(共45张PPT)
英语（人教版）
九年级全册
English
Unit 6
When was it invented
Section A 1a-2d
What are the four great inventions in ancient China
papermaking
compass
gunpowder
movable type printing
1
课堂导入
Chinese ancient inventions.
Invention Papermaking.
made by Cai Lun
Chinese ancient inventions.
Invention Movable-type Printing
made by Bi Sheng
Chinese ancient inventions.
Invention Compass
made by
Chinese ancient inventions.
Invention Gunpower
made by alchemists
(accidental意外的)
In what order do you think they were invented
calculator
juicer
Modern inventions
Wright Brothers
1903
A. Wright Brothers
Sentences:
invented the plane in 1903.
B. The plane
was invented by Wright Brothers in 1903.
Make sentences!
Steve Jobs
2010
A. Steve Jobs
Sentences:
invented the iPad in 2010.
B . The iPad
was invented by Steve Jobs in 2010.
Make sentences!
Edison
1879
A. Edison
Sentences:
invented the light bulb in 1879.
B. The light bulb
was invented by Edison in 1879.
Make sentences!
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).
2
课堂活动
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).
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.
Listen again and answer the questions.
题目源于《教材帮》
Alice: Was your life very _______ when you were
a kid
Grandma: Oh, _________. Why
Alice: Well, you didn’t have modern inventions
like a telephone, right
Grandma: Of course we did! How old do you think I
am The telephone ___________ in_____.
You need to take a _______ class, Alice!
difficult
not really
was invented
1876
history
Tapescripts
Alice: Haha! How about ____ They weren’t
invented yet, were they
Grandma: Yes, they were. Cars were invented in
_____. My family had a car.
cars
1885
Alice: Well, did you have a ____
Grandma: No, we couldn’t ______ one. They were
_________ in those days. The TV was
invented around ______, I think.
Alice: Well, I know that you didn’t have a
________ because we learned in school
that personal computers were invented
in ______.
Grandma: You’re right. But I have one now!
TV
afford
expensive
1927
computer
1971
When was the telephone invented
I think it was invented in 1876.
1c
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.
点击，播放视频
Watch and answer, then role-play.
What are they talking about
Did the older lady have a phone
Was the car invented before the television
Why didn’t the older lady have a TV
Can you guess when the older lady was born
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
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 ______.
Listen again and fill in the blanks.
something
seeing
dark
lights
The second invention is a hot 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
Alex: Hi, Carol. Wow, what are those
Carol: Hello, Alex. Oh, these are some of the
interesting inventions that I’m writing
about for my English homework.
Alex: I see…What’s that, then
Carol: They’re shoes with lights. You use them for
seeing in the dark when you get up at night.
Tapescripts
Alex: Oh, that’s a cool idea! I always hit my toe
against something on the way to the bathroom
at night.
Carol: Next is a special ice-cream scoop. This is
my favorite invention. It runs on
electricity and becomes hot.
Alex: I know what it’s for! It’s used for serving
really cold ice-cream.
Carol: Yes, that’s right! The last invention I’m going to write
about is shoes with special heels. You can move the heels
up and down.
Alex: What are they used for
Carol: Well, you can change the style of your shoes.
You can raise the heels if you are going to a
party or lower them if you are just going out
for shopping.
Make conversations using the information in 2b.
What are the shoes with lights used for
They’re used for seeing in the dark.
2c
What are hot ice-cream scoops used for
They’re used for serving really cold ice-cream.
What are shoes with special heels used for
They’re used for changing the style of the shoes.
What’s this
zipper n. 拉链；拉锁
Where can you see it
pants
trousers
bags
backpack
dressers
shoes
suitcase
pencil case
Watch the video
点击，播放视频
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
1. invent v. 发明
指经过认识和实践创造出前所未有的事物。
翻译：爱迪生发明了电灯泡。
Edison invented the light bulb.
invention 名词，发明
inventor 名词，发明家
Language points
★discover 发现
指发现某种本来存在，但以前未被发现或未为人
所知的事物或现象。
翻译：后来我发现他如此善良。
Later I discovered that he was so kind.
辨析：discover, invent与 find
★ invent 发明
指发明以前不存在的东西。
翻译：你知道谁发明的电脑吗？
Do you know who invented the computer
★find 找到；发现
指偶然发现或几乎没有困难地发现
翻译：我在那个抽屉里发现了一些旧照片。
I found some old photos in that drawer.
1. Edison _________ the electric lamp.
2. I lost my necklace last night. I haven’t ______ it.
3. Who ___________ America first
invented
found
discovered
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.
2. Hey, Roy, the subject for my school project is …（教材P42 2d）
project n. 项目；工程
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.
3. Well, you do seem to have a point ...（教材P42 2d）
have a point 有道理
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.
4. The pioneers of different inventions were listed there.（教材P42 2d）
pioneer n. 先锋；先驱
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）
mention v. 提到；说到
3
课堂小结
1.We have learnt to use the Passive Voice to talk about the history（when，when，usage） of some inventions.
2. We have listened some listening materials.
3. We have learnt some key words and useful expressions
E-payment service is now widely used in our __________ (day) life.
His name was __________ （提到）several times at the meeting.
— Thank you for doing that.
— It’s a __________. (please)
4. What do you think is the most useful _________ (invent) of all
mentioned
daily
invention
pleasure
一、用词的适当形式填空
4
课堂训练
一、根据句意和汉语提示写出所缺的单词
1. I like the ________（ 款式） and the color of the shoes. But they are too expensive for me.
2. All the clerks are busy with the same ________（ 项目） .
3. I wrote him a letter and ________（ 提到） your name to him in my letter.
4. I think my ________（ 每日的） life is too boring. I really expect something exciting.
5. There is a ________（ 网站） and we can post free messages on it.
6. We should remember these ________（ 先驱） who devoted their life to our country.
7. She showed me her shopping ________（ 清单） .
style
project
mentioned
daily/everyday
website
pioneers
list
— 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
— 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
三、根据汉语提示完成句子
1. 我姐姐喜欢穿有特殊后跟的鞋。
My sister likes to wear __________ __________ __________ __________.
2. 手机和电视在我们的日常生活中起着重要的作用。
Mobile phones and TVs play important roles in our __________ __________.
3. 他的话好像有道理。
What he says seems to __________ __________ __________.
4. 这个壶在中国古代是用来泡茶的。
The pot __________ __________ __________ making tea in ancient China.
5. 你在去购物之前最好列一个清单。
You’d better __________ __________ __________ before going shopping.
shoes with special heels
daily life
have a point
was used for
make a list
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