小学5年级 - 记叙文 - 记人 阅读指导

　　This is David .He was ten year old .He was short and fat .Why?Because he always slept and ate many sweet food . He didn’t like sport .
David is eleven years old now .He is tall and thin.Why ?
Because he often does exercises ,plays basketball and swims.
　　He is a very healthy boy now.