九年级英语外研社上M4U2Bookscouldbeproducedmorequicklyandcheaply(全单元完整课件).ppt

九年级英语外研社上九年级英语外研社上M4U2 Books could be produced more quickly and cheaply(全单元完整课件全单元完整课件),共共62张幻灯片张幻灯片,两个课时授完两个课时授完.课件囊括了教材里的各项活动课件囊括了教材里的各项活动,您无须因重新排版、输入电脑、浪费时间而烦恼您无须因重新排版、输入电脑、浪费时间而烦恼.这是与其他课件的不同之处这是与其他课件的不同之处.全单元共全单元共分六个部分分六个部分.第一部分：图片呈现课文重点难点第一部分：图片呈现课文重点难点.第二部分：重点难点归纳第二部分：重点难点归纳.第三部分：第三部分：课文活动课文活动.第四部分第四部分:语法专讲专练语法专讲专练.第五部分：过关检测第五部分：过关检测.第六部分：家庭作业。第六部分：家庭作业。Unit2.Bookscouldbeproducedmorequicklyandcheaply.Module 4 Great inventions1.80元元Activity 1.Work in pairs.Read the title of the passage.Discuss the advantages of both books and computers.Make a list of the advantages and the disadvantages of the book.AdvantagesDisadvantages.1.get dust on shelves2.take up space at home3.can be expen-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 can 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 paragraphs.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 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 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 paper 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 been 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,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 passage and answer the questions.P2a.The world before books 1.Which does the passage match with,a,b,c,d or e?2.Why were books expensive and rare before the invention of printing?Because they were written by hand.3.When was paper first created?When do you think books were first created?Paper was first created about two thousand years ago.Books were first created soon after paper.4.Were books produced by hand or by machine at first?Books were produced by hand.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,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 printing 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 that,know-ledge and ideas spread quickly,in a way that can be compared with the introduction of the Internet in the 20th century.P32.Why did ideas spread more quickly when books became cheaper?Because more people learned to read and bought books.b.The invention of printing1.Which does the passage match with,a,b,c,d or e?3.What was the paper held against?Paper was held against wood blocks.4.When was printing developed?Printing was developed in the 11th century.InternetInformation can be received online,downloaded from the Internet rather than(14)found in 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,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.Can books be replaced by computers?1.Which does the passage match with,a,b,c,d or e?Read the fourth passage and answer the questions.2.What can be kept on CD-ROMs?Information can be kept in CD-ROMs.3.What can be received online?Information can be received online.Computers are already 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.Such as:The Yao Ming poster will be replaced by a computer two meters high.Computers are already used in classrooms,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?1.Which does the passage match with,a,b,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.Words and expressions1.look through 浏览浏览/查阅查阅 He looked through many books in order to find the correct answer.【归纳归纳 拓展拓展】look构成的词组(1).look after(2).look around(3).look at(4).look down(5).look for照看照看四下里看四下里看看着看着向下看向下看寻找寻找(6).look forward to(7).look into(8).look like(9).look out(10).look out for(11).look out of(12).look up(13).look over期待期待,期望期望,盼望盼望,渴望渴望向向里看里看看起来像看起来像当心当心当心当心向向外面看外面看查找查找,向上看向上看仔细检查仔细检查2.createPaper is made from wood.比较比较:be made of-创造创造,创作创作4.be made from-An artist should create beautiful things.The table is made of wood.由由材料制成材料制成(看看由由材料制成材料制成(看不出材料看不出材料)得出原材料得出原材料)5.wood 木头木头,木材木材woods拓展：拓展：意为意为:森林森林wooden 木制的木制的3.cotton 棉花棉花7.at a timePlease come in one at a time,not all together.6.produce生产生产(1).in time 及时及时(2).on time 按时按时【归纳归纳 拓展拓展】(3).all the time 一直总是一直总是(4).at the same time 同时同时(5).from time to time 有时；偶尔有时；偶尔一次一次拓展：拓展：production n.生产生产 product n.产品产品8.ink墨水墨水 9.block 板子板子,街区街区10.at the beginning of在在.的开始的开始We often feel very happy at the beginning of the new term.知识知识11.knowledgeKnowledge is power.12.spread 作不及物动词用，意为作不及物动词用，意为:传播传播,如：如：The news spread quickly and soon every-one knew it.(6).have a good time 过得快乐过得快乐13.Introduction n.(1).引引/传入传入.引引/传进传进.(2).介绍介绍She was shy on her first intro-duction to him.The factory develops very quickly with the introduction of the new technology.self-introduction n.自我介绍自我介绍拓展；拓展；introduce v.介绍介绍,引入引入/引进引进1 5.CD-ROM14.rather than而不是而不是.Everybody likes to go to the cinema this evening rather than stay at home.1.on ones way(to)s.p.已学旧词组：已学旧词组：只读光盘只读光盘,只读光盘存储器只读光盘存储器在某人去某地去的路上在某人去某地去的路上3.as a result4.after that2.by hand 用手工用手工在那以后在那以后结果结果(是是)6.in a way 7.Such as8.MP3 player9.so that10.one parewith有一天有一天,总有一天总有一天以便以便,为了为了,目的是目的是MP3播放器播放器例如例如用一种方法用一种方法把和相比较把和相比较 Paper was first created.Printing was developed.Books may(not)be replaced by computers2,000 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 Internet11th century2,000 years ago Paper was first created about two thousand years ago.Printing was developed greatly in 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.Today,information can received online and downloaded from the Internet.In the future,books may(not)be replacedby computers.Activity 6.Complete the sentences.people are used to thatthat has been used for many years.they were written by hand.2.Books could only be produced one at a 1.Its hard to imagine life without paper orPrint because-time because-或者或者:printing wasnt invented at that time.3.Books could be produced more quickly and cheaply after the 11th century because-printing was developed.4.We may not need books in the future because-information can be stored in computers,CD-ROMs,etc.5.Books will never be replaced by computers people like books.People are used to reading paper books.because-或者或者:people can read on computers.Activity 7.Look at how to give reasons/resultsreasons/results as a resultbecausesoso that1.What was the result of books becoming cheaper?Books became cheaper,as a result more people learned to read.2.Why must printing be thought of as one of the most inventions?Printing must be thought of as one of the most inventions because it made books produced quickly 3.More people learned to read in the 11th century.What happened then?More people learned to read in the 11th century so knowledge and ideas spread quickly.4.What development will mean that books wont be needed in the future?Computers are used and newspapers and magazines can be read on line so that books wont be needed in the future.含有情态动词的被动语态含有情态动词的被动语态:情态动词情态动词+be+及及物动词过去分词物动词过去分词(情态动词有：情态动词有：can/could,may/might,must,shall/should,will/would,等等.)You can buy computers quite cheaply now.Computers can be bought quite cheaply now1.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.must be readcan be understood3.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.could not be foundcould not be usedcan be donemust not be taken5.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 _ fromthe library.过关练习过关练习一一.中英对译中英对译1.书能被计算机替代。书能被计算机替代。Books _ by computers.。2.书不能被计算机代替。书不能被计算机代替。Books _by computers 3.书能被计算机替代吗？书能被计算机替代吗？_books_ by computers?can be replacedcan not be replacedCanbe replaced4.什么时候书能被计算机代替呢？什么时候书能被计算机代替呢？When_ books _ by computers?canbe replaced5.可以做作业了。可以做作业了。Homework_.6.可以照相片了。可以照相片了。Photos _.7.应该洗衣服。应该洗衣服。Clothes_.can be takencan be washedcan be done1.We wont need paper.Paper wont be needed.2.We will publish it on the school website.It will be published on the school website by us.二二.将下列句子变为含情态动词的被动语态将下列句子变为含情态动词的被动语态3.We can read it on screen.It can be read on screen by us.4.We can read and even listen to the same The same information can be read and even be listened to on computers by us.information on computers.一般现在时：一般现在时：一般过去时：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：过去完成时：过去完成时：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had+been+及过分及过分()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）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!”“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