My name is Li Bing. I have a good friend . Her name is Chen ZiQing . I am 13 years old . She is as old as me. I am 155cm tall. She is 150cm tall . She is 5cm shorter than me . I am 36kg . She is 37kg . She is heavier than me .She often does homework with me .We always help each other. I am happy to have a good firend .

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