Fu, comparison, and Xing refer to the three expressions of poetry. Fu: layout and tell straightly, express thoughts and feelings and related things in a flat and straightforward way; compare: analogy, to make things more vivid by comparing them Specific, clear and simple; Xing: Preface other things, and then use it to associate, elicit the things, thoughts, feelings that the poet wants to express. According to the above definition, which of the following is used in the following verses? ['The life and death agreement is broad and talks with Zi Cheng.', 'Fire in July, clothing in September. Zaiyang in spring, Naruto Geng.', 'I have a heart, I ca n’t turn it. I have a heart, I ca n’t roll it.', 'Your hands are as soft as skin, your skin is like gelatin.']