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　　(四)表递进

　　递进further, furthermore,besides,lastly,equally important，what's more, moreover,

　　in addition, additionally, apart from

　　修辞目的题中如果考到了这些词后面内容，问其作用，那么我们就可以顺着这些词去摸前面的瓜，很明显，这些词后面的内容，一定和前面是对应的，而且就是对前面的内容的进一步说明，或是举另一个实例论证。

　　E.g. The first wells were drilled into the Ogallala during the drought years of the early 1930’s. The ensuing rapid expansion of irrigation agriculture, especially from the 1950’s onward, transformed the economy of the region. More than 100,000 wells now tap the Ogallala. Modern irrigation devices, each capable of spraying 4.5 million liters of water a day, have produced a landscape dominated by geometric patterns of circular green islands of crops. Ogallala water has enabled the High Plains region to supply significant amounts of the cotton, sorghum, wheat, and corn grown in the United States. In addition, 40 percent of American grain-fed beef cattle are fattened here.

　　why does the author provide the information that 40 percent of American cattle are fattened in the High Plains?

　　To suggest that crop cultivation is not the most important part of the economy of the High Plains

　　To indicate that not all economic activity in the High Plains is dependent on irrigation

　　To provide another example of how water from the Ogallala has transformed the economy of the High Plains

　　To contrast cattle-fattening practices in the High Plains with those used in other region of the United States

　　这道题目中in addition后面的内容很显然是对之前内容的进一步举例说明。

　　(五)表举例

　　举例for the same reason, evidently, indeed, in fact, in any case, that is

　　(六)表解释

　　解释in other words, namely

　　如果我们碰到了一些专有名词，完全可以利用这些词后面的解释帮我们去理解该专有名词。

　　(七)表类比

　　类比like, similar to, similarly, the same as, as...as, just as(like),likewise, equally, in the same way

　　类比结构，同级比较，多见于推断题和句子简化题，如TPO7-2的句子简化题，就是like和just as的同义替换;TPO10-1中用just as类比希腊瓷器和中国瓷器。

　　综上为大家准备的关系词，不仅能帮我们把握文章脉络结构，也能帮我们定位文章新信息，还能帮我们做同义改写与替换，希望大家将其收入囊中，灵活运用，积极备考，完胜托福。