资源简介

(共21张PPT)
A delicate world
A delicate world
easily broken or damaged
易碎的，脆弱的
Take care! Don’t break my precious and delicate china.
from chaos to conservation
Macquarie Island
What animals can you see in the picture
What kind of changes would take place if cats, rats and rabbits were introduced to an environment like this
Read for structure
Part 1 Para_____　　
Part 2 Paras　 　
Part 3 Paras　　
the _________ of the island
the_______________ of the island
the ________________ of the island
1
beauty
2-3
chaos
4-6
conservation
Look through the passage, divide it into three parts, and get the main idea of each part.
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Macquarie Island(麦夸里岛) Location
Shape
Landscape
Title
Inhabitants
in the ____________Pacific Ocean between ________
_______ and _______ shape caused by _______ wind and ___________
___________ and ________ contrast ___________
a _________ and ________ beauty
________ and _______ penguins, _________
and _________
Australia
Antarctica
Pacific Ocean
South-west
Australia
Antarctica
ADD YOUR TITLE HERE
Macquarie Island(麦夸里岛) Location
Shape
Landscape
Title
Inhabitants
in the ____________Pacific Ocean between ________
_______ and _______ shape caused by _______ wind and ___________
___________ and ________ contrast ___________
a _________ and ________ beauty
________ and _______ penguins, _________
and _________
South-west
Australia
Antarctica
long
thin
strong
stormy seas
ADD YOUR TITLE HERE
Macquarie Island(麦夸里岛) Location
Shape
Landscape
Title
Inhabitants
in the ____________Pacific Ocean between ________
_______ and _______ shape caused by _______ wind and ___________
___________ and ________ contrast ___________
a _________ and ________ beauty
________ and _______ penguins, _________
and _________
South-west
Australia
Antarctica
long
thin
strong
stormy seas
green grass
bare rock
dramatically
UNESCO World Heritage Site
royal
king
elephant seals
ADD YOUR TITLE HERE______ on the island and __________ brought______________________develop an _______unknowinglyeatattackbroughtcontrolappetiteWhat were introduced then Read para 2 and completethe mindmap.A tragic storyarrivedLoose on the island, they did what rabbits do best-they multiplied rapidly and began eating the native vegetation and digging holes, which caused soil erosion.ADD YOUR TITLE HEREADD YOUR TITLE HERECats were brought to the island.
they took over the island, eating the birds’ eggs and attacking baby birds
The cats developed an appetite for the birds.
Rabbits were introduced to the island.
To provide food for humans.
the exploding rabbit population provided plentiful food for the cats. This led to more cats hunting the birds. As a result, parakeets died out in 1891.
Read paragraph 4~ 5 and draw a mindmap to show their connections
virus
less food
kill
catch
While the cat’s away, the mice will play
immunity
kill
What conclusion did humans draw from the incident
This incident made it clear that the rat, mouse and rabbit problem needed solving once and for all
A virus was released onto the island.
Traps and dogs were used.
Poison and dogs were used.
To remove all the rabbits from the island.
To catch the cats.
To remove all the remaining invading species.
Substantial reduction of rabbit population led to cats killing more native birds.
The departure of the cats resulted in an increasing population of rats and mice. And the rabbit population exploded once again.
The island is pest-free and its ecology is on the road to recovery.
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Read paragraph 6 and answer these questions
What’s the writer’s mission on the island
What did humans do on the island
So I am here on Macquarie Island to participate in the programme to tackle this very problem. The first step involved poison being dropped from helicopters. The next step is to remove the last remaining invading species, and that’s where I come in—with my dogs. They have been trained to find every last one, without harming the native animals
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It is _________ that have damaged the __________ of the Macquarie island and it is humans’ _________ to help it return to ________.
This intervention is a long, much-delayed ending to a sad story, but we humans owe it to the island to give it a happy ending.
humans
ecosystem
duty
normal
Postscript: In 2014, Macquarie Island was declared pest-free and the island’s ecology is finally on the road to recovery.
Human
beauty
Summary
chaos
conservation
harmony
Humans broke the _______ of the ________
balance
ecosystem
Humans tried to _________ the _______
conserve
ecosystem
ADD YOUR TITLE HERE
To analyse how Macquarie Island was saved from destruction.
To inform readers of the chaos caused on Macquarie Island by humans.
To entertain readers with a funny story about what happened on Macquarie Island.
To suggest ways in which an ecosystem can be protected.
Choose the author’s purpose in writing the passage and give your reasons.
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Think and share
1. Do you think it was right to eradicate(消灭) the “pests” from the Macquarie Island Give your reasons.
2. How could similar situations be avoided in the future
raise awareness of environmental protection
prevent species invasion caused by humans

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