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(共24张PPT)
冀教版八年级英语下册
Unit 4 The Internet Connects Us Lesson 21 Books or Computers
Enjoy a video:
活
字
印
刷
术
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.
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
2
7
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
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.
Read the lesson and match the main idea of each paragraph.
para.1
para.2
para.3
para.4
A. The printing press appeared
and changed the world.
B. Computers and the Internet
changed the world again
C. People have many ways
to read books.
D. Books in ancient times.
(2)Careful reading
Para1
1.In ancient times，when there were no paper，how did people pass on their knowledge
By telling stories.
“传递”
(3)Task reading
Enjoy a video:
造
纸
术
Language Points
(1) pass on意为：传递；前进；去世。
What sort of values do you want to pass on
你想把什么样的价值观传递给下一代？
He passed on at the age of 72. 他72岁时去世。
Many a student fails to pass on the examination.
许多学生考试不及格。
1. In ancient times, there were no books, and people passes on their
knowledge by telling stories.
在古代，没有书，人们通过通过讲故事传递知识。
2.Read and fill
Paper
Later,people learned to write and _____ ____. With paper, people began to _____ _______ their stories. People wrote each word ________. It took a ____ time to write onebook.
(Information couldn’t travel far .)
by hand
long
write
down
make paper
写下，记下。（代中原则）
用手，手工
Para2
1.What is it
This is a modern printing press.It can make thousands of books a day.
印刷机
Printing press.
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 . _____________ 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
Internet　
Computers and the Internet changed the world . They made it possible for a new kind of book: the ___________book . Traditionally books could only be bought and sold at a store，but today you can buy and _______ books online .
electronic
sell
Language Points
(2) by是介词，后面可以加名词或动名词短语，意为“通过……
方式（途径）”。
I learn English by listening to tapes.
我通过听磁带学英语。
1. In ancient times, there were no books, and people passes on their
knowledge by telling stories.
在古代，没有书，人们通过通过讲故事传递知识。
【解析】
考查感叹句和介词用法。句意：这种方式多么方便啊！我们可以通过扫二维码在很多超市中付钱。根据How+形容词+主语+谓语，可排除C，结合by接方式。故选B。
典例
(2023年黑龙江龙东地区中考)
______convenient the way is! We can pay money ______scanning QR codes(二维码) in many shops.
A. How; for B. How; by C. What; by
B
Language Points
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 e-books
B：Yes.I like them very much.
A：Why
B：Because it is very convenient for people to read.
Read and fill
Printing
press
①With the modern technology, it was possible to print books _______ .
②It was also possible for the ______ person to read books.
quickly
common
Because...
Then，the printing press appeared and changed the world.
Language Points
how to do sth 是由“特殊疑问词+ 动词不定式”构成的短语, how引导的不定式短语作前面learned 的宾语。除了how之外,其他的特殊疑问词(what, who, which, when, where等)也都可以与动词不定式
连用,通常在句中作宾语、主语或者表语等。
He didn’t know where to buy such a book.
他不知道去哪儿买这样一本书。
Later, people learned how to write and make paper.
后来，人们学会了怎样写字和造纸。
点击输入
标题内容
1. The shoes are made _____ hand, not with machine.
So they are a little more expensive.
A. by B. in C. with D. from
2. --My family will go on a trip to Beijing this summer,
but we haven't decided _________.
--Why not take the high-speed railway
A. when to leave B. how to get there
C. which hotel to choose D. what to do
点击输入
标题内容
3. --Jason, I can't get Sue on the phone.
--I'll see her this afternoon. Do you want me to ____
a message.
A. pass on B. find out C. look up D. work on
4. There is an e_________ dictionary on my phone. It
is convenient for me to use it.
5. Shopping online makes it possible _____ (sell) things
at home.
lectronic
to sell
Thank you!

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