Unit 6When was it invented?
Section A
light bulb
(电灯泡)
invention
The inventor invented the invention.
The invention was invented by the inventor.
inventor
watches
telling the right time
microwave oven
heating food and cooking meals
alarm clocks
calling people to get up
light bulbs
giving light
counting
calculator
A:What’s/are it/they?
B:It’s/they’are….
A:What is/are … used for?
B:It’s/They’re … used for….
Pair work
1
2
3
4
5
6
1796
When were they invented?
1947
When was it invented?
1350
When were they invented?
1879
When were they invented?
1b
Listen and match the inventions
with the dates.
a
b
e
d
c
1876

1885

1927

1971

1976
d
a
b
e
c
1876
1885
1927
1971
1976
pair work
When was the car invented?
It was invented in 1885.
Chinese inventions
gunpowder
papermaking
compass
printing
How much do you know about the inventions ?
gunpowder
papermaking
compass
printing
Do you want to be an inventor in the future?
Group work (discuss):
A: I want to be an inventor in the future.
( Why? What do you want to invent? And why?)
B: I don’t want to be an inventor in the future.
( Why? What do you want to be ? And why?)
No matter what you want to be
in the future, you should study
hard from now on ,then your
dreams will come true.
Please remember:
1. 世界上许多国家都讲英文。
English_____________in many countries
all over the world . 　　 　
2. 纸是中国发明的。
Paper_____________ in China.
3. 这栋大楼是去年建造的。
The building_____________ last year.
Make sentences
is spoken
was invented
was built
4. 他父亲不会让他娶玛丽为妻的。
He won’t__________ by his father,
to marry Mary.
5.中国成立于1949年。
China ___________ in 1949.
6. 这间教室是昨天被打扫的。
The classroom____________yesterday.
be allowed
was founded
was cleaned
Thank you for listening!