下面为例文：
If I can choose my own profession, I would like to be a doctor.
Illnesses and diseases always bring pains and sufferings to us humans, but
doctors can help us get rid of them. Doctors are trained to know the causes of
different kinds of illnesses and the best ways to cure the patients. They can
bring patients from illness to happiness and give the hope to live on.
To be a doctor is not easy for everyone. It requires a kind heart and a
difficult process of learning. But I have the faith in realizing my dream and
overcome all the difficulties. Misunderstood as doctors may be, they deserve to
be respected.
I'll work hard to learn as much as possible, particularly chemistry,
mathematics and physics. To realize my dream of becoming a doctor, I will spare
my effor without hesitation.
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