19. It shows the process of the works being conceived, created and dedicated to the society by the writers, as well as the writers' feelings for the works. (4 points for this question, 1 point "gestation", "creation", "dedication" and "emotion". Only answer "shows the creative process of the work" and get 2 points.

20.( 1) "fallen leaves" (works) are either ignored, appreciated or become the research object.

(2) With the help of a series of "maybe", the article highlights the suffering of "fallen leaves" with parallelism.

2 1.( 1) This sentence expresses the author's reflection (confusion) on the value of his works and his pursuit of life.

(2) The author's final choice is to stick to his own creative path as always.

22. Echoing the beginning, I borrowed Lu's words to express the writer's empathy for his work.

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