英语优缺点作文的开头可以有以下几种方式：

引入话题

"Nowadays, English has become an increasingly important language in the world. Many people believe that it is essential for personal and professional success. However, like any other language, English has its advantages and disadvantages."

提出问题

"Do you think that learning English is beneficial for everyone？ What are the pros and cons of learning English？"

直接陈述

"In the modern society, English has become a universal language, and it is important for communication, education, and business. However, like any language, it has its drawbacks."

对比观点

"Some people argue that English is a great language because it opens up a world of opportunities for communication and education. Others believe that it can be difficult to master and can be a source of frustration."

个人经历

"As a student, I have experienced both the advantages and disadvantages of learning English. In this essay, I will share my thoughts on the benefits and drawbacks of this language."

选择哪种开头方式取决于你想要表达的主题和读者的预期。确保开头能够吸引读者的注意力，并为后续的论述做好铺垫。