1、Lesson21: Books or Computers?,Oral practice(Free talk),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.,Le
2、arning aims:,Infinitive New words and phrases:modern appear electronic sell printing press pass on by hand keep on,by hand 用手；手工 keep on 继续,In 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 _ techn
3、ology, 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,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,morde
4、n 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,Listen to the passage and answer the following questions.,1.How did people pass on their knowledge without books in ancient times?2.What made it possible to print boo
5、ks quickly?3.What kind of books quickly changed peoples reading habits?,By telling storiesThe printing press.,The electronic books(e-books).,Language points:,1.Later, people learned how to write and make paper.(动词不定式和疑问词how连用做宾语） 2.It took a long time to write just one book.(it做形式主语，动词不定式做真正的主语） 3.N
6、owadays, people have many ways to read books.(动词不定式做后置定语）,Paper,Read Passage1, 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,Wh
7、en the printing press _, it changed the world. The _ printing press can print 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.
8、Traditionally books could only be _ and sold at a store, but today you can buy 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-boo
9、k appeared. People had no books, and they shared knowledge by telling stories. 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,Exercise,( ) 1. It _ forty-five minutes _ there by bus.A. cost; to get B. takes; getting
10、C. takes; to get D. takes; to get to( )2.Would you please tell me next?A.how to do B. What to do C.what do I do D. how I should do3.This is the best way (learn) English.4. I found it is difficult (learn) English well.5.I found it difficult (learn) English well.6.Dont give up hope, keep on (try).,Sum
11、mary,New words and phrases:modern appear electronic sell printing press pass on by hand keep on doing sth. Infinitive 1.Later, people learned how to write and make paper.(动词不定式和疑问词how连用做宾语） 2.It took a long time to write just one book. (it做形式主语，动词不定式做真正的主语） 3.Nowadays, people have many ways to read books.(动词不定式做后置定语）,Homework,Do you like reading paper books or electronic books? Why? Talk with your partner and make up a dialogue.,Goodbye!,
