(共30张PPT)
Unit 6
When was it invented
Section A 1a-2d
What are the people doing
Do you know the English names of the four great inventions in ancient China
Printing
Compass
Paper making
Gunpowder
Among the four great inventions of China, which one of them was invented first Which one of them was invented last
the Warring States Period
Eastern Han Dynasty
Tang Dynasty
Eastern Jin Dynasty
Do you know what these inventions are
car
telephone
television
Karl Benz
Do you know who these inventors are
Alexander Bell
J. L. Baird
Can you match the inventions with the right inventors
Look and say
What can you see in the pictures
Can you guess who invented them
Was the TV invented before the car or after the car
1a
Look at the things below. In what order do you think they were invented Discuss them with your group. Then number them [1-4] (1=first, 4=last).
2
3
1
4
A: I think the TV was invented before the car.
B: Well, I think the TV was invented after the car.
What are they talking about
Can you guess when the inventions were invented according to the left column and 1a
_____ 1876
_____ 1885
_____ 1927
_____ 1971
Guess
The car was invented before the TV set.
Game
A:I think … was invented before …
B:Well, I think … was invented after …
The telephone was invented
before the TV set.
A:I think … was invented before …
B:Well, I think … was invented after …
1b
Listen and match the inventions with the years.
_____ 1876
_____ 1885
_____1927
_____1971
d
a
c
b
I ask and you answer
_____ 1876
_____ 1885
_____1927
_____1971
d
a
c
b
— When was the telephone invented
— It was invented in …
A: When was the telephone invented
B: It was invented in 1876 .
1971 1885 1927 1876
1903 A.D.105 1879 2010
Pair work
Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change roles and practice again.
1c
A: When was the telephone invented
B: I think it was invented in 1876.
She is scooping by using the scoop.
scoop
Lead in
What is it used for
It is used for counting.
calculator
What are they used for
They are used for giving light.
light bulbs
Ergonomic Ladder
(人体工学阶梯)
The Weight Watch Belt
Counterpoise 平衡椅
What are they used for
2a Listen and number the inventions [1-3] in the
order you hear them.
3
1
2
2b Listen again and complete the chart.
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
changing
serving
in the dark
What is / are … used for
It’s / They’re … used for …
What is / are … used for
It’s / They’re … used for …
What’s it
Where can you see it
Who invented it and when was it invented
Look and guess
Role-play the conversation.
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
with pleasure 乐意效劳
my pleasure 不客气
such a/an + adj. +可数名词单数
如此……的一个……
= so + adj. + a/an + 可数名词单数
2d
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…
有道理
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.
Exercises
根据句意填写恰当的单词。
1. Edison _________ the electric lamp.
2. I lost my necklace last night. I haven’t ________ it.
3. Who ___________ America first
4. The telephone _______________ in 1876.
invented
found
discovered
was invented
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 __________ ____
A Chinese named Cai Lun invented paper. (改为被动语态)
Paper _______ ________ _______ a Chinese named Cai Lun.
When
was
invented
Who
were
invented
by
was invented by
看图完成句子。
1. (1885, invented)
Cars _______ _________ in 1885.
2. (around 1927, invented)
The TV _______ _______ around 1927.
were
invented
was
invented
3. (1971, invented)
The personal computer ______ ______ ______ 1971.
4. (1896，invented)
The telephone_______ ______ ______ ______.
was
invented
in
was
invented in
1896
