《外研版九上《module 4 great inventions》(unit 2)ppt同步授课课件》由会员分享，可在线阅读，更多相关《外研版九上《module 4 great inventions》(unit 2)ppt同步授课课件（27页珍藏版）》请在金锄头文库上搜索。
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 bo
2、ok 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
3、 Review,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 find her books anywhere. b) Her books _ anywhere. 4.a) For a long time, many people could not use computers. b) Computers
4、_ by 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
5、 not 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 ide
6、as of 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 befo
7、re I go to sleep. Can we imagine life without paper or print?,c. Life on paper and in print,Paper was first created about 2,000 years ago, and has been made of silk, cotton, bamboo, and since the 19th century, of wood. People learned to write words on paper to make a book. But in those days, books c
8、ould 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. The first printed books were made by p
9、utting 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 ideas spread quickly, in a way that can
10、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 rather than found in books, and information
11、 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, and newspapers and magazines can already
12、 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?,Read and get the main ideas of the paragraphs,Language Points,1. look through 浏览，温习 Eg. H
13、e looked 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.,3. be made of - be made from- be made up of - be made in- be made by be
14、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),Language Points,Ex. 1. Look at the camera, It is _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 in
15、 the factory.,made in,made of,made from,made up of,made by,made into,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 手工的 结果,Ex. 1. He could even eat three hamburgers _, _ he became very fat. 2. This picture is produced _, so 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,Language Points,5. put against 将放进/刻进
