ill prefer paper books and value the feeling of them. Paper books are very well designed, they look and smell good, and they carry with them a more human touch. Avid (热衷的)readers prefer reading on paper. Perhaps this is their choice because paper books give them a sense of ownership. It is reported that reading on paper rather than an electronic screen is better for memory and focus. But paper books are heavy and they are not convenient to carry.РWhich is your decision, an e - book or a paper book?Р阅读短文,回答下列问题.(每小题2分,共10分)РHow many kinds of books are mentioned in the passage ? ?РDo young people like e - readers better? ?РAccording to the study, why are most teenagers short - sighted? ?РWhich is better for memory and focus, an e - book or a paper book? ?РWhat*s the main idea of the passage?