在英语写作中，一个优秀的开头和结尾能够极大地提升文章的整体质量。以下是一些适用于大学英语作文的万能句型，可以帮助你在考试或日常写作中快速构思出高质量的文章。

开头句型：

1. As the world is becoming increasingly interconnected, the importance of [subject] cannot be overstated.

2. In today's fast-paced society, [topic] has become a topic of great concern for many people.

3. With the rapid development of technology, [specific aspect] has undergone significant changes.

这些句子可以用来引入话题，吸引读者的注意力，并为接下来的内容铺垫。

结尾句型：

1. In conclusion, while there are various perspectives on this issue, it is evident that [main point].

2. To sum up, [topic] plays a crucial role in our lives, and we should strive to [action or solution].

3. In light of the above discussion, it is clear that [conclusion], which calls for our immediate attention.

这些结尾句型不仅能总结全文，还能给读者留下深刻的印象，同时展示你的观点和立场。

使用这些万能句型时，记得根据具体题目和个人风格适当调整，以确保文章自然流畅且富有个性。通过不断练习，你将能够在各种场合下灵活运用这些技巧，写出令人印象深刻的英语作文。