书面表达：请以“I Want to Be a/an..."为题写一篇短文,词数60-80.内容必须包括提中的三项要求.

I want to be a excellent doctor in the future.Because doctors are angels to the patients,who can help them recover and even give an second life to the dying. I should make an ideal and practical plan and try my best to make it come true ,aiming to become an excellent doctor.Besides, I should study hard ,owing to the fact that only when I go to a top university can I learn the required skill.
不知道你的程度,此为高三毕业生自创