2012新GRE閱讀技巧 復雜修飾、插入語、省略

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The correlation of carbon dioxide with temperature, of course, does not establish whether changes in atmospheric composition caused the warming and cooling trends or were caused by their.
    當然二氧化碳與大氣溫度之間的相互聯(lián)系并不能確定到底是大氣成分的變化引起了氣候的變暖和變冷的趨勢,還是大氣成分的變化是由氣候的冷暖變化造成的。
    難句類型:復雜修飾、插入語、省略
    解釋:本句主句中的謂語establish在GRE、GMAT和LSAT的閱讀文章中除了可以作建立的意思以外,還有一個更常用的意思,就是確定、確證的意思,等于determine, prove或confirm,另外,本句的省略很容易使讀者將指代關(guān)系搞混:在最后的or were caused by their當中,存在兩處省略:or之后省略了與whether一句中相同的主語changes (in atmospheric composition);最后的their之后又省略了與whether從句中的主語一樣的changes。這里不管將their之后被省略的內(nèi)容看成是warming and cooling trends還是看成composition都是錯誤理解。
    意群訓練:The correlation of carbon dioxide with temperature, of course, does not establish whether changes in atmospheric composition caused the warming and cooling trends or were caused by their.