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(共48张PPT)
Unit 6
When was it invented
Section A 1a--2d
What are the Four Great Inventions in ancient China
Question:
Chinese inventions
compass
gun powder
printing
paper-making
Chinese people invented the four great inventions.
The four great inventions were invented by Chinese people.
printing
Bi Sheng invented the printing.
The printing Bi Sheng.
was invented by
Who was the printing invented by
When was it invented
It was invented in Song Dynasty.
1300 years ago
/ Song Dynasty
(print)
paper making
In Han Dynasty
(make paper)
Who was the paper making invented by
Cai Lun invented the paper making.
The paper making Cai Lun.
was invented by
When was it invented
It was invented in Han Dynasty.
gun powder
Who was the gun powder invented by
Tang Dynasty
(fight in the war)
Chinese people invented the gun power.
The gun powder Chinese people.
was invented by
When was it invented
It was invented in Tang Dynasty.
compass
Warring States Period
(find the right directions)
Who was the compass invented by
Chinese people invented the compass.
The compass Chinese people.
was invented by
When was it invented
It was invented during the Warring States Period.
ancient inventions
modern inventions
Do you know any modern inventions What are they
Brainstrom: Do you know any modern inventions
car
television
telephone
computer
subway
light bulb
plane
A: I think ______ was invented before ______.
B: Well, I think ______ was invented after ______.
1a. Can you guess which one of them was invented earlier
1b. Listen and match the inventions with the years.
____ 1876
____ 1885
____ 1927
____ 1971
d
a
c
b
A: When was … invented
B: It was invented in …
1. When were the cars invented
A. In 1876. B. In 1885. C. In 1927.
2. What was invented in 1876
A. The telephone. B. The TV. C. The car.
3. When were the personal computers invented
A. In 1885. B. In 1927. C. In 1971.
Listen again and answer the questions.
a. need to take a history class b. My family had a car.
c. have modern inventions d. were invented
e. couldn’t afford one.
Alice: Was your life very difficult when you were a kid
Grandma: Oh, not really. Why
Alice: Well, you didn’t ___________ like a telephone, right
Grandma: Of course we did! How old do you think I am The
telephone was invented in 1876. You _________, Alice!
Alice: Ha, ha! How about cars They weren’t invented yet, were they
Grandma: Yes, they were. Cars were invented in 1885.__________.
Alice: Well, did you have a TV
Grandma: No, we _________. They were expensive in those days. The TV was invented around 1927, I think.
Alice: Well, I know that you didn’t have a computer because we learned in school that personal computers _________in 1971.
Grandma: You’re right. But I have one now!
c
a
b
e
d
Alice: Was your life very _________ when you were a kid
Grandma: Oh, _________. Why
Alice: Well, you didn’t have modern inventions like a telephone, right
Grandma: Of course we did! How old do you think I am The telephone
___________ in_____. You need to take a _______ class, Alice!
Alice: Haha! How about ____ They weren’t invented yet, were they
Grandma: Yes, they were. Cars were invented in _____. My family had a car.
Alice: Well, did you have a ____ Grandma: No, we couldn’t ______ one. They were ________
in those days. The TV was invented around ______, I think.
Alice: Well, I know that you didn’t have a ________because we learned in school
that personal computers were invented in ______.
Grandma: You’re right. But I have one now!

difficult
not really
was invented
1876
history
cars
1885
TV
afford
expensive
1927
computer
1971
Listen and fill in the blanks.
While-listening
Pairwork
A: When was the …invented
B: It was invented in …
A: Who was it invented by
B: It was invented by…
A: Do you know what it is used for
B: It is used for ...
Karl Benz
in 1885
in 1971
John Atanasoff
in 1876
Bell
J. L. Baird
in 1927
in 1839
Luis
washing hair
skating
running
magic inventions
What are they used for
shoes with special heels
shoes with lights
hot ice-cream scoop
带特殊鞋跟的鞋
发光的鞋
冰激凌加热勺,靠电力驱动
low heel
high heel
scoop
Look at the picture below.
What are the things on the table
Pre-listening
shoes with lights
shoes with special heels
raising or lowering
moving up and down
ice-cream scoop
serving something cold
seeing in the dark
magic inventions
What are they used for
Listen and number the inventions [1-3] in the order you hear them.
1
3
2
1b
2a
Invention What is it / are they used for
shoes with special heels ________ the style of the shoes
shoes with lights
seeing ___________
hot ice-cream scoop ________ really cold ice-cream
Listen again and complete the chart.
changing
serving
in the dark
n. 样式; 款式
2b
The first invention is shoes with ________. People always hit their toes against __________ on the way to the bathroom at night. So people can use them for ________ in the ______.
Listen again and fill in the blanks.
something
seeing
dark
lights
The second invention is a special ice-cream ______. It runs on _________ and becomes hot. It’s _____ for serving really _____ ice-cream.
The last invention is shoes with special _____. People can move the heels _____ and ______. You can _____ the heels if you are going to a party or ______ them if you are just going out for shopping.
scoop
electricity
used
cold
heels
up
down
raise
lower
A: Hi! What is it/are they called
B: It’s /They’re called...
A: What is it/are they used for
B: It's/They're used for…
hot ice-cream scoop
shoes with special heels
shoes with lights
Make conversations using the information in 2b.
2c
Post-listening
It was invented by________.
Who was ___________invented by
Bell
What is it used for
I think it is used for_________________.
talking with people
What is it used for
I think it is used for_________________.
It was invented by___________.
Carl Benz
Who was ___________invented by
What are they used for
I think they are used for_________________.
seeing in the dark
They were invented by___________.
Edison
Who were ___________invented by
traveling
Post-listening
Fill in the blanks and then ask and answer in pairs.
Bell
Carl Benz
Edison
Invention Inventor Time Usage (用途)
light bulb Edison 1830 giving light
camera a Frenchman 1837 taking pictures
bike an Englishman 1839 riding
basketball James Naismith 1861 Playing
plane the Wright brothers 1903 traveling
computer an American 1976 getting information
the iphone Jobs 2007 talking with people
Groupwork
A: When was/were the…. Invented B: It was/They were invented in…
A:Who was/were the… invented by B: It was/They were invented by…
A: What is it/are they used for B: It’s/They’re used for…
Make up a conversation according to the table.
Report:In my group, my favorite invention is ____. I think it is______. It was invented in_____ by ______. It’s used for _____.
Tom’s favorite invention is _____.
He thinks it is ____. It was invented in _____ by ______. It’s used for ______...….
What’s your favorite invention
When was it invented
Who was it invented by
What’s it used for
Talk about these questions in groups.
Have you ever thought of inventing anything by yourself
to make your life easier
Creative designer
What do you think is very interesting to invent
Why do you want to invent it
Can you draw it and tell us what it looks like
What can it be used for？
Report: I want to invent this kind of machine. Because I am lazy.I don't want to get up early every morning. If the alarm o'clock goes off, we can be woken up by its mechanical (机械的）arm. So it can be used for waking me up.
There are no problems---
only opportunities
to be creative.
Small inventions can really change the world!
What small inventions can you think of
2d
What’s this
zipper n. 拉链；拉锁
Where can you see it
pants
trousers
bags
backpack
dressers
shoes
suitcase
pencil case
Watch the video
4. Who was the zipper invented by
5. When was the zipper invented
6. When was it first used widely
Read 2d and answer the following questions.
What is the subject for their school project
2. What kind of invention does Roy think of
3. Why does Roy think it is a great invention
Small inventions that changed the world.
The zipper.
Because it is often used in our daily lives.
It was invented by Whitcomb Judson.
It was invented in 1893.
It became popular in around 1917.
Paul: Hey Roy, the subject for my school project is “Small inventions that changed the world”.
Can you help me think of an invention
Roy: With pleasure! Let me think... hmm...I know! The zipper!
Paul: The zipper Is it really such a great invention
Roy: Think about how often it’s used in our daily lives. You can see zippers on dresses, trousers,
shoes, bags.. almost everywhere!
Paul: Well, you do seem to have a point…
Roy: Of course! I thought about it because I saw a website last week. The pioneers of different
inventions were listed there. For example, it mentioned that the zipper was invented by
Whitcomb Judson in 1893. But at that time, it wasn't used widely.
Paul: Really So when did it become popular
Roy: Around 1917.
n. 项目；工程
adj. 每日的；日常的
有道理
pioneer n. 先锋；先驱
n. 网站
它提到……
Role-play the conversation.
很乐意
Top 10 “inventions” that changed the world
1. GPS Technology
2. The Sony Walkman
3. The Bar code (条形码)
4. TV Dinners (冷冻快餐)
5. PlayStation
(家庭电视机游戏)
8. Electronic Money
6. Social Networking
7. Text messages
9. Microwaves
10. Trainers
Great inventions make our life
______________________________________
Without inventions, our life will be more difficult and less pleasant.
conclusion
No inventions, no life!
创造使生活更美好！
much easier and more comfortable.
1. What are they used for 它们是用来做什么的？
be used for sth. /doing sth.意为“被用来做某事”，表示用途或目的，后接名词或动名词，相当于be used to do sth.
Clothes are used for keeping (= to keep) warm.
Wood can be used for building (= to build) houses.
The stick is used to write on the blackboard.
Language Points
used to do sth.意为“过去常常做某事”。
I used to smoke when I was young.
use sth. to do sth.意为“使用某物来做某事”, 其被动结构为“sth. be used to do sth.”。
These knives are used to cut pies.
be used as 意为“被用作……，被作为……使用”。
English is used as a foreign language in China.
be used by 意为“被……使用”。
Rubbers are often used by students to correct mistakes.
2. — Can you help me think of an invention
— My pleasure!
My pleasure也可说成It’s a / my pleasure.或 A pleasure，意思是“我的荣幸；愿为你效劳；这是件愉快的事”。
— Will you please help me take the books to the classroom
请你帮我把这些书带到教室里去好吗？
— My pleasure. / It's a pleasure. 愿为你效劳。
pleasure n. 愉快；高兴
I will remember this meeting with pleasure.
我会愉快地记着这次的会晤。
It is a pleasure to work with you. 和你一起工作真是件乐事。
at (one’ s) pleasure 随便
You are free to come and go at your pleasure.
来去自由, 悉听尊便。
take pleasure in 以某事为乐，喜欢做某事
with pleasure 愉快地，高兴地，没问题
3. Well, you do seem to have a point …
(1) you do seem to have a point … 是个强调句，用“助动词do +谓语动词原形”的结构。
Do Stay for supper! 一定要留下吃晚饭！
He did come here yesterday. 他昨天的确来这儿了。
Do come to my birthday party. 一定要来我的生日聚会。
(2) have a point 有道理
I guess you have a point there. 我想你说的有道理。
Strangely, both of them may have a point.
奇怪的是, 两个人似乎都有道理
4. … it mentioned that the zipper was …
(1) mention表示“提到；提及”，是及物动词，其后接名词或代词作宾语时，无需用任何介词；另外注意不接双宾语。如：
Don’t mention this problem this evening.
今晚别提这个问题。
Nobody mentioned the time of this meeting.
谁也没有提到这次会议的时间。
He never mentioned his tall friend to me.
/ He never mentioned to me that he had a tall friend.
他从未向我提及他有个女朋友。
（2）若后接动词，要用动名词，不能用不定式。
Whenever I mention playing football, he says he’ s too busy.
我一提起踢足球，他就说太忙。
（3） not to mention意为“更不用说；还不算”。
He can speak French, German and Japanese, not to mention
English.
他会说法语、德语和日语，更不用说英语。
（4） 口语中说 Don’ t mention it. 主要用来回答感谢，有时也用来回答道歉。如：
A：Thank you very much. 多谢你了。
B：Don’ t mention it. 不客气。
A：I’ m sorry to have troubled you. 对不起打扰你了。
B：Don’ t mention it. 没关系。
Ⅰ. 单选。
（1）English is widely used _______ many people around the world _______ a second language.
A. by；for B. by; as
C. as；for D. for；as
（2） —Thank you for taking me around your school, Daming.
—________
A. Don’t mention it. B. Never mind.
C. Of course not. D. No problem.
Exercises
B
A
Ⅱ.根据句意和所给汉语提示, 完成下列单词的拼写。
1. That’s the most _________ (有用的) book.
2. It is said that Thomas Edison had 1,093___________(发明)
during his lifetime.
3.——What is this kind of machine used for
——It’s used for _________ (听) to music.
4. If you _________ (加热) the ice, it will soon become water.
5. Children also need time _________ (玩耍).
useful
inventions
listening
heat
to play
Ⅲ.句型转换。
1. The personal computer was invented in 1976. (对划线部分提问)
_________ __________the personal computer _________
2. The shoes with lights were invented by Julie Thompson.
(对划线部分提问)
_________ _________the shoes with lights _______ _______
When
was
invented
Who
were
invented
by
3. Knives are used for cutting things. (对划线部分提问)
_______ _______ knives _______ _______
4. A Chinese named Cai Lun invented paper. (改为被动语态)
Paper _______ _______ _______ a Chinese named Cai Lun.
What
are
used
for
was
invented
by
Homework
1. Recite the conversation in 2d.
2. Preview the passage An
Accidental Invention on page 43.

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