This topic is task-driven composition. The materials given lead to three views of netizens on selling books on the streets of Chongqing. The topic requires candidates to judge which netizens' opinions are more recognized, and then reflect their "thinking, weighing and choosing" in the composition. The essay question type is similar to the new national college entrance examination standard Volume 2 of 20 16, which requires candidates to make a choice and can only be selected from the opinions of netizens. Besides, they can't put forward their own opinions, and they can't write anything between them. Idea 1: Selling books cheaply is disrespectful to knowledge and demeaning the cultural value of books. Idea 2: Books are sold cheaply, which is conducive to the spread of knowledge and the cultural value of books. Idea 3: Selling books cheaply will help guide people to read classic paper books, improve their reading taste and benefit their physical and mental health.