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不是N人，供参考！
1. more than thirty years ago Dr.Barbara McClintock, the Nobel prize winner, reported that genes can “jump,” as pearls moving mysteriously from necklace to another. AS 后应该加句子, 原文AS后加的是个名词(后面的动名词是修饰这个pearls). Like是介词,可直接加名词. 本句就是改成 as pearls move mysteriously from necklace to another 也不对,因为这样表示对比,而原题的逻辑意思是表示象….一样.
2．In December of 1987,an automobile manufacturer pleaded no contest to criminal charge of odometer tampering and agreed to pay more than $16 million in civil damages for cars that were test-driven with their odometers disconnected. a. cars that were test-driven with their odometers disconnected. cars that were test-driven这个定语从句应简化 B. cars that it had test-driven with their disconnected Odometers cars that were test-driven这个定语从句应简化, 且it 多余,也指代错. c. its cars having been test-driven with odometers disconnected. having been test-driven是过去分词的完成时态,在GMAT中不能作定语(本选项中作定语修饰cars) ,因为如作定语,时态会和这个所修饰的名词所在句子中的时态产生歧义(容易不一致). d. having test-driven cars with their odometers disconnected 最简洁,有效,正确. e. having cars that were test-driven with disconnected odometers cars that were test-driven这个定语从句应简化
3．Although Napoleon’s Army entered Russia with far more supplies than they had in their previous campaigns,it had provisions for only 24 days. The ARMY 强调整体概念, 是单数名词. 关于省略问题请参考: OG10-132, 那个选项中也省略了as many as (people) are enrolled in, 因为有前面有共同的比较对象, 完全可以省略,也必须省略,且不会有歧义. 4．According to interstudy, a nonprofit organization that studies health maintenance organizations(HMO’S), they estimated that,in comparison to last year, when only 36 percent of the nation’s 607 HMO’S was profitable,this year 73 percent will be. a. they estimated that,in comparison to last year, when only 36 percent of the nation’s 607 HMO’S was profitable, this year 73 percent will be. They 指代错; 36 percent of the nation’s 607 HMO’S was profitable这句中的was 错,因为在:分数/百分数+of+ N 结构中,谓语动词的数由of后面的名词的单复数决定,本句为HMO’s 为复数,故was 错. 这个选项中还存在一个更大的错误,就是句子结构错. 加到原文中,句子结构变成了: 介短, 名词, 句子1,句子2.,GMAT中称之为run-on 结构, 绝对错!!!! b. compared to only 36 percent of the nation’s 607 HMO’S being profitable last year ,they estimate 73 percent would be this year 本选项中 compared to ….存在修饰歧义, 可作定语向前就近修饰organizations, 也向再向前修饰a nonprofit organization,更可向后修饰那个 they, 当然they 指代也有歧义.这是个GMAT常考的多向修饰,或夹心修饰的错误。 c. only 36 percent of the nation’s 607 HMO’S were profitable last year;it estimates that this year 73 percent will be. 正确, 但个人认为:用percent of nation’s 607 HMO’S存在几个问题:一是无生命的东东用了’S结构, 有不合适的地方;二是这个介短够复杂; 但ETS的答案是比出来的,这个选项中犯的不是绝对错误.所以C为最优答案! d. it estimates 73 percent of the nation’s 607 HMO’S would be profitable this year;last year that was only 36 percent it estimates 后缺少that; would be 错; 句子结构为run-on.; last year that,这个that 指代有歧义. e. only 36 percent of the nation’s 607 HMO’S last year were profitable, whereas they estimate it this year to be 73 percent 这句中,last year 的修饰位置变了,变成修饰HMO’S, 改变了原句的修饰位置,犯了典型的修饰重心改变的错误,这是在GMAT中绝不容许的(除非原文修饰的逻辑含义本身就是错的); whereas 后面句子错误就太多了! 另，第4题中有个极强烈的修饰词ONLY, 也可根据这个修饰语位置的改变，快速判断正确答案，但实践中感觉只用修饰语修饰对象来进行错误答案的排除，很多时候不准确，还是要结合句子结构和逻辑含义来进行综合判断为宜！
对于你的问题: 1。这个句子的主语是interstudy吗？ 句子有从句，有主句；正确答案为用；连接的两个句子。主语不是interstudy。
2．In comparison to 是不是应该改为in comparison with 个人认为上面这个的表达法应为： in contrast to A, B do 结构；这里in contrast with( 注意不是comparison), 楼主说In comparison to，可否找个例子来看看，应该是in contrast to的表达好些吧。 3.compare to 如果这样用：compared to…..,是不是也可以表示比较？ Compared to =compared with 本身就是表比较的标准用法，表比较没有问题，但一般放句首，因为放中间或句尾可能有歧义，存在就近修饰和再向前修饰的问题，即多向修饰的问题。同样的问题如like/unlike 一般放句首；如放句中或句尾，就存在就近修饰名词作定语的歧义，同时和主句主语表比较的歧义，放句中或句尾一般不正确。而similar to 放句首表比较就绝对错，因为它的惯用法为 X1 similar to X2. 4．这种题算不算是难题哈？ 个人认为前三个题，应该属600左右或以下的题目吧，应该低于机考难度的。第4个题，可能也不超过650分的难度吧，个人不确定的说。供讨论！ 不是打击楼主的积极性吧，感觉这3句不难！如果觉得难，可能是因为见得少或做得少，上面3题的错误，是GMAT最常考的错误。 以上如有错误，请指正！
[此贴子已经被作者于2007-2-26 22:10:39编辑过] | 
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发表于 2007-2-25 14:01:00
楼主
