某对外发行的英文刊物正在进行中学生英语征文，请根据下列提示，以don’t lose your courage为题写一篇短文，以便向该刊投稿。
[提示]
1. 上高一的第一天；
2. 英语老师刘老师面带微笑进入教室；
3. 她自我介绍，应称呼她miss liu，而非teacher liu；
4. 要求我们每人到教室前自我介绍；
5. 我又怕又羞难以启齿；
6. 老师鼓励我，我讲得很好；
7. 难忘的第一节课；
8. 实践出真知。遇到困难不能灰心丧气。
[注意]
1. 词数100~140；
2. 不要逐字翻译提示，可适当增加细节使文章连贯
never shall i forget the first english lesson given by miss liu. on that day， when she entered the classroom， we found that she was a young and beautiful lady with a big smile on her face. then she introduced herself saying that we should call her miss liu instead of teacher liu， a moment later， she let all of us go to the blackboard and say something about ourselves in english in turn. when it was my turn， i felt so shy and fearful that i didn‘t dare to say a word before the class. she came up to me