1、八年级英语（JJ下）教学课件,Unit 4,Lesson 21:Books or Computers?,Key words & phrases: press, appear, modern, electronic, sell, pass on, change the world, keep on, by hand, printing press Key sentences: 1. .and people passed on their knowledge by telling stories.,Learning Targets,2. They wrote each word by hand.
2、3. Then, the printing press appeared and changed the world.4. With modern technology, it was possible to print books quickly.5. No matter what you have, a computer, a tablet, a laptop, an e-reader or a real book, keep on reading!,Which book do you often read, a paper book or an e-book?,April 23rd,Le
3、ad in,paper/real books,electronic-books,or,Ancient books:,a bamboo book,a silk book,inscriptions on bones,inscriptions on bronze ware,Paper books:,Paper books appeared. But in ancient times, people wrote each word by hand. To write one book, they kept on writing for a long time.,In Han Dynasty, a Ch
4、inese man called Cailun made paper first. It changed the world.,In _ times, a printing _ appeared. It can make thousands of books a day.,modern,press,Computers and E-books,With computers and the Internet, e-books appeared. People can buy and sell books online to pass on information.,press appear mod
5、ern electronic sell,n. 印刷机；新闻界 v. 出现；呈现；来到 adj. 现代的；新式的 adj. 电子的 v. 卖；出售,Words and expressions,Words and expressions,pass on change the world keep on by hand printing press,传递；前进 改变世界 继续 用手；手工 印刷机,How many books have you read this year? Do you read e-books? Do you like them?,THINK ABOUT IT,Read the
6、lesson and answer the questions.,1. How did people write books in ancient times?People wrote down their stories with paper. They wrote each word by hand. 2. What made it possible to print books quickly?Modern technology made it possible to print books quickly. 3. What kind of books quickly changed p
7、eoples reading habits?E-books.,Lets Do It!,1,Presentation,The History of the Book ( )It took a long time to write just one book. ( )It made it possible for common people to read books. ( )The e-book appeared.,3,5,6,2,Read the lesson and put the sentences in the correct order.,( )People had no books,
8、 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.,1,2,4,7,Fill in the blanks. The first letter is given.,1. With paper, people began to write down their stories. People wrote e
9、ach word by hand. It took a long time to write one book. I_couldnt travel far.,nformation,3,2. When the printing press a_, it changed the world. The m_ printing press can print books quickly, and makes it possible for the c_person to have easy access to books.,ppeared,odern,ommon,3. Computers and th
10、e Internet changed the world. They made it possible for a new kind of book: the e_ book. Traditionally books could only be bought and sold at a store, but today you can buy and s_books online.,lectronic,ell,Do you like reading paper books or electronic books (e-books)? Why? Talk with your partner an
11、d make up a dialogue.,4,1. .and People passed on their knowledge by telling stories. pass on 传递例：What sort of values do you want to pass on?你想把什么样的价值观传递给下一代？,Language points,2. They wrote each word by hand.by hand 用手；手工 例：He moved the huge stone by hand.他用手移动了那块大石头。We arranged lead letters by hand b
12、efore a newspaper was printed.在报纸印刷以前，过去是用手工排铅字的。,3. Then, the printing press appeared and changed the world. printing press 印刷机 例：The newspaper is the most novel product of the printing press.报纸是印刷机制造的最新奇的产品。,press n. 压；按；新闻；出版社 例：He felt the press of modern life.他感觉到了现代生活的压力。 Perhaps we really sho
13、uld be reflecting on another sacred liberty: the freedom of the press. 也许我们真正应该反思的是另一个神圣的自由：新闻自由。,v. 压；按 例：Drago pressed a button and the door closed. 德拉戈按了一个按钮，门关上了。Press this button to start the engine.要开动发动机就按这个按钮。 appear vi. 出现；呈现；来到 例：A woman appeared at the far end of the street. 一个女人在街那端出现了。,
14、4. With modern technology, it was possible to print books quickly. It is/was+ adj.+ to do sth.做某事是的 (It作形式主语，真正的主语是to do sth.) 例：It is very interesting to learn English.学英语很有趣。,若形容词是描述不定式行为者的性格、品质的，如kind/ good/ nice/ right/ wrong/ clever/ careless/ polite/ foolish等，用of sb.。 例：Its very kind of you to
15、 help me.你能帮助我真好。 若形容词仅仅是描述事物，用for sb.，这类形容词有difficult/ easy/ hard/ important/ dangerous/ impossible等。 例：Its very difficult for me to get up early in the morning.早上早起对我而言很困难。,5. No matter what you have, a computer, a tablet, a laptop, an e-reader or a real book, keep on reading! keep on 继续 例：They ru
16、n after me. I dont look back at them and keep on running. 他们在后面追我，我没有回头看，继续跑。,根据汉语意思完成句子。 1. I never felt stressed like that , but he did _ _ his sense of adventure. 我从没感觉到那样压抑，但是他确实给我传递了他的冒险精神。 2. Some scientific books of _ China have been lost. 我国有些古代科学著作已经失传。 3. The letter was written _ _. 这封信是手写
17、的。,pass on,ancient,by hand,Exercises,4. The first signs of the dawn _ on the horizon. 黎明的曙光出现在地平线上。 5. Trade is the lifeblood of most _ states. 贸易是大多数现代国家的生命线。 6. _computers are now in common use all over the world. 电子计算机已在世界各地普遍使用。,appeared,modern,Electronic,7. I am going to _this old car, and buy
18、a new car. 我打算卖掉这辆旧车，买辆新车。 8. The book contains much new _. 这本书有很多的新信息。 9. He _ _ working until midnight though he was tired. 尽管他累了但还是继续工作到深夜。,sell,information,kept on,Summary,1. Learn some new words and expressions. 2. Be able to understand the passage about books. 3. Learn some useful words and expressions to talk about the history of books.,Homework,Which invention do you think is more importantthe printing press or the Internet? (Write a short passage and give at least three reasons to support your choice.),