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(共19张PPT)
课时2(3a-3d)
Unit 5 Power of Ideas
Section A What changes can inventions bring to our lives
1. 掌握并正确运用词汇：invent
2. 能描述一项重要的发明：① What do you think is the most useful invention of all time ② Who was the inventor ③ ... made it much easier for sb. to do sth.
Here are the lyrics of Radio Ga Ga by the British rock band Queen.
I’d sit alone and watch your light
My only friend through teenage nights
And everything I had to know
I heard it on my radio
You gave them all those old time stars
Through wars of worlds invaded by mars
You made them laugh you made them cry
You made us feel like we could fly
What does the underlined word “You” refer to in the lyrics
It refers to the radio.
Here are the lyrics of Radio Ga Ga by the British rock band Queen.
I’d sit alone and watch your light
My only friend through teenage nights
And everything I had to know
I heard it on my radio
You gave them all those old time stars
Through wars of worlds invaded by mars
You made them laugh you made them cry
You made us feel like we could fly
What does the narrator think of the radio
The narrator likes the radio because by listening to the radio, he has learned a lot of things. The radio made him happy when he was a teenager.
Read the conversation. What does Peter think is the most useful invention of all time
3a
What do you think is the most useful invention of all time, Peter
It has to be the radio.
The radio Why
Before the radio was invented, information travelled very slowly. The world was made much smaller by the radio. Suddenly, news could be spread around the world in seconds.
Right. Who was the inventor
Fu Xing:
Peter:
Fu Xing:
Peter:
Fu Xing:
有史以来
此处much修饰比较级
片刻；瞬间
Read the conversation. What does Peter think is the most useful invention of all time
3a
An Italian inventor called Guglielmo Marconi. He developed the idea in the 1890s. In 1901, a radio message was sent across the Atlantic Ocean for the first time.
Wow! That was quite a distance at that time.
Yeah. And because of the radio, some other important inventions were developed as well.
Like the television
Peter:
Fu Xing:
Peter:
Fu Xing:
第一次
Read the conversation. What does Peter think is the most useful invention of all time
3a
That’s right. It also had a big effect on music. The radio made it much easier for people to enjoy music from artists around the world.
Peter:
have a big effect on sth. 对某事/某物有很大影响
Peter thinks the radio is the most useful invention of all time.
Before the radio was invented, information travelled very slowly. (教材P44 3a)
create 创造；创建 指通过想象力等创造出新事物，通常是抽象事物，如艺术、文学作品等，也可指具体的产品
discover 发现 指找到已经存在但以前不为人知的事物，如科学规律、 资源、星系等
invent 发明；编造 指通过研究和设计，制造出以前不存在的新物品或新方法，如工具、方法、材料等
invent / n vent/ v. 发明；编造
【辨】create, discover与invent
Before the radio was invented, information travelled very slowly. (教材P44 3a)
invent / n vent/ v. 发明；编造
【辨】create, discover与invent
The man created a new kind of music.
那个人创造了一种新的音乐形式。
The man discovered some jewellery in the box.
那个人在箱子里发现了一些珠宝。
Edison invented the light bulb.
爱迪生发明了灯泡。
Read again and complete the chart.
3b
Invention:
_____________
Who was the inventor
_______________________________________________
When was it invented
_______________________________________________
_______________________________________________
How did it change the world
_______________________________________________
_______________________________________________
_______________________________________________
_______________________________________________
The radio
Guglielmo Marconi
The idea was developed in 1890s. In 1901, a radio message was sent across the Atlantic Ocean for the first time.
① It made the world much smaller.
② It led to other important inventions like the television.
③ It made it much easier for people to enjoy music from artists around the world.
Listen to the conversation and pay attention to how the key information is stressed. Then role-play the conversation.
3c
What do you think is the most useful invention of all time, Peter
It has to be the radio.
The radio Why
Before the radio was invented, information travelled very slowly. The world was made much smaller by the radio. Suddenly, news could be spread around the world in seconds.
Right. Who was the inventor
Fu Xing:
Peter:
Fu Xing:
Peter:
Fu Xing:
Listen to the conversation and pay attention to how the key information is stressed. Then role-play the conversation.
3c
An Italian inventor called Guglielmo Marconi. He developed the idea in the 1890s. In 1901, a radio message was sent across the Atlantic Ocean for the first time.
Wow! That was quite a distance at that time.
Yeah. And because of the radio, some other important inventions were developed as well.
Like the television
Peter:
Fu Xing:
Peter:
Fu Xing:
Listen to the conversation and pay attention to how the key information is stressed. Then role-play the conversation.
3c
That’s right. It also had a big effect on music. The radio made it much easier for people to enjoy music from artists around the world.
Peter:
Choose another invention that you think is the most important and make a mind map about it. Then describe it to a partner.
3d
The mobile phone
Inventor
When
What it is used for
How it changed the world
Martin Cooper
in 1973
call people, send messages, take photos, surf the internet, ...
made communication easier, made our lives more convenient, ...
Choose another invention that you think is the most important and make a mind map about it. Then describe it to a partner.
3d
I think the mobile phone is one of the most important inventions. Invented by Martin Cooper in 1973, it has greatly changed our daily lives. It is convenient to carry because it is small and thin. We can not only keep in touch with others anytime and anywhere by making calls and sending messages, but also take photos, surf the internet, study and work easily. It made communication much faster and brought people closer. Undoubtedly, the mobile phone made our lives more convenient and colourful.
The software enables you to access the internet in _______ (second).
The camera __________ (invent) by the French _______ (invent) Joseph Niépce in 1816.
An error was reported when he tried to write data to the file for the _____ (one) time.
一、用所给词的适当形式填空。
seconds
was invented
first
inventor
二、 完成句子，每空一词。
1. 伏明霞是历史上最年轻的跳水世界冠军。
Fu Mingxia is the youngest diving world champion _____ ____ _____.
2. 这项公告对房屋价格产生了巨大的影响。
The announcement ____ ____ _____ ______ on house prices.
of
had a big effect
all time
Key word
Expressions
invent
of all time, in seconds, for the first time
① What do you think is the most useful invention of all time
② Who was the inventor
③ ... made it much easier for sb. to do sth.
Sentences
1. 用下列句型和同伴讨论一项重要的发明。
—What do you think is the most useful invention of all time
—...
—Why
—Because ... made it much easier for sb. to do sth.
—Who was the inventor
—...
2. 将本课所学内容形成重点笔记。

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