英语：Module4Unit2Bookscouldbeproducedmorequicklyandcheaply课件（外研版九年级上）

1、Module 4 Great Inventions,Unit 2 Books could be produced more quickly and cheaply.,Lets Review,Have/has been + done,This book/ read/ by everyone in my class,This book has been read by everyone in my class.,This book/ discuss/ on telephone It/ buy/by thousands pf people Children/tell to read this boo

2、k The book/ print/ again and again Other books /write /about this book,This book has been discussed on the telephone.,It has been bought by thousands of people.,Children have been told to read this book.,This book has been printed again and again.,Other books have been written about this book,Lets R

3、eview,Complete sentences,1.a) All students must read this book. b) This book _by all students. 2.a)Everyone can understand his ideas. b) His ideas _by everyone. 3.a)I could not fine her books anywhere. b) Her books _anywhere. 4.a) For a long time, many people could not use computers. b) Computers_by

4、 many people for a long time.,You can buy computers quite cheaply now.,Computers can be bought quite cheaply now,must be read,can be understood,could not be found,could not be used,Lets Review,Complete sentences,5.a) We can do the work now if you want. b) The work _now if you want. 6.a) You must not

5、 take these magazines from the library. b) These magazines _from the library .,You can buy computers quite cheaply now.,Computers can be bought quite cheaply now,can be done,must not be taken,Talk in pairs,Whats the advantages of and,Can books be replaced by computers?,Read and get the main ideas of

6、 the paragraphs,Every morning my father buys a newspaper on his way to work. Every day I open my books in class and start my lessons. Every evening my mother looks through magazines at home. And Every night, I look at the posters with photos of David Beckham and Yao Ming on my bedroom wall before I

7、go to sleep. Can we imagine life without paper or print?,c. Life on paper and in print,Read and get the main ideas of the paragraphs,Paper was first created about 2,000 years ago, and has been made of silk, cotton, bamboo, and since he 19th century, of wood. People learned to write words on paper to

8、 make a book. But in those days, books could only be produced one at a time by hand. As a result, they were expensive and rare. And because there werent many books, few people learned to read.,a. The world before books,Read and get the main ideas of the paragraphs,Then printing was invented in China

9、. The first printed books were made by putting ink against a wooden block and holding the paper against it. When printing was developed greatly at the beginning of the 11th century, books could be produced more quickly and cheaply. As a result, more people learned to read. After that, knowledge and

10、ideas spread quickly, in a way that can be compared with the introduction of the Internet in the 20th century.,b. The invention of printing,Read and get the main ideas of the paragraphs,But will books be needed in the future? Today information can be received online, downloaded from the Internet rat

11、her than found in books, and information can be kept on CD-ROMs or machines such as MP3 players. These machines are smaller and lighter than books so that they can be carried very easily.,d. Technology and books,Read and get the main ideas of the paragraphs,Computers are already used in classrooms,

12、and newspapers and magazines can already be read online. So will books be replaced by computers one day? No, I dont think the Yao Ming poster on my bedroom wall will ever be replaced by computer two meters high!,e. Can books be replaced by computers?,Language Points,1. looks through 浏览，温习 Eg. He loo

13、ked through many books in order to find the correct answer. 为了找到正确答案,他查阅了许多书籍.,2. with without 带有 / 没有 eg. He found a house with many trees around. 他找到了一所周围有许多树的房子. He went to school without breakfast today. 他今天没有吃早饭就去上学了.,Language Points,3. be made of - be made from- be made up of - be made in- be

14、made by be made into -,由材料制成(看得出材料),由材料制成(看不出材料),由组成(部分或成员),出产于(某地),由制成(生产者),制成.(产品),Ex. 1. Look at the camera, Where is it _? Japan. 2. The table is _wood, while paper is _wood. 3. Our class is _twenty boys and twenty three girls. 4. The metal can be _ a knife. 5. This kind of car is _ many workers

15、 in the factory.,made in,made of,made from,made up of,made by,made into,Language Points,4. write words on- make a book - in those days - at a time - by hand - as a result -,在上写字 做成书 在过去 一次,每次 手工地 结果,Ex. 1. He could even eat three hamburgers _, _ he became very fat. 2. This picture is produced _, so

16、its very expensive. 3. _ there were few people knew about computers. 4. They tried to _ paper in order to _,at a time,as a result,by hand,In those days,write words on,make a book,Language Points,5. put against 将放进/刻进 hold against 将贴到,6. at the beginning of 在初/ 开始时 after that 然后,之后 in a way 以方式,7. co

17、mpare. with. 与.相比 , 与.相媲美 You cant compare him with Tom, theyre different. as compared with 与比较 Hes really done better as compared with last term.,Language Points,9. rather than 胜过,而不愿 Eg. He would choose Sunday rather than Saturday. I would like to go with you rather than stay at home. prefer to do

18、 rather than do 情愿而不.,be replaced by 被.所替代 be read online 在网上阅读,Make notes to complete the timeline.,2,000 years ago,11th century,today,In the future,Paper was first created. Paper was made of silk. Books were made by hand. Few people learned to read,Printing was developed greatly. Books were produc

19、ed quickly. More people learned to read. Knowledge and ideas spread quickly,Information can be received online. can be downloaded. can be kept on CD-BOMs,replaced?,Answer the questions,Why were books expensive and rare before the invention of printing? Why did ideas spread more quickly when books be

20、came cheaper? What can we use instead of books to get information?,Because books could only be produced one at a time by hand.,Because more people learned to read.,We can get information from the Internet.,Answer the questions,Use the words in the box : create, develop, hold keep, produce, receive,

21、spread,When was paper first created? When do you think books were first created? 2.Were books produced by hand or by machine at first? 3. What was the paper held against?,Paper was first created about 2,000 years ago. I think maybe books were first created after the 19th century.,By hand.,Paper was

22、held against a wooden block.,Answer the questions,Use the words in the box : create, develop, hold keep, produce, receive, spread,4. When was printing developed? 5. What can be kept on CD-ROMs? 6. What can be received online? 7. How did ideas spread in the past? How do ideas spread today?,At the beg

23、inning of the 11th century.,Information.,Information.,Ideas spread by reading books in the past and today they spread by using computers on the Internet,writing,writing,Its hard to imagine life without paper or print because 2. Books could only be produced one at a time because 3.Books could be prod

24、uced more quickly and cheaply after the 11th century because,writing,writing,4. We may not need books in the future because 5. Books will never be completely replaced by computers because,writing,writing,How to give reasons / results,as a result,because,so,so that,What was the result of books becoming cheaper? Why must printing be thought of as one of the most inventions?,Books became