人教版英语选修八unit3--reading（共24张PPT）

(共24张PPT)
Unit 3 Inventors and inventions
Invention and Discovery
An Invention is something that is created by a human being.
Warming up-III (2m)
A discovery merely makes known something that already existed in nature.
What are the uses of these inventions?
Pre-reading
Discussion:
What do you think is the greatest invention in the world? Why? Your reason?
telephone?
papermaking?
computer?
flush toliet?
vaccination? (接种疫苗）
instant noodle？
Do you know the stages every inventor must go through? Discuss in pairs , and then put
the following stages into a suitable order.
1.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
Pre-reading – II (3m)
The suitable order:
Finding a problem
Doing research
Thinking of a creative solution
Testing the solution
Deciding on the invention
Applying for a patent
Reading
The problem of the snakes
Scanning: Find out which paragraph or paragraphs deal with each inventing process in the passage and find the examples:
caught
harmed
approaches
habits
three
last one
1
2
3
paragraph Stages Examples in this story
Find a problem The snake must be ________but not______
Do research Look for _________ of removal; the ______ of snakes
Think of a creative solution Identify _______ possible approaches: choose__________.
4,5,6
7,8
three
recognized
Test the solution several times Try_____ times to make it work
Apply for a patent This means the solution is ___________
The three creative steps:
1) to put the frozen bowl over the snakes’ habitat in the morning.
2) to put the frozen bowl over the snakes’ habitat in the evening.
3) to put the frozen bowl over the snakes’ habitat in the evening and carry a net to collect the snakes without harming them.
Task 2 Skimming
3. Can you describe the final solution
in your own words?

Firstly,
Secondly,

then,

the next morning,
and
The next day,
freeze the bowl for 24 hours.
place it over the snakes’ habitat with some ice-cubes on its top.
cover the whole thing with a large bucket.
remove the bucket and the bowl;
collect the snakes with a net.
release them into the wild.
Task 4 Make a summary within 30 words
The passage talks about that the writer _______ a harmless way to _________ the snakes . She trapped the snakes by making them _____ and ______. Finally, she decided to apply for ________ for her approach.
invented
catch
cool
sleepy
patent
1. According to the text, which of the following inventions may get a patent?
A. A truly novel idea. B. A new plant variety.
C. A computer program. D. A scientific theory.
II. Read the text carefully and choose the best answer.
A
2. Which of the following is TRUE according to the text?
A. In my first attempt, the snakes were as active as before.
B. The snakes were not sleepy at all in my second attempt.
C. I killed all the snakes after I collected them.
D. Ice-cubes were used in the three attempts.
D
3. 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
4. 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
5. 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
6. 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.