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(共26张PPT)
Section A 1a-2d
Unit 1
When was it invented
Before-listening
情 境 导 入
Which invention do you think is the most helpful in our daily life Why
What do they have in common
They all need electricity [ lek tr s ti].
They are of old style.
They are all for daily use.
Do you know their inventors
Background information
Who invented the computer
John Neumann and his team invented the computer.
The computer was invented by John Neumann and his team.
John von Neumann and his team
/ n m n/
Background information
Who invented the car
Karl Benz invented the car.
Karl Benz
/benz/
The car was invented by Karl Benz.
Background information
Who invented the elephone
The telephone was invented by Bell.
Alexander Bell
Background information
Who invented the TV
The TV was invented by J. L. Baird.
John Logie Baird
/ l ɡi/
Discuss them with your group. Then number them [1–4] (1 = first, 4 = last).
Which one of them was invented first/last Why
Discuss and number
Compare any two of them.
e.g.
I think the computer was invented before/after the ..., because ...
新 课 探 究
While-listening
___ 1876
___ 1885
___ 1927
___ 1971
How do you read them
Years
2. What are they talking about
3. When were they invented
1. What’s the relationship
between two speakers
View, say and predict
Four modern inventions
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新课探究
Listen and match the inventions with the years.
____ 1876
____ 1885
____ 1927
____ 1971
A: When was … invented
B: It was invented in …
1b
d
a
c
b
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新课探究
A: When was the telephone invented
B: I think it was invented in…
A: Who was it invented by
B: It was invented by…
1971 Barry
1885 Karl Benz
1876 Bell
1927 Baird
Make new conversations with your partner using the information in 1b.
1c
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新课探究
2a
Listen and number the inventions [1-3] in the order you hear them.
1
3
2
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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, pay attention to the structure “be used for”.
2b
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。
changing
serving
in the dark
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新课探究
Make conversations using the information in 2b.
A: What are they used for
B: They’re used for …
2c
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新课探究
Read the conversation of 2d on Page 42 and try to answer the questions.
1. Who invented the zipper
2. When was the zipper invented
3. When was it first used widely
Whitcomb Judson invented the zipper.
It was invented in 1893.
It became popular around 1917.
2d
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新课探究
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新课探究
After-listening
paper-making 造纸术
printing [ 'printi ] 印刷术
compass ['k mp s] 指南针
gunpowder ['g npa d (r)]
火 药
What are the Four Great Inventions in ancient China
Thinking
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Discussion
When were they invented
Who were they invented by
paper making \105 B.C.
printing\1041-1045
compass
11th Century
gunpower
9th Century
Han Dynasty
Song Dynasty
When was ... invented
Who was ... invented by
What is ... used for ...
It was invented in ...
It was invented by ...
It is used for ...
新课探究
Language points
1.What is it / are they used for
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。
This computer is used to control all the machines.
This machine can be used for cutting grass.
★ be used as意为“被用作为…… ，被作为……使用”
English is used as a foreign language in China.
★ be used by意为“被……使用”
Rubbers are used by the students to correct mistakes.
拓展
新课探究
eg: It’s my pleasure to talk to you.
My pleasure./It’s a/my pleasure./With pleasure. 不客气。
2.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.
新课探究
daily n. 日报（every day）
China Daily 《中国日报》
3.Think about how often it’s used in our daily lives.
daily adj.“每日的；日常的”（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.
新课探究
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.Well, you do seem to have a point ...
have a point 意为“有道理”
新课探究
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
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）
新课探究
Ⅰ. 单选。
1.English is widely used _______ many people around the
world _______ a second language.
A. by；for B. by; as C. as；for D. for；as
2. —Thank you for taking me around your school, Daming.
—________
A. Don’t mention it. B. Never mind.
C. Of course not. D. No problem.
3. High-speed trains are seen as one of the new Four Great_____of
China.
A. Achievements B. Agreements C. Environments D. Inventions
√
√
√
新课探究
II. 根据语境, 从方框中选择恰当的短语填空, 有的需要变换形式。
think of, have a point, with pleasure, be used for, see a website
1. Pencils _______________ drawing and writing.
2. Who can ______________ a good way to remember the English words
3. I _________________ this morning. I think it can help you with English.
4. —Could you please clean the room I’m going to cook dinner.
—_________________. I’ll do it at once.
5. You puters play an important part in our daily lives.
are used for
think of
saw a website
With pleasure
have a point
课 堂 小 结
Summary
1.Master the new words.
invent, invention, heel, scoop, electricity, style, crispy, salty,
sour.
2.Master the structires.
—When was it invented —It was invented in…
—What is it used for —It is used for doing sth.
—What are they used for —They are used for doing sth.
3.Talk about inventions by using passive voice.
was/were +done
THANK YOU

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