GMAT语法比较结构是语法考试四大类考点之一，它包含丰富的内容，常见标志词有Like, Unlike, More than, Less than, Faster than, different from, in contrast with/to, Compare to, as, as (adj.) as, as much as, as fast as, the same as…今天我们就来讲解几道GMAT语法比较题练习(一)。
例1：
To meet the rapidly rising market demand for fish and seafood, suppliers are growing fish twice as fast as their natural growth rate, cutting their feed allotment by nearly half and raising them on special diets.
(A) their natural growth rate, cutting their feed allotment
(B) their natural growth rate, their feed allotment cut
(C) growing them naturally, cutting their feed allotment
(D) they grow naturally, cutting their feed allotment
(E) they grow naturally, with their feed allotment cut
答案解析：
(A) as fast as的前后是一个动作(are growing)和一个名词(growth rate)进行比较,比较概念不对等
(B)比较概念不对等.后一个分句的allotment cut and raising不对等.
(C) 逻辑意思不正确,原句的意思是供应商养殖鱼类的生长速度和鱼类自然生产速度作比较,该选项中growing them和growing fish构成平行,将原句的意思更改为供应商养殖鱼类的生长速度和供应商自然养殖鱼类的速度做比较,
(D) 正确,正确的表现了原句的逻辑意思,既供应商养殖鱼类的生长速度和鱼类自然生产速度作比较
(E) 后一个分句中and raising them没有平行的对象.
例2：
Organized in 1966 by the Fish and Wildlife Service, the Breeding Bird Survey uses annual roadside counts along established routes for monitoring of population changes of as many as, or of more than 250 bird species, including 180 songbirds.
(A) for monitoring of population changes of as many as, or of
(B) to monitor population changes of as many, or
(C) to monitor changes in the populations of
(D) that monitors population changes of
(E) that monitors changes in populations of as many as, or
答案解析：
(A) 用for doing表示目的不如不定式to do有效.of as many as, or of more than结构复杂笨拙,改为of as many as or more than更好.
(B) 调换changes和population中心词的位置使得of more than 250 bird species错误的修饰了 changes而不是population;as many结构不完整,应改为of as many as or more than
(C) 正确,用to do 结构有效的表达目的,使用有效的比较结构并且more than正确的修饰了 population
(D) 用that限定从句修饰routes失去了目的的意味,且monitors错误的使用了单数形式,因为that指代的是routes; changes和population位置互换,犯了B同样的错误
(E) 用that限定从句修饰routes失去了目的的意味,且monitors错误的使用了单数形式,因为that指代的是routes;
例3：
In contrast to ongoing trade imbalances with China and Japan, the United States trade deficit with Mexico declined by $500 million as a result of record exports to that country.
(A) In contrast to ongoing trade imbalances with China and Japan, the United States trade deficit with Mexico declined by $500 million as a result of record exports to that country.
(B) In contrast to ongoing trade imbalances with China and Japan, the United States sold record exports to Mexico, reducing its trade deficit by $500 million.
(C) When compared with ongoing trade imbalances with China and Japan, the United States sold record exports to Mexico, reducing their trade deficit by $500 million.
(D) Compared with ongoing trade imbalances with China and Japan, the United States sold record exports to Mexico, reducing the trade deficit by $500 million.
(E) Compared to ongoing trade imbalances with China and Japan, the United States record exports to Mexico caused a $500 million decline in the trade deficit with that country.
答案解析：
(A) 正确, in contrast to比较的对象imbalances和trade deficit概念对等
(B) imbalances和United States概念不对等
(C) compared with的比较对象imbalances和United States概念不对等
(D) compared with的比较对象imbalances和United States概念不对等
(E) compared with的比较对象imbalances和United States record exports概念不对等,且后半句结构笨拙复杂.
以上就是关于GMAT语法比较题练习第一部分的内容讲解，关于比较结构的考题形式有很多，后面小编会为大家继续介绍，希望大家能够继续关注GMAT考试备考资讯。
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