SAT考試的一個主要組成部分就是SAT寫作，而寫作也常常是一件令人頭疼的事情，尤其在文章中需要舉例說明問題的時候，很多學生往往很苦惱，從今天開始我們要陸續給大家介紹一些SAT寫作中常用的'例證素材，有了這些素材寫作就不再那麼難了。國外有很多為科學、文化、人類的發展做出突出貢獻的名人，把他們的事蹟作為寫作素材不失為一種很好的選擇，首先來看名人生平。
Bill Gates
When Bill Gates made his decision to drop out from Harvard, he did not care too much of the result. Gates entered Harvard in 1973, and dropped out two years later when he and Allen started the engine of Microsoft. Many people did not understand why Gates gave up such a good opportunity to study in the worlds No.1 University. However, with size comes power, Microsoft dominates the PC market with its operating systems, such as MS-DOS and Windows. Now, Microsoft becomes the biggest software company in the world and Bill Gates becomes the richest man in the world.
Thomas Edison
We can learn from the experience of the great inventor Thomas Alva Edison that sometimes a series of apparent failures is really a precursor to success. The voluminous personal papers of Edison reveal that his inventions typically did not spring to life in a flash of inspiration but evolved slowly from previous works.