Module 4 Great Inventions

Unit 3 Language practice

Language practice

Paper and printing have been used for ages.The battery hasn’t been changed for a couple of months.Has it been published yet?

Information can be kept on CD-ROMs.Books could only be produced one at a time.Can books be replaced by computers?

现在完成时的被动语态： have/has （ not ） been + 过去分词

情态动词的被动语态： 情态动词（ not ） + be + 过去分词

表格：被动态基本结构时态 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一般将来时过去将来时现在完成时过去完成时

am/is/are done

was/were done

am/is/are being done

was/were being done

shall/will be done

would be done

have/has been done

had been done

几种特殊结构 1.My uncle gave me a gift on my birthday ．

2.We often hear him play the guitar ．

•I was given a gift on my birthday ．•A gift was given to me on my birthday.

•He is often heard to play the guitar•注意： see,watch,hear,notice,feel,make, listen to, look at 等动词 / 短语后作宾语补语的不定式都不带 to ；但改成被动语态后必须带 to 。

A recorder is used in our English class every day.

recorder

English class

Let‘s practice ！！

use …for

Often play

Football is played all over the world.

A camera is used for taking photos.

Let‘s practice ！！

rob yesterday

send uplast year

A man-made satellite was sent up into space last year.

A bank was robbed yesterday.

Let‘s practice ！！

must plant

cover with in a few years’time

The tree must be planted on the ground.

The ground will be covered with trees in a few years’ time.

Let‘s practice ！！

send to

right now

a tall give soon

They will be sent to the hospital right now.

A talk will be given soon.

digThe earth is being dug now.

eat up

already

The food has been eaten up already.

ExercisesComplete the sentences with the correct form of the words.

1.I think one day books may ___________(place) completely.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.4. Paper should not _________(throw) away.5. Books and other material can _____________(borrow) from the library.6. I’ve bought a second-hand MP3 player—and about 1,000 songs have _________________(download) onto it!7. Has the computer ________________(repair) yet? I need to write my article with it.8. What have ________________(turn on)? The radio.

be borrowed

has been left

hasn’t been charged

be thrown

be placed

been downloaded

been turned on

been repaired

ExercisesComplete the quiz questions and choose the correct answer.

1. Who/ pyramids/ build? Who were the pyramids built by?a) The Egyptians b) The Ancient Greeks c) The Romans

2. What/ use/ to make paper since the 19th century?

a) Wood b) Silk 　 c) Cotton3.Where/ the story of Romeo and Juliet / set?

a) In New York b) In Athens c) In London4.where/ the world’s oldest book printed on paper/ discover? a) In India b) In China c) In Egypt5.How long/ computers/ use?a) For less than 50 years. b) For 50 years c) For more than 50

What was used to make paper since the 19th century?

Where was the story of Romeo and Juliet set?

ExercisesMake questions and write answers.

What/ shouldn’t /do/with paper? (waste)--What shouldn’t be done with paper?--It shouldn’t be wasted.

1. what/can/use/to make paper? (many things)

2. What/ might/use/to replace books one day? (computers)

3. how/must/printers/keep? (in good conditions)

4. Where/can/music/keep? (on MP3 players)

How has the place changed?

Use these words:add, change, open, paint,put, turn on, take away,

The windowThe capThe lightThe basketballThe sweaterThe paintingTwo chairsThe booksThe dishes

have/has been

ExercisesComplete the passage with the correct form of the words.

From about 500 BC, pens __________ for writing. The feathers of large birds___________ and dried. The point of each feather was sharpened. 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.Many years later, the fountain pen ____________ from these early pens.In 1950, a European called Laszlo Biro invented the ballpoint pen. The popularity of writing _________quickly with the ___________ of theballpoint pen. Even today, ballpoint pen, or Biros, as they _____________,are much less expensive, compared with the fountain pens.

were usedwere cleaned

were writtenwas invented

call, clean, develop, introduce, invent, produce, spread, use, write

spread

was developed

are calledintroduction

were produced

ExercisesComplete the sentences with the phrases in the box.

1. Could you imagine a digital image of Yao Ming on the wall _____________ a poster? 2. Things made _____________ are usually more expensive than those produced in factories. 3. ____________ how old books are actually downloaded onto computers… 4. I haven’t seen my best friend________________! 5. We’re using too much paper. ____________, I’m going to read all my magazines online.

rather thanby hand

from now on

for ages

by hand, for ages , from now on, I wonder, rather than

I wonder

Around the worldE-book As we can send mail by email, we can read books by e-book now. E-books first appeared in the 1990s and have made great improvement in technology. Notes can be written on the e-book, new books can be easily downloaded from the Internet, and it’s muchEasier and quicker to search for passages. What’s More, a lot of paper will be saved. Nowadays, the most Advanced e-book is about 620g, 18cm long, 12cmwide and 2cm thick. It looks like a real book. But the E-book is more expensive than paper books, so not many people can afford it. However, with the rapid progress of electronic technology, the e-book will become more convenient and cheaper. It is said that in the near future, there will be more e-books than paper books.

Module task

Discuss how to improve inventions

Good-bye