所谓“夹心”，既可以作为定语修饰主语，又可以作为状语修饰后面的谓语。夹心修饰也是GMAT语考试中一个难点，今天我们就来说一下GMAT语法考试“夹心修饰”的内容。
夹心修饰的理解：
所以歧义修饰，是因为引发了不同的理解，而并不是语法上是否会有不同的修饰，所谓夹心修饰也是这个原则。很多人对“夹心修饰”都有过一个误解，认为S, v-ing, V. + O.结构中，v-ing既可以往前修饰S，也可以往后修饰V就是夹心，而实际上夹心并不是“可以往前修饰S，也可以往后修饰V” 。在S, v-ing, V. + O.这样的表达中，v-ing约定俗成只伴随修饰动词。
真题1：
Data gathered by weather satellites has been analyzed by scientists, reporting that the Earth’s northern latitudes have become about ten percent greener since 1980, due to more vigorous plant growth associated with warmer temperatures and higher levels of atmospheric carbon dioxide.
A. Data gathered by weather satellites has been analyzed by scientists, reporting that the Earth’s northern latitudes have
B. Data gathered by weather satellites has been analyzed by scientists, and they report the Earth’s northern latitudes as having
C. After analyzing data gathered by weather satellites, scientists report that the Earth’s northern latitudes have
D. After analysis of data, gathered by weather satellites, scientists report the Earth’s northern latitudes as having
E. After data gathered by weather satellites was analyzed by scientists, who report that the Earth’s northern latitudes have
翻译：
对气象卫星收集的数据进行了分析，科学家报告，自1980年以来，地球的北半球已经更绿了百分之十，是因为更迅猛的植物生长，气温升高和大气中二氧化碳含量升到更高的层次。
句式：
After analyzing data gathered by ...scientists report that...due to....
思路：
读原句，句子结构不完整，扫视选项，有分词在句首，考虑逻辑主语。
选项：
A. 在题目中如果能用主动语态的情况尽量不用被动;后面分词的逻辑主语不对;
B. 在题目中如果能用主动语态的情况尽量不用被动;as 后不能跟动名词having become;后面应该直接加名词;都表示作为成为的意思;
C. 正确;scientists做analyzing data的主语;
D. gathered by weather satellites夹心修饰;as 后不能跟动名词having become;后面应该直接加名词;都表示作为成为的意思;
E. 句子结构不完整，主句没有谓语动词。
真题2：
On account of a law passed in 1993, making it a crime punishable by imprisonment that a United States citizen hold gold in the form of bullion or coins, immigrants found that on arrival in the United States they had to surrender all of the gold they had brought with them.
A. On account of a law passed in 1993, making it a crime punishable by imprisonment that a United States citizen hold
B. With a law passed in 1933 that makes it a crime punishable by imprisonment that a United States citizen hold
C. A law passed in 1933 that made it a crime punishable by imprisonment for a United States citizen holding
D. Because of a law passed in 1933 making it a crime punishable by imprisonment for a United States citizen to hold
E. Due to a law being passed in 1933 that makes it a crime punishable by imprisonment for a United States citizen to hold
翻译：
因为1933年的法令使美国公民携带黄金犯罪处以坐牢处罚，移民们发现他们在到达美国的时候就必须交出身上的全部黄金了。
句式：
Because of …, immigrants found that …
思路：
主谓一致的动词形式不同;阐明法规的内容用ing形式;分词短语放在句中，就常出现逻辑主语混乱，因为可能从语法上说同时可以向前或者向后修饰。
选项：
A. hold与a United States citizen主谓不一致;making放在句中夹心修饰;
B. hold与a United States citizen主谓不一致;阐明法律法规的内容习惯使用doing;with短语做伴随状语，逻辑主语为immigrants，表达的是law是为immigrants拥有的，逻辑错误;
C. A law passed in 1993 that…有作为immigrants同位语的歧义;法律法规习惯使用doing;
D. 正确;Making紧跟修饰词law，作为法律法规内容解释;
E. a law being passed"中的being表达逻辑意思不正确,being更多表达状态，而这里的law早已在1933年就passed了。
以上就是关于GMAT语法考试“夹心修饰”的内容介绍，希望考生通过以上内容，不断夯实自己的知识点，熟练做题技巧，提升解题能力以及分析能力，争取都能取得理想成绩。
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