英语讲题作文的写作步骤如下：

审题

仔细阅读题目，理解题目的要求和要点。

确定文章的主题和中心思想。

构思

根据题目要求，列出文章的大纲或提纲。

确定文章的结构，如引言、正文和结尾。

写作

引言：简要介绍话题，吸引读者的兴趣。可以使用引人入胜的故事、名言或统计数据等。

正文：

主体段落：围绕主题展开论述，每个段落应有一个小论点，并提供相关的论据和例子。

- 使用恰当的连接词（如and, but, because等）使段落之间的逻辑更清晰。

结尾：总结全文，重申主题，可以提出建议或展望未来。

语言

使用恰当的词汇和句型，避免使用生僻词。

注意语法正确，避免拼写和标点错误。

尽量使用高级词汇和复杂句式，提升文章的可读性和表达的深度。

修改

完成初稿后，仔细检查语法和拼写错误。

确保文章逻辑清晰，论据充分。

可以请他人帮忙审阅，提出改进建议。

示例结构：

标题：The Impact of Water Pollution

引言：

Water pollution is a serious issue that affects the health of our planet. Everyone knows that the water in the river is getting dirtier and dirtier, and most fish in the water have died.

正文：

The Causes of Water Pollution

Industrial waste and agricultural runoff are the main causes of water pollution.

Plastic waste and other pollutants also contribute to the problem.

The Effects of Water Pollution

Water pollution harms aquatic life and disrupts ecosystems.

It also poses a threat to human health, as contaminated water can lead to various diseases.

Solutions to Water Pollution

Reducing industrial emissions and promoting recycling can help mitigate water pollution.

Governments and individuals should work together to protect water resources.

结尾：

In conclusion, water pollution is a critical issue that requires immediate action. By understanding its causes and effects, we can take effective measures to protect our water resources and ensure a healthier future for all.

建议：

多读多写：多读一些优秀的英语文章和范文，学习其写作技巧和表达方式。

多练多改：多写多练，不断修改和完善自己的文章，提升写作水平。

注意细节：在写作过程中，注意细节，如拼写、标点、语法等，确保文章的质量。