No, a smeared book is thick and has good paper quality. When the answer is torn off, the physical structure of the smeared book will not be affected, and it can still remain intact, and the book itself will not be scattered. "A Book" is a collection of graffiti content in the class of top students in college entrance examination in various provinces and cities across the country. It is of great guiding significance to restore the learning scenes of top students after finishing by front-line teachers.