内容正文:
UNIT 12
INNOVATION
Topic Talk
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discovery
Isaac Newton was looking at the falling apple and an idea came into his mind: the power of gravity.
Look at the pictures below, discuss which pictures show inventions and which show discoveries, then tell us the reason.
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George Stephenson was one of the first men to design engines for the railways which were new at that time.
invention
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Marie Curie and her husband _____________ the new chemistry elements — Polonium (钋) and Radium (镭).
discovered
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This is the first car that can travel safely on water and on land (amphibious car). When moving on water, the wheels of the car turn sideways and move into the body. The underneath of the car is strong enough to sail as a boat.
invention
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Francis Crick and James Watson were the first to show that our genes consist of two spirals of DNA (called the double-helix双螺旋). This work led directly to the human genome project (人类基因工程) in 2003, which ______________ the structure of DNA.
discovered
is recognizing something that already exists for the first time, that nobody has found before
is creating something totally new with one's own ideas and development.
A discovery
An invention
Work out the rules that will help you decide what a discovery is and what an invention is.
What inventions or discoveries are significant in improving the quality of human life? What are the inventions you cannot live without? Why?
Health and Well-being
Penicillin
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Vitamin tablets
Entertainment and Communication
Mobile phone
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The Internet
Travel and Transport
High-speed rail
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Aeroplanes
The Internet is an invention that I cannot live without as I use it every day for study, fun and communication.
1. Read the Text Builder carefully.
2. Listen to the dialogue and complete it by underlining the words or expressions you hear.
You will listen to an inventor talking about her latest invention.
Innovation
Text Builder
Inventors are interested in _________