Unit 4 Lesson 21 Books or Computers 课件+嵌入视频(共19张PPT)

(共19张PPT)
Unit 4 The Internet Connects Us
Lesson 21 Books or Computers
新
课
导
入
Enjoy the video about e-book
Language Goal
新知学习
课堂小结
当堂检测
学习目标
重点研讨
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
新知学习
旧知回顾
课堂小结
当堂检测
学习目标
拓展提升
新知学习
课堂小结
当堂检测
学习目标
重点研讨
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！
新知学习
课堂小结
当堂检测
学习目标
重点研讨
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
新知学习
课堂小结
当堂检测
学习目标
重点研讨
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.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
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).
新知学习
课堂小结
当堂检测
学习目标
重点研讨
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
新知学习
课堂小结
当堂检测
学习目标
重点研讨
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
新知学习
课堂小结
当堂检测
学习目标
重点研讨
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
新知学习
课堂小结
当堂检测
学习目标
重点研讨
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 e-books
B：Yes. I like them very much.
A：Why
B：Because it is very easy for people to buy and sell
books online.
新知学习
旧知回顾
课堂小结
当堂检测
学习目标
拓展提升
重点研讨
课堂小结
当堂检测
学习目标
新知学习
1. People passed on their knowledge by telling stories.
人们通过讲故事来传播知识。
在古代的中国，人们怎么样传播知识呢？
How did people _____________ their knowledge
in ancient China
pass on
pass on 传递
What sort of values do you want to pass on
你想要传递怎样的价值观？
新知学习
旧知回顾
课堂小结
当堂检测
学习目标
拓展提升
重点研讨
课堂小结
当堂检测
学习目标
新知学习
2. They wrote each word by hand.
他们用手来写每个单词。
妈妈手工给我做了一件外套。
My mother made a coat for me by hand.
by hand 用手；手工
He moved the huge stone by hand.
他用手移动了那块大石头。
新知学习
旧知回顾
课堂小结
当堂检测
学习目标
拓展提升
重点研讨
课堂小结
当堂检测
学习目标
新知学习
3. It took a long time to write just one book.
仅仅写一本书就要花费很长一段时间。
句型It takes sb. some time to do sth.
意为“某人花费多长时间做某事”，it是形式主语，真正的主语是动词不定式“to do sth.”；take 随时态改变，本句用的是一般过去时态，所以用took。如：
我昨天用了两个小时打扫房子。
It took me two hours to clean my house yesterday.
新知学习
旧知回顾
课堂小结
当堂检测
学习目标
拓展提升
重点研讨
课堂小结
当堂检测
学习目标
新知学习
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 ________ to meet you here.
有幸在这儿见到你.
It is very interesting to learn English.
学英语很有趣。
lucky
新知学习
旧知回顾
课堂小结
当堂检测
学习目标
拓展提升
重点研讨
课堂小结
当堂检测
学习目标
新知学习
5. No matter what you have……keep on reading.
不管你有什么，继续阅读。
keep on (doing) 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。
We should keep on reading every day.
我们应该每天继续读书。
新知学习
旧知回顾
课堂小结
当堂检测
学习目标
拓展提升
课堂小结
重点研讨
当堂检测
学习目标
新知学习
某人花费多长时间做某事
It takes sb. some time to do sth
It took sb. some time to do sth
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
用手，手工
by hand
传递和继续
pass on sth
keep on doing sth
Unit 4
Lesson 21
新知学习
旧知回顾
课堂小结
当堂检测
学习目标
拓展提升
当堂检测
重点研讨
课堂小结
学习目标
新知学习
Fill in the blanks with correct words.
1. She _________ us her spirit of happiness.
她把她快乐的精神传递给了我们。
2. We have lost some scientific books of ________ China.
我们已经丢失了一些古代中国的科学著作。
3. The letter was written ____ _____.
这封信是手写的。
passed on
ancient
by hand
新知学习
旧知回顾
课堂小结
当堂检测
学习目标
拓展提升
当堂检测
重点研讨
课堂小结
学习目标
新知学习
4. 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。
7. He _____ _____ working until midnight though he was tired.
尽管他累了但还是继续工作到深夜。
appeared
modern
Electronic
kept on