假如你是李华，你的好友Peter进入高中后不适应高中生活，情绪低落，丧失信心，请你根据提示给他写一封Email，鼓励他努力学习。内容要点如下：

1）确定学习目标。

2）处理好同学关系。

3）积极参加学校活动。

要求：1）邮件必须包含以上所有内容，可适当增加细节；

2）词数80左右。开头和结尾已经给出，不计入总词数。

Dear Peter,

I am sorry to hear that you are in a bad mood and almost lost your heart because you are unable to adapt to life in senior high school. The following are my suggestions.

I hope I can be of some help to you. Good luck!

Yours truly,

 Li Hua