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(共26张PPT)
Unit 6 Earth first
B2 U6
Earth first
Understanding ideas
( P82-85)
Brainstorm:
What will you think of when we talk about sharks
1
P62
dangerous
powerful
scaring/terrifying
man-eating
ocean giant
huge
intelligent
flexible
fierce
sharp teeth
A picture is worth a thousand words.
Different pictures voice different meanings.
Look at the title and picture. What will you think of the sharks now
Will sharks be dangerous or endangered animals
Reading
Let’s find out the answer.
Sharks:
Dangerous or Endangerd
Para _________
____________
Para _________ _____________.
Para ____
More people want to
_________________.
1 and 2
3 and 4
endangerd
protect sharks from extinction
Read and organize the structure of the passage.
5
Question
Analyze
Conclusion
dangerous.
Find out the author's answer/attitude to the question: Will sharks be dangerous or endangered animals
Endangered.
Read para1-2 and find out:
(1) how sharks are described in the film Jaws
(2) What was the bad influence of Jaws on people’s behaviours
(1) Sharks are described in the film as dangerous and bad animals that eat humans.
(2) Some people stopped swimming in the sea and others started fishing for sharks, killing as many as they could.
Read Para3-4 and find out:
(1) What was the situation of the sharks after 1975 & Tell the reasons for the situation.
(2) Having seen sharks being killed, what changes of Peter Benchley were caused by it
(1) The number of large sharks fell quickly around America and soon fell around the world.The situation was due to fear of sharks and finning.
(2) Peter Benchley fought to protect sharks and he admitted that his book was wrong about sharks’ behaviour.
Read Para5 and answer:
What are the changes of people today
Today, as we learn more about sharks, more people than ever want to protect sharks from extinction.
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.
Choose the author's purpose in writing the passage.
( Ex.3 on P84)
was wrong about sharks' behaviour
sharks were bad animals that ate humans
swimming in the sea
fish for sharks
as dangerous animals
to protect
sharks do not see people as food
understanding sharks
protect sharks from extinction
4
P85
fear of sharks and finning
Read for details
We should save sharks!
We should save life on earth!
Think and Share
Step 4 Summary
What can be done to protect sharks
do more research and offer more findings about sharks
set up laws about marine conservation
say no to shark fin soup;
develop an awareness of protecting them
Protecting animals means protecting ourselves.
保护动物就是保护我们自己。
experts governments people
Which of the facts in the video do you find most alarming
What does the video want to tell us
Watch the video and answer the questions
Alarm：What are these numbers related to
130,000
25,000
150~200
1,000,000
1,000,000,000
450
50%
ice caps
clean drinking water
plastic bottle
extinct species
ocean pollution
toilet paper
disappearing forest
What are these numbers related to
130,000
25,000
150~200
1,000,000
1,000,000,000
450
50%
ice caps (thinner)
people (clean drinking water)
plastic bottle
extinct species
animal killed by ocean pollution
trees toilet paper
disappearing forest
Activity 2 Look at the cartoons and answer the questions.
1. What environmental problem
does each cartoon refer to
2. What are the causes of these
problems
3. What do you think is the most
serious environmental problem
we face today What should
be done to help solve it
water pollution
deforestation
滥伐森林
air pollution
global warming
Major envirnmental problems we are facing currently.
1. Pollution:
water pollution, air pollution, soil pollution, etc.
2. Global warming. 3. Climate change.
4. Overpopulation.
5. Waste disposal.（废物处理)
6. Loss of biodiversity.(生物多样性丧失)
7. Deforestation.
These severe environmental problems we are facing nowadays make our future uncertain. It's time for everyone to take action now and make our planet a greener and safer place for our future generations.
What are the causes of these problems
What is your idea about these problems
Possible solutions:
raising people’s awareness of environmental protection
taking public transportation;
understanding the concept of Reduce, Reuse and Recycle;
conserving energy;
emphasis on clean energy resources;
...
Live in harmony with nature
Earth song

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