四级report格式范文，出售二手书的英语作文四级

四级report格式范文？

1、四级report大多数情况下涵盖标题、序言、文章主体、结论和参考文献等部分，需根据规范格式排版。2、序言部分需简要讲解研究的背景和目标，文章主体部分需论述研究的过程和结果，结论部分需总结研究的成果，并提出对应的建议和展望。3、在文章主体部分，可以采取以下结构：问题陈述、文献综述、研究方式、数据分析和结果讨论等。4、参考文献需列举研究中使用的文献，并根据规范格式进行排版，如APA、MLA等格式。

卖二手书的四级英语作文范文？

This morning, our class held a charity sale on the school playground. We prepared a lot of things we made by ourselves in our spare time, such as kites, model airplanes and so on. They look very beautiful.

At the beginning of the activity, many students and teachers came to participate. It was very smooth and the result was worthwhile. Our efforts exceeded ￥.

Finally, we gave money to project hope to help poor children buy Stationery. I am proud of all we have done. If everyone contributes to charity, the world will become better￥.

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