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    Two young trees are standing at the top of a hill．Their names are Tim and Alan．One day，it's sunny and warm．Some birds are singing in the trees．The wind blows，and the trees are talking．“What do you want to be when you grow up?”asks Tim．“I'm not sure．I think I want to be a chair or a desk，”answers Alan，“Maybe I want to be a toy box．I like children．”“What do you want to be when you grow up?”asks Alan．“Me?”says Tim，“I just want to be a tree．I want to be a home for birds．I want to have many apples．And when it's sunny and hot，people and animals can stand under me．”