1、Lesson21: Books or Computers?,How can we get knowledge?,By talking with others By watching TV By reading books By reading e-books,Without paper, how can we get knowledge?,By telling stories.,China was the first to invent paper during the Han Dynasty. It changed the world.,by hand 用手；手工 keep on 继续,In
2、 ancient times, people wrote each word_. To write one book, they usually _writing for a long time.,Words and phrases,by hand,kept on,This is a _. With _ technology, it was possible to _ _ knowledge.,modern adj.现代的printing press 印刷机 pass on 传递 by hand 用手；手工 keep on 继续,Words and phrases,printing press
3、,modern,pass,on,But now a new kind of books _:the _book(e-book). It is easier for people to buy and _ online.,Words and phrases,appeared,electronic,sell,morden adj.现代的printing press 印刷机 pass on 传递,appear v.出现 electronic adj.电子的 sell v.出售printing press 印刷机 pass on 传递 by hand 用手；手工 keep on 继续,Read the
4、 passage and answer 3 questions.,1.How did people pass on their knowledge without books in ancient times?2.What made it possible to print books quickly?3.What kind of books quickly changed peoples reading habits?,By telling storiesThe printing press.,The electronic books(e-books).,Paper,Read Passage
5、1, 2 and 3 again and fill in the blanks.,With paper, people began to _ _ their stories. People wrote each word _. It took a_ time to write one book._ couldnt travel _.,Information,by hand,long,write,down,far,Printingpress,When the printing press _, it changed the world. The _ printing press can prin
6、t books _, and makes it possible for the _ person to have _ access to read books.,appeared,modern,quickly,common,easy,Internet,_ and the Internet changed the world. They made it possible for a new kind of book: the _ books. Traditionally books could only be _ and sold at a store, but today you can b
7、uy and _ books _.,electronic,bought,sell,online,Computers,Read the lesson and put the sentences in the correct order.,It took a long time to write just one book. It made it possible for common people to read books. The e-book appeared. People had no books, and they shared knowledge by telling storie
8、s. The printing press appeared. People download books from the Internet. With paper, people began to write down stories.,3,5,6,1,4,2,7,Work in groups,Do you like reading paper books or electronic books? Why? Talk with your members in a group.,No matter what we have, a computer, a tablet, a laptop, an e-reader or a real book, keep on reading!,Homework,Do you like reading paper books or electronic books? Why? Talk with your partner and make up a dialogue.,
