平行结构就是要求句子当中，可比较的句子成分(Comparable sentence parts)必须在结构上和逻辑上相似。常见标志词有 rather than/ not...but rather…/ as well as/ not only…but also/ from…to, either…or, neither…nor/between…and/ both...and/ not…but/ Be likely to do A, and be unable to do B/宾语从句并列,连词that不能省略:verb + that..., that... and that...…今天我们就来讲解几道prep-07-1部分的GMAT语法平行并列练习题(一)。
例：
The airline company, following through on recent warnings that it might start reducing service, announced that it was eliminating jet service to nine cities, closing some unneeded operations,and it grounded twenty-two planes.
(A) closing some unneeded operations, and it grounded
(B) closing some unneeded operations, and grounding
(C) was closing some unneeded operations, while it grounded
(D) it closed some unneeded operations and grounded
(E) it was closing some unneeded operations, and grounding
答案解析：
(A) …was eliminating, (was) closing…, and it grounded结构不平行
(B) 正确, was eliminating, (was) closing… and (was) grounding结构平行
(C) was多余,while it结构破坏了平行
(D) 逗号连接announced that it was…和it closed…两个句子,错误
(E) 并列句子之间缺少连词。
例2:
Obtaining an investment-grade rating will keep the county's future borrowing costs low, protect its already-tattered image, and increase its ability to buy bond insurance.
(A) Obtaining an investment-grade rating will keep the county's future borrowing costs low, protect
(B) To obtain an investment-grade rating will keep the county's future borrowing costs low, and protect
(C) Having obtained an investment-grade rating will, in keeping the county's future borrowing costs low, protect
(D) To obtain an investment-grade rating would keep the county's future borrowing costs low,protecting
(E) Obtaining an investment-grade rating, keeping the county's borrowing costs low, would be protecting
答案解析：
(A) 正确,动名词结构(Obtaining…)作为主语并且使用了正确的并列结构表示方法
(B) 违反了并列结构的表示方法,and protect中的and多余
(C) having多余，Having obtained不能作为名词结构,因此不能用该结构作主语;第二个分句in keeping…变成了附属结构,改变了原句的意思
(D) 违反了平行结构的表达方式,protecting应为protect
(E) 结构混乱，语法上obtaining…与keeping…作并列主语，中间缺少连词。;would be protecting和and increase不平行。
例：
Based on records from ancient Athens, each year young Athenian women collaborated to weave a new woolen robe that they used to dress a statue of the goddess Athena and that this robe depicted scenes of a battle between Zeus, Athena's father, and giants.
(A) Based on records from ancient Athens, each year young Athenian women collaborated to weave a new woolen robe that they used to dress
(B) Based on records from ancient Athens, each year young Athenian women had collaborated to weave a new woolen robe with which to dress
(C) According to records from ancient Athens, each year young Athenian women collaborated to weave a new woolen robe that they used to dress
(D) Records from ancient Athens indicate that each year young Athenian women collaborated to weave a new woolen robe with which they dressed
(E) Records from ancient Athens indicate each year young Athenian women had collaborated to weave a new woolen robe for dressing
答案解析：
(A) young Athenian women作为Based on…的逻辑主语,不符合逻辑; 未划线部分的and that从语法上跟that they used…平行,共同修饰a new woolen robe, 不符合逻辑.
(B) 逻辑主语错误;未划线部分的and that没有并行的对象; 关系代词which后应该接句子,
(C) young Athenian women作为According to…的逻辑主语,不符合逻辑;未划线部分的and that从语法上跟that they used…平行,共同修饰a new woolen robe, 不符合逻辑
(D) 正确,句首没有使用分词短语,有效的避免的逻辑主语问题;indicate that…and that构成了宾语从句的并行结构
(E) 未划线部分的and that没有平行的对象;indicate that的that不能省略;for doing表示目的不及to do有效.
》》点击了解GMAT语法平行结构解读
以上就是关于GMAT语法平行并列练习题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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