可从以下几方面去写
Name:My name is./ I am...
Age:I am twelve/thirteen...years old.
Appearance:I am tall and thin.I have a round face with two big eyes.I have shoulder-length black hair.
Personality:I am friendly,honest and generous.Sometimes I am a bit shy.
Hobbies:I like collecting stamps and playing table tennis.I often play table tennis with my friends on weekends.
例如：My name is...I am a girl in Junior Eight of No.1 Middle School.I am modest and friendly.I am tall and thin with a pair of glasses.I like travelling,reading,collecting stamps and playing table tennis.I often play table tennis with my friends on weekends.I alsolike to breathe the fresh air and look at the beautiful views of the country.It's really relaxing.I study hard so I always get good grades at school.I am so kind that my techers and classmates love me very much.
