Unit 6 When was it invented Section A（1a~2d）课件(共22张PPT)+内嵌音频

(共22张PPT)
Unit 6
When was it invented
第一课时 Section A（1a~2d）
Four Great Inventions of Ancient China
Who was the papermaking skill invented by
When was it invented
compass
typography
gunpowder
papermaking skill
Cai Lun.
In the Easten Han Dynasty.
Leading in
Do you know when they were invented
I think ...was invented before /after ...
Pre-listening
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).
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
Listen and match the inventions with the years.
While-listening
_________ 1876
_________ 1885
_________ 1927
_________ 1971
a
b
c
d
d
a
c
b
Post-listening
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
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.
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
Pre-listening
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
While-listening
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
Post-listening
Make conversations using the information in 2b.
What are they used for
They're used for…
2c
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
Language points
project n. 意为“项目；工程”, “（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 .
1. Hey, Roy, the subject for my school project is …
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 ...
have a point 有道理
Point
pioneer n. 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.
pioneer / pa n (r)/ ， / pa n r/ n. 先锋；先驱
Point
mention v.
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”。
4. For example, it mentioned that …
mention/ men n/ v. 提到；说到
Point
Exercises
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
I. 用括号内所给词的适当形式填空
— 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
II. 单项选择
— 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. Read and recite the new words and the conversation in 2d.
2. Write something about the invention that you interest most (at least 5 sentenses).