外研版九上M4U2.ppt

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1、 Module 4 Great Inventions Unit 2 Books could be produced more quickly and cheaply.Talk in pairsWhats the advantages ofand Can books be replaced by computers?Main meaning of each paragragh1.Life on paper and in print2.The world before books3.The invention of printing4.Technology and books5.Can books

2、 be replaced by computers?Read the first paragraph and answer:Every morning my father buys a newspaper on his way to work. Every day I open my books inclass and start my lessons. Every evening my mother looks through magazines at home. And Every night, I look at the posters with photos ofDavid Beckh

3、am and Yao Ming on my bedroom wall before I go to sleep. Can we imagine life without paper or print?What do the family do?Father: buys a newspaper every morningMother: _The writer: _Read the second paragraph and answer:Paper was first created about 2,000 years ago,and has been made from silk, cotton

4、, bamboo, and since he 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 because there werent many books, few people learned to read.Questions:1.How lon

5、g has paper been created? 2. Were there many books to read in those days? Why or why not?Read the third paragraph and tell T or F:Then printing was invented in China.The first printed books were made by putting ink against a wooden block and holding the paper against it. When printing was developed

6、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 be compared with the introduction of the Internet in the 20th century.T or F:1. Printing was inv

7、ented in China. 2. Printing was developed quickly at the end of the 11th century.Read the fourth paragraph and tell T or F:But will books be needed in the future? Today information can be received online, downloaded from the Internet rather than found in books, andinformation can be kept on CD-ROMs

8、or machines such as MP3 players. These machines are smaller and lighter than books so that they can be carried very easily.Tell true or false: 1.We can only get information online.2.Books becomes smaller and lighter.3.Books can be carried more easily that an MP3.Read the last paragraph and think:Com

9、puters are already used in classrooms, andnewspapers and magazines can already be read online. So will books be replaced by computers one day? No, I dont think the Yao Ming poster onmy bedroom wall will ever be replaced by computer two meters high!Just think it over: In writers opinion, does he thin

10、k books can be replaced by computers? be made of - be made from- be made up of - be made in- be made by be made into -由由材料制成材料制成(看得出材料看得出材料)由由材料制成材料制成(看不出材料看不出材料) 由由组成组成(部分或成员部分或成员)出产于出产于(某地某地)由由制成制成(生产者生产者)制成制成.(产品产品)Ex. 1. Look at the camera, Where is it _? Japan. 2. The table is _ wood, while pap

11、er 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 the factory.made in made of made from made up of made by made into 3. Read the passage again. Make notes to complete the timeline.today2,000 years ago11th century

12、in the futurePaper first createdPrinting developedInformation downloaded from the InternetBooks may be replaced by computersAnswer the questions1.Why were books expensive and rare before the invention of printing?2.Why did ideas spread more quickly when books became cheaper?3.What can we use to get

13、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 books , Internet.Read the passage and then try to retell it:Can we imagine life without paper or print? Paper was first 1.c_ about 2,000 years ago, and has been

14、made 2.f_ silk, cotton, bamboo and since the 19th century, from wood. But in those 3.d_, books could only be produced one at a time by 4.h_. Then printing was 5.i_ in China. When printing was developed greatly at the 6.b_ of the 11th century, books could be produced more quickly and 7.c_.Today infor

15、mation can be received 8.o_, downloaded from the Internet rather 9.t_ found in books. So will books be 10.r_ by computers one day?reatedromaysandnventedeginningheaplylinehaneplacedwritingHow to give reasons / resultsreasons / results as a resultbecausesoso thatRead the passage and then try to retell

16、 it:1. - Look! What a nice garden! - Yes, it _ every day. A. has been cleaned B. is cleaned C. was cleaned D. will be cleaned2. It is said that potato chips _ by mistake 100 years ago. A. is invented B. was invented C. invent D. invented3. - Where did you go last night? - I _ to go to Li Leis birthd

17、ay party. A. ask B. am asked C. was asked D. have been asked4. English _ by lots of people in the world today. A. is spoken B. was spoken C. spoke D. spoken5. - Whats the _ of the meeting? - Love and Peace. A. literature B. language C. theme D. matter6. Lots of trees and flowers _ in this city last

18、year. A. plant B. planted C. are planted D. were planted7. These books should _ to the library on time. A. returned B. be returned C. are returned D. is returnedRead the passage and then try to retell it:8. A talk about how to learn English _ next week. A. will give B. give C. is going to given D. w

19、ill be given9. This novel _ yet. I need two more days. A. have read B. havent read C. have been read D. havent been read10. As students, we should study hard _ play games. A. instead of B. rather than C. more than D. prefer to11. Do you have _ to do? A. something else B. else something C. anything e

20、lse D. else anything12. - Did they _ the final game? - I dont know. A. win B. beat C. defeat D. lost13. - May I _ your camera? - Sure. But youd better _ it to others. A. borrow, lend B. borrow, not to lend C. borrow, not lend D. borrow, to lendLets ReviewHave/has been + doneHave/has been + doneThis

21、book/ read/ by everyone in my classThis book has been read by everyone in my class.1.This book/ discuss/ on telephone2.It/ buy/by thousands of people3.Children/tell to read this book4.The book/ print/ again and again5.Other books /write /about this book This book has been discussed on the telephone.

22、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 bookLets ReviewComplete sentences Complete sentences 1.a) All students must read this book. b) This book _by all students.2.a)Everyo

23、ne 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 many people for a long time. You can buy computers quite cheaply now.Computers can be bought quite cheaply

24、 nowmust be readcan be understoodcould not be foundcould not be usedLets ReviewComplete sentences 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 take these magazines from the library. b) These magazines _from the library .You can buy comput

25、ers quite cheaply now.Computers can be bought quite cheaply nowcan be donemust not be takenlFinish the workbook exerciseslWrite a passage according to the text.Talk in pairsWhats the advantages ofand Can books be replaced by computers?Discuss and fill in the form:convenientcheapEasy to useTake up sp

26、ace in the homeHeavy to carryWaste paperLess informationDiscuss and fill in the form:Store lots of informationMany “books” are freeSave paper Protect the environmentExpensive Need to know how to use it correctlyUses electricityYou can lose everything if it “crashes”Bad for our eyesCan books be repla

27、ced by computers?Do you think books will be replaced by computers? No, I dont think so. In my opinion, books are more important than computers. They are easy to use. And they dont need electricity. Maybe they are a waste of paper, but they are more convenient than computers. Books are cheaper than computers, too. In order to save more paper, we can reuse books.Compare with computers, I think books are better.Can books be replaced by computers?Do you think books will be replaced by computers? No, I dont think so. Yes, I think so.In my opinion, In a word,