Unit 6 When was it invented? Section A 2a-2d 课件（25张PPT，内嵌音频） 人教版英语九年级全册

(共25张PPT)
Unit 6
When was it invented？
Section A 2a-2d
A: When was the _______ invented
B: I think it was invented in ______.
Review
1976
1885
1971
1927
1876
A: What is the _______ used for
B: I think it is used for _______________.
talking with people
The light bulb was invented by Edison.
inventor: Edison
use: give light
The light bulb is used for giving light.
The telephone was invented by Bell.
The telephone is used for talking with people without meeting.
use: talk with people without meeting
inventor: Bell
Production
Listen and number the inventions [1-3] in the order you hear them.
1
2
3
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.
2b
changing
serving
in the dark
The first invention is shoes with ________. People always hit their toes（脚趾 ） on __________ on the way to the bathroom at night. So people can use them for ________ in the ______.
Listen again and fill in the blanks.
something
seeing
dark
lights
The second invention is a special ice-cream ______. It runs on _________ and becomes hot. It’s _____ for serving really _____ ice-cream.
scoop
electricity
used
cold
The last invention is shoes with special _____. People can move the heels _____ and ______. You can _____ the heels if you are going to a ______ or ______ them if you are just going out for _________.
heels
down
up
raise
party
lower
shopping
light bulb
1879
Edison.
When was it invented
It was invented in 1879.
Who was it invented by
It was invented by Edison.
What’s it used for
It’s used for helping people see in the dark.
Pair-work
When was it invented
Who was it invented by
What is it used for
Benz.
It was invented in 1885.
It is used for traveling.
It was invented by Benz.
A: Look! This looks so interesting!
B: Ah, it’s a great invention of China.
A: Really When ______ it _________
B: I think it ______ _________ in Han Dynasty.
A: What ______ it ______ for
B: Guess!
A: ______ it ______ for holding water
B: No. It _____ ______ for testing earthquakes.
A: Wow, it’s really amazing!
was
invented
was
invented
is
used
Is
used
is
used
Make conversations using the information in 2b.
What are the shoes with lights used for
They’re used for seeing in the dark.
be used for doing sth.“被用来做某事”。
与be used to do sth. 同义。表用途、目的。
What are the ... used for
They`re used for...
Read 2d and answer.
1. What kind of invention does Roy think of
2. Who was the zipper invented by
3. When did the zipper become popular
The zipper.
The zipper was invented by Whitcomb Judson.
Around 1917.
Complete the conversations.
1.It was invented in 1893.
the zipper
2.It was invented by Whitcomb Judson.
it by
3.It was brought to Korea during the 6th and 7th centuries.
tea to Korea
4.It's used for serving really cold ice-cream.
the hot ice-cream scoop
When
was
invented
Who
was
invented
When
was
brought
What
is
used
for
2d Role-play the conversation.
Paul : Hey Roy, the subject _____my school project is“Small inventions ____ changed the world”. Can you help me _______ an invention
Roy:__________. Let me think …hmm…I know!The zipper!
Paul:The zipper Is it really a great invention
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 ____________…
for
that
think of
With pleasure
such
have a point
Roy: Of course! I thought about it because I saw a website last week. The pioneers of different inventions_________ there. For example, it
mentioned that the zipper________________ Whitcomb Judson in 1893. But at that time, it __________ widely.
Paul: Really So when did it become popular
Roy: ________1917.
一、 根据句意及汉语或首字母提示完成句子。
1. （2022·成都）Jiangnan， a famous area in China， has long
been in many Chinese poems for its beautiful style.
2. （2023·成都）Humor is a type of language art， which brings a lot
of and laughter to our daily life.
3. According to many Chinese scientists， she is the （先锋）
in this field.
mentioned　
pleasure　
pioneer　
4. （2023·乐山）Many young people often share their （日常
的） life on TikTok.
5. She usually makes a shopping （清单） for me when I go
shopping.
daily　
list　
二、 用所给词的适当形式填空。
1. The mobile phone is （wide） used in our lives now.
2. There are many new （style） of T-shirts. You can choose one.
3. We Chinese should be proud of our history， our written language，
our （invent） and our achievements.
4. We can also turn the sunlight into （electric）.
widely　
styles　
inventions　
electricity　
四、 根据所给汉语意思，用单词或短语完成下列英文句子。
1. 看来你说的确实有点道理。
You seem .
2. 1917年左右，拉链变得流行。
Zippers around 1917.
3. （2023·西安建筑科技大学附属中学期中）电脑是世界上最伟大的发
明之一。
The computer is one of the inventions in the world.
do　
to have a point　
became popular　
greatest　
4. 这个杯子是用来喝果汁的。
The cup juice.
5. 请问你能帮我想出一项发明吗？
Could you please help me an invention？
6. 你可以想想电话的使用频率。
You can think about the telephone is used.
7. 你知道电视是什么时候发明的吗？
Do you know when the TV ？
8. 所有发明家的名字都被列在一张纸上了。
The names of all the inventors on a piece of paper.
is used for drinking　
think of　
how often　
was invented　
were listed　
五、 （2024·西安市莲湖区期末）补全对话。
A： Hi， Nick. 1. ？
B： I’m reading an article about a robot.
A： 2. ？
B： It was invented by someone in a US company.
A： Sounds interesting. 3. ？
B： It can do lots of things， like answering questions， writing passages
and chatting with us.
What are you doing　
Who invented it　
What can it do　
A： Can we use it for our homework？
B： 4. . But we’d better use it as a
learning tool and not depend on it.
A： Why？
B： Because if we do so， our ability to think and learn will be weaker and
weaker. Maybe we’ll lose it.
A： 5. . The more we use
it， the lazier our brain will be.
Sure/Of course/Yes， we can　
You’re right/I agree with you/I think so/Yes　
1.完成学友第一，二课时内容。
2.预习3a,并且背会单词，读熟课文3a.
3.坚持每日单词打卡和口语练习。