写作六级作文的开头可以根据不同的题目和写作要求来设计。以下是一些常用的六级作文开头写法：

1. 引用名言或事实：可以引用相关的名言、格言或有关的事实来引起读者的兴趣，并与主题相关联。

例子：
- "As Albert Einstein once said, 'Imagination is more important than knowledge.' This statement holds true in today's rapidly changing world..."
- "According to a recent survey conducted by XYZ Research Institute, it was found that..."

2. 提出问题或引发思考：通过提出一个引人深思的问题或观点，激发读者的思考，并引导文章的主题。

例子：
- "Have you ever wondered why some people are more successful than others? Is it purely based on luck or is there something more to it?"
- "In today's digital age, where technology is advancing at an unprecedented pace, how does this affect our personal relationships and interactions?"

3. 描述背景或现象：通过描述一个相关的背景或现象，引入主题，并为后续的论述提供背景信息。

例子：
- "With the rapid development of social media platforms such as Facebook, Twitter, and Instagram, our lives have become increasingly connected and intertwined..."
- "In recent years, there has been a growing concern about the impact of climate change on our planet and the urgent need for sustainable solutions..."

4. 引出争议或对立观点：通过引出不同的观点或争议，引发读者的兴趣，并为后续的讨论提供对比和分析。

例子：
- "The issue of animal testing has long been a topic of debate. While some argue that it is necessary for scientific progress, others believe it is unethical and cruel..."
- "The question of whether money can buy happiness has been a topic of discussion for centuries. While some believe that wealth is the key to happiness, others argue that true happiness lies in more intangible aspects of life..."

以上是一些开头的写作思路，具体的写作开头还需要根据具体的题目和写作要求来进行设计。在写作时，要确保开头引人入胜、与主题相关，并为后续的论述提供一个良好的起点。