在学术写作中，开头部分非常重要，因为它为整个论文设定了基调，并引导读者进入你的研究。以下是一些常见的学术写作开头英语表达方式：

直接引入主题

"In this paper, we focus on the need for..."

"This paper proceeds as follow."

"The structure of the paper is as follows."

"In this paper, we shall first briefly introduce..."

背景介绍

"When the first Europeans came to the North American continent, they encountered the completely new cultures of the Native American."

"Native Americans adopted some of the Europeans' ways, and the Europeans adopted some of their ways. As a result, Native Americans' art, food, and government were significantly influenced."

提出问题或争议

"A much debated issue in the field of study is..."

问候和介绍

"Ladies and gentlemen, distinguished guests, and esteemed colleagues, good morning/afternoon/evening! It is an honor to stand before you today to deliver this academic presentation on [topic]."

引用或名言

"As the famous saying goes, '[quote]'."

研究目的

"The purpose of this study is to..."

选择哪种开头方式取决于你的论文类型、研究内容以及你希望如何吸引读者的注意。通常，结合使用以上几种方法可以使你的开头更加生动和有说服力。

建议：在撰写学术写作时，确保开头部分简洁明了，直接点出你的研究主题和目的。同时，使用适当的学术语言和格式，以体现你的专业性。