Unit 3

Language in use

Paper and printing have been used for ages.

The battery hasn’t been changed for a

couple of months.

Has it been published yet?

现在完成时的被动语态 : have/ha

s (not) been + 过去分词

Information can be kept on CD-

ROMs.

Books could only be produced one at a

time.

Can books be replaced by computers?

情态动词的被动语态 : 情态动词 (not)

+ be + 过去分词

时态 被动语态结构一般现在时一般过去时现在进行时过去进行时

am/is/are + done

was/were + done

am/is/are being + done

was/were being + done

一般将来时过去将来时现在完成时过去完成时

shall/will be + done

would be + done

have/has been + done

had been + done

A recorder is used in our English class

every day.

recorder

English class

every day

use…for

often play

Football is often played all

over the world.

A camera is used for

taking photos.

rob yesterday

send uplast year

A man-made satellite was

sent up into space last year.

A bank was robbed

yesterday.

must plant every year

cover with

in a few years’ time

A lot of trees must be

planted every year.

The ground will be

covered with trees in

a few years’ time.

should send to

right now

a tall give soon

They should be sent to

the hospital right now.

A talk will be given soon.

dig now

The earth is being dug now.

eat up

already

The food has been eaten up already.

compass

paper

gunpowder

printing

Four great inventions in ancient China

printing

Bi Sheng Song Dynasty for a long timemake books produce quickly

Listen and tell whether the st

atement is true or false.

1.They are in British Library.( )2.Today, a printer can produce hundreds of books in a day. ( )3.One book might take many months to produce.( )4.Books can be downloaded on to computers in any library.( )5.Some books are downloaded on to computers because they are too ancient to hold.( )

T

FT

F

T

1. Each choose an invention (e.g. the

computer, the television or the car).

2. Research how your invention has been

developed, and make notes about what

you find out.

eg: The old kind of bicycle was big and heavy.It couldn’t be ridden very fast. With the development of( 随着…的发展 ) the technology, it has a big improvement （很大的改进） . The new kind of the bicycle is smaller and lighter. Some of them can even be folded ( 折叠） .And the mountain-climbing bicycles are much lighter and can be ridden in a higher speed.

Discuss the improvement of inventions

Read the passage E-book, and

answer the questions.

( )1. E-books were invented_______.

A. in 1990

B. for ten years

C. in the 1990s

D. twenty years ago

C

( )2. Which of the following is NOT

mentioned in the passage?

A. If you have an e-book, you can write

on it.

B. We should buy more e-books to save

paper.

C. E-books will be more convenient.

D. Maybe there will be more e-books in

the future.

B

( )3. Though e-books are far more

advanced than paper books, not

many people buy them because ___.

A. they’re hard for people to use

B. they’re not as cheap as paper books

C. there aren’t enough e-books

D. people don’t know where to buy them

B

( )4. The most advanced e-book today is

about ____kg.

A. 0.18 B. 0.12 C. 0.02 D. 0.62

( )5. What will the future e-books be like?

A. They will be more popular.

B. They will be like paper books.

C. They will be more expensive.

D. They will be thicker.

D

A

Write down your discussion on

your composition book.

Complete the sentences with the

correct form of the words.

1. I think one day books may ___________

(place) by computers.

2. My bike _______ (leave) at school, so I

have to take the bus to school today.

3. The battery __________________

(charge) yet. How can I use my

recorder?

was left

hasn’t been charged

be replaced

4. Paper should not _________ (throw)

away.

5. Books and CDs can ___________

(borrow) from the library.

6. I’ve bought an MP3 player—and

about 1,000 songs have

_______________ (download) onto it!

be borrowed

be thrown

been downloaded

7. Has the pen ____________

(mend) yet? I need to write my

article with it.

8. What have ______________ (turn

on)? The radio?

been turned on

been mended

1. what/ use/ to make paper since the

19th century?

What has been used to make pape

r since the 19th century?

a) Wood. b) Sil

k. 　 c) Cotton.

Work in pairs. Complete the quiz

questions and choose the correct

answer.

2. where/ the story of Romeo and

Juliet / set?

Where is the story of

Romeo and Juliet set?

a) In New York.

b) In

Athens.

c) In London.

3. where/ the world’s oldest paper/ discover?

Where was the world’s oldest paper discovered?

a) In India. b) In China. c) In Egypt.

4. how long/ computers/ use? How long have computers been

used? a) For less than 50 years. b) For 50 years.

c) For more than 50 years.

Make questions and write answers.

what / shouldn’t /do / with batteries?

(throw away)

--What shouldn’t be done with batteries?

--They shouldn’t be thrown away.

1. what / can / use / to make paper?

(many things)

What can be used to make paper?

Many things can be used (to make

paper).

2. what / might / use / to replace

books one day? (computers)

What might be used to replace

books one day?

Computers might be used (to replace

books one day).

3. where / can / music / keep? (on

MP3 players)

Where can music be kept?

It can be kept on MP3 players.

Complete the passage with the

correct form of the words in the box.

From about 500 BC, pens _________

for writing. The feathers of large

birds ___________ and dried. The

point of each feather was sharpened.

clean develop introduce invent

produce spread use write

were used

were cleaned

Then people used them to write with

ink. Many famous works, such as

Shakespeare’s plays, ___________ with

these pens. Then, in the 18th century, a

pen with a steel writing point

___________. Only a few words could

___________, however, before the writer

had to fill the pen with ink again.

were written

was invented

be produced

Many years later, the fountain pen

____________ from these early pens.

In 1950, a European invented the

ballpoint pen. The popularity of writing

______ quickly with the ___________ of

the ballpoint pen. Even today, ballpoint

pens are much less expensive, compared

with fountain pens.

spread

was developed

introduction

Listen again and answer

the questions.

1. Why did it take a long time to produce

a book in ancient times?

Because each one was written by hand.

2. Why do many old books have to be

kept away from the public?

Because they have to be kept safely

away from danger.

3. How has the invention of the

computer helped to make these

books easier for people to read?

The ancient books are downloaded

onto a computer so everyone can

read them.4. How can the pages of a book on a

computer be turned?

By pressing a button.

Complete the sentences with the

phrases in the box.

1. Could you imagine a digital image

of Yao Ming on the wall

__________ a poster? rather than

by hand for ages

from now on rather than

2. Things made _______ are usually

more expensive than those produced

in factories.

3. I haven’t seen my best friend

_______!

4. We’re using too much paper.

____________, I’m going to read all

my magazines online.

by hand

From now on

for ages

eg: The old kind of bicycle was big and heavy.It couldn’t be ridden very fast. With the development of( 随着…的发展 ) the technology, it has a big improvement （很大的改进） . The new kind of the bicycle is smaller and lighter. Some of them can even be folded ( 折叠） .And the mountain-climbing bicycles are much lighter and can be ridden in a higher speed.