冀教版 八年级下
Unit 4
Lesson 21
Books or Computers?
Warming-up:
Let’s enjoy a video:
Culture Tip :
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.
n. 印刷机
n. 火药
n. 指南针
n. 汉代
v. 发明，创造
n. 发明
The history of books:
Presentation:
In ancient times，there were no books，and people passed on their knowledge by telling stories.
Then people learn to write and they write on stones, cloth or bamboo.
pass on 传递
The history of books:
Presentation:
Later，people learned how to make paper, they began to write down their stories by hand on paper. It took a long time to write just one book！
Then，the printing press appeared, it was possible to print books quickly. It was also possible for common people to read books .
appear v. 出现；呈现；来到
The history of books:
Presentation:
Recently，computers and the Internet changed the world again. A new kind of book appeared： the electronic book(e?book)． It is easier for people to buy and sell books online.
electronic adj. 电子的
sell v. 卖；出售
paper books
The history of books:
e-books
Presentation:
So people have many ways to read books now.
Relaxing Time:
Let’s enjoy a video:
Pair work:
Talk about these questions in pairs.
1. How many books have you read this year?
2. Do you read e?books？Do you like them?
3. Which do you like better? Paper books or
e-books? Why?
Listen to the passage and answer the questions:
Listening:
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.
Let’s Do It!
1
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.
1
2
3
4
5
6
7
Let’s Do It!
2
Read the lesson and put the sentences in the correct order.
Reading:
Read the lesson again and take notes.
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！
在古代
传递
造纸
写下
用手
Reading:
Read the lesson again and take notes.
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)．
This is a modern printing press . It can make thousands of books a day .
印刷机
出现
现代科技
电子书
Reading:
Read the lesson again and take notes.
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.
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！
Which invention do you think is more important —the printing press or the
Internet?
卖出
无论什么
坚持…
language points:
Grammar:
1. People passed on their knowledge by telling stories.
人们通过讲故事来传播知识。
pass on 传递；前进；去世
What sort of values do you want to pass on?
你想把怎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。
language points:
Grammar:
2. They wrote each word by hand.
他们用手来写每个单词。
by hand 用手；手工
He moved the huge stone by hand.
他用手移动了那块大石头。
We arranged lead letters by hand before a newspaper was printed.
在报纸印刷以前，过去是用手工排铅字的。
language points:
Grammar:
3. It took a long time to write just one book！
写一本书就要花费很长时间
cost 物＋ cost＋人＋金钱 The ticket cost me ten dollars .
这张票花了我十美元。
spend 人＋spend＋时间/金钱＋on＋名词/代词 I spent all my pocket money on books .
我所有的零花钱都花在书上了。
take It ＋takes/took＋人＋时间＋to do It took me an hour to walk there .
我花了一小时走到那儿。
pay 人＋pay＋金钱＋ for＋物 He paid $5 for that book .
他花了5美元买那本书。
辨析：cost, spend, take与 pay
language points:
Grammar:
4. Then, the printing press appeared and changed the world.
然后，印刷机出现了并改变了世界。
printing press 印刷机
The newspaper is the most novel product of the printing press.
报纸是印刷机制造的最新奇的产品。
press n. 压；按；新闻；出版社
He felt the press of modern life. 他感觉到现代生活的压力。
v. 压；按
Press this button to start the engine.要开动发动机就按这个按钮。
language points:
Grammar:
appear vi. 出现；呈现；来到
When night falls, stars appear.
夜晚来到时星星出现。
He is anxious to appear a gentleman.
他急于表现得像一位绅士。
A woman appeared at the far end of the street.
一个女人在街那端出现了。
language points:
Grammar:
5. With modern technology, it was possible to print books quickly.
使用现代技术能快速打印书。
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. 学英语很有趣。
It is lucky to meet you here. 有幸在这儿见到你。
It’s very kind of you to help me.你能帮助我真好。
language points:
Grammar:
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.
早起对我而言很困难。
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. 学英语对我们来说很重要。
language points:
Grammar:
6. No matter what you have……keep on reading.
不管你有什么，继续阅读。
keep on 继续
They run after me. I don't look back at them and keep on running.
他们在后面追，我没有回头看，继续一个劲儿的跑。
The important thing is to keep on top of industry trends, and stay informed.
重要的事情是保持行业趋势的优势，并且消息灵通。
keep on doing sth.
着重指动作的反复。 Don’t give up, and keep on trying .
不要放弃，继续努力。
keep doing sth .
强调状态或动作的持续。 He kept talking for about an hour .
他持续谈了约一个小时。
1.印刷机_______
2.在古代_____
3.传递_______
4.改变世界_______
5. 用手 _______
6.现代科技_________
7.继续做某事____________
8.电子书______
the printing press
in ancient times
pass on
change the world
by hand
modern technology
keep on doing sth.
the electronic book(e-
Key phrases we learn today:
Fill in the blanks. The first letter is given.
3
Let’s Do It!
1. 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.
2. 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.
3. 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.
nformation
ppeared
odern
ommon
lectronic
ell
Do you like reading paper books or electronic books(e?books)？Why？Talk with your partner and make up a dialogue .
Let's Do It !
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.
Let’s Do It!
4
Work in pairs:
根据句意及所给汉语提示写出单词：
Exercise:
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
6．He ________ a new way of making silk.
7．In ________ times, people lived by hunting.
8．The toy is made ________.
9．After a short rest, they ________ walking.
10．How do they ________ their information?
invented
by hand ancient invent keep on pass on
ancient
by hand
kept on
pass on
Exercise:
用方框中单词或短语的适当形式填空：
Fill in the blanks with correct words.
Exercise:
1.我从没感觉到那样压抑，但是他确实给我传递了他的冒险精神。
I never felt stressed like that , but he did ______ ____ his sense of adventure.
2.我国有些古代科学著作已经失传。
Some scientific books of ________ China have been lost.
3. 这封信是手写的。 The letter was written ____ _____.
4.黎明的曙光出现在地平线上。
The first signs of the dawn _________ on the horizon.
5.电子计算机已在世界各地普遍使用。
___________computers are now in common use all over the world.
pass on
ancient
by hand
appeared
Electronic
Homework
Write a passage to talk about the advantages and disadvantages of the Internet. (50-100 words)
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Unit 4 Lesson 21 Books or computers同步练习
一. 单项选择。
1. It will ________ the workers ten days to finish all the work.
A. take B. spend
C. pay
2. —Jason, I can't get Sue on the phone.
—I'm seeing her this afternoon. Do you want me to ________ any message?
A. pass on B. find out
C. look up D. work on
3. We should keep on ________ English every day.
A. to practice to speak B. to practice speaking
C. practice to speak D. practicing speaking
4.—Wow, Wendy, it's cool to make a short video with your mobile phone.
—Just with a software called Meipai. Let me show you ________.
A. which to use B. how to use it
C. what to use D. where to use it
5. No matter ________, you must follow the school rules.
A. where are you B. what do you do
C. who are you D. who you are
二. 根据括号中所给汉语用适当的词语填空。
1. When did the world’s first computer ___________（出现）？
2. The ____________（现代的）technology changes our life.
3. How can we use these ____________（电子的）machines?
4. What about ____________（出售）these computer in low prices?
5. I think ____________（知识）is the most important thing in the world.
三. 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.
四、完形填空。
Computers are now as commonly used in business as the telephone. Therefore, it's important that people know how 1________them efficiently(有效地). Now, you and your whole team are 2________ to do this on your computer in the simplest way—taking our online courses. And then you can learn and practice 3________ yourself.
The person 4________ appears on the screen acts as your teacher, guiding you through the tasks 5________ explaining everything. Then more difficult exercises allow you to practice the things you 6________ learned and test your understanding.
7________ courses are excellent value—only 69.99 pounds. You 8________ save yourself money if you buy the complete collection of seven courses. This is now available at the retail(零售) 9________ of 410 pounds. You can make a 10________ saving of 10% by ordering the complete collection within the next thirty days.
1. A. to use B. use C. using D. used
2. A. able B. unable C. ably D. disable
3. A. to B. in C. by D. on
4. A. which B. who C. what D. whom
5. A. if B. but C. and D. nor
6. A. had B. have C. has D. having
7. A. These B. Each C. Every D. Either
8. A. must B. ought C. need D. can
9. A. money B. worth C. shop D. price
10. A. far B. further C. close D. closer
同步练习答案
一.1.A 2. A 3. D 4. B 5. D
二. 1. appear 2. modern 3. electronic 4. selling 5. knowledge
三. 1. how to make 2. (?http:?/??/?www.21cnjy.com?) It takes, to write 3. reading habits
4. No matter what 5. ways to read
四、1.A 2. A 3. C 4. B 5. C
6.B 7.A 8.D 9.D 10.B
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