1.( 1) Once he gave a "yo" behind me, which startled me. When I stood up, he sang Buckwheat Pierre in a low bass voice. ② The language is simple, but there is no lack of humor. 2. Maybe at the beginning, the sound of "yo" was really a panic in children's hearts, which caused a thrill, but after many years, as an adult author, it was just fun and nostalgic. 3.( 1) Sugar-coated haws are crunchy and sweet. (2) Big melon seeds are bigger than melon seeds. 4. Tip: My favorite drink is: very cola. Oral advertisement: jubilant, happy from the sky, happy together, happy of course very cola.