Module 9 Great inventions Unit 3 Language in use课件33张

M9 Unit 3 Language in use
初三年级 英语
What kind of sentences are mainly used to talk about the inventions?
Computers and the Internet are used in classrooms now, and newspapers and magazines are already read online.
Paper was first created about 2,000 years ago in China.
They’ll be put up on the school website.
They can be seen on the Internet by other classes.
被动语态（Passive voice）
Present simple passive
Computers and the Internet are used in classrooms now, and newspapers and magazines are already read online.
主语 + am/is/are + done（+ by + 动作执行者）
Paper was first created about 2,000 years ago in China.
主语 + was/were + done（+ by + 动作执行者）
Past simple passive
They’ll be put up on the school website.
主语 + will + be + done（+ by + 动作执行者）
主语 + am/is/are going to + be + done（+ by + 动作执行者）
Future simple passive
Will books be replaced by the Internet?
Will + 主语 + be + done（+ by + 动作执行者）
Am/Is/Are + 主语 + going to + be + done（+ by + 动作执行者）
Paper books will not be replaced by the Internet.
主语 + will not/am/is/are not going to + be + done（+ by + 动作执行者）
Future simple passive
When will the homework be finished?
特殊疑问词 + will + 主语 + be + done（+ by + 动作执行者）
特殊疑问词 + am/is/are + 主语 + going to + be + done
（+ by + 动作执行者）
Complete the sentences and conversations.
books (replace) by computers in the future?
My bike is broken. It (fix) tomorrow.
Will
be replaced
will be fixed
— Dad, can I use the Internet this evening?
— Yes, but the computer is not on yet. The
electricity (not connect)
until nine o’clock.
the problem (talk about) at the meeting tomorrow?
will not be connected
Will
be talked about
Complete the sentences and conversations.
Who (invite) to give a report about great inventions next Friday?
— When the work (finish)?
— In two days.
will be invited
will
be finished
Complete the sentences and conversations.
Listen and find out where the speaker is. (Activity 5)
In a school library.
In the British Library.
In the British Museum.
… so here in the British Library, they were copied onto a computer a few years ago.
Listen again and answer the questions.
(Activity 6)
Why were so few books produced in ancient times?
Why were many old books copied onto a computer?
How has the computer helped people read old books in the British Library?
Why were so few books produced in ancient times?
Because they were written by hand.
Check the answers.
… Each one was written by hand, so very few books were produced…
Check the answers.
Why were many old books copied onto a computer?
Because they are too valuable to be picked up and held in the hand.
But the early books are now too valuable to be picked up and held in the hand, so here in the British Library, they were copied onto a computer a few years ago…
Old books were copied onto a computer a few years ago for people to be able to read them without touching them.
Check the answers.
How has the computer helped people read old books in the British Library?
… so here in the British Library, they were copied onto a computer a few years ago. Have a look at the screen here. You can turn the pages on the screen, without touching the real books.
Think about where the Internet came from.
Read the passage and choose the best title. (Activity 7)
The history of the Internet
The World Wide Web
The Internet and the Web
The future of the Internet
How can we choose the best title?
The Internet has been around for many years, but it was the invention of the World Wide Web that made it really useful to people. Together, the Internet and the World Wide Web have changed the world…
Technology changes quickly, and it is hard to imagine what the future of the Internet and the Web will be. But it seems impossible to imagine life without them.
The history of the Internet
The World Wide Web
The Internet and the Web
The future of the Internet
Read the passage and choose the best title. (Activity 7)
Read again and complete the chart.
In the 1960s
The Internet was invented for the army to use.
Check the answers.
In the 1970s
Scientists and businesspeople wanted to use the Internet to send and receive messages.
Check the answers.
In 1991
The World Wide Web was invented.
Check the answers.
In the 1990s
More and more people started to use the Internet to send various types of files.
Check the answers.
Today
The Web has hundreds of millions of users. It has changed the way people live, work and play.
Check the answers.
Read the passage and take notes about the key information of the passage.
Around the world — E-books
Just as email has changed the way we write to each other, e-books are changing the way we read. We can easily download new e-books from the Internet. It is much easier and quicker to search for passages now, and we can also write notes in an e-book. What is more, they save a lot of paper.
Advantages of e-books.
1
2
3
4
Read the passage and take notes about the key information of the passage.
But e-book readers are still more expensive than paper books, so not all people can afford them.
Disadvantages of e-books.
Read the passage and take notes about the key information of the passage.
However, with the rapid development of electronic technology, reading e-books will become cheaper and cheaper. A lot of people think there will be more e-books than paper books in the near future.
The future of e-books.
Summary
{5940675A-B579-460E-94D1-54222C63F5DA}E-books
Advantages
Disadvantages
The future
easily download new e-books
easier and quicker to search for passages
write notes
save a lot of paper
more expensive
cheaper and cheaper
more e-books
Write a passage about an invention that has changed our lives.
What is it?
Why is it useful?
How has it been developed?
What is it?
It’s a plane.
Why is it useful?
Because people can go to other places more easily and quickly.
How has it been developed?
It was invented by Wright Brothers in 1903. The first flight lasted only 12 seconds and covered only 120 feet. Later, it was improved and became much faster. Now, some planes are widely used in the military field (军事领域) while others are used in the commercial airlines (商业航线).
A plane has changed our lives. It was invented by Wright Brothers in 1903. The first flight lasted only 12 seconds and covered only 120 feet. Later, it was improved and became much faster. Now, some planes are widely used in the military field while others are used in the commercial airlines. It’s very useful in our lives because people can go to other places more easily and quickly.
Sample
选择一个你感兴趣的发明，上网查找相应资料，基于以下三个问题完成一篇英文短文。
What is it?
Why is it useful?
How has it been developed?
Homework
Thank you!