人教课标版高中英语选修8 Unit3 Inventors and inventions reading 课件（共18张PPT）

(共18张PPT)
Unit 3
Learning aims:
To talk about inventions and discoveries.
To discuss the stages used in research.
To describe the problem of the snakes and what has been done by the writer to solve the problem.
What is discovery and what is an invention?
(1) A discovery is
(2) An invention is
something that created by human being, such as the lighting rod.
Checking
A discovery merely makes known something
that already exist in nature, such as the
discovery on the New Continent by Columbia.
Stephenson’s “Rocket”
An amphibious(两栖的） car
DNA
伽利略的望远镜
X射线广泛用于医学领域
Do you know the stages every inventor must go through before they can have their invention approved? Here give you some similar stages used in research, please out them in the suitable order.
Task 1 Pre-reading
Applying for a patent
2. Finding a problem
3. Doing research
4. Testing the solution
5. Thinking of a creative solution
6. Deciding on the invention
Part 2
the research on the approaches to solve the problem
Part 3
the attempts to catch the snakes
Part 4
the requirements of getting a patent
Part 1
the discovery of the problem of the snakes
Task 2 :Match the main idea
(para.1)
(para.2-3)
(para.4-6)
(para.7-8)
Find a problem
The snakes must be removed but not harmed
Do research
Look for methods of removal; the habits of snakes
Task 3 The stages in making an invention.
Para
Stages in the inventing process Example in this story
1
2
Test the solution several times
Try three times to make it work efficiently
Apply for a patent
A ________will be made.
A large number of patent examiners will examine whether your claim is __________ or not. This means the solution is recognized
Think of a creative solution
Identify three possible approaches: choose one
search
valid
3
4,
5,
6
7,
8
1. The purpose in writing this text is
A. to show us how to trap the snakes but not to kill them
B. to tell people how to apply for a patent of the writer's new idea
C. to introduce the writer's new idea of trapping the snakes and her application for a patent
D. to tell the readers how to get a new idea and make it a patent
Task 4 Comprehending
2. The biggest advantage of the writer's new idea is that:
A. it makes the snakes move slowly
B. it makes the snakes hardly bite us
C. it is easier for us to kill the snakes without hurting ourselves
D. it is easier for us to catch the snakes without killing them
3. What instruments were used for catching the snakes?
A. a bowl, ice-cubes, male perfume
B. a bowl, a bucket, female perfume
C. a small net, ice-cubes, a bucket
D. a small net, a bucket, powders
4. Which statement is true according to the text?
A. The snakes were so sleepy in the second attempt that they couldn't bite the writer at all.
B. Your product must be different from everybody else's if you want to receive a patent.
C. The writer decided to send her invention to the patent office the moment she succeeded in catching the snakes.
D. If an application for your product proves to be valid, you can get a patent immediately.
5. According to the text, which subject do you think can be given a patent?
A. A new star discovered by a scientist.
B. A new novel written by a famous writer.
C. A new way to make dirty water clean.
D. A new kind of grass found in a mountain which can be used as a medicine.
How many times did the writer try?
By working hard and never giving up,
you are bound to be successful sooner or later.
What can you learn from it?
Thinking and discussing
Write a passage about how to apply for a patent.
Read the passage again and again, then underline some difficulties.
Homework