Ex:3 p:49 Find the numbers below in the article and explain what they refer to

1 To my mind reading is less popular now with teenagers than it was before
 the computer came into our lives. I think they read less because of lack of time.
2 I like to read different kinds of books:  historical novels and books on geographical discoveries, about life of famous people and culture of different countries and many other kinds of books both paper books and electronic ones.
3 Many people prefer e-books to paper books because they don't occupy much room as paper books do, it's often easier to find the necessary book on the net than in the library or in the shop. E-books are much cheaper as compared to paper books and besides you may find them recorded and then you don't need to read them yourself, but just switch on the record and listen to the actors who read the text. It's quite helpful. You don't need to strain your eyes. There are of course other arguments: for example, it's unpleasant to deal with old dusty books because many people are alergic to book dust.
That's why many people prefer e-books to paper books.

- You had it, Ana! Did you remembered how I gave it to you so you could read it?- Jack sat down still having his eyes on Ana who was trying to find a paper that Jack gave to her last monday.
- I knew that I'm going to lose your paper, Jack... - she was saying while she was looking at her table - Oh, I found it !
- Ana, put it on your table. I just want to make sure that everything is okay to my papers - politely asked Jack.
- It was a terrible idea - said Ana, she got that paper and gave it back to Jack...
- You wrote pizza delivery phone number on it!? I told you that I'll sent to office in Mexico!? Pack your things, Ana! - said Jack, then he came closer and said softly:
-You have only 10 seconds to run away. GO!
Ana started running. She didn't want to go to Mexico.