题目

Every morning my father buys a newspaper on his way to work. Every evening my mother looks through magazines at home. And every night, I look at the posters with photos of David Beckham and Yao Ming on my bedroom wall before I go to sleep. Can we imagine life without paper or print?Paper was first created about 2,000 years ago, and has been made from silk, cotton, bamboo and, since the 19th century, from wood. People learned to write words on paper to make a book. But in those days，books could only be produced one at a time by hand. As a result, they were expensive and rare. And because ther5的相反数是　　　　　　　　　　　　　　　　　　 　 【　　 】 （A）　　　　　　 （B）　　　　 (C) 5　　　　　　 (D) -5