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新概念英语41-50练习题

新概念英语41-50练习题
新概念英语41-50练习题

1.It is very (sun) today.

2.—What are the children doing?

--They into the park.(go)

3.Amy must (clean) the room.

4.—What colour Mr.Green’s shoes?

--They are brown.

A.are the

B.is the

C.is

D.are

5.Are there bags on the table?

A.a

B.some

C.any

D.an

6.The under the tree her friends.

A.man;is

B.woman;are

C.men;are

D.women;is

7.—Is that bag heavy?

--No,it’s 。

A.heavy

B.big

C.full

D. light

8.-- there shoes on the floor?

--Yes, .

9.George is going to paint the bookcase .(就划线部分提问)

George ?

10.Put it here.(同义句)

put it .

11.-- the aeroplane (fly)over the bridge? --Yes,it is.

12.Sam can (find)the teacups.

13.The man in the living-room now.

14.I’m going (see)my grandfa tomorrow.

15.We must (be)careful.

16.Can Sam (make) the tea?

17. not (put)the bag on the chair. 18.Penny (put)the tea behind the teapot now.

19. (hurry) up! Or we are late.

20.Look,the kettle (boil). 21-30填介词

21.The cats are running the wall.

22.The tea isn’t in front the teapot.

It’s it.

23.Mr.Jones is walking the bridge .

24.Please give that hammer me.

25.The village is two hills.

26.My wife and I are walking the street.

27.Is there any water this kettle?

28.That tin of tobacco is not me.

29.There is a quarter a pound of tea in the bag.

30.What are you going to do that letter?

31.He is dropping the vase. (就划线部分提问)

he doing the vase?

32.在橱柜里有一些茶杯。

33.我不会做饼干。

34.The boss (要求)Bob to come to his office.

35. It’s 7o’clock . John’s family supper.

A.is having

B.are having

C.have

D.has

36.The boss Bob here

A.ask ; come

B.ask ; comes

C.asks ; coming

D.asks ; to come.

37.I can see some apples on the tree.(就划线部分提问)

You on the tree?

38.带着它像这样跑。

with it this !

39.她正在做饼干。

40.There are two bottles of (orange).

41.Here are some choice (orange).

42.Lucy wants (put)her skirt in the box.

43.I not (like)milk in my coffee.

44. some rice in the bag.

A.Have

B.There’s

C.There’re

D.There be

45.I not Scotch whisky.

A.am;like

B.are;like

C.do;like

D.be;like

46.I don’t like milk in my coffee.I like coffee.

A.white

B.green

C.red

D.black

47.—Do you like biscuits? –Yes, .

A.I am

B.I’m

C.I do

D.I be

48.Dad and mum paint my bookcase pink.(就划线部分提问)

Dad and mum

your bookcase?

49.Bob and Pamela work in an office .

Bob and Pamela ?

50.Where is white cat? 错改

51.His twelve years old. 错改

52.Sally often (sit) near the tree.

53.The family (walk)over the bridge now.

54.They are working hard,but we . 55.Mrs.Bird likes steak.What her husband? 56She doesn’t eat butter.Her son doesn’t eat butter,

.

57.George wants some apples. (就划线部分提问)

George ?

58.Her husband doesn’t like beans.

He doesn’t like peas,either.(合并句子)

Her husband doesn’t like beans peas. 59.伊丽莎白喜欢梨吗?

Elizabeth pears?

60.他今天没有来学校。

He to school .

61.你吃卷心菜还是莴苣?

you eat cabbages lettuces?

62.那个肉商没有跟伯德太太说实话。

That butcher Mrs. Bird the .

63.她字打得很好。

She very 。

64.她每天读一本书。

She a every day.

65.这里有一些精选的橘子吗?

there choice oranges here?

66.葡萄或桃子他都不喜欢。

He like grapes peaches.

67.伯德太太今天要一些肉吗?

Mrs. Bird want meat today? 68.她的丈夫不喜欢羔羊肉。

Her like 。

新概念英语第四册课文word版

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Lesson1 We can read of things that happened 5,000 years ago in the Near East, where people first learned to write. But there are some parts of the world where even now people cannot write. The only way that they can preserve their history is to recount it as sagas--legends handed down from one generation of story-tellers to another. These legends are useful because they can tell us something about migrations of people who lived long ago, but none could write down what they did. Anthropologists wondered where the remote ancestors of the Polynesian peoples now living in the Pacific Islands came from. The sagas of these people explain that some of them came from Indonesia about 2,000 years ago. But the first people who were like ourselves lived so long ago that even their sagas, if they had any, are forgotten. So archaeologists have neither history nor legends to help them to find out where the first 'modern men' came from.

新概念英语第三册课文及详解第课

Lesson 1 A puma at large Pumas are large, cat-like animals which are found in America. When reports came into London Zoo that a wild puma had been spotted forty-five miles south of London, they were not taken seriously. However, as the evidence began to accumulate, experts from the Zoo felt obliged to investigate, for the descriptions given by people who claimed to have seen the puma were extraordinarily similar. The hunt for the puma began in a small village where a woman picking blackberries saw 'a large cat' only five yards away from her. It immediately ran away when she saw it, and experts confirmed that a puma will not attack a human being unless it is cornered. The search proved difficult, for the puma was often observed at one place in the morning and at another place twenty miles away in the evening. Wherever it went, it left behind it a trail of dead deer and small animals like rabbits. Paw prints were seen in a number of places and puma fur was found clinging to bushes. Several people complained of 'cat-like noises' at night and a businessman on a fishing trip saw the puma up a tree. The experts were now fully convinced that the animal was a puma, but where had it come from? As no pumas had been reported missing from any zoo in the country, this one must have been in the possession of a private collector and somehow managed to escape. The hunt went on for several weeks, but the puma was not caught. It is disturbing to think that a dangerous wild animal is still at large in the quiet countryside. Language points Pay attention: The points below are not covered by the mp3. It is better for you to listen to the mp3 first and try to take notes by yourselves. 1,a puma at large at large 1:逃遁的,没有被控制的。

新版新概念英语第一册课文PDF

Lesson 1 Excuse me! 对不起! Listen to the tape then answer this question. Whose handbag is it? 听录音,然后回答问题,这是谁的手袋? Excuse me! Yes? Is this your handbag? Pardon? Is this your handbag? Yes, it is. Thank you very much. New Word and expressions 生词和短语 excuse v. 原谅 me pron. 我(宾格) yes

adv. 是的 is v. be 动词现在时第三人称单数 this pron.这 your possessive adjective 你的,你们的handbag n. (女用)手提包 pardon int. 原谅,请再说一遍 it pron.它 thank you 感谢你(们) very much 非常地

参考译文 对不起 什么事? 这是您的手提包吗? 对不起,请再说一遍。 这是您的手提包吗? 是的,是我的。非常 感谢! Lesson 3 Sorry, sir. 对不起,先生。 Listen to the tape then answer this question. 听录音,然后回答问题。这位男士有没有要回他的雨伞? My coat and my umbrella please. Here is my ticket. Thank you, sir. Number five. Here's your umbrella and your coat.

新概念英语第四册笔记-完整版

L1 Finding fossil man We can read of things that happened 5,000 years ago in the Near East, where people first learned to write. But there are some parts of the world where even now people cannot write. The only way that they can preserve their history is to recount it as sagas----legends handed down from one generation of storytellers to another. These legends are useful because they can tell us something about migrations of people who lived long ago, but none could write down what they did. Anthropologists wondered where the remote ancestors of the Polynesian peoples now living in the Pacific Islands came from. The sagas of these people explain that some of them came from Indonesia about 2,000 years ago. But the first people who were like ourselves lived so long ago that even their sagas, if they had any, are forgotten. So archaeologists have neither history nor legends to help them to find out where the first'modern men' came from. Fortunately, however, ancient men made tools of stone, especially flint, because this is easier to shape than other kinds. They may also have used wood and skins, but these have rotted away. Stone does not decay, and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace. New words and expressions recount /ri'kaunt/ v.叙述 / ' rei'kaunt/ 再数一次 record / ' rek[d/ /ri' kC:d/ 第一个音节带重音,名前动后 叙述:recount : emotionless 重复 describe depict: a little emotional narrate: temporal&spacial 根据时间或空间顺序描述。 portray:描述 saga /'sa:g[/ n.英雄故事描述的内容mostly real 北欧海盗活动的故事 legend /'ledV[nd/ n.传说,传奇 unreal e.g robin hood anthropologist/ 'AnWr['pCl[dVist/ n.人类学家 anthrop:人 philosophere :philo+sopher|爱+智慧=哲学家 philanthropist : 慈善家(对人有爱心的人) anthropology :人类学 带-gy结尾的都是学科:biology 生物学 geography 地理学 ecology 生态学 remote/ ri'm[ut/ n.遥远 ancestor / 'Ansest[/ n.祖先 an- 在前面 forefather,forebear ,predecessor祖先 rot/ rCt/ v.烂掉 leave me rot.=leave me along rot to death. soon ripe,soon rotten. decay 国家民族逐渐衰亡 decompose 逐渐衰竭 deteriorate关系逐渐恶化 trace /treis/ n.痕迹,踪迹 trace the problem i follow your trace=i follow where you go polynesia 波利尼西亚 poly-多 polyandric: a wife with more than one husband polygeny : a husband with more than one wife flint /flint/ n.燧石 flinting hearted fossil / ' fCsl/ n. 化石 cobble 鹅卵石 read of 读到 谈到:speak of ,talk of ,know of,hear of near east:近东 mediterranean, south europe,north afric far east 非限定性从句,表原因 oral(spoken) language is earlier than written language. precede :什么在什么之前,不用比较,直接跟名词 counterpart: two things or two people have the same position oral(spoken) language is earlier than written counterpart. preserve: 保留,保存(腌制) 如果句中有only,那后面的表语结构就要用to do sth,而不是doing sth. storyteller: 讲故事的人 fortuneteller, palmreader: 算命先生 migration :移民1)migrant 2)immigrant v. migrate:迁移,迁徙 migratory bird:候鸟 none: no body people+s 民族 if they had any: 即便是有 his relatives,if he had any,never went to visit him when he was hospitalized. find out千方百计,费尽周折=explore modern men :the men who were like ourselves however-anywhere you want ,加逗号 but,yet-不加标点,only at the beginning of the sentence therefore-自由

新概念英语第三册mp3附带lrc(英音版)打包下载

新概念英语第三册mp3附带lrc(英音版)打包下载 篇一:新概念英语学习汇总新概念英语学习汇总《新概念英语》(New Concept English)是闻名世界的英语教程。它通过完整的英语学习体系,帮助学生掌握英语听、说、读、写4项基本技能。本文搜罗了新概念英语的超多汇总,包括文本、音频下载等等,供大家学习! [大家网首发]外研社全四册新概念英语练习详解电子书下载(新版的详解) 1985NCE全四册竹影无风英音版(附旧版课本)新概念英语85年上外美音版第1-4册 (单复数课都有) 1997NCE(1-4册)英音CD转录版新概念英语1到3册词汇随身听(MP3+LRC) [1]新概念四册所需知识背景如下: NCE1 从零开始,无需任何基础知识。如果初学者已有一定的简单语法、词汇基础将更有助于教学的进行。 NCE2 1.对动词be和have的现在时和过去时会基本的应用; 2.能识别和构造现在进行时; 3.能识别和构成第三人称单数的一般现在时; 4.能识别和构成常规的和少数非常规动词的一般过去时; 5.能识别过去进行时; 6.能识别简单的现在完成时和过去完成时; 7.能识别和用going to,shall和will构造将来时; 8.会基本应用情态动词can,may和must,能识别情态动词could,might,would。 9.能用情态动词(包括do/does,did)构造疑问句和否定句; 10.能用情态动词和疑问词开头回答疑问句; 11.能用-ly,-ily构造副词,以及一些例外(如well,hard,fast); 12.定冠词和不定冠词,掌握a/an,the的基本应用,以及some,any,no,much,many,a lot of与可数及不可数名词的搭配;13.能用-s,-es,-ves构造名词,一些例外:men,women,children,teeth等; 14.代词的基本应用:人称代词,物主代词,反身代词;15.形容词的基本应用:规则比较级,不规则比较级:good,bad,much/many,little; 16.基本介词的应用:表示地点,时间,方向; 17.关系代词:识别和应用who/whom,which,that;18.句型:This/that;these/those;There is/it is;there are/they are;19.缩写:it s,I m,isn t,didn t等; 20.描述日期,星期,季节,数量,昨天,今天,明天,时间。 NCE3 口语方面: 1.能听懂用一般语速陈述的叙述和描述性的英语短文; 2.能回答需要简短回答的问题; 3.能提出需要简短回答的问题; 4.能使用少量基本句型; 5.在听过或读过一段英文短文后能叙述出主要内容。阅读方面: 1.能朗读一段不长于200字的短文,在允许不能完全发音准确的前提下掌握文章的

(完整版)新概念英语第一册课文版(最新整理)

Lesson1: Excuse me! Excuse me! Yes? Is this your handbag? Pardon? Is this your handbag? Yes, it is. Thank you very much. Lesson 3:Sorry sir. My coat and my umbrella please. Here is my ticket. Thank you sir. Number five. Here is your umbrella and your coat. This is not my umbrella. Sorry sir. Is this your umbrella? No, it isn't. Is this it? Yes, it is. Thank you very much. Lesson 5: Nice to meet you. Good morning. Good morning, Mr. Blake. This is Miss Sophie Dupont. Sophie is a new student. She is a French. Sophie, this is Hans. He is German. Nice to meet you. And this is Naoko.

She’s Japanese. Nice to meet you. And this is Chang-woo. He’s Korean. (朝鲜人) Nice to meet you. And this is Luming. He’s Chinese. Nice to meet you. And this is Xiaohui. She’s Chinese, too. Nice to meet you. Lesson 7: Are you a teacher? I’m a new student. My name’s Robert. Nice to meet you. My name’s Sophie. Are you French? Yes, I’m. Are you French, too? No, I’m not. What nationality are you? I’m Ital ian. Are you a teacher? No, I’m not. What’s your job? I’m a keyboard operator. What’s your job? I’m an engineer. Lesson 9: How are you today? Hello, Helen. Hi, Steven. How are you today?

新概念英语第四册课后练习答案完整版

新概念英语4答案,新概念英语第四册答案Unit 1 CABDD BDAAC AB Unit 2 BCBDC ACAAD BC Unit 3 CABDA CDABA CD Unit 4 ACCAB BCDAA BD Unit 5 CABAB DACBB DD Unit 6 CACCC AAADB AA Unit 7 DCABA BACDA AC Unit 8 BDABD BAABC BC Unit 9 CDBAA CABAC AD Unit 10 CAABD CBBDC AA Unit 11 AABDD DADDB DD Unit 12 CABAC CDACA AB Unit 13 ACDAC BDABC AD Unit 14 DBDCC ACCBD BD Unit 15 CADCD DBACA CA Unit 16 ABCCA DDBAB AC Unit 17 BBADA BBDCD CA Unit 18 BABCD CDCCC BA Unit 19 BBCAD AABDD BC Unit 20 BCADC CCBDB CA

Unit 21 BDBBA ADDAB CA Unit 22 CDACB ADBCD AB Unit 23 CADCC DCABC AC Unit 24 AACCB CADDA CD Unit 25 DBADD CACDB CA Unit 26 CBCBA CDDAB AC Unit 27 BCDCC ACCDD DA Unit 28 ADCDA BCADA BD Unit 29 CCADD CCADA BC Unit 30 CABDD BCCAC DC Unit 31 AABAD BADDC BD Unit 32 BDCBA DBDCA BC Unit 33 BDBAD BCCDC BA Unit 34 DCACB DACDB CA Unit 35 CBCAC ABBDC CD Unit 36 ACBCC ACCDB AC Unit 37 CABAC DBCDC BD Unit 38 CAABB ACBDD AB Unit 39 BCADA BDDBD BC Unit 40 DCDAC ADDDA DB

新概念英语第一册英语教案(全)

Lesson 1 Excuse me! 对不起! Lesson 2 Is this your…这是你的……吗? 一、教学目的 1.理解主系表结构的陈述、一般疑问式 2.初步掌握询问“是否”的方法 二、教学重点 1.主系表结构 2.一般疑问句 3.代词小引 三、教学难点 1.人称代词和物主代词的区分运用 2.主系表结构及其一般疑问句 四、教学标准 1.识别并简单运用主系表结构 2.掌握一般疑问句及肯定回答 五、教学内容 1.语法点: 1)代词人称代词和物主代词 2)Be 动词 3)一般疑问句 4)主系表结构this为主语,名词做表语 5)一般疑问句以及它的肯定回答

2.语言点: 1)打扰他人 2)表达谢意 3.语音:初步知识,字母、音标介绍六、扩展练习 1.打扰他人的表达 2.表达谢意

Lesson 3 Sorry, sir. 对不起,先生。Lesson 4 Is this your…这是你的……吗? 一、教学目的 1.理解并运用主系表结构的陈述、一般疑问式 2.掌握询问“是否”的方法 二、教学重点 1.主系表结构 2.一般疑问句 3.代词形容词性物主代词 三、教学难点 1.人称代词和物主代词的区分运用 2.主系表结构及其一般疑问句 四、教学标准 1.识别并简单运用主系表结构 2.掌握一般疑问句及否定回答 五、教学内容 1.语法点: 1)否定陈述句 2)Be动词的否定形式 3)代词的功能 4)一般疑问句及否回答 5)形容词性物主代词 2.语言点:

1)询问“是否” 2)表达歉意 3.语音:字母、音标介绍 六、扩展练习 1.询问“是否” 2.向别人道歉

(完整版)旧版新概念英语第四册文本

Lessorfl Finding fossil man We can read of things that happened 5,000 years ago in the Near East, where people first learned to write. But there are some parts of the world where even now people cannot write. The only way that they can preserve their history is to recount it as sagas-legends handed dow n from one gen e ratio n of story-tellers to ano ther. These lege nds are useful because they can tell us something about migrations of people who lived long ago, but none could write down what they did. Anthropologists wondered where the remote ancestors of the Polynesian peoples now living in the Pacific Islands came from. The sagas of these people explain that some of them came from Indonesia about 2,000 years ago. But the first people who were like ourselves lived so long ago that even their sagas, if they had any, are forgotten. So archaeologists have n either history nor lege nds to help them to find out where the first 'modern merT came from. Fort un ately, however, ancient men made tools of st one, especially flint, because this is easier to shape tha n other kin ds. They may also have used wood and skins, but these have rotted away. Stone does not decay, and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace. Lesson2 Spare that spider Why, you may won der, should spiders be our friends ? Because they destroy so many in sects, and in sects in elude some of the greatest en emies of the huma n race. In sects would make it impossible for us to live in the world; they would devour all our crops and kill our flocks and herds, if it were not for the protection we get from insect-eating animals. We owe a lot to the birds and beasts who eat in sects but all of them put together kill only a fraction of the nu mber destroyed by spiders. Moreover, un like some of the other in sect eaters, spiders n ever do the least harm to us or our belongings. Spiders are not in sects, as many people think, nor even n early related to them. One can tell the differe nee almost at a glance for a spider always has eight legs and an in sect n ever more than six. How many spiders are engaged in this work on our behalf ? One authority on spiders made a census of the spiders in a grass field in the south of England, and he estimated that there were more than 2,250,000 in one acre, that is something like 6,000,000 spiders of different kinds on a football pitch. Spiders are busy for at least half the year in killi ng in sects. It is impossible to make more than the wildest guess at how many they kill, but they are hungry creatures, not content with only three meals a day. It has been estimated that the weight of all the in sects destroyed by spiders in Britai n in one year would be greater tha n the total weight of all the human beings in the country. Lesson3 Matterhorn man Modern alpinists try to climb mountains by a route which will give them good sport, and the more difficult it is, the more highly it is regarded. In the pioneering days, however, this was not the case at all.

旧版新概念英语第三册与新版不同的课文整理

Passage 7 Crazy Children often have far more sense than their elders. This simple truth was demonstrated rather dramatically during a civil defence exercise in a small town in Canada. Most of the inhabitants were asked to take part in the exercise during which they had to pretend that their city had been bombed. Air-raid warnings were sounded and thousands of people went into special air-raid shelters. Doctors and nurses remained above ground while police patrolled the streets in case anyone tried to leave the shelters too soon. The police did not have much to do because the citizens took the exercise seriously. They stayed underground for twenty minutes and waited for the siren to sound again. On leaving the air-raid shelters, they saw that doctors and nurses were busy. A great many people had volunteered to act as casualties. Theatrical make-up and artificial blood had been used to make the injuries look realistic. A lot of People were lying ‘dead’ in the streets. The living helped to carry the dead and wounded to special stations. A child of six was brought in by two adults. The child was supposed to be dead. With theatrical make-up on his face, he looked as if he had died of shock. Some people were so moved by the sight that they began to cry. However, the child suddenly sat up and a doctor asked him to comment on his death. The child looked around for a moment and said, ‘I think they’re all crazy!’ Passage9 A Trip to Mars By now, a rocket will have set off on its 315million mile trip to Mars and scientists must be waiting anxiously for the results. The rocket will be travelling for nine months before it reaches the planet. It contains a number of scientific instruments, including a television camera. Any pictures that are taken will have to travel for three weeks before they reach the earth. If the pictures are successful, they may solve a number of problems about Mars and provide information about the markings on its surface which, nearly 100 years ago, the astronomer, Schiaparelli, thought to be canals. It will be a long time before any landing on Mars can be attempted. This will only be possible when scientists have learnt a lot more about the atmosphere that surrounds the planet. If a satellite can one day be put into orbit round Mars, scientists will be able to find out a great deal. An interesting suggestion for measuring the atmosphere around Mars has been put forward. A rubber ball containing a radio transmitter could be dropped from a satellite so that it would fall towards the surface of the planet. The radio would signal the rate which the ball was slowed down and scientists would be able to calculate how dense the atmosphere is. It may even be possible to drop a capsule containing scientific instruments onto the planet’s surface. Only when a great deal more information has been obtained, will it be possible to plan a manned trip to Mars.

新概念英语第一册(1-9)

]新概念第一册 Lesson 1Excuse me! 对不起! Whose handbag is it? 它是谁的手提包? Excuse me!Yes?Is this your handbag? 对不起.什么事?这是您的手提包吗? Pardon?Is this your handbag? 对不起,请再说一遍.这是您的手提包吗? Yes,it is.Thank you very much. 是的,是我的.非常感谢! Whose handbag is it? 它是谁的手提包? It’s the woman’s. 它是那个妇女的。 Lesson 3 :Sorry,sir. 对不起,先生. Does the man get his umbrella back? 这位先生找回他的伞了吗? My coat and my umbrella please. 请把我的大衣和伞拿给我. Here is my ticket. 这是我(寄存东西)的牌子. Thank you,sir.Number five. 谢谢,先生.是5号. Here’s your umbrella and your coat. 这是您的伞和大衣. This is not my umbrella.Sorry,sir. 这不是我的伞.对不起,先生.

Is this your umbrella?No,it isn’t. 这把伞是您的吗?不,不是! Is this it?Yes,it is.Thank you very much. 这把是吗?是,是这把.非常感谢. Does the man get his umbrella back? 这位先生找回他的伞了吗? Yes,he does. 是的,他找到了。 Lesson 5:Nice to meet you. 很高兴见到你. Is Chang-woo Chinese? 昌宇是中国人吗? MR.BLAKE:Good morning. 早上好. STUDENTS:Good morning,Mr.Blake. 早上好.布莱克先生. MR.BLAKE:This is Miss Sophie Dupont. 这位是索菲娅.杜邦小姐. Sophie is a new student.She is French. 索菲娅是个新学生.她是法国人. MR.BLAKE:Sophie,this is Hans.He is German. 索菲娅,这位是汉斯.他是德国人. HANS:Nice to meet you. 很高兴见到你. MR.BLAKE:And this is Naoko.She's Japanese. 这位是直子.她是日本人. [01:11.34]NAOKO:Nice to meet you -很高兴见到你! MR.BLAKE:And this is Chang-woo.He's Korean.

新概念英语第四册:Lesson 22

新概念英语第四册:Lesson 22 Lesson 22 Knowledge and progress 知识和进步 First listen and then answer the following question. 听录音,然后回答以下问题。 In what two areas have people made no 'progress' at all? Why does the idea of progress loom so large in the modern world? Surely because progress of a particular kind is actually taking place around us and is becoming more and more manifest. Although mankind has undergone no general improvement in intelligence or morality, it has made extraordinary progress in the accumulation of knowledge. Knowledge began to increase as soon as the thoughts of one individual could be communicated to another by means of speech. With the invention of writing, a great advance was made, for knowledge could then be not only communicated but also stored. Libraries made education possible, and education in its turn added to libraries: the growth of knowledge followed a kind of compound interest law, which was greatly enhanced by the invention of printing. All this was comparatively slow until, with the coming of science, the tempo was suddenly raised. Then knowledge began to be accumulated according to a systematic plan. The trickle became a stream; the stream has now become a torrent. Moreover, as soon as new knowledge is acquired, it is now turned to practical account. What is called 'modern

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