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 大家好，我有些OG13的语法问题，贴出来和大家一块讨论一下
（以下问题编号为OG13语法部分的题号，且句子为代入了正确答案的句子）
94：Heating-oil prices are expectedto be higher this year than last because refiners are paying about $5 a barrel more for crude oil than they were last year.
问题：这里我如果将最后的“than they were last year"改成”they did last year". 句子还对吗？更广泛地来看，时态不同的比较级“were paying VS did" 是否依然构成正确平行？
7：The intricate structure of the compound insect eye, with its hundreds of miniature eyes called ommatidia, helps explain why scientists have assumed that it evolved independently of the vertebrate eye.
问题：划线部分和另一个错误选项：having hundreds of miniature eyes that are called ommatidia, helps explain why scientists have assumed that they进行比较的时候， 答案说错误选项的错误之一在于Having这个动词的主语会被理解成整句句子的主语”the intricate structure", 可是intended的主语是“insect eye"; 可是为什么用了with这个结构就能避免主语指代错误呢？即with的主语是”insect eye"(这个是OG的官方说法）
129：Cajuns speak a dialect brought to southern Louisiana by the 4,000 Acadians who migrated there in 1755; their language is basically seventeenth-century French to which English, Spanish, and Italian words have
beemadded.
问题：错误选项A：to which has been added English, Spanish, and Italian words， 如果这里我把has改成have, 那么这个选项是否正确？即我不知道倒装句在这里是否可行，或者说GMAT对倒装句的理解是什么？平时没事的时候可以随便倒装玩玩吗？
134：Recently implemented "shift-work equations" based on studies of the human sleep cycle have reduced sickness, sleeping on the job, and fatigue among shift workers while raising production efficiency in various industries.
问题：就想确认一下这里为什么是“have reduced"不是”has reduced"因为主语是一个strategy.
28: In virtually all types of tissue in every animal species, dioxin induces the production of enzymes that are the organism's attempt to metabolize, or render harmless, the chemical irritant.
问题：这句话我不太理解是什么意思？render harmless的主语是什么？the chemical irritant在句子里做什么成分？能否替我用中文解释一遍这句句子？英文差真捉急。。。
29：Emily Dickinson's letters to Susan Huntington Dickinson, which were written over a period beginning a few years before Susan's marriage to Emily's brother and ending shortly before Emily's death in 1886, outnumber her letters to anyone else.
问题：这里看一个错误选项：Dickinson were written over a period beginning a few years before Susan's marriage to Emily's brother and ending shortly before Emily's death in 1886, outnumbering.答案的解释是， 这句句子intended的重点应该是outnumber, 所以period的部分应该做非限定性定语从句。而错误选项是把重点错放在了period, 将outnumber做伴随状语了。可是错误选项是A正确选项是E，我本来以为选项A应该代表原句的intended focus, 所以我不知道应该怎么领会作者的intended focus.
66：In a plan to stop the erosion of East Coast beaches,the Army Corps of Engineers proposed building parallel to shore a breakwater of rocks that would rise six feet above the waterline and act act as a buffer, absorbing the energy of crashing waves and protecting the beaches.
问题：GMAT出现过很多放在句尾的ing伴随状语不被接受，因为可能会导致主语是整句句子的主语。 为什么这一题不会产生absorbing的主语是the Army Corps of Engineers的概念混淆呢？
真心希望各位牛牛能给点意见，语法做到后面感觉知识点都被搅在一起了， sigh
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发表于 2013-8-8 00:31:49
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