(共25张PPT)
When was it invented
Unit 6
Section A
1a-2d
九年级（全册）
Objectives
To learn to understand and use the passive voice.
To listen and talk about the history of inventions.
What are the Four Great Inventions in ancient China
Question:
Chinese inventions
compass
gun powder
printing
paper-making
Chinese people invented the four great inventions.
The four great inventions were invented by Chinese people.
printing
Bi Sheng invented the printing.
The printing Bi Sheng.
was invented by
Who was the printing invented by
When was it invented
It was invented in Song Dynasty.
1300 years ago
/ Song Dynasty
(print)
paper making
In Han Dynasty
(make paper)
Who was the paper making invented by
Cai Lun invented the paper making.
The paper making Cai Lun.
was invented by
When was it invented
It was invented in Han Dynasty.
gun powder
Who was the gun powder invented by
Tang Dynasty
(fight in the war)
Chinese people invented the gun power.
The gun powder Chinese people.
was invented by
When was it invented
It was invented in Tang Dynasty.
compass
Warring States Period
(find the right directions)
Who was the compass invented by
Chinese people invented the compass.
The compass Chinese people.
was invented by
When was it invented
It was invented during the Warring States Period.
ancient inventions
modern inventions
Do you know any modern inventions What are they
Brainstrom: Do you know any modern inventions
car
television
telephone
computer
subway
light bulb
plane
A: I think ______ was invented before ______.
B: Well, I think ______ was invented after ______.
1a. Can you guess which one of them was invented earlier
1b. Listen and match the inventions with the years.
____ 1876
____ 1885
____ 1927
____ 1971
d
a
c
b
A: When was … invented
B: It was invented in …
2a. Listen and number the inventions [1–3] in the order you hear them.
2
1
3
2b. Listen again and match the items with their inventors and uses.
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
changing
in the dark
serving
Tapescripts
Hello, Alex. There are some of the interesting inventions that I’m writing about for my English homework. Let me tell you about them.
The first invention is shoes with lights. You can use them for _________________ when you get up at night. Next is ________________________. It runs on ________ and becomes hot. It’s used for _________________________. The last invention is shoes with heels. You can change ___________________. You can move the heels ____________. You can ____________ if you are going to a party or _______ them if you are just going out for shopping. Do you want to know more about them
seeing in the dark
a special ice-cream scoop
electricity
serving really cold ice-cream
the style of your shoes
up and down
raise the heels
lower
A: When was … invented
B: It was invented in …
A: Who was it invented by
B: It was invented by …
A: What is the … used for
B: The … is used for doing …
Pair work
1879
Edison
1827
Joseph
take pictures
1903
Wright Brothers
Steve Jobs
2010
1. What does Roy think is a great invention
2. Where is the zipper used
3. When was it invented
4. Who was it invented by
He thinks zipper is a great invention.
It is used in our daily lives.
It was invented in 1893.
It was invented by Whitcomb Judson.
2d. Ask and answer
1. pleasure n. “高兴;愉快”
please v. 使满意
pleasant adj. 令人愉快的
pleased adj. 高兴的，满意的
pleasing adj. 令人满意的，令人高兴的
常用短语:
be pleased to do sth. /be pleased with sb.
eg: It’s my pleasure to talk to you.
Language points
1. —Can you help me with this physics problem
—With pleasure.
2. —Thank you for helping find a hotel.
—My pleasure./It’s my pleasure.
My pleasure / It’s a/my pleasure/With pleasure. 不客气。
2. Think about how often it’s used in our daily lives.
daily adj.“每日的；曰常的”（weekly, monthly, yearly）
in our daily lives /life 在日常生活中
eg: It’s not easy for us to make a true friend in our daily life.
daily adv. 每天；每日（every day）
eg: The machine was inspected twice daily.
daily n. 日报（every day）
China Daily 《中国日报》
3. Well, you do seem to have a point ...
have a point 意为“有道理”
You have a point — It would be better to wait till tomorrow.
你说的有道理，还是等到明天比较好。
—He always appears to have a point.
—That’s because he’s really knowledgeable and experienced.
4. The pioneers of different inventions were listed there.
(1) pioneer n.“先锋；先驱”。(常跟介词of/in)
eg: He is a poineer of computer animation(电脑动画).
(2) list vt.“列表;列清单”
eg: Please list the things that you need to buy.
n.“名单；清单”
make a list of 列……清单
on the list 在名单/清单上
eg: Please list the things on the shopping list.
5. For example, it mentioned that the zipper was invented by Whitcomb Judson in 1893.
mention v.“提到，说到”
mention sb./sth. 提到某人/某物
mention sth. to sb. 向某人提起某事/某物
mention +从句 提到……
Don’t mention it. 不客气（道谢时）。
He didn’t mention his parents in the letter.
Could I ask if you have mentioned this to her till now
Did he mention where he was going
Summary:
1.一般过去时的被动语态: was/were +done
2.Sentence patterns
A: When was … invented
B: It was invented in …
A: Who was it invented by
B: It was invented by …
A: What is the … used for
B: The … is used for doing …
Homework
1. Understand the usage of the passive voice.
2. Master the words and the new sentences in this unit and preview next part.
