《九年级英语外研社上M4U2Bookscouldbeproducedmorequicklyandcheaply.ppt》由会员分享，可在线阅读，更多相关《九年级英语外研社上M4U2Bookscouldbeproducedmorequicklyandcheaply.ppt（41页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、Unit2.Bookscouldbeproducedmorequicklyandcheaply.Module 4 Great inventions1.80元元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.AdvantagesDisadvantages.1.get dust on shelves2.take up space at home3.can be exp
2、en-sive4.Use trees,so not environmentallyBooks2.often cheap;1.easy to get and use3.better than watch-ing the computers screen;AdvantagesDisadvantages.1.keep lots of information2.Many”books”are free 3.Easy to find lots of“books”1.Expensive2.Need to know how to use it correctly3.Use electricity4.You c
3、an lose everything if it“crashes”5.Not pleasant to read on screen,need to print out4.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.ComputersActivity 2.Read the passage and match the main ideas with the parag
4、raphs.a The world before books b The invention of printingc Life on paper and in printd Technology and bookse Can books be replaced by computers?Can books be replaced by computers?bookscomputersbuy a newspaperEvery morning my father buys a newspaper on his way to work.looks through(1)magazinesEvery
5、evening my mother looks through magazines at home.open my booksEvery 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 Ming.Every morning my father
6、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.Can we imagine life without pape
7、r or print?Read the first passage and answer the questions.P1c.Life on paper and in printWhich does the passage match with,a,b,c,d or e?create(2)paperPaper was first created about 2,000 years ago.Paper has been made from(4)silk,cotton and bamboo.cotton(3)silkbamboopaperSince 19th century,paper has b
8、een made from wood.wood(5)paperPeople 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)booksone at a time(7)Paper was first created about 2,000 years ago,and had been made from silk,
9、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 because there werent many books,few people learned to read.Read the second passag
10、e and answer the questions.P2a.The world before books 1.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 against it.paperAt the beginning of(10)the 11th century,printing was developed greatly,
11、books could be produced more quickly and cheaply.As a result,more people learned to read.1.80元元After that,knowledge(11)and ideas spread(12)quickly,in a way that can be compared with the introduction(13)of the Internet in the 20th century.InternetRead the third passage and answer the questions.Then p
12、rinting was invented in China.The first printed 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 th
13、at,know-ledge and ideas spread quickly,in a way that can be compared with the introduction of the Internet in the 20th century.P3b.The invention of printing1.Which does the passage match with,a,b,c,d or e?InternetInformation can be received online,downloaded from the Internet rather than(14)found in
14、 books.booksMP3 playersInformation 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
15、,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.P4d.Technology and books1.Which does the passage match with,a,b,c,d or e?Read the fourth passage and answer the questions.Computers are al
16、ready used in classrooms.Newspapers and magazines can be read online.newspapermagazine-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 classrooms
17、,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!P5e.Can books be replaced by computers?Which does the passage match with,a,b,c,d or e?Rea
18、d 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.Paper was first created.Printi
19、ng was developed.Books may/cant be replaced by computers.2,000 years ago11th centurytodayin the futureTodayIn the futureActivity 3.Read the passage again.Make notes to complete the timeline.Information can received online and downloaded from the Internet.11th century2,000 years ago一般现在时：一般现在时：一般过去时：
20、一般过去时：一般将来时：一般将来时：情态动词：情态动词：现在完成时：现在完成时：am/is/are +及过分及过分can/could,may/might,must,shall/should+be+及过分及过分 will +be+及过分及过分have/has+been+及过分及过分was/were +及过分及过分Summary:Summary:各种时态的被动语态构成各种时态的被动语态构成各种时态的被动语态构成各种时态的被动语态构成()1.-what should we do first if we want to develop our village?-A lot of new roads_
21、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）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 kept()4.“what beautiful flowers in the garden!”
22、“Yeah!They _here last year.”A.planted B.were planted C.are planted D.will be planted()5.This book is made _ paper and paper is made _ some other things.A.of of B.of from C.from of D.from from()6.Our classroom every day by us.A.must clean B.must cleaned C.must be cleaned D.must be cleaning()7.Because of the dry weather,lots of water _to water the crops.A.must carry B.mustnt carry C.must be carried D.be carried What can you do with your computer?typewritingsending e-mailsshoppinglistening to musicplaying gameswatching TV and movieshaving classesreading newspapers and magazinesand so on