1. 外研社九年级英语上M4U2 Books could be produced more quickly and cheaply

2. Module 4 Great inventions
Unit 2. Books could be produced
more quickly and cheaply.
1.80元

3. Activity 1. Work in pairs. Read the title of the passage
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.

4. Books Advantages Disadvantages 1. get dust on shelves 2.take up space
at home
3.can be expen-
sive
4.Use trees,
so not environmentally
1. easy to get and use
2. often cheap;
3. better than watch-
ing the computer’s
screen;
Books

5. Advantages Disadvantages Computers . 1.keep lots of information
2.Many ”books” are free
3.Easy to find lots of more obscure “books”
1. Expensive
2. Need to know how to use it correctly
3. Use electricity
4.You can lose everything if it “crashes”
5. Not pleasant to read on screen, need to print out
Computers
4..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.

6. Activity 2. Read the passage and match the main ideas with the paragraphs.
a The world before books
b The invention of printing
c Life on paper and in print
d Technology and books
e Can books be replaced by computers?

7. Can books be replaced by computers?

8. Every morning my father buys a newspaper on his way to work.
buy a newspaper
Every morning my father buys a newspaper on his way to work.

9. looks through(1) magazines
Every evening my mother looks through magazines at home.

10. open my books
Every day I open my books in class and start my lessons.

11. look at the posters with photos of David Beckham and Yao Ming.
Every night, I look at the posters with photos of David Beckham and Yao Ming on my bedroom wall.

12. Read the first passage and answer the questions.
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? P1
Which does the passage match with, a, b, c, d or e?
c. Life on paper and in print

13. create(2) paper
Paper was first created about 2,000 years ago.

14. silk
cotton(3)
paper
bamboo
Paper has been made from(4) silk, cotton and bamboo

15. paper
wood(5)
Since 19th century, paper has been made from
wood.

16. produce(6) books one at a time(7)
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.

17. P2 Read the second passage and answer the questions.
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 weren’t many books, few people learned to read. P2

18. 2. Why were books expensive and rare before the invention of printing?
Which does the passage match with, a, b, c,
d or e?
a. The world before books
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 were first created?
Paper was first created about two thousand years ago.
Books were first created soon after paper.

19. 4. Were books produced by hand or by machine at first?
Books were produced by hand.

20. paper
ink(8)
wooden block(9)
The first printed books were made by putting
ink on a wooden block and holding the paper
against it

21. At the beginning of(10) the 11th century,
1.80元
At 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.

22. quickly, in a way that can be compared with
internet
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.

23. Read 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. P3

24. 2. Why did ideas spread more quickly when books became cheaper
Which does the passage match with, a, b, c, d
or e?
b. The invention of printing
2. Why did ideas spread more quickly when
books became cheaper
Because more people learned to read and
bought books.
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.

25. books
internet
Information can be received online, downloaded from the Internet rather than(14) found in books.

26. CD-ROM(15)
MP3 players
Information 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.

27. Read the fourth passage and answer the questions.
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 . P4
Which does the passage match with, a, b, c, d
or e?
d. Can books be replaced by computers?

28. 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.

29. Computers are already used in classrooms.

30. newspaper
magazine
Newspapers and magazines can be read online.

31. ---Will books be replaced by computers one day?
---In Tony’s opinion, books will not be replaced
by computers .

32. Such as: The Yao Ming poster will be replaced by a computer two meters high.

33. Read the fifth passage and answer the questions.
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 don’t think the Yao Ming poster on my bedroom wall will ever be replaced by a computer two meters high! P5
Which does the passage match with, a, b, c, d
or e?
e. Can books be replaced by computers?

34. 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.

35. Today, ideas spread by the Internet, TV,
radio, books, etc.

36. Words and expressions 【归纳· 拓展】look 构成的词组 (1). look after 照看
1. look through 浏览/查阅
He looked through many books in order
to find the correct answer.
【归纳· 拓展】look 构成的词组
(1). look after 照看
(2). look around
四下里看
(3). look at 看着
(4). look down
向下看
(5). look for 寻找

37. (6). look forward to (7). look into… 向……里看 (8). look like 看起来像
期待, 期望, 盼望, 渴望
(7). look into…
向……里看
(8). look like
看起来像
(9). look out 当心
(10). look out for…
当心…
(11).look out of …
向…外面看
(12). look up
查找, 向上看
(13). look over
仔细检查

38. The table is made of wood. 5. wood 木头, 木材 拓展： woods 意为: 森林 wooden 木制的
2. create
创造, 创作
An artist should create beautiful things.
3. cotton 棉花
4. be made from---
由…材料制成(看不出材料)
Paper is made from wood.
比较: be made of----
由……材料制成 (看
得出原材料)
The table is made of wood.
5. wood
木头, 木材
拓展：
woods
意为: 森林
wooden 木制的

39. 6. produce 生产
拓展：production n. 生产
product n. 产品 一次
7. at a time
Please come in one at a time, not all together.
【归纳 ·拓展】
(1). in time 及时
(2) . on time 按时
(3). all the time 一直总是
(4). at the same time 同时
(5). from time to time 有时；偶尔

40. (6). have a good time 过得快乐
8. ink 墨水
板子, 街区
9. block
10. at the beginning of…
在......的开始
We often feel very happy at the beginning
of the new term.
11. knowledge 知识
Knowledge is power.
12. spread 作不及物动词用，意为: 传播, 如：
The news spread quickly and soon every-
one knew it.

41. The factory develops very quickly with the introduction of the new
13. Introduction n.
(1). 引/传入. 引/传进.
The factory develops very quickly
with the introduction of the new
technology.
(2). 介绍
self-introduction n. 自我介绍
She was shy on her first intro-
duction to him.
拓展； introduce v. 介绍, 引入/引进

42. 14. rather than
而不是...
Everybody likes to go to the cinema this evening rather than stay at home.
1 5. CD-ROM
只读光盘,只读光盘存储器
已学旧词组：
1. on one’s way (to) s. p.
在某人去某地去的路上
2. by hand
用手工
3. as a result
结果(是)
4. after that
在那以后

43. 5. compare…with…
把和相比较
6. in a way
用一种方法
7. Such as 例如
8. MP3 player
MP3播放器
9. so that
以便, 为了, 目的是
10. one day
有一天, 总有一天

44. Activity 3. Read the passage again. Make notes to complete the timeline.
2,000 years ago
11th century
today
in the future
2,000 years ago
Paper was first created.
11th century
Printing was developed.
information can received
online and downloaded
from the Internet
Today
Books may (not) be replaced by computers
In the future

45. Paper was first created about two thousand 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 replaced
by computers.

46. Activity 6. Complete the sentences.
It’s hard to imagine life without paper or
Print because---
people are used to that\that has been used for many years.
2. Books could only be produced one at a
time because---
they were written by hand.
或者: printing wasn’t invented at that time.

47. 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.
或者: people can read on computers.
5. Books will never be replaced by computers
because--
people like books. People are used to reading paper books.

48. Activity 7. Look at how to give reasons /results
as a result
because so
so that
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

49. 3. More people learned to read in the 11th
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
won’t be needed in the future?
Computers are used and newspapers and
magazines can be read on line so that books
won’t be needed in the future.

50. 含有情态动词的被动语态: 情态动词+be+及 物动词过去分词(情态动词有：can/could,
may/might, must, shall/should, will/would,
等.)
You can buy computers quite cheaply now.
Computers can be bought quite cheaply now
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.
must be read
can be understood

51. 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.
could not be found
could not be used
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
can be done
must not be taken
the library.

52. 过关练习 一. 中英对译 1.书能被计算机替代。 Books _____________ by computers.。
can be replaced
2.书不能被计算机代替。
Books _________________by computers
can not be replaced
3.书能被计算机替代吗？
___books___________ by computers?
Can
be replaced
4. 什么时候书能被计算机代替呢？
When____ books ____________ by computers?
can
be replaced

53. Clothes______________.
5. 可以做作业了。
Homework___________.
6. 可以照相片了。
Photos ____________.
7.应该洗衣服。
Clothes______________.
can be done
can be taken
can be washed
二. 将下列句子变为含情态动词的被动语态
1.We won’t need paper.
Paper won’t be needed.
2.We will publish it on the school website.
It will be published on the school website by us.

54. 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
information on computers.
The same information can be read and even be listened to on computers by us.

55. Summary: 各种时态的被动语态构成 am/is /are + 及过分 一般现在时： 一般过去时： 一般将来时：
情态动词：
现在完成时：
过去完成时：
was/were + 及过分
will + be + 及过分
can/could, may/might, must, shall/should + be + 及过分
have/has + been + 及过分
had + been +及过分

56. ( )2. I don’t think sixteen–year–olds should ____ to go to bars .(酒吧）
( )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 don’t think sixteen–year–olds should
____ to go to bars .(酒吧）
A. allow B. be allowing
C. be allowed D .not allow

57. ( )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

58. ( )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. mustn’t carry
C. must be carried D. be carried

59. What can you do with your
homework
What can you do with your
computer?

60. typewriting
shopping
sending s
listening to music

61. playing games
watching TV and movies
reading newspapers and magazines
having classes

62. and so on…