外研版（2019）必修第二册Unit6 Earth first-Understanding ideas课件（22张PPT）

(共22张PPT)
Unit 6 Earth first
Understanding ideas
目录
contents
Pre-reading
I
Language points
IV
Fast reading
II
Homework
V
Intensive reading
III
VI
Post-reading
Ⅰ
Pre-reading
Pre-reading
Brainstorm: think of words and phrases related to the environmental problems.
Pollution:
water pollution,
air pollution,
soil pollution, etc
Deforestation
Global warming
Overpopulation
Loss of biodiversity
Climate change
Waste disposal
Look at the cartoons in the book and answer the questions.
1. What environmental problem does each cartoon refer to
Water pollution; deforestation; air pollution; global warming.
2. What do you think is the most serious environmental problem we face today What should be done to help solve it
Pre-reading
Tick the words that you would use to describe sharks. Add any more you can think of.
dangerous
powerful
endangered
interesting
man-eating
terrifying
cute
intelligent
huge
flexible, fierce, ocean giant, sharp teeth ...
Pre-reading
Free talk: Have you ever seen the film Jaws
Tell something about it.
Pre-reading
Ⅱ
Fast reading
Fast reading
Read the passage and find out how sharks are described in the film Jaws.
Sharks are described in the film as dangerous and bad animals that eat humans.
Fast reading: The structure of the text
Sharks:
Dangerous or Endangered
Para 1 + Para 2
dangerous
Para 3 + Para 4
endangered
Para 5
More people want to protect
sharks from extinction.
III
Intensive reading
Intensive reading: Find detailed information
Complete the chart showing how attitudes towards sharks have changed with words and expressions from the passage.
People have a normal fear of sharks.
People have always been scared of sharks because they are considered
1. __________________.
as dangerous animals
Intensive reading: Find detailed information
Complete the chart showing how attitudes towards sharks have changed with words and expressions from the passage.
People are more frightened of sharks.
People who saw the film Jaws believed
2. _________________________________.
Some people stopped 3. _________________ while others started to 4. _____________.
The number of large sharks fell quickly due to 5.______________________.
sharks were bad animals that ate humans
swimming in the sea
fish for sharks
fear of sharks and finning
Intensive reading: Find detailed information
Complete the chart showing how attitudes towards sharks have changed with words and expressions from the passage.
More people are against finning and wish to protect sharks.
Peter Benchley admitted that his book 6. ________________
______________ and fought 7. _________ them.
Experts have proved that 8. __________________________, and they attack us by mistake.
Some people became interested in 9. ___________________ and more are willing to 10. _________________________.
was wrong about
sharks’ behaviour
to protect
sharks do not see people as food
understanding sharks
protect sharks from extinction
Intensive reading: Writing purpose
Choose the author’s purpose in writing the passage.
1. To criticise Peter Benchley’s misleading
description of sharks in his book and advocate
the protection of sharks.
2. To explain people’s misunderstanding of sharks
and raise awareness of shark protection.
3. To inform people about sharks and recommend
the film and the book to them.
Ⅳ
Post-reading
1. How do you think Peter Benchley
felt after diving in 1980
Post-reading: Think and Share
Possible answers :
Peter Benchley might feel sad for the sharks being killed; he might feel regretful for depicting the great white shark as a dangerous animal in his book; he might also feel angry about finning.
2. What other films or books
do you know that feature wild
animals Do they “paint” a good
or bad picture of these animals
Say how the animals are described.
Post-reading: Think and Share
VI
Homework
Homework
Write an essay about a particular kind of endangered species and express your opinion on how to protect it.