wrong: both... as well, 还有一种表达是
wrong: both in length and width,错。
RIGHT: in both width and length 正确
相关联系(07prep)
14.
Having finally reached a tentative labor agreement with its company's pilots, it must now be determined by the airline's board of directors how the airline can both increase profits and compete more effectively for customers than they did in the past.
(A) it must now be determined by the airline's board of directors how the airline can both
increase profits and compete more effectively for customers than they did in the past
(B) it must now be determined by the airline's board of directors how the airline can both
increase profits and must compete more effectively than in the past for customers
(C) the airline's board of directors must now determine both how to make the airline increase profits and compete more effectively for customers than they did in the past
(D) the airline's board of directors must now determine how the airline can both increase profits and compete more effectively for customers than it did in the past
(E) the airline's board of directors must now determine how the airline can both increase profits and also how to make it compete more effectively than in the past for customers
句子结构: Having finally reached…, the airline’s board…determine how the airline can…and
compete more…than it did in the past.
考点: 指代一致(Agreement) 逻辑表达(Logical Predication)
1) 分词短语在句首起状语作用,逻辑主语等于句子主语
2) 形式主语it的使用: it作为形式主语,指代主语从句(it is exciting that I ...)或者不定式短语(it is difficult to do...)
3) both…and…结构必须要平行
4) 修饰成分要尽量靠近修饰对象，以避免产生修饰歧义。
答案解析:
(A) 【错误】不符合形式主语的使用规则,how前面要加上that,构成it is… that型主语从句; it没有指代对象且不能作为having finally reached的逻辑主语; they没有指代对象,应该改为it,用来指代the airline.
(B) 【错误】不符合形式主语的使用规则; it没有指代对象，且不能作为having finally reached的逻辑主语;both increase profits and must compete结构不平行; 修饰成分for customers和修饰对象compete more effectively中间插入了than in the past, 句子不通顺, for customers应该紧接compete moreeffectively之后
(C) 【错误】both how to make the airline increase profits and compete结构不平行; they没有指代对象
(D) 【正确】, 注意到了逻辑主语的问题; both increase profits and compete结构平行
(E) 【错误】 both increase profits and also how to make结构不平行; for customers应该紧靠compete more effectively
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