Hello! My name is [Your Name]. I am 9 years old and I study in Grade Three. Every day, I go to school with a big smile because I love learning new things.

At school, my favorite subject is English. I think it's fun to learn how to speak and write in another language. My teacher always says that practice makes perfect, so I try my best to practice every day. Sometimes, I even talk to myself in English when no one is around!

I also like playing sports. During recess, I play basketball with my friends. It makes me feel strong and healthy. At home, I enjoy reading storybooks. They take me to magical worlds where anything can happen.

My family is very important to me. I have a younger brother who is four years old. We often play games together, and he thinks I am the best sister in the world! My parents are very kind and supportive. They encourage me to dream big and work hard.

In the future, I want to be an artist. I love drawing and painting. I believe that art can make people happy and bring beauty to our lives.

自我介绍（三年级）

大家好！我叫[你的名字]。今年九岁，正在上三年级。每天上学的时候，我都带着灿烂的笑容，因为我喜欢学习新知识。

在学校里，我最喜欢的科目是英语。我觉得学习另一种语言很有趣。老师常说熟能生巧，所以我每天都努力练习。有时候，没人的时候，我会自言自语地用英语说话呢！

我还喜欢运动。课间休息时，我会和朋友们一起打篮球。这让我感到强壮又健康。在家里，我喜欢读故事书。它们带我进入神奇的世界，那里的一切都可能发生。

我的家人对我来说非常重要。我有一个四岁的弟弟，我们经常一起玩游戏，他觉得我是世界上最好的姐姐！我的父母非常善良且支持我。他们鼓励我要有大梦想并努力实现它们。

将来，我想成为一名艺术家。我喜欢画画。我相信艺术可以让人们快乐，并为我们的生活带来美丽。

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这篇作文结合了日常生活和梦想，适合三年级的学生使用，同时通过中英文双语形式呈现，既有趣又有教育意义。