2015年5月14日完成了最新一次GMAT换库（点击查看GMAT换库时间整理）。为此，新东方网GMAT频道第一时间为各位考生整理了2015年5月GMAT机经（6月GMAT机经）(语法)4，供考生们参考使用，希望对各位备考能有帮助。

　　4.语法有一题考点是比较级的使用，应该是必须有比较对象的。比如He is taller than Tom.对;He is taller就不行。

　　考点：

　　1)比较级的使用应该有比较对象

　　补充说明：

　　比较的考点说起来可就多了，如果赶时间的可以直接忽略我了：

　　1) not so much that… as that… 与其说…不如说…，形式平行

　　错误用法：not so much their…as much as that; not so as…as much as; not so much… so much as，且前后不平行

　　(来自旧prep)

　　According to one expert, the cause of genetic irregularities in many breeds of dog is not so much that dogs are being bred for looks or to meet other narrow criteria as that the breeds have relatively few founding members.

　　(A) the cause of genetic irregularities in many breeds of dog is not so much that dogs are being bred for looks or to meet other narrow criteria

　　(B) the cause of genetic irregularities in many breeds of dog is not as much their being bred for looks or meeting other narrow criteria as much

　　(C) it is not so much the cause of genetic irregularities in many breeds of dog that they are being bred for looks or meeting other narrow criteria as much

　　(D) it is not so much that the cause of genetic irregularities in many breeds of dog is their being bred for looks or meeting other narrow criteria so much

　　(E) it is not so much the cause of genetic irregularities in many breeds of dog to be bred for looks or to meet other narrow criteria

　　句子结构：According to…, the cause of… is not so much that… as that…比较结构。

　　考点：比较、平行对称

　　1) 比较的习惯用法，not so much that… as that…与其说…不如说…，形式平行，常见的错误用法有：not so much their…as much as that; not so as…as much as; not so much… so much as，且前后不平行。

　　2) 平行对称，GMAT语法中常见的平行结构混淆选项是形式上平行，但逻辑上修饰对象是错误的，要从逻辑意思出发，看平行对象是否合理。

　　(A)正确，for looks or to meet平行修饰谓语bred，是功能平行而不是形式平行，表示be bred的目的。

　　(B) not so much their being…as much as that…不平行。

　　(C) it表语从句用法错误，not so much the cause of…as much as that…不平行;are being bred for looks or meeting…中的meeting有与being并列的歧义，应该用to meet表示目的。

　　(D) it表语从句用法错误，第二个is多余，not so much… so much as搭配错误;应该用to meet。

　　(E) it表语从句用法错误;to be bred和to meet逻辑上不平行;not so much that…搭配不完

　　2)A as… as… or adj.er than B; A at least as adj.er as B

　　错误用法：A as… or adj.er than B(少as); as…as compared to; as… than compared to; as… than

　　(来自旧prep)

　　The Environmental Protection Agency frequently puts mandatory controls on toxic substances that present as little risk as one in a million chances to cause cancer.

　　(A) as little risk as one in a million chances to cause

　　(B) as little risk as one chance in a million of causing

　　(C) as little risk as one chance in a million that it will cause

　　(D) a risk as little as one chance in a million for causing

　　(E) a risk as little as one chance in a million for it to cause

　　句子结构：The EPA puts controls on toxic substances that…

　　That引导定语从句修饰句子宾语substances。

　　考点：习惯用语、指代一致

　　习惯用语-risk of doing sth, risk of sth(risk分别为名词), risk doing(risk为动词)。

　　指代一致，it只能指代句子中出现过的单数名词，注意未划线部分的提示。

　　(A) one指代risk，risk in a million chances表达错误;risk of doing是习惯用语。

　　(B) 正确，one chance in a million用以修饰little，risk of causing cancer是正确的表达方式。

　　(C) that it重复，前面已经有that present，it指代不清楚，无法指代复数名词toxic substances。

　　(D) risk后面应该跟of doing，而不是for doing。

　　(E) it指代不清楚;risk后面应该跟of doing，而不是to do。

　　3)less/more adj. … than… ，比较对象要对等，补出助动词以避免产生歧义，介词不可省略

　　(题目来自旧prep)

　　Shipwrecks are more likely to be found undisturbed at great depths than in shallow coastal waters, which exposes archaeological remains to turbulence and makes them accessible to anyone in scuba gear, whether they be archaeologist, treasure hunter, or sport diver.

　　(A) than in shallow coastal waters, which exposes archaeological remains to turbulence and makes them accessible to anyone in scuba gear, whether they be

　　(B) than in shallow coastal waters, where archaeological remains are exposed to turbulence and are accessible to anyone in scuba gear, whether

　　(C) as opposed to shallow waters along the coast, where archaeological remains are exposed to turbulence and are accessible to anyone in scuba gear, including

　　(D) instead of in shallow waters along the coast, which exposes archaeological remains to turbulence and makes them accessible to anyone in scuba gear, including an

　　(E) instead of shallow coastal waters, because it exposes archaeological remains to turbulence and makes them accessible to anyone in scuba gear, whether

　　考点: 比较(Comparison) 逻辑表达(Logical Predication) 习惯用语(Idiom)

　　1) 习惯用语 more…than…

　　2) 习惯用语 whether A, B, or C

　　(A) which指代waters导致逻辑意思错误,因为并不是水域把古迹暴露在外,而是古迹暴露在这个水域,应该用where指代in shallow coastal waters; exposes和makes应该用复数形式which指代的是waters;whether they be表达复杂,they没有指代对象，they be应该去掉.

　　(B) 正确, more…than符合习惯用法; where使用恰当; 用whether A, B, or C修饰anyone,修饰得当

　　(C) more…as opposed to语意重复，不应同时出现在比较句中; including使用不恰当,include表示为群体中包含某些项,而这里anyone是个体,不能使用including.若将anyone改为everyone会更好

　　(D) more…instead of不符合习惯用法;使用which导致逻辑意思错误;including使用不恰当.

　　(E) more…instead of不符合习惯用法，缺少代词in容易产生歧义;it没有指代

　　句子结构: Shipwrecks are more likely…than in…, where archaeological remains are exposed to…and are accessible to…, whether A, B, or C.

　　4)like/unlike，前后比较对象对等(like/unlike开头的强调对比的句子，主语要以进行比较的对等的名词开头)

　　错误用法：比较对象不对等;as+noun;like+句子

　　5)compare/contrast的用法，(as) compared to/with,省略了主语和系动词，即A be compared with/to B，与in contrast to都是惯用法，前后比较对象一定要对等

　　(来自旧prep)

　　In the United States, while the number of foreign-born residents and their children is higher than ever, the percentage of the population they represent is not; in 1910 this group made up 35 percent of the population when compared to 20 percent in 2000.

　　(A) population when compared to 20 percent in 2000

　　(B) population as compared to 2000, when it was 20 percent

　　(C) population, comparing it with 20 percent in 2000

　　(D) population, unlike 2000, with 20 percent

　　(E) population, compared with 20 percent in 2000

　　A. when compared的用法不对，compare动作的发出者是group，即主句的主语，此处不符合逻辑，应该是35% was compared to…状语从句中(如果其主语与主句主语相同)省略是个常见现象，从句中的一些词(如主语和系动词)常可省略。

　　B. As compared to后面接的是年份：2000――将人口的35%与年份2000年相比，前后比较对象不对等;it没有指代对象

　　C. Comparing为主动形式，用法错误;it没有指代对象

　　D. Unlike 2000的逻辑主语为句子主语this group，比较对象不对等。

　　E. 正确。

　　句子结构：…; … this group made up…, compared with…

　　本句使用分号(;)隔开前后两个分句，两个分句相互独立，处于同一层次，相互之间意思关联，但是没有从属关系。

　　比较(Comparison), 有效用词(Diction)

　　1) compare with/to比较结构，要求比较对象对等。

　　2) compare一词表示比较时，应使用被动：A is compared with/to B。主动的compare表达的意思为：可与某事物比较、与某事物一样好、美等。

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