假如你是张华，以下是你友好结对学校Maple Knoll High School的好友Andrew发给你的一封电子邮件，请你根据该邮件内容给Andrew回复并提出你自己的问题．

Hi，Zhang Hua， How's it going？I'm glad that we will graduate soon．As you know，a new life in senior high school will be exciting．Maybe both of us will have many tasks ahead．I wonder if you have any ideas about it．Here are my problems． How can I relax and keep healthy？ How can I increase knowledge？ Looking forward to your reply．Best wishes! Yours, Andrew

注意：（1）请回复邮件中所提及到的两个问题，可适当发挥．

（2）邮件中不得出现真实人名和校名等相关信息．

（3）词数：80～100

（4）短文开头仅供选择使用，不计入总词数．

短文开头：

Hi，Andrew，glad to hear from you．It's important for us to prepare for senior high school．