Lesson 21 Books or Computers？-初中英语 八年级下册 冀教版 同步课件(共23张PPT)

(共23张PPT)
Unit 4 The Internet Connects Us
Lesson 21 Books or Computers
1 学习目标 2 新课导入
3 新课讲解 4 当堂小练
5 课堂小结
目录
contents
Master the new words and phrases,understand the meaning of text.
Talking about the books how to develop.
Ask the Ss to discuss how to read in computer or other ways in the future
学习目标
Have you ever read e-books
What do you think of them
新课导入
THINK ABOUT IT
How many books have you read this year
Do you read e books？Do you like them
新课讲解
The history of books is very interesting. In ancient times，there were no books，and people passed on their knowledge by telling stories. Later，people learned how to write and make paper. With paper，people began to write down their stories. They wrote each word by hand. It took a long time to write just one book！
Then，the printing press appeared and changed the world . With modern technology, it was possible to print books quickly. It was also possible for common people to read books .
This is a modern printing press . It can make thousands of books a day .
Recently，computers and the Internet changed the world again. A new kind of book appeared： the electronic book(e- book)．E books are quickly changing people’s reading habits . It is easier for people to buy and sell books online. Information travels faster and farther.
Which invention do you think is more important —the printing press or the Internet
Nowadays，people have many ways to read books . No matter what you have，a computer，a tablet，a laptop，an e-reader or a real book，keep on reading！
Culture Tip
　 Did you know that China was the first to invent paper？Paper was invented during the Han Dynasty. Paper is one of the four great inventions of ancient China. The other three inventions
are the compass，printing press and
gunpowder.
Language point 1
In ancient times, there were no books, and people passed on their knowledge by telling stories.
pass on sth. to sb.(= pass sth. on to sb.)
e.g. Can you pass on the newspaper to my sister
你能把报纸递给我的姐姐吗？
pass on 传递；前进
Language point 2
Later, people learned how to write and make paper.
特殊疑问词+ 动词不定式
在此结构中，疑问词可用疑问代词 who、which、what 等和疑问副词when、where、how 等。
e.g. I want to know how to improve my spoken English.
我想知道怎样提高我的英语口语。
how to write 怎样书写
Language point 3
Then, the printing press appeared and changed the world.
反义词disappear vi. 消失
appearance n.出现；露面
e.g. His sudden appearance surprised me . 他的突然出现使我感到惊讶。
appear/ ‘p / v.出现；呈现；来到
e.g. A ship appeared on the horizon. 一艘船出现在地平线上。
Language point 4
It is easier for people to buy and sell books online.
sell sb. sth.=sell sth. to sb. 把某物卖给某人
e.g. He sold the old car to me for 500 yuan.
=He sold me the old car for 500 yuan.
他以五百元的价钱把那辆旧的小汽车卖给了我。
sell /sel/ v. 卖；出售(sold/sold)
e.g. I want to sell the car. 我想卖掉这辆小汽车。
1
Let’s Do It!
Read the lesson and answer the questions.
1. How did people write books in ancient times
People wrote down their stories with paper. They wrote each word by hand.
2. What made it possible to print books quickly
Modern technology made it possible to print books quickly.
3. What kind of books quickly changed people’s reading habits
E-books.
Read the lesson and put the sentences in the correct order.
The History of the Book
( )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
2
4
7
2
Fill in the blanks . The first letter is given .
Paper　
With paper，people began to write down their stories . People wrote each word by hand . It took a long time to write one book . _____________ couldn’t travel far .
Printing press　
When the printing press __________，it changed the world . The ________ printing press can print books quickly，and makes it possible for the _________ person to have easy access to books .
Information
appeared
modern
common
3
Internet　
Computers and the Internet changed the world . They made it possible for a new kind of book: the _________ book . raditionally books could only be bought and sold at a store，but today you can buy and _______ books online .
electronic
sell
Do you like reading paper books or electronic books(e books)？Why？Talk with your partner
and make up a dialogue .
e.g. A：Do you like ebooks
B：Yes.I like them very much.
A：Why
B：Because it is very easy for people to buy and sell books online.
4
一、词语运用
1．He ________ a new way of making silk.
2．In ________ times, people lived by hunting.
3．The toy is made ________.
4．After a short rest, they ________ walking.
5．How do they ________ their information
invented
by hand ancient invent keep on pass on
ancient
by hand
kept on
pass on
当堂小练
二、单项选择
1．There are enough cups for each visitor to have ________.
A．one B．it C．this D．that
2．—It's reported that Chinese ________ more than 40 minutes a day reading WeChat．
—It's true. But I think WeChat is taking too much of our time.
A．spend B．cost C．pay D．take
A
A
重点单词：appear，press，modern，electronic，sell
重点短语：keep on doing sth. , pass on , by hand , printing press
重点句子：In ancient times, there were no books, and people passed
on their knowledge by telling stories.
Later, people learned how to write and make paper.
It is easier for people to buy and sell books online.
课堂小结
感 谢 观 看