① that/which作为关系代词的区别还在于，that如果前面谓语宾语较短，that可以不紧跟被修饰成分(e.g. agreement); ② not one of.... 是一个singular; ③ B/C的代词them/they 指的one of investors，应该是单数; ④A中的were是虚拟语气。
第二段说researches 拒绝了abc三种解释，然后又提出一种plausible explanation。这种情况，作者想强调的很明显就是最后一个explanation，所以A：present several explanations错误（只有一个plausible explanation）。
文中真实目的是such thorough carcass consumption implies 很好地对应了选项的Implication。【转】错选A，因为觉得整篇文章都在说这个finding的可能的解释，文章提出了唯有一个可能的解释，所以several错误。文章最后部分给出结论： Such thorough carcass consumption implies to the researchers either that········这表明了文章的目的不在于finding的explanation，而在于研究的含义。→这常常是主旨题的一个技巧，文章中最高频率提及的词不一定就是文章的主旨，这篇文章我没找到明确的转折点，但它有明确的结论：由转折点或者结论判断文章主旨。
错选(C) even as所表达的含义与原句不同，even as是“正当，恰好在…时候”，有at the same time的意思，而原句表达的是让步转折含义;将原句定语从句内容fairy tales that…改变为句子谓语’s fairy tales have been…，改变原句强调重心。(E) 正确，although引导让步状语从句，其主语是Han Christian Andersen，谓语是wrote，宾语是由that引导的从语从句所修饰的名词fairy tales;整个句子的主语是his plays, novels, poems, and travel books，系动词是remain。【AE】AE这就是限定性定语从句与非限定性定语从句的区别，这就话的主要意思就是啥出名啥不出名，如果用了非限定性，那就说这个定语从句可以去掉不影响句子，但是不可以啊，这就把句子的重点给去掉了
【转载】RON： if "with ____" is modifying xxxxx, then it should be describing some aspect, or sub-component, of xxxxx.【with表示某物的一部分】 here, "each" = each style of cooking. we can't use "with each style of cooking..." to describe "styles of cooking".【此处不能说styles的一部分，所以不能用with】。注意，each在此题是代词，找到代表的内容
定位在“Some individual firms in developing countries have raised their productivity but kept their wages (which are influenced by average productivity in the country's economy) low. ”。员工的工资是受国家经济的平均产量的影响的。并不是只受到自己的产量影响。所以选D，错选C原文是说有影响，选项说没影响
第一段说了陆栖蛇有adaptation，第二段用一个例子说了和水栖蛇相比，陆栖蛇的adaptation是个什么情况，第三段才正式介绍这个adaptation是什么.
正确B选项：The problem confronting terrestrial snakes is best illustrated by what happens to sea snakes when removed from their supportive medium.
C选项：文中没提到：effectiveness of an organism's adaptation; only 极端词；【尽量避免极端词！！】
错选D选项：文中只提到物种适应不同环境，没提适应相同的环境；
MGMAT says that as can also appear with a phrase, rather than a full clause when as clause acts as a modifier.
However, there is no comma in C and thus “as in most other developed countries” has to be read not as a modifier but as a part of comparison as trying to convey. But for proper comparison we need a verb and E gives us that lacking “they did”, avoiding the mistake made by C. Therefore, C is incorrect not for ambiguity but for wrong structure.
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① that/which作为关系代词的区别还在于，that如果前面谓语宾语较短，that可以不紧跟被修饰成分(e.g. agreement); ② not one of.... 是一个singular; ③ B/C的代词them/they 指的one of investors，应该是单数; ④A中的were是虚拟语气。