人教版九年级英语全册Unit6 When was it invented 课时1 SectionA(1a-2d)上课课件＋音频(共24张PPT，含内嵌视频)

(共24张PPT)
Section A (1a–2d)
Unit 6
When was it invented
课时教学目标
语言能力:
1.学习并掌握课时词汇及 be used for 等；
2.能听懂并运用一般过去时的被动语态谈论物品的发明者、发明时间及用途等。
思维品质:
1.能够通过观察事物，发挥想象力认识事物；
2.面对问题能用积极的态度去解决。
文化意识：
能够明白科学发明改变人类生活，提升科学精神。
学习能力:
1.能够运用英语听力技巧，完成听力任务；
2.体验一般过去时被动语态的用法。
Enjoy a video
Lead-in
Who invented movable type printing
Movable type printing was invented by Bi Sheng.
Bi Sheng invented movable type printing.
Brainstorm
Modern inventions
1a
Look at the things below. In what order do you think they were invented Discuss them with your group. Then number them [1-4].
2
3
1
4
A: I think the TV
was invented
before the car.
B: Well, I think the
TV was invented
after the car.
inventor n. 发明者，发明家； invention n. 发明
invent 指创造出以前不存在的东西，尤指科技上的发明创造; discover 指初次看见本来已存在但以前未被发现的事物。
read
四位数的
年份读法
2003 two thousand and three, 中间两位数字是0，读出千位数字，并在千位加thousand, 用and 连接个位数
两个数字一组, 分为前后两组
1789
seventeen eighty-nine
后两位数字为零,读出前两位数字，并在“百”的位置上加上hundred
1700
seventeen hundred
1709 第三位数字是零（其他数字不是零），则该“零”应读作字母“O”
seventeen o nine
2000 整千年份，读thousand
two thousand
Listen and match the inventions with the years.
_________ 1876
_________ 1885
_________ 1927
_________ 1971
d
a
c
b
1b
a
b
c
d
I think it was invented in 1876.
When was the telephone invented
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
It was invented in 1885.
When was the car invented
Student A, cover the dates. Student B, ask Student A when the things in the picture in 1b were invented. Then change roles and practice again.
1c
When was the TV invented
It was invented in 1927.
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
When was the computer invented
It was invented in 1971.
Student A, cover the dates. Student B, ask Student A when the things in the picture in 1b were invented. Then change roles and practice again.
1c
What can you see in the picture
heel n. 鞋跟；足跟
靠电运行
2a
3
1
2
Listen again and complete the chart below.
in the dark
changing
serving
2b
Listen for the third time and complete the passage.
The first invention is shoes with ________ . People always hit their toes against ________ on the way to the bathroom at night. So people can use them for ________ in the ________ . The second invention is a special ice-cream ________ . It runs on _______ and becomes hot. It’s used for serving really ________ ice-cream. The last invention is shoes with special ________ . People can move the heels up and down. You can raise the heels if you are going to a ________ or lower them if you are just going out for ________.
lights
something
seeing
dark
scoop
electricity
cold
heels
party
shopping
2b
被用于做某事
What are they used for
They are used for changing the style of the shoes.
Make conversations using the information in 2b.
2c
style n. 样式，款式
out of style 过时的；in style 时尚的
What are they used for
They are used for seeing in the dark when you get up at night.
Make conversations using the information in 2b.
2c
What is it used for
It’s used for serving really cold ice-cream.
Make conversations using the information in 2b.
2c
2d
Prediction:
What is the conversation about
It may be about the invention of zippers.
2d
Read the conversation and complete the mind map.
Why did Roy think so
When was it invented
_____was it invented by
When did it become ________
We can see zippers almost ________________.
It was invented by Whitcomb Judson in________.
Around 1917.
A small invention
that changed the
world—the zipper
Who
popular
everywhere
1893
Paul: Hey Roy, the subject for my school project is “Small inventions that changed the world”. Can you help me think of an invention
Roy: With pleasure! Let me think ... hmm ... I know! The zipper!
Paul: The zipper Is it really such 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!
Read the conversation and learn the language points.
2d
乐意效劳
考虑；思考
在我们的日常生活中
such a great invention如此伟大的一项发明
such +a(n) +adj. +名词单数 如此……的一个……
Read the conversation and learn the language points.
2d
Paul: Well, you do seem to have a point ...
Roy: Of course! I thought about it because I saw a website last week. The pioneers of different inventions were listed there. For example, it mentioned that the zipper was invented by Whitcomb Judson in 1893. But at that time, it wasn’t used widely.
Paul: Really So when did it become popular
Roy: Around 1917.
seem 似乎
seem +adj.
seem+to do sth.
It seems that+从句
提到；提及 mention sb. /sth.提到某人/某事物；
mention +从句 提到……；
Don’t mention it. “不客气。” (回答别人道谢)
有道理
1. Look at his pale face. He seems _______ (health) and he needs to do
sports more often.
2. You seem ______________ (有道理). Let’s give it a try.
3. It is ____________________________________________________
（如此有趣的一本书）that we all enjoy reading it.
4. There are _________________（如此多的蝴蝶） among the flowers.
5. Jiangnan, a famous area in China, has long been ____________ (mention)in many Chinese poems for its beautiful style.
2d针对训练
unhealthy
to have a point
such an interesting book/so interesting a book
so many butterflies
mentioned
Summary
Words and phrases
heel, scoop, electricity, style project, pleasure, zipper,daily, with pleasure, in our daily lives, have a point, website, pioneer, list, mention
Sentence Patterns
Who was/were ... invented by
It was/They were invented by...
What is it/are they used for
It is/They are used for...
Homework
实践性作业
Think of another small invention that changed the world and share some information about it with your classmates.
1
2