资源简介

(共43张PPT)
Unit 4
The Internet Connects Us
Lesson 21
Books or Computers
Pair-work
How many books have you read this year
…
The printing press changed the world.
press [pres]
n. 印刷机；新闻界
Lead in
A rabbit suddenly appeared in the hat.
appear [ p (r)]
v. 出现；呈现；来到
disappear v. 消失
We live in a modern city. It is very beautiful.
modern [ m dn]
adj.现代的；新式的
electronic [ lek tr n k]
adj. 电子的
electronic mail=email 电子邮件
We have many electronic products in our life.
sell [sel] (sold/sold)
v. 卖；销售
sell out 卖光
sale n. 销售
The woman is selling all kinds of fruit.
press
appear
modern
electronic
sell
n. 印刷机；新闻界；出版社
v. 出现；呈现；来到
adj. 现代的；新式的
adj. 电子的
v. 卖；出售
New words
pass on
by hand
printing press
keep on
传递；前进
用手； 手工
印刷机
继续
Expressions
Do you know the four great inventions of ancient China
compass
printing press
(typagraphy)
paper-making
gunpowder
Warm up
Do you know how people in ancient times passed on their knowledge without books or paper
By painting frescos (壁画)
By telling stories
1. Listen the passage and fill in the blanks.
1. In ancient times, people passed on their knowledge by ____________.
2. __________________ appeared and changed the world.
3. ___________ are quickly changing people’s reading habits.
telling stories
The printing press
E-books
Listening
Text
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!
Text
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
Text
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!
Text
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.
Culture Tip　
Four
Great
Inventions
Text
1. In ancient times, there were no books, and people passed on their knowledge by telling stories.
no 用作形容词，意为“没有，无”。
no+可数名词复数/不可数名词”相当于“not any+可数名词复数/不可数名词”；“no+可数名词单数”相当于“not a/an+可数名词单数”。
Language Points
【注意】当“no+名词”作主语时，谓语动词的单复数要与no 后面的名词保持一致。
e.g. No news is good news. 没消息就是好消息。
No words are able to express my feelings.
我的感情是无法用言语表达的。
pass on 传递；前进
含pass的短语：
pass on 传递 pass the exam 考试及格
pass away 去世 pass by 通过，经过
pass on...to... 把……传递/转告给……
【拓展】pass 意为“传递”, 后可接双宾语。
pass sb. sth. (=pass sth. to sb.) 把某物传递给某人
e.g. Pass me the book, please.= Pass the book to me, please. 请把书递给我。
【注意】如果pass后的直接宾语为代词,只能用pass sth. to sb. 结构。
2. Later, people learned how to write and make paper.（教材P54）
how to write 意为“怎样书写”。属于“特殊疑问词+动词不定式结构”。
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 get there.
我想知道怎样到那。
3. They wrote each word by hand.
by hand 意为“用手；靠手做；手工”，表示方式，注意词组中名词前不用冠词。
e.g. The coat is made by hand.
这件外套是手工做的。
4. It took a long time to write just one book!（教材P54）
take v. 费时；需要……时间
e.g.
It takes me half an hour to play the piano every day.
我每天花半个小时弹钢琴。
① cost 物＋ cost (适当形式)＋人＋金钱 The T-shirt cost me 20 yuan.
这件T恤衫花了我20元。
② spend 人＋spend (适当形式)＋时间/金钱＋ on ＋名词/ 代词 I spent 3 hours drawing the picture.
我花了3个小时画这幅画。
辨析：cost, spend, take与pay
③ take It ＋ takes/took ＋人＋时间＋to do It took us two hours to climb up to the top of the mountain.爬到山顶花费了我们2个小时。
④ pay 人＋ pay( 适当形式) ＋金钱＋ for ＋物 He paid 25 yuan for lunch. 他花了25元吃午饭。
5. It is easier for people to buy and sell books online.
sell /sel/ v. 卖；出售 (sold/sold)
常用短语：sell well 卖得好；畅销(不用于被动句)
sell out/be sold out 售完
sell sb. sth.=sell sth. to sb. 把某物卖给某人
e.g.
These cookies sell well. 这些甜饼卖得很好。
He sold the old bike to me for 500 yuan.
=He sold me the old bike for 500 yuan.
他以五百元的价钱把那辆旧的自行车卖给了我。
6. No matter what you have, a computer, a tablet, a laptop, an e-reader or a real book, keep on reading!
no matter what 无论什么
e.g. No matter what you do, I will support you.
无论你做什么，我都支持你。
no matter where = wherever 在任何地方
no matter when = whenever 无论何时
no matter how = however 不管怎样
no matter who = whoever 无论谁
keep on doing sth. 继续做某事； 坚持做某事
keep on doing sth. 表示动作的反复, 强调动作与动作之间有间隔。
keep doing sth. 表示“一直做某事”, 强调动作的连续性。
e.g. He keeps on running until he is very strong.
他继续跑步一直到他很健康了。
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)．
Let’s Do It!
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. _____________ couldn’t travel far.
Information
Let’s Do It!
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.
appeared
modern
common
Let’s Do It!
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
Let’s Do It!
4. 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!
Exercises
1. Mum, do you like the card I made it ______ hand last night.
at B. in C. to D. by
2. Keep on _______ basketball, and I think you can join the basketball team.
play B. playing C. to play D. played
3. No matter ________ I have, I will share everything with you.
A. when B. how C. what D. who
4. Let’s write down the stories to ________ the knowledge.
A. get on B. go on C. pass on D. turn on
5. Bob ______ 5 hours skating on the ice, so he felt very tired.
A. spent B. paid C. cost D. took
Group work
Talk about the importance of reading.
1. Review and recite the important points of this lesson.
2. Talk about the importance of reading.
3. Preview the next lesson.
Homework
Thank you!

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