青少年身心健康十分重要，你所在的学校将开展以"健康"为题的英文征文比赛。请你根据内容提示，以"How to be healthy and happy"为题写一篇短文，谈谈你的看法。
内容提示：
●身体健康（Physical health）：
①健康饮食；
②加强锻炼；
③睡眠充足。
●心理健康（Mental health）：
①热爱生活，兴趣广泛；
②积极乐观，及时倾诉；
③……
注意：
（1）词数80～100；
（2）可适当增加细节，以使行文连贯；
（3）开头和结尾已为你写好，不计入总词数。
How to be healthy and happy As we all know，health is important to us.However，we students in Grade 9 are under too much pressure，which is harmful to our body and mind.Therefore，it is necessary to know how to be healthy and happy._______
    As long as you can follow the points above，I believe you will live a healthy and happy life.

【考点】说明文；安全与健康．

【答案】How to be healthy and happy
     As we all know，health is important to us.However，we students in Grade 9 are under too much pressure，which is harmful to our body and mind.Therefore，it is necessary for us to know how to be healthy and happy.
    Firstly，we should keep our bodies healthy.Not only do we need to eat healthy food，but we also need to exercise in a proper way every day.For example，We can play badminton for 30 minutes after school every day.Meanwhile，we are supposed to have enough sleep.It is suggested that we should sleep for at least 8 hours every day.
   It is also important to improve our mental health so that we can be happy.First of all，we need to love life and develop good hobbies.What's more，try to be active.When we're sad，we should communicate with our parents，teachers and friends in time.In addition，we need to get along well with others as well and be willing to help others.
  As long as we can follow the points above，I believe we will live a healthy and happy life.