1、通過比較和對比方式來論證，這樣兩個事物、行為或者觀點的利弊就非常明顯。

Those who believe in the measure say that students benefit a lot from traveling or working for a year before their formal university education. First, they can more broadly acquainted themselves with the society, deepen their understanding of the outside world, and thus better coordinate their objectives of learning with the needs of the society. In contrast, by immediate entrance to university they can not steer the direction of their study well and may display a poor combination of the theory with practice. Second, study at high school is really exhausting, especially when to win college admission. So it is necessary to grant these children a relatively long period of relaxation or buffer, say, traveling or working for a year, to loosen the chords of their brain, so that when they go back to school later again, they can become completely refreshed and rejuvenated.

這篇雅思大作文寫作的內容是關于上大學前是否應該用一年的時間來旅游或者工作進行論證。此段的主題是學生在進入大學學習之前花一年時間進行旅游或工作的話，會讓他們受益匪淺。對比點是：進入大學之前一年進行旅游或工作有利于讓學生廣泛了解社會，加深他們對外界的理解，因此能讓他們更好地協(xié)調好學習目標和社會的需要。應用這樣的雅思大作文寫作方法，相對比之下，直接進入大學學習的話，他們不能夠把握學習的方向，而且有可能會產(chǎn)生理論和實踐相脫節(jié)。通過此番對比，旅游或工作一年對于即將步入大學的學生們的好處是顯而易見，段落的主題句得到有力的論證。

2、通過假設進行正反論述。

Then, since the transportation system is the lifeline of a country’s economic activities, its paralysis would lead to the disintegration of the economy, either industry of farming or daylife. Suppose all the means of transportation were halted for lack of oil, factories with insufficient raw materials would have to close, workers would be out of work, and ripe farm crops would have to stay in the fields at the mercy of rain and storms. People would try to store food and the price of all commodities would go up. If we take those power stations run by oil into account, situations would become even worse. In this sense, oil decides the fate of the whole economy and that of the government.

通過假設得出了一系列的可怕的后果，最后再得出結論，這樣的結論是發(fā)人深省，當然也是最能引起人們廣泛重視的，這樣的雅思大作文寫作方法是最容易給人留下深刻印象的。

以上就是關于對比這種雅思大作文寫作方法的介紹，大家可以通過上面的兩個例子看到，這兩個作用都是在雅思大作文寫作中非常有用的，都能起到非常關鍵的點題作用。所以大家在自己的雅思大作文寫作的備考中可以進行適當?shù)膽谩?/P>

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