内容正文:
Section A
学练优九年级英语(RJ)
教学课件
Unit 6
When was it invented?
What are the Four Great Inventions
in ancient China?
Do you know?
Lead in
Chinese four great ancient inventions
compass
gun powder
printing
Paper making
Modern inventions
calculator
Talk about the inventions(发明).
Which one do you think is the most helpful in our daily life?
computer
car
calculator
laptop
telephone
cell phone
radio
A: I think the TV was invented
before the car.
B: Well, I think the TV was
invented after the car.
Talk about with your partner.
A: I think the calculator was invented
before the computer.
B: Well, I think the calculator was
invented after the computer.
Talk about with your partner.
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)
1
2
3
4
Presentation
Listen and match the inventions with the years.
a
b
c
d
When was the
...invented?
1876
1885
1927
1971
a
c
b
d
1b
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.
When was the telephone invented?
I think it was invented in 1876.
1c
When was the car invented?
It was invented in 1885.
When was the TV invented?
It was invented in 1927.
When was the computer invented?
It was invented in 1971.
Listen and number the inventions[1-3] in the order you hear them.
3
1
2
___ shoes with
special heels
___ shoes
with lights
___ hot ice-cream
scoop runs on
electricity
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
2b
Make conversations using the information in 2b.
What are the shoes with lights used for?
They’re used for seeing in the dark.
2c
What are hot ice-cream scoop used for?
They’re