23. The first two sentences describe the dynamics of the shepherd boy, and the words "riding" and "vibrating" describe the unrestrained and sloppy manner of the cowboy sitting on his back and singing loudly; The last two sentences describe the shepherd boy's static state. (1) The words "grab" and "shut up" vividly show the expression of the shepherd boy holding his breath and singing cicada intently (1). In this way, from dynamic to static, the style of writing is abrupt and natural, and the image of the innocent, lively, witty and clever shepherd boy is vividly portrayed (2 points).
leave out