假设你是光明中学高三（1）班的学生李华。请根据以下四幅图的先后顺序，给你的美 国笔友Mike回一封英文邮件，介绍你高三开学第一天的一些情况。

注意：1．邮件的开头和结尾已为你写出。
2．词数不少于60。
Dear Mike,
Thank you for your email and I am glad to learn that you enjoyed your new school life．As requested, I would like to briefly introduce my first day of Senior Three．
                                                                                      
                                                                                      
                                                                                      
                                                                                      
I have to stop here and I look forward to more of your stories
Best wishes !
Li hua