外研版高中英语必修二《Earth first》PPT下载，共12页。
Activity
Tick the words that you would use to describe sharks.
dangerous terrifying
powerful cute
endangered intelligent
interesting huge
man-eating
Choose the author’s purpose in writing the passage.
To describe Peter Benchley’s misleading description of sharks in his book and advocate the protection of sharks.
To explain people’s misunderstanding of sharks and raise awareness of shark protection.
To inform people about sharks and recommend the film and the book to them.
Find out the topic sentence in each paragraph.
It strengthened people’s long-held idea of the great white shark as a dangerous animal.
People have always been scared of sharks, but Jaws made things worse.
After 1975, the number of large sharks around America fell quickly, and soon fell around the world.
Finning would have an unexpected effect upon Peter Benchley, the man who wrote the book the film Jaws was based on.
Not everyone who watched the film Jaws became afraid of sharks.
What influences did the film Jaws make on people?
It made people frightened of sharks.
Many people started to believe that sharks were bad animals that ate humans.
Some people stopped swimming in the sea.
Other people started fishing for sharks, killing as many as they could.
Summary
Life is precious, both for humans and animals.
We all have rights to live on the earth.
It’s our principle to respect life and regard animals as friends.
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