(共34张PPT)
人教版2022-2023年度九年级英语全册同步课件
Unit 6 When was it invented
Section A(1a-2d)
Learning objectives
1. Learn some words and useful expressions: style, project, pleasure, daily, website, pioneer, list, mention, have a point, mention sb. /sth., mention sth. to sb.
2.Talk about the history of inventions.
3. Learn some sentences:
① When was the telephone invented
② I think it was invented in 1876.
③ I think the TV was invented before the car.
Do you know the inventions and their inventors
telephone
Alexander Bell
The first telephone
was invented
(by Bell) in 1876.
Bell invented
the first telephone
in 1876.
Lead in
Do you know the inventions and their inventors
television
J. L. Baird
The first television was invented
(by J. L. Baird) in 1927.
J. L. Baird invented
the first television
in 1927.
Do you know the inventions and their inventors
car
Karl Benz
The first car
was invented
(by Karl Benz) in 1885.
Karl Benz invented
the first car
in 1885.
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] (1 = first, 4 = last).
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).
2
3
1
4
I think the TV was invented before the car.
Well, I think the TV was invented after the car.
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).
1a
1b
Look at the picture and years and predict the answer to 1b.
_________ 1876
_________ 1885
_________ 1927
_________ 1971
a
b
c
d
1b
Listen and match the inventions with the years.
_________ 1876
_________ 1885
_________ 1927
_________ 1971
a
b
c
d
d
a
c
b
1. When were the cars invented
A. In 1876. B. In 1885. C. In 1927.
2. What was invented in 1876
A. The telephone. B. The TV. C. The car.
3. When were the personal computers invented
A. In 1885. B. In 1927. C. In 1971.
1b
Listen again and answer the questions.
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.
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 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.
When was
the computer invented
It was invented
in 1971.
What can you see on the table
What is the boy doing
What is the girl doing
What is the scoop used for
What are the shoes used for
Look at the picture and answer the questions.
2a
heel n.鞋跟；足跟
scoop n.勺；铲子
electricity n.电；电能
Listen and number the inventions [1–3] in the order you hear them.
2a
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 below.
2b
in the dark
changing
serving
Make conversations using the information in 2b.
What are they used for
They are used for ……
2c
What’s this
zipper n. 拉链；拉锁
Where can you see it
pants
trousers
bags
backpack
dressers
shoes
suitcase
pencil case
Read the conversation of 2d on Page 42 and try to
answer the questions.
2d
Who invented the zipper
When was the zipper invented
When was it first used widely
Whitcomb Judson invented the zipper.
It was invented in 1893.
It became popular in around 1917.
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!
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.
n. 项目；工程
adj. 每日的；日常的
有道理
pioneer n. 先锋；先驱
n. 网站
它提到……
Role-play the conversation.
很乐意
project在此处作名词，意为“项目；工程”。project作名词还可表示“（学校的）课”。
The total cost of the project would be more than $ 240 million.
In their geography class, the children are doing a special project on the North American Indians.
1. Hey, Roy, the subject for my school project is …（教材P42 2d）
Language points
project/ pr d ekt/ /'prɑ d ekt/ n. 项目；工程
Point
have a point常用于口语中，表示赞同别人的观点或看法。
Perhaps you have a point.
2. Well, you do seem to have a point ...（教材P42 2d）
Language points
have a point 有道理
Point
pioneer在此作可数名词，其后常跟介词of或in，表示“.....的先驱/先锋”。
John Whitney is a pioneer of computer animation.
3. The pioneers of different inventions were listed there.（教材P42 2d）
pioneer / pa n (r)/ ， / pa n r/ n. 先锋；先驱
Point
mention作动词，常见用法有：mention sb. /sth.提到某人/某事物；mention sth. to sb.向某人提起某事/某物；mention +从句 提到.....；Don’t mention it.意为“（别人道谢时回答）不客气”。
The scientist mentioned his first failure in the report.
I mentioned this idea to him, and he seemed to like it.
Did she mention where she was going
4. For example, it mentioned that …（教材P42 2d）
Language points
mention/ men n/ v. 提到；说到
Point
5. They are used for seeing in the dark.
be used for doing sth.表示“被用来 做某事”。与be used to do sth. 同义。 表示用途、目的。
e.g. This computer is used to control all the machines.
Do you know what this tool is used for
6. Think about how often it’s used in our daily lives.think about 表示“考虑，想起”。
e.g. He is thinking about travelling in the summer holidays.
拓展think短语
（1）think of 指“考虑, 记忆, 记起”
e.g. You think of everything!
I can’t think of his name at the moment.
（2） think sth. over指“仔细想, 审慎思考, 作进一步考虑”。
e.g. Please think over what I said.
I want to think it over.
（3）think sth. out 指“想通, 想出, 熟思”。
e.g. He thought out a new idea.
That wants thinking out.
根据汉语意思完成句子
1. 你知道电话是什么时候发明的吗？
Do you know when the telephone ________ ________？
2. 我妹妹不喜欢那条短裤，因为过时了。
My sister doesn't like that pair of shorts, because they are
_____ ______ _______.
3. 他的铅笔是用来绘画的。
His pencil is ________ ________ ________/________ ________ ________.
was invented
out of style
used for drawing used to draw
4. 不要在这里大声说话，他正在思考问题。
Don't talk loudly here. He is ________ ________ problems.
5. 第一辆自行车出现在200多年前。当时人们把它称为“轮子上的马”。
The first bike appeared over 200 years ago. At that time
it ________ ________ “the horse on wheels”
thinking about
was called
— Would you please come to the dancing party with me tonight
— ______. I suppose we shall have a wonderful night!
A. Never mind B. Have a good time
C. Not exactly D. With pleasure
2. — He always appears to _______.
— That’s because he’s really knowledgeable and experienced.
A. make an effort B. have a point
C. pull together D. take place
D
B
二、单选
Exercises
— What did he say about his parents in his letter
—He didn’t ______ his parents in the letter.
A. admire B. notice
C. mention D. miss
Safety glasses are used ______ protecting your eyes.
A. from B. by C. to D. for
C
D
Summary
Homework
1.Recite the conversation in 2d.
2.Prelearn the second period of Section A
谢谢
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