六级英语作文是高校英语考试中重要的组成部分，如何写出高质量的英语作文是每个学生都需要面对的问题。在写作过程中，良好的句子结构和恰当的表达方式是必不可少的。而万能句子的使用可以帮助我们更好地表达思想，使文章更加连贯、有条理。

以下是一些六级英语作文常用的万能句子：

1. 开头句子：

(1) Nowadays, with the rapid development of society, more and more people are concerned about...

(2) As far as I am concerned, I strongly believe that…

(3) It is widely believed that…

(4) In recent years, there has been a growing concern over…

(5) It is universally acknowledged that…

2. 正文句子：

(1) Furthermore, it is important to…

(2) What is more, we should…

(3) In addition, it is essential that…

(4) It is necessary to take measures to…

(5) Besides, we need to…

3. 结尾句子：

(1) To sum up, we can draw the conclusion that…

(2) In conclusion, it is high time that we…

(3) Therefore, it is urgent that we…

(4) All in all, we should pay more attention to…

(5) In a word, we should take effective measures to…

使用这些万能句子可以使文章更加流畅，表达更加准确。但是，需要注意的是，不要过度使用，以免文章显得刻板和缺乏个性。同时，也要根据具体的情况加以变通和调整，使句子更加贴合文章的主题和内容。

总之，掌握好万能句子的使用方法可以帮助我们更好地写出高质量的英语作文，从而提高我们的英语水平和应对能力。