资源简介

(共20张PPT)
Unit 5 Power of Ideas
Section B 1a-1f P46-47
1a
What material are these things made of？Find more things that are made of this material.
paper bags
book
envelops
lanterns
These things are made of paper.
magazine
notebooks
box
napkin
Paper _____________ in our life.
Presentation
Look and predict
According to the title, what may the writer mention
The invention
The inventor
The inventing process
The changes it brings
......
What was the invention that changed the world
Papermaking.
2. What is the passage mainly about
A. How paper was sold.
B. How museums protect paper.
C. How paper was invented and changed
the world.
Check your prediction
Tip: Summarize the main idea of each paragraph by focusing on key sentences or key words.
Introduction to the topic
Introduction
Paper’s development
Influence
Paragraph Topics
Paragraph 1 Introduction to the topic
Paragraph 2 Early materials to write on
Paragraph 3 Cai Lun's creative idea
Paragraph 4 Cai Lun's experiment was successful
Paragraph 5 How paper changed the world
1. How many parts can we divide the
passage into
A.
B.
2. What is the structure of the passage
Introduction
1. How does the writer lead into the topic
By asking a question to attract readers’ interest.
2. Why does the writer ask readers to imagine a world
without books,newspapers,or magazines
To show the importance of paper.
3. What does “it” refer to in the second line
Papermaking.
4. What is the influence of the invention of papermaking
It was responsible for the rapid spread of information.
Careful reading
1
Paper’s development
Question Material to write on before Cai Lun
What was it like
What was used to make it
very expensive
difficult to use and store
animal bones, bronze wares, stones, wood, bamboo, and even silk and an early form of paper made from jute.
1d Complete the table
animal bones
bronze ware
stones
bamboo
silk
jute
2
Paper’s development
What was Cai Lun
Question Cai Lun’s paper
What was it like
What was used to make it
soft, light, easy to make and use，cheap
bark, certain plants, and old clothes
1d Complete the table
3
4
Paper’s development
2
1
4
3
1e Put the sentences in order.
4
1e Retell the process
Paper’s development
All ingredients _________________in water.
This material
___________________________water again.
The liquid _________
over a bamboo screen, leaving the fibre.
The fibre ________________to make paper.
were mixed and boiled
was beaten, cut up and mixed with
was poured
was dried and pressed
Why does the writer mention the emperor in paragraph 4
4
3
4
What qualities can you find from Cai Lun
He has a sense of responsibility.
As the head officer of the palace workshop, he tried to solve the problem.
He is careful and observant.
He learned from old ways and found better methods.
He is creative and wise.
He thought of using cheap materials to make better paper.
He is hard-working and patient.
He did lots of experiments and never gave up.
Influence
Chinese neighbouring countries
Europe
printing
much more books
a new birth of knowledge
How did papermaking change civilization around the world
5
Influence
How did papermaking make a difference to the world
speed up the development of Chinese culture
change civilizations around the world
lead to a rapid increase in the number of books
result in a new birth of knowledge
5
Influence
the papermaking technique
the use of paper and printing
the rapid increase in the number of books
Tip:
①就近定位，并结合单复数、词性、人称的语法一致性缩小范围；
②回溯前文1~2句，根据语义锁定与代词有逻辑关联的内容，如名词或事件；
③代入验证，将指代对象代入代词的位置，通读前后文，确保语义、语法、逻辑均通顺。
What other ancient Chinese inventions do you know
How was the world changed by them
After reading
It, more than any other invention, played a key role in the rapid spread of information that shaped our modern world.
Different methods for creating something to write on were
tried, but none worked well.
Surprisingly, this paper was soft, light, easy to make and use, and
most importantly, cheap.

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