九年級英語外研社上M4U2Bookscouldbeproducedmorequicklyandcheaply

1、Unit 2. Books could be produced more quickly and cheaply.,Module 4 Great inventions,1.80元,Activity 1. Work in groups. Read the title of the passage. Discuss the advantages and the disadvantages of both books and computers. Make a list.,1. get dust on shelves 2.take up space at home 3.can be expen- s

2、ive 4.Use trees, so not environmentally,Books,2. often cheap;,1. easy to get and use,3. better than watch- ing the computers screen;,1.keep lots of information 2.Many ”books” are free 3.Easy to find lots of “books”,1. Expensive 2. Need to know how to use it correctly 3. Use electricity 4.You can los

3、e everything if it “crashes” 5. Not pleasant to read on screen, need to print out,4.Watch movies, listen to music, play games ; 5.Huge amounts of data could be processed; 6. Save important information; 7. Work for a very long time.,Computers,Activity 2. Read the passage and match the main ideas with

4、 the paragraphs.,a The world before books b The invention of printing c Life on paper and in print d Technology and books e Can books be replaced by computers?,Can books be replaced by computers?,books,computers,buy a newspaper,Every morning my father buys a newspaper on his way to work.,looks throu

5、gh(1) magazines,Every evening my mother looks through magazines at home.,open my books,Every day I open my books in class and start my lessons.,Every night, I look at the posters with photos of David Beckham and Yao Ming on my bedroom wall.,look at the posters with photos of David Beckham and Yao Mi

6、ng.,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 go to sleep.

7、 Can we imagine life without paper or print?,Read the first passage and answer the questions.,P1,c. Life on paper and in print,Which does the passage match with, a, b, c, d or e?,create(2) paper,Paper was first created about 2,000 years ago.,Paper has been made from(4) silk, cotton and bamboo.,cotto

8、n(3),silk,bamboo,paper,Since 19th century, paper has been made from wood.,wood(5),paper,People learned to write words on paper to 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.,produce(6) books,one at a time(7),Paper was

9、 first created about 2,000 years ago, and had been made from silk, cotton, bamboo, and, since the 19th century, from wood. People learned to write words on paper to 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 bec

10、ause there werent many books, few people learned to read.,Read the second passage and answer the questions.,P2,a. The world before books,Which does the passage match with, a, b, c, d or e?,wooden block(9),ink(8),The first printed books were made by putting ink on a wooden block and holding the paper

11、 against it.,paper,At the beginning of(10) the 11th century, printing was developed greatly, books could be produced more quickly and cheaply. As a result, more people learned to read.,1.80元,Internet,Read the third passage and answer the questions.,Then printing was invented in China. The first prin

12、ted books were made by putting ink on 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, know-ledge and ideas spread quickl

13、y, in a way that can be compared with the introduction of the Internet in the 20th century.,P3,b. The invention of printing,Which does the passage match with, a, b, c, d or e?,Internet,Information can be received online, downloaded from the Internet rather than(14) found in books.,books,MP3 players,

14、Information can be kept on CD-ROMs or MP3. CD-ROMs or MP3 are smaller and lighter than books so that they can be carried very easily.,CD-ROM(15),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

15、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 .,P4,d. Technology and books,Which does the passage match with, a, b, c, d or e?,Read the fourth passage and answer the questions.,Computers are already u

16、sed in classrooms.,Newspapers and magazines can be read online.,newspaper,magazine,-Will books be replaced by computers one day?,-In Tonys opinion, books will not be replaced by computers.,The Yao Ming poster will not be replaced by a computer two meters high.,Computers are already used in classroom

17、s, 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 a computer two meters high!,P5,e. Can books be replaced by computers?,Which does the passage match with, a, b,

18、c, d or e?,Read the fifth passage and answer the questions.,2. What can we use to get information?,Books, computers, etc.,3. How did ideas spread in the past? How do ideas spread today?,In the past, ideas spread by books, and mouth to mouth.,Today, ideas spread by the Internet, TV, radio, books, etc

19、.,Paper was first created.,Printing was developed.,Books may /cant be replaced by computers.,Today,In the future,Activity 3. Read the passage again. Make notes to complete the timeline.,Information can received online and downloaded from the Internet.,11th century,2,000 years ago,一般現(xiàn)在時： 一般過去時： 一般將來時

20、： 情態(tài)動詞： 現(xiàn)在完成時：,am/is /are + 及過分,can/could, may/might, must, shall/should + be + 及過分,will + be + 及過分,have/has + been + 及過分,was/were + 及過分,Summary: 各種時態(tài)的被動語態(tài)構(gòu)成,( )1. -what should we do first if we want to develop our village ? - A lot of new roads_ I think . A. must build B. have to build C. must be built D. have built,( )2. I dont think sixteenyearolds should _ to go to bars .(酒吧） A. allow B. be allowing C. be allowed D .not allow,( )3. This kind of food _in a cool place . A. keep B. must keep C. must be kept D. may ke