Unit 4 Lesson 21 Books or Computers 课件 (共23张PPT)2023-2024学年冀教版英语八年级下册

(共23张PPT)
Unit 4
Lesson 21 Books or Computers
新课导入
1. How many books have you read this year
2. Do you read e books Do you like them
Free Talk
1.能熟悉并能正确运用本课时的重点单词和短语
2.能够用英语简单描述书籍的发展历史和有关电
子书知识
预习检测
1. Let's keep on 　　　　our homework.
A.do B.doing C.to do D.does
2. It took me two hours 　　　　the work.
A.finish　　　 B.to finish　　
C.finishing　　　 　D.finishes
B
B
3.There is a shop_______different kinds of fruit.
A.selling B.buying C.making D.putting
4. No matter_____you do, I will follow you.
A.where B.how C.what D.when
5.______ancient times, we didn’t have books at all.
A.On B.For C.With D.In
A
C
D
知识梳理
1. People passed on their knowledge by telling stories.
pass on 传递；前进；去世
What sort of values do you want to pass on
He passed on at the age of 72.
Many a student fails to pass on the examination.
2. They wrote each word by hand.
by hand 用手；手工
He moved the huge stone by hand.
We arranged lead letters by hand before a newspaper was printed.
3. It took a long time to write just one book！
辨析： cost, spend, take与 pay
cost 物＋ cost＋人＋金钱 The ticket cost me ten dollars .
spend 人＋spend＋时间/金钱＋on＋名词/代词 I spent all my pocket money on books .
take It ＋takes/took＋人 ＋时间＋to do It took me an hour to walk there .
pay 人＋pay＋金钱 ＋ for＋物 He paid $5 for that book .
4. Then, the printing press appeared and changed the world.
printing press 印刷机
The newspaper is the most novel product of the printing press.
press，n. 压；按；新闻；出版社
He felt the press of modern life.
v. 压；按
Press this button to start the engine.
5. appear， vi. 出现；呈现；来到
When night falls, stars appear.
He is anxious to appear a gentleman.
A woman appeared at the far end of the street.
6. With modern technology, it was possible to print books quickly.
It is/was+ adj.+ to do sth. 做某事……
(It作形式主语，真正的主语是to do sth.)
It is very interesting to learn English.
It is lucky to meet you here.
It’s very kind of you to help me.
若形容词是描述不定式行为者的性格、品质的，如kind/
good/ nice/ right/ wrong/ clever/ careless/ polite/ foolish等，用of sb。
It’s very difficult for me to get up early in the morning.
若形容词仅仅是描述事物，用for sb，这类形容词有difficult/ easy/ hard/ important/ dangerous/ impossible等。
It’s important for us to learn English.
7. No matter what you have……keep on reading
keep on，继续
They run after me. I don't look back at them and keep on running.
The important thing is to keep on top of industry trends, and stay informed.
keep on doing sth. 着重指动作的反复。 Don’t give up, and keep on trying .
keep doing sth . 强调状态或动作的持续。 He kept talking for about an hour .
THINK ABOUT IT
How many books have you read this year
Do you read e books？Do you like them
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！
谈论书籍的发展历史和电子书
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 .
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.
This is a modern printing
press . It can make
thousands of books a day .
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.
1. Read the lesson and answer the questions .
1)．How did people write books in ancient times
2)．What made it possible to print books quickly
3)．What kind of books quickly changed people’s reading habits
They wrote each word by hand.
Modern technology.
The electronic book (e-book).
2. 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
4
7
2
3. 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 .I _____________ couldn’t travel far .
Printing press　
When the printing press a__________, it changed the
world . The m________ printing press can print books
quickly, and makes it possible for the c_________
person to have easy access to books .
nformation
ppeared
odern
ommon
Internet　
Computers and the Internet changed the world . They
made it possible for a new kind of book: the
e___________book . Traditionally books could only
be bought and sold at a store，but today you can buy
and s_______ books online .
lectronic
ell
4. Do you like reading paper books or electronic books(e books)？
Why？Talk with your partner and make up a dialogue .
Eg：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.
Pair work:
活动小结
Retell(复述) the history of the book
In ancient times
Later
Then
Recently
Nowadays
by telling stories
learn how to write and make paper,
write down,a long time
the printing press, changed the world,
it is possible for common people
computer and the Internet, change the
reading habits,buy and sell books
many ways,keep on reading
当堂检测
一.根据句意及所给汉语提示写出单词：
1．We watch the books rolling off the________(印刷机)．
2．The sun ________(出现)at 7：00 this morning.
3．In the afternoon，they went to an exhibition of ________(现代的)art.
4．Some young students like ________ (电子的)books better
than paper books. (盐城)
5．He _____(卖)his old computer for 500 yuan.
presses
appeared
modern
electronic
sold
二. 根据所给的汉语完成下面的句子，每空一词。
1. 你知道如何造纸吗？
Do you know ____________ paper
2. 写一本书要花费很长时间。
________ a long time ________ a book.
3. 电子书改变了人们的阅读习惯。
E-books change the people’s _____________.
4. 无论你说什么，我都相信你。
____________ you say, I’ll believe in you.
5. 我们有很多读书的方式。
We have many ____________ books.
ways to read
how to make
It takes
to write
reading habits
No matter what
Unit 4
Lesson 21
重点短语：
pass on by hand
printing press keep on
in ancient times
common people
sell sth. online
keep on doing sth
thousands of
重点单词：
press
appear
modern
electronic
sell