Find out the arrangement technique in Mulan's poems and talk about its function in the text.

The arrangement of this poem, such as "Ask the woman what she thinks, ask the woman what she remembers", "Grandpa has no eldest son, Mulan has no eldest brother", and Mulan goes everywhere to buy pommel horses, which is not nonsense, but plays a role in rendering the atmosphere and setting off the characters. Most of the poems are similar in sentence arrangement. Using this arrangement method, the characterization, emotional implication and rhyme rhythm of this poem are full of folk songs, which enhances the artistic appeal.