What are the similarities between the four ancient poems in the first volume of the seventh grade?

Have the same characteristics. Four Ancient Poems is the fourth text in the first unit of the seventh grade textbook, which has the characteristics of being good at reciting, stimulating imagination and pleasant temperament. These four ancient poems, which combine beautiful scenery, feelings and kind words, are all excellent works of writing scenery and expressing feelings. Every autumn, the poet climbs mountains to see the sea, sails and misses home, and paints a picture with concise and vivid language.