某英文网站正在开展以“我的人生规划”为主题的征文活动，假如你是李华，请用英文写一篇短文投稿，谈谈你的人生目标是什么，你为什么这样的目标以及计划如何实现你的这一目标。
提示词语: scientist, doctor, teacher, university, knowledge, exercise
提示问题：●What is your goal in life?
● Why do you have this goal?
●What are you going to do to achieve the goal?
