Unit 4 The Internet Connects Us Lesson 21 Books or Computers? 课件(共19张PPT)

Lesson21:
Books or Computers?
In ancient times,there are no books.
How can we get knowledge?
By telling stories.
How can we get knowledge now?
By talking with others.
By watching TV.
By reading books/e-books.
导入
Learning aims

1. We can master the key words and phrases.
2. We can master the history of books.
3. We can realize the importance of reading.
预习检测：

1. The computer appeared ( ) in 20th century.
2. Modern( ) technology has changed our lives.
3. The boy is reading a new electronic ( ) book in his bedroom.
4. Jenny wants to sell( )her old car to Danny for 800 dollars.
5. How much did they pay for the new press ( )?
Have a try .
出现
现代的
电子的
卖
印刷机
New words
press
appear
modern
electronic
sell
小组展示：
pass on
by hand
printing press
keep on
Phrases
传递
用手；手工
印刷机
继续
Listen the passage and answer the questions.
1.How did people pass on their knowledge without books in ancient times?

2.What made it possible to print books quickly?

3.What kind of books quickly changed people’s reading habits?
By telling stories

The printing press.


The electronic books(e-books).
Read the lesson and put the sentences in the correct order.
It took a long time to write just one book.
It made it possible for common people to read
books.
The e-book appeared.
People had no books, and they shared
knowledge by telling stories.
The printing press appeared.
People download books from the Internet.
With paper, people began to write down stories.
3
5
6
1
4
2
7
We know that three things have important influence on the development of books by reading. What are they?
First ,it is the invention of _______.
Second, _______________appeared.
Third, ____________________ were invented.
paper
the printing press
the computer and the Internet



Paper


Read the lesson again and fill in the blanks.
With paper, people began to _____ _______ their stories. People wrote each word ________. It took a____
time to write one book.__________
couldn’t travel far .
Information
by hand
long
write
down



Printing
press



When the printing press _________, it changed the world. The ________ printing press can print books ________, and makes it possible for the _______ person to have easy access to read books.
appeared
modern
quickly
common




Internet




___________ and the Internet changed the world. They made it possible for a new kind of book: the _______ books. Traditionally books could only be _______ and sold at a store, but today you can buy and _______ books ______.
electronic
bought
sell
online
Computers
Work in groups
Which invention do you think is more important – the printing press or the internet ? Why? Talk with your members in your group.
No matter what we have,
a computer, a tablet, a laptop, an e-reader or a real book, keep on reading!
China was the first to invent paper during the Han Dynasty. It changed the world.Paper is one of the four great inventions of ancient china.
The other three inventions are the compass, printing press and gunpowder.
What are the other three inventions?
What did you get this class?

Homework
Do you like reading paper books or
electronic books? Why? Talk with your partner and make up a dialogue.