Module 9 Great inventions Unit2 Will books be replaced by the Internet? 课件(共33张ppt) 外研版九年级英语上册

(共33张PPT)
Module 9 Great inventions
Unit 2 Will books be replaced by the Internet
1.Work in pairs. Read the title of the passage in Activity 2. Discuss and make a list of the advantages of books and the Internet.
Lead in
Books are inexpensive.
Books can go with you anywhere and be read everywhere.
Books can help you keep your brains sharp.
…
You can get information quickly.
You can get a great amount of information at a time.
The machine is smaller and lighter.
…
Advantages of books
Advantages of the Internet
Read and match
Para. 1
Para. 2
Para. 3
Para. 4
Para. 5
The world before printed books
The world after the invention of printing
Life with paper and priting
Technology and books
The future of books
To find information quickly, you can read the heading and the first sentence and find the key words in each paragraph.
Read and answer (Para.1)
What do the writer and his parents often do every day
Paper & printing
are very __________ in our life!
important
Task 1
Read Para1 and complete the sentences with prepositions.
1.My mother looks ________ magazines
at home.
2.Did you see the poster _____ a photo_____
Yao Ming ____the wall.
3.We all know fish can’t live ________ water.
through
with
of
without
on
Careful reading
Task 2
Read paragraphs 2 and answer the questions.
When and where was the paper first created
What happened after the paper was created
Why were the books expensive and rare before the invention of printing
Paper was first created about 2,000 years ago in China.
People started to write on paper to make books.
Because the books were produced by hand.
Read paragraph 3 and answer the questions.
When and where was printing invented
Why the books produced more quickly awerend cheaply
Why did ideas and knowledge spread faster
Printing was invented in China during the Sui and Tang Dynasties.
Because the printing had developed.
Because more people learned to read and bought books.
Read for details(Para 2&3)
paper created
2000 years ago
when
what happened
Sui & Tang Dynasties
printing
invented
the 20th century
Internet
introduced
books produced one at a time by hand
not many books
expensive
few people learnt to read
books produced quickly /cheaply
more people learnt to read
trade in books
knowledge/ideas spread faster
The Internet is still young, and it is
growing slowly.
2. A much larger amount of information can be stored in one form on the Internet.
3. People can find information much more easily than they can find it in printed forms.
4. The machines we use to read are now big and light.
Read paragraph 4 and finish the true or false.
very fast.
but
varied forms
small
advantages
very fast and more powerful
growing
larger amount
more varied forms
more easily
information
machines
Read for details(Para4)
smaller and lighter
Read and think (Para. 5)
Will books be replaced by the Internet

Disagree

No idea
Agree

Writer's opinion
infer
(推断)
Let's wait and see!
2,000 years ago
during the Sui and Tang Dynasties
today
in the future
Paper was first created.
The Internet is growing fast.
Information can be stored on the Internet.
...
Printing was invented.
Will Books be replaced by the Internet
Summary
一般过去时的被动语态
was/were+ done
情态动词 +be + done
一般现在时的被动语态
am\is\are+ done
一般将来时被动语态
will/be going to + be + done
Find the passive sentences in this text and then read them aloud.
4.Complete the passage with the words in the box.
developments, direction, introduction,powerful, replace, spread, trade
Books were expensive after paper was invented because they were expensive because they were made by hand, but (1)____________ in printing made it cheaper and faster to make books.A(n) (2)_______ in books resulted, and knowledge (3)_________ more quickly than ever before. The(4)____________ of the Internet has changed the world in a similar way, and the Internet is much more (5)_________. With more and more people using the Internet, the (6)__________ that traditional printing will take in the future is uncertain, and computers may (7)__________ books one day.
developments
spread
trade
introduction
powerful
direction
replace
1. Every evening, my mother looks through magazines at home.
每天晚上，我妈妈都在家翻阅杂志。
look through意思是“快速阅读；浏览”。例如：
Can you quickly look through the composition for me and see if there are any mistakes
你能帮我迅速浏览一下这篇作文，看看有没有错误吗？
Language points
look at
look over
look out
look after
look like
look on
look around
look back
看着…
检查, 查看, 调查
留神, 注意
照料, 看管
看上去像
观看, 旁观
环视, 东张西望
回顾, 回头看
1). Here is the book. First _______ it and then tell me what you think of it.
A. look into B. look through
C. look up D. look after
解析：look into 调查； look through 浏览 ；look up 向上看 ；look after 照顾 。题干意义“首先浏览一下这本书，然后告诉我你的看法”。
B
2. In those days, books were only produced one at a time by hand.
在那个年代，书是靠手工制作的，一次只能制作一本。
at a time 每次，一次
Please come in one at a time, not all together.
请一个一个进来，不要一起来。
Let your listener answer one question at a time.
让你的听众一次回答一个问题。
at a time 每次；一次，常位于句末，与表示数量的词连用。
at one time 曾经；一度，常用于一般过去时。
at times 有时；偶尔，相当于sometimes。
Language points
in time 及时 on time 按时, 准时
some time 一些时间 at times 时常
kill time 消磨时间 behind time 落后
all the time 一直 at this time 这时
at that time 那时 at the same time 同时
in no time 立刻 in the daytime 在白天
for a long time 长时间
for the first time 第一次
from time to time 不时地
time and again 反复地，不断地
have a good time 玩得很高兴
3. In those days, books were only produced one at a time by hand.
在那个年代，书是靠手工制作的，一次只能制作一本。
by hand表示“用手；靠手做”。 例如：
All these toys are made by hand.
所有这些玩具都是手工制作的。
All the beds in my home are made by hand.
我们家所有的床都是手工做的。
by hand还表示“亲手地”
You’d better deliver her invitation by hand since she lives so close.
既然她住的这么近，你最好亲手将邀请信给她。
Language points
at hand 在手边, 在附近, 即将来临
on hand 手头
on the other hand 另一方面
on hand 在手边, 在附近; 在场
lend a hand 〈口〉帮助, 援助
hand in hand 手拉手, 共同地
4. As a result, there were not many books, and they were expensive.
这样一来，书籍数量不多，价格又贵。
as a result意思是“结果；因此”，表示某种情况或行为所带来的后果，常用作副词短语，位于句首。如：
He works hard at his lessons. As a result, he can pass all the exams.
他努力学习功课。因此，他可以通过所有的考试。
Language points
【拓展】
as a result of 与as a result仅一词之差，意为“作为……的结果；由于(…的原因)”，后接表
示原因的名词或名词性短语，不能单独使用。相当于because of。例如：
She was late as a result of the snow.
由于下雪，她迟到了。
As a result of warning, nobody was hurt.
由于得到了警告，没有人受伤。
Language points
5. Later, developments in printing made it possible to produce books more quickly and cheaply.
it 是形式宾语，真正的宾语是后面的动词不定式to produce books more quickly and cheaply
I find it difficult to do the job well.
我发现做好这件事不容易。
make it+adj.+to do sth.使得做某事...
make sb./sth. +adj. 使某人/某物处于某种状态
make sb. do sth. 使某人做某事
All of us find _______ necessary to take exercise every day.
A. this B. that C. it D. them
解析:“find it +形容词+不定式”结构表示“发现干某事……”，其中 it 作 形式宾语，真正的宾语是后面的动词不定式。
C
6.In a way, we can compare the invention of paper and printing to the introduction of the Internet …
compare … to … 拿…与…相比; 把…比作....
He compared London to Paris.
他把伦敦与巴黎进行了比较。
He compared the brave man to a lion.
他把勇士比作狮子。
Language points
compare … with … 意为 “ 把 …… 与 …… 相比较 ” ，比较的对象放在 with的前后。如：
My father often compares my homework with Daming's.
　我爸爸经常拿我的作业和大明的相比较。
不要总是和别人相比。
Don’t always __________ yourself _______ others.
2) 孩子们经常把月亮比作盘子。
Children often __________ the moon ____ a plate.
compare with
compare to
7. A much larger amount of information can be stored in more varied forms on the Internet than in books.
varied adj. 表示“各种各样的”，等于all kinds of。
e.g. There are a large amount of varied dresses and I don’t know what to buy.
这里有许多各式各样的裙子，我不知道该买哪个。
Language points
amount n. 表示“量，数量”
a great/large amount of+不可数n. :大量的...
He spent a great amount of money buying books.
他花很多钱买书。
a great/large/small number of+可数n.复数 ， 做主语时，谓语动词用复数
Most European universities provide an elite service to a small
number of people.
大多数欧洲的大学为一小部分人提供精英服务。
the number of+可数n.复数 ， 做主语时，谓语动词用单数，指的是 “...的数
目”
The number of companies offering them work increased.
给他们提供工作的公司的数量增多了。
Language points:
8.develop:
.development n. 表示“发展，进步”with the development of…随着……的发展
.developing adj.发展中的
China is a developing country.
.developed adj.发达的
The USA is a developed country.
Write a report according to the text,discuss the advantages of both books and computers.
Homework