Appropriate. "To the Oak Tree" is a poem about love written by Chinese poet Shu Ting. It is appropriate for a 9-year-old child to recite this poem at a wedding, as it can express blessings to the newlyweds, so it is appropriate. The composition and syntax of the poem "To the Oak" are carefully arranged to naturally integrate lyricism and argumentation, giving the rich and delicate emotions a rational brilliance.