Unit 6 When was it invented? Section A (1a-1c)课件(共17张PPT) 2022-2023学年人教版九年级全册英语

(共17张PPT)
Unit 6 When was it invented
Section A (1a-1c)
compass
gunpowder
art of printing
paper
Chinese Four Great inventions
1. What’s their relationship
2.What are they talking about
inventions
grandaughter
grandma
In what order do you think they were invented Discuss them with your group. Then number them [1-4]（1=first,4=last）.
1a
A: Which one do you think was invented firstly
B: I think …was invented firstly.
A:Which one do you think was invented lastly
B: I think …was invented lastly. So I think ... was invented before/ after ....
A: So it was./ I don’t think so.
I think ... was invented before/ after ....
Alice
Alice’s grandma
What are their ideas
Listen and match the inventions with the years.
___ 1876
___ 1885
___ 1927
___ 1971
1b
I think … was invented in …
Listen and match the inventions with the years.
___ 1876
___ 1885
___ 1927
___ 1971
d
a
c
b
1b
In fact \ Actually, …was invented in…
Inventions Invented or not Had or not Reasons
telephone
car
TV
computer
1. Were the things invented when grandma was a child
2. Did her family have them at home
3. Why didn’t they have a certain invention at home
It was very expensive and her family couldn’t afford it.
It was not invented when grandma was a child.
Listen again
√
√
√
√
√
×
×
×
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 … invented
B: I think … was invented in …
A: When was … invented
B: I think … was invented in …
Fill in the blanks according to the listening materials.
1c
Alice and her grandmather are talking about the _________________. The life was ___________ for grandmather when she was a kid because of the following reasons. Her family owned a telephone which _____________ in 1876. Besides she also had a car _________ was invented in 1885. It was a pity that she didn’t have a TV ________ around 1972. That’s beacuse the price of it was so _______ that she couldn’t ________ it. The last thing is personal computers that _____________ in 1971. In the past, she didn’t have one but now she owns one.
modern inventions
not difficult
was invented
invented
that/ which
high
afford
were invented
shoes with special heels/hi l/
shoes with lights
hot ice-cream scoop /sku p/
runs on electricity [ lek'tr s ti]
slippers
high-heeled shoes
Listen and number the inventions[1-3]in the order your hear them..
3
1
2
Firstly, I heard... Secondly, I heard... Lastly, I heard...
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 below.
2b
V-ing
n.
V-ing
purpose
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
in the dark
serving
Listen again and complete the chart below.
changing
2b
It is used for …
high-heeled shoes
low-heeled shoes
flat-heeled shoes
slippers
serve = pick up and pass it to the customers
Make conversations using the information in 2b.
2c
A: What’s this / What are these
B: It’s …/ They are ...
A: What’s it used for / What are they used for
B: It is used for …/ They’re used for …
Fill in the blanks according to the listening materials.
1c
Carol and Alex are talking about her English homework that is about some of the interesting _______________. They __________ shoes with lights, a special ice-cream scoop and shoes with special heels. They have different usages. The shoes with lights can ___________ for seeing in the dark when people get up at night because people always hit the toe _________ something on the way to the bathroom. Carol’s favorite invention, a special ice-cream scoop, which runs on ___________ is used for _________ really cold ice-cream. The last invention is shoes with special heels. People can change the ___________ according to different situations, for example, you can ________ the heels if you are going to a party or _________ them if you are going out for shopping.
inventions
include
be used
against
electricity
serving
styles
raise
lower