Unit 9 When was it invented?(Section A 1a-2b)

(共20张PPT)
Free talk : What is it
Microwave oven
It is used for cooking and heating food.
(加热)
What is it used for
It is used for counting.
calculator
What are they used for
They are used for giving light.
light bulbs
…….in 1350.
……. by a German.
……… telling us the time and
telling us to get up on time.
……… by Cai lun in China.
It’s used for…….
Inventions When was it invented Who was it invented by What is it used for
1946 Noiman Getting information from the world
1889 Bell Taking photos
200 years ago Edison Giving us light
Ask and answer in pairs
computer
camera
light bulb
What is/are … used for
It’s/They’re … used for…
Who was (telephone) invented by
It was invented by Bell.
Henry Ford
Edison
Bell
Cai Lun
Wright brothers
fisher
inventors
inventions
Papermaking
Plane
Washing machine
Light bulb
Car
Telephone
1b
Do you know when they were invented
a
b
e
d
c
1876
1885
1927
1971
1976
d
a
b
e
c
1876
1885
1927
1971
1976
When was the car invented
It was invented in 1885.
battery-operated
slippers
heated
ice cream scoop
shoes with adjustable heels
电池供电
的拖鞋
加热冰淇凌
的勺子
可调节
后跟的鞋
2a
Listen and number the inventions in
the order that you hear.
3
1
2
2b Listen again. Match the inventions with their inventors and uses.
Invention
shoes with adjustable heels
battery-operated slippers
heated ice cream scoop
Who was it/ were they invented by
Chelsea Lanmon
Jayce Coziar and Jamie Ellsworth
Julie Thompson
What is it/ are they used for
scooping really cold ice cream
seeing in the dark
changing the style of the shoes
be used for doing sth.
被用来做某事
be used to do sth.
used to do sth.
以前常做某事
be/get used to doing sth.
习惯做某事
1.The machine __________ making shoes.
2.The foreigner __________ living here.
3.Knives can ___________ cut apples.
4.English __________ travelers and business
people all over the world.
5.Trees can be used ___ making paper.
6.The hammer(锤子) is used ____ break nails into the wall.
7.He is used ____ doing hard work.
is used for
is used to
be used to
is used by
for
to
to
Grammar focus
1.-When was … invented
-It was invented in …
2.-Who was it invented by
-It was invented by…
3.-What is it used for
-It is used for (doing)…