Read the following paragraph and answer the questions as required. One day, my son looked at a small tree for a long time. "Why can't the little tree walk?" "Oh, because

(1) Example: ① The ground is their mother, because there is ground for them to fall down. Some waves ran too far, and the sea called them back. (2) For example, childlike innocence is like a flower, which blooms with the power of life; Innocent and full of happy thoughts; The childlike innocence is not lost, and a colorful picture is painted. (The answer is not unique)