(共20张PPT)
Unit 3
Unit 3
The world of science
To know something about Alzheimer’s disease
To learn some listening skills to get useful information
To tell a story about an invention
View a video to find out what is Alzheimer’s disease (AD) (阿尔茨海默病，老年痴呆症).
Invention stories
Alzheimer’s disease is a brain disorder that causes problems with memory, thinking and behaviour.
The majority of people with Alzheimer’s are 65 and above. It is recognised as the most common mental disease among older people, and the number of sufferers is growing. Currently, there's no cure for Alzheimer's, but scientists are researching ways to improve the quality of
life for people living with the disease.
If one of your close relative has the Alzheimer’s disease, what can you do to help him or her
Listen to the conversation and number the pictures in the correct order.
c b d a e
Listen again and complete the notes.
What is it
Who was it invented by
It’s_______________________________________
____________________.
It was invented by_________________________
called Kenneth.
a pair of socks designed for people with Alzheimer’s disease
a student form New York
Who inspired the invention
__________________, who has Alzheimer's.
How does it work
__________________ is sent to a mobile phone like an alarm when the person with it ____________________.
His grandfather
A warning
gets out of bed
听力文本
Now talk about how the speakers describe the story behind an invention. Listen again if necessary.
Learning to learn
Exclamatory sentences express strong emotions, such as surprise, shock, joy, emphasis and excitement. These are usually formed with what or how, and in written form usually end with an exclamation mark.
Act out the conversation about the invention of the telephone.
You are going to give a presentation about the invention of the telephone. As part of your research, you speak to Student B who has just read a book about it. Ask him/her questions to find out more information.
Student A
Information you’d like to know:
the inventor
year of invention
the inventing process
the first phone call
other interesting things about the invention
Who invented..
When was… invented
How was … invented
What was the first phone call about
What other interesting things…
Useful expressions
You've just read a book about the invention of the telephone.
Student A, who is going to give a presentation on the same topic, asks
you for information.
Inventor: Alexander Graham Bell
Invention created in: 1876
Student B
Background: Bell was a teacher at a school for the deaf. He tried to invent a machine to send messages over an electronic wire. This eventually led to the idea of a telephone. Later, with his assistant,
he created a device to produce and receive
sound waves using electrical signals.
First phone call: On 10 March 1876, Bell made the first clear and complete phone call to his assistant, saying, “Mr Watson- come here-I want to see you.”
Other information: Bell never had a telephone in his study, where he wanted to be alone with his thoughts and work.
The telephone was invented by… in…
When…he…
He later… and finally…
The first phone call was about…
It is interesting that…
Useful expressions
Choose another story of an invention you know and have a similar conversation.
Do you know how were the smart phones first invented Who invented them Write a short passage about it. You can surf the Internet for necessary information.
