外研版初三英语课件.ppt

Module 4 Module 4 Great Inventions Great Inventions Unit 2 Books could be produced more quickly and cheaply.Lets ReviewHave/has been+doneHave/has been+doneThis 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 pf 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.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)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 many people for a long time.You can buy computers quite cheaply now.Computers can be bought quite cheaply 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 computers quite cheaply now.Computers can be bought quite cheaply nowcan be donemust not be takenTalk in pairsWhats the advantages ofand Can books be replaced by computers?Read and get the main ideas of the paragraphsEvery morning my father buys a newspaper onhis 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 Beckham and Yao Ming on my bedroom wall before I go to sleep.Can we imagine life without paper or print?c.Life on paper and in printRead and get the main ideas of the paragraphsPaper was first created about 2,000 years ago,and has been made of silk,cotton,bamboo,andsince he 19th century,of wood.People learnedto write words on paper to make a book.But in those days,books could only be produced one ata 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 booksRead and get the main ideas of the paragraphsThen printing was invented in China.The firstprinted books were made by putting ink against awooden block and holding the paper against it.When printing was developed greatly at thebeginning of the 11th century,books could be produced more quickly and cheaply.As a result,more people learned to read.After that,knowledgeand ideas spread quickly,in a way that can be compared with the introduction of the Internet in the 20th century.b.The invention of printingRead and get the main ideas of the paragraphsBut 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 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 paragraphsComputers 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!e.Can books be replaced by computers?Language Points1.looks through 浏览，温习浏览，温习Eg.He looked through many books in order tofind the correct answer.为了找到正确答案,他查阅了许多书籍.2.with without 带有带有/没有没有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他今天没有吃早饭就去上学了.Language Points3.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.(产产品品)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 in the factory.made in made of made from made up of made by made into Language Points4.write words on-make a book -in those days -at a time -by hand -as a result -在在上写字上写字 做成书做成书 在过去在过去 一次一次,每次每次 手工地手工地 结果结果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 dayswrite words onmake a bookLanguage Points5.put against 将将放进放进/刻进刻进 hold against 将将贴到贴到 6.at the beginning of 在在初初/开始时开始时 after that 然后然后,之后之后 in a way 以以方式方式pare.with.与与.相比相比,与与.相媲美相媲美You cant compare him with Tom,theyre different.as compared with 与与比较比较Hes really done better as compared with last term.Language Points9.rather than 胜过胜过,而不愿而不愿Eg.He would choose Sunday rather than Saturday.I would like to go with you rather than stay at home.prefer to do rather than do 情愿情愿而不而不.10.be replaced by 被被.所替代所替代 be read online 在网上阅读在网上阅读 Make notes to complete the timeline.2,000 years ago11th centurytodayIn the futurePaper was first created.Paper was made of silk.Books were made by hand.Few people learned to readPrinting was developed greatly.Books were produced quickly.More people learned to read.Knowledge and ideas spread quicklyInformation can be received online.can be downloaded.can be kept on CD-BOMsreplaced?Answer 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 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 questionsUse the words in the box:create,develop,hold keep,produce,receive,spread1.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 held against a wooden block.Answer the questionsUse the words in the box:create,develop,hold keep,produce,receive,spread4.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 beginning of the 11th century.Information.Information.Ideas spread by reading books in the past and today they spread by using computers on the Internetwriting1.Its hard to imagine life without paper or print because2.Books could only be produced one at a time because3.Books could be produced more quickly and cheaply after the 11th century becausewriting4.We may not need books in the future because 5.Books will never be completely replaced by computers becausewritingHow to give reasons/resultsreasons/results as a resultbecausesoso that1.What was the result of books becoming cheaper?2.Why must printing be thought of as one of the most inventions?Books became cheaper.As a result,more people learned to read.Printing must be thought of as one of the most inventions because it made books produced quickly writingHow to give reasons/resultsreasons/results as a resultbecausesoso that3.More people learned to read in the 11th century.What happened then?4.What development will mean that books wont be needed in the future?More people learned to read in the 11th centuryso knowledge and ideas spread quickly.Computers are used and newspapers and magazinescan be read on line so that books wont be needed in the future.Rewrite the notes in full sentences2,000 years ago11th centuryIn the futureAbout 2,000 years ago,paper was first created.As a result,morepeopletodaylFinish the workbook exerciseslWrite a passage according to the text.