引言為你的文章定下了基調。它應該抓住讀者的興趣，并告訴他們應該期待什么。引言一般占全文的10-20%。美國南加州大學Essay寫作中的Introduction怎么寫？
1. 吸引讀者
引言的第一句話應該引起讀者的興趣和好奇心。這句話有時被稱為 "鉤子"。它可能是一個引人入勝的問題，一個令人驚訝的事實，或一個強調主題相關性的大膽聲明。
比方說，我們要寫一篇關于盲文（視力障礙者使用的凸點讀寫系統）發展的文章。我們的鉤子可以做出強有力的聲明，即關于這個話題。
The invention of Braille was a major turning point in the history of disability.
2. 提供你的主題的背景
接下來，重要的是提供背景，幫助讀者理解你的論點。這可能涉及到提供背景信息，概述關于該主題的重要學術工作或辯論，以及解釋困難的術語。不要在引言中提供太多細節，你可以在文章的正文中詳細說明。
3. 提出論文聲明
接下來，你應該擬定你的論文陳述--你要提出的中心論點。論文陳述提供了重點，并表明你對該主題的立場。它通常是一到兩句話的長度。我們關于盲文的論文聲明可以是這樣的。
As the first writing system designed for blind people’s needs, Braille was a groundbreaking new accessibility tool. It not only provided practical benefits, but also helped change the cultural status of blindness.
4. 繪制結構圖
在較長的文章中，你可以在引言的結尾處簡要地描述文章各部分將涉及的內容。這可以引導讀者了解你的結構，并預告你的論點將如何發展。
Example of an essay introduction
The invention of Braille marked a major turning point in the history of disability. The writing system of raised dots used by blind and visually impaired people was developed by Louis Braille in nineteenth-century France. In a society that did not value disabled people in general, blindness was particularly stigmatized, and lack of access to reading and writing was a significant barrier to social participation. The idea of tactile reading was not entirely new, but existing methods based on sighted systems were difficult to learn and use. As the first writing system designed for blind people’s needs, Braille was a groundbreaking new accessibility tool. It not only provided practical benefits, but also helped change the cultural status of blindness. This essay begins by discussing the situation of blind people in nineteenth-century Europe. It then describes the invention of Braille and the gradual process of its acceptance within blind education. Subsequently, it explores the wide-ranging effects of this invention on blind people’s social and cultural lives.
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