八年级英语冀教版下册Unit 4 Lesson 21Books of Computers?

课件27张PPT。Lesson 21Books or Computers?Words & expressionspress
appear
modern
electronic
selln. 印刷机；新闻界
v. 出现；呈现；来到
adj. 现代的；新式的
adj. 电子的
v. 卖；出售paper bookse-booksThink about it! How many books have you read
this year?
2. Do you read e-books? Do you
like them?Objectives To understand the passage about
books.
2. To learn some useful words and expressions to talk about the history of books.Words:
press appear modern
electronic sellExpressions:
pass on by hand
printing press keep onRead and answer.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.1234567Language Points1. 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。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。3. 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。Perhaps we really should be reflecting on another sacred liberty: the freedom of the press.
也许我们真正应该反思的是另一个神圣的自由：新闻自由。
v. 压；按
Drago pressed a button and the door closed.
德拉戈按了一个按钮，门关上了。
Press this button to start the engine.
要开动发动机就按这个按钮。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。4. 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。
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。 5. 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。Time for Reflection pass on
by hand
printing press
keep on传递；前进；去世
用手；手工
印刷机
继续；保持注：另附word文档，点此链接Fill in the blanks. The first letter is given.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.nformationppearedodernommon3. 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. lectronicellFill in the blanks with correct words.
1. I never felt stressed like that , but he did ______ ____ his sense of adventure.
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。
2. Some scientific books of ________ China have been lost.
我国有些古代科学著作已经失传。
3. The letter was written ____ _____.这封信是手写的。 pass onancientby hand4. The first signs of the dawn _________ on the horizon.
黎明的曙光出现在地平线上。
5. Trade is the lifeblood of most ________ states.
贸易是大多数现代国家的生命线。
6. ___________computers are now in common use all over the world.
电子计算机已在世界各地普遍使用。appearedmodernElectronic7. I am going to _____this old car, and buy a new car.
我打算卖掉这辆旧车，再买辆新车。
8. The book contains much new ____________.
这本书有很多的新信息。
9. He _____ _____ working until midnight though he was tied. 尽管他累了但还是继续工作到深夜。sellinformationkept onHomeworkTopic: Which invention do you think is more important—the printing press or the Internet?
(Write a short passage and give at least three reasons to support your choice.)Preview Learn the words and expressions in Lesson 22.
2. Underline the sentences you don’t understand on page 56.