内容正文:
Unit 5 Power of ideas
第五课时
Section B 1a-1e
How do we turn ideas into reality?
Reading
Learning Objectives
1
2
3
通过阅读关于造纸术的语篇,获取古代书写材料、蔡伦改进造纸术的实验过程以及造纸术对世界的深远影响等关键信息,理解段落主旨和代词指代关系。(学习理解)
根据时间顺序正确排序造纸流程,运用被动语态复述造纸过程,完成对比表格梳理蔡伦造纸前后的变化。(应用实践)
谈论其他中国古代发明及其对世界的影响,探讨伟大发明家应具备的品质,表达个人观点,感悟中国古代科技成就和创新精神。(迁移创新)
paper bags
book
envelops
lanterns
paper
newspaper
magazine
notebooks
box
napkin
Lead-in
Papermaking plays an important part in our life.
Papermaking
What do you know about the papermaking? Let’s start reading!
1b. Read the text and match each paragragh with its topic.
Fast-reading
Part 1(_______): introduction
Part 2(_______): problem
Part 3(_______): solution
Part 4(_______): influence
Divide the text into four parts based on the main ideas.
para.1
para.2
para.3-4
para.5
Part 1(para.1): introduction
Part 2(para.2): problem
Part 3(para.3&4): solution
Part 4(para.5): influence
Identifying text organization
Finding main ideas in paragraphs helps understand text organization.
识别文本结构
找到段落主旨有助于理解文本结构。
What’s the structure of this passage?
Part 1(para.1): introduction
Part 2(para.2): problem
Part 3(para.3&4): solution
Part 4(para.5): influence
C.
D.
B.
A.
Careful-reading
( )1. How does the writer introuduce the invention-papermaking?
A.By asking a question. B. By giving an example.
C.By listing numbers. D.By using sayings
2.It in Paragraph 1 refer to______________________. (课本P47 1C )
papermaking
A
Read Para. 1 , choose the right answer and
find out the pronoun refer to.
Part 1(para.1): introduction
Question Material to write on before Cai Lun
What was used to make it?
(materials) People wrote on______________, ______________, __________, ________, __________, ________ and ________.
What was it like?
(disavantages)
All these materials were either ________________ or____________________
animal bones
bronze wares
stones
wood
silk
jute
bamboo
difficult to use and store
very expensive
Read Para. 2 and fill in the chart.
Careful-reading
How to solve the problems?
Part 2(para.2): Problem
either...or...
或者...... 或者......
要么...... 要么......
Read Para. 3~4 and fill in the chart.
Careful-reading
Question Cai Lun’s paper
What was used to make it?(materials) _______, ______________ and ____________could be used to make a special material suitable to write on.
What was it like?
(advantages) This paper was_____, ______, _____________________, and________________.
Bark certain plants old clothes
Part 3(para.3&4): solution
Para. 3
Read Para. 3~4 and fill in the chart.
Careful-reading
Question Cai Lun’s paper
What was used to make it?(materials) _______, ______________ and ____________could be used to make a special material suitable to write on.
What was it like?
(advantages) This paper was_____, ______, _____________________, and________________.
Bark certain plants old clothes
Para. 4
soft light easy to make and use
cheap
Read Para. 4 again and put the sentences in order
Careful-reading
_______A.The material was beaten, cut up, and mixed with water.
_______B. All the ingredients were mixed and boiled in water.
_______C. The fibre was dried and pressed to form paper.
_______D. The liquid was poured over a bamboo screen, leaving just the fibre.
1
2
3
4
课本
P47 1e
Tip: pay attention to the sequence linking words.
关注表示顺序的连接词。
First, all the ingredients were mixed and boiled in water.
Then,the material was beaten, cut up, and mixed with water.
Next,the liquid was poured over a bamboo screen, leaving just the fibre.
Finally, the fibre was dried and pressed to form paper.
Retell the process of making paper in your own words.
Read Para. 5 and answer the question
Careful-reading
What influences did the papermaking technique bring?
It not only speeded up the development of Chinese culture, but also changed civilizations around the world.
Part 5(para.5): Influence
Read Para. 5 and find out what these pronoun refer to.
Careful-reading
It in Paragraph 5 refer to______________________. (课本P47 1C )
it in Paragraph 5 refer to______________________.
This in Paragraph 5 refer to______________________.
the papermaking techniqu
the use of paper and printing
a rapid increase in number of books.
Tip:
代词(it / this / that / they)一般指代它前面刚提到过的名词/事情。
Paper-making
Compass
Gunpowder
Printing
Post-reading
1.What other ancient Chinese inventions do you know? How was the world changed by them?
1f Discuss the questions.
Think Further
What qualities do you think a great inventor has?
curiosity
creativity
courage
wisedom
persisdence
experience
Ideas + experiment + hard work
= Reality
Let’ s follow the video
依赖,取决于
对......负责任; 促成
V.塑造
要么......要么 ......
或者 ......或者 ......
主管
变得对......感兴趣
努力解决问题
切碎
把......倒在.....上
令所有人的惊讶的是
praise sb. for sth. 因某事表扬某人
不仅......而且 ......
加速
结合,融合
造成
......的数量
导致
Must-do
1.抄写单词。(明天听写)
2.完成练习册上的题 P76 III 完形填空
Choose-to do
创意思考:Make a papermaking poster and describe its steps with the linking words: First, Then, Next and Finally.
制作一张造纸术海报,并使用连接词:First、Then、Next 和 Finally 来描述它的制作步骤。
Homework
Exercise
1. 依靠;取决于 ________________________
2. 对……负有责任;促成 ________________________
3. 要么...... 要么...... ________________________
4. 令所有人惊讶的是 ________________________
5. 因某事而表扬某人 ________________________
6. 变得对......感兴趣____________________
7. 导致;引发 ________________________
8. 造成;带来……结果 ________________________
9. 不仅...... 而且...... ________________________
10. ……的数量 ________________________
11.解决问题_______________________
depend on
be responsible for
either...or
to everyone’s surprise
praise sb. for sth.
become interested in...
lead to
result in
not only...but also....
the number of
solve the problems
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