英语文章的格式通常包括以下几个部分：
1. 标题（Title）：
置于文章顶部居中。
标题应简洁、明确地反映文章内容。
2. 副标题（Subtitle）（如有）：
位于标题下方，通常比标题小一号。
副标题用于进一步说明文章主题。
3. 作者姓名（Author's Name）：
位于副标题下方，通常比副标题小一号。
可包括作者的单位或所属机构。
4. 摘要（Abstract）：
位于作者姓名下方，字数一般在150-250字之间。
摘要应简明扼要地概括文章的主要内容、研究方法、结果和结论。
5. 关键词（Keywords）：
位于摘要下方，用逗号分隔。
关键词应有助于读者快速了解文章主题。
6. 引言（Introduction）：
介绍文章背景、研究目的、研究方法等。
引言部分通常位于摘要之后。
7. 正文（Body）：
正文部分是文章的核心，通常包括以下几个部分：
研究方法（Methods）：介绍研究设计、实验方法、数据收集等。
结果（Results）：展示研究结果，通常包括图表、数据等。
讨论（Discussion）：对结果进行分析和解释，并与已有研究进行比较。
结论（Conclusion）：总结文章的主要发现和意义。
8. 参考文献（References）：
列出文章中引用的所有文献。
参考文献的格式需遵循特定的规范，如APA、MLA、Chicago等。
9. 附录（Appendix）（如有）：
提供额外的信息，如数据表格、原始数据等。
以下是一个简单的英语文章格式示例：
```
Title: The Impact of Climate Change on Agricultural Productivity
Subtitle: A Case Study of Corn Production in the United States
Author's Name: John Doe, University of XYZ
Abstract:
This study investigates the impact of climate change on corn production in the United States. The research employed a time-series analysis of historical climate data and corn yield data. The results indicate that increasing temperatures and extreme weather events have significantly affected corn yields. This study contributes to the understanding of the challenges faced by agricultural sectors in adapting to climate change.
Keywords: climate change, corn production, agricultural productivity, time-series analysis
Introduction:
Climate change has become a significant concern for agricultural sectors worldwide. This study aims to assess the impact of climate change on corn production in the United States, focusing on the relationship between temperature and corn yields.
Methods:
The research employed a time-series analysis of historical climate data and corn yield data. The data were obtained from the National Climatic Data Center and the United States Department of Agriculture.
Results:
The analysis revealed a significant negative correlation between temperature and corn yields. The study also identified that extreme weather events, such as droughts and floods, have had a substantial impact on corn production.
Discussion:
The findings of this study suggest that climate change poses a significant threat to corn production in the United States. The results highlight the need for agricultural sectors to adapt to changing climate conditions to ensure food security.
Conclusion:
This study demonstrates the adverse impact of climate change on corn production in the United States. The findings underscore the importance of implementing climate-resilient agricultural practices to mitigate the effects of climate change on food production.
References:
[1] Smith, J., & Johnson, L. (2019). Climate change and agricultural productivity: A review of the literature. Journal of Agricultural Science, 157(2), 123-140.
[2] Doe, J., & Smith, J. (2020). The impact of climate change on corn production in the United States. Environmental Science and Technology, 54(4), 2467-2475.
```
请注意，以上仅为一个示例，实际文章格式可能因学科、期刊或出版机构的要求而有所不同。
