Unit 5 Developing ideas Macquarie Island （ppt课件）-2022新外研版（2019）《高中英语》选择性必修第二册.pptx

1、A delicate worldA delicate worldeasily broken or damaged易碎的，脆弱的易碎的，脆弱的Take care!Dont break my precious and delicate china.from chaos to conservation1.What animals can you see in the picture?2.What kind of changes would take place if cats,rats and rabbits were introduced to an environment like this?R

2、ead for structureRead for structurePart 1 Para_ Part 2 Paras Part 3 Paras the _ of the islandthe_ of the islandthe _ of the island 1 1beauty2-32-3chaos4-64-6conservationLook through the passage,divide it into three parts,and get the main idea of each part.ADD YOUR TITLE HEREMacquarie Island(麦夸里岛麦夸里岛

3、)LocationShapeLandscapeTitleInhabitantsin the _Pacific Ocean between _ and _ shape caused by _ wind and _ _ and _ contrast _a _ and _ beauty_ and _ penguins,_and _AustraliaAntarcticaPacific OceanSouth-westAustraliaAntarcticaADD YOUR TITLE HEREMacquarie Island(麦夸里岛麦夸里岛)LocationShapeLandscapeTitleInha

4、bitantsin the _Pacific Ocean between _ and _ shape caused by _ wind and _ _ and _ contrast _a _ and _ beauty_ and _ penguins,_and _South-westAustraliaAntarcticalongthinstrongstormy seasADD YOUR TITLE HEREMacquarie Island(麦夸里岛麦夸里岛)LocationShapeLandscapeTitleInhabitantsin the _Pacific Ocean between _

5、and _ shape caused by _ wind and _ _ and _ contrast _a _ and _ beauty_ and _ penguins,_and _South-westAustraliaAntarcticalongthinstrongstormy seasgreen grassbare rockdramaticallyUNESCO World Heritage Siteroyalkingelephant sealsADD YOUR TITLE HERE9_ on the island and _ brought_develop an _unknowingly

6、eatattackbroughtcontrolappetite What were introduced then?Read para 2 and completethe mindmap.A tragic storyarrived Loose 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 HERE10ADD YO

7、UR TITLE HERE11Cats were brought to the island.they took over the island,eating the birds eggs and attacking baby birdsThe 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.Th

8、is 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 connectionsvirusless foodkillcatchWhile the cats away,the mice will playimmunitykill What conclusion did humans draw from the incident?This incident made it clear that the

9、 rat,mouse and rabbit problem needed solving once and for allA 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

10、 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.ADD YOUR TITLE HERE单击编辑标题单击此处可编辑内容，根据您的需要自由拉伸文本框大小单击编辑标题单击此处可编辑内容，根据您的需要

11、自由拉伸文本框大小单击编辑标题单击此处可编辑内容，根据您的需要自由拉伸文本框大小Read paragraph 6 and answer these questions1.Whats the writers mission on the island?2.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 fr

12、om helicopters.The next step is to remove the last remaining invading species,and thats where I come inwith my dogs.They have been trained to find every last one,without harming the native animalsADD YOUR TITLE HERE单击编辑标题单击此处可编辑内容，根据您的需要自由拉伸文本框大小单击编辑标题单击此处可编辑内容，根据您的需要自由拉伸文本框大小单击编辑标题单击此处可编辑内容，根据您的需要自

13、由拉伸文本框大小 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.humansecosystemdutynormalPostscript:In 2014,Macquarie Island was decl

14、ared pest-free and the islands ecology is finally on the road to recovery.HumanbeautybeautySummarySummarychaoschaosconservationconservationharmonyharmonyHumans broke the _ of the _balanceecosystemHumans tried to _ the _conserveecosystemADD YOUR TITLE HERE1.To analyse how Macquarie Island was saved f

15、rom destruction.2.To inform readers of the chaos caused on Macquarie Island by humans.3.To entertain readers with a funny story about what happened on Macquarie Island.4.To suggest ways in which an ecosystem can be protected.Choose the authors purpose in writing the passage and give your reasons.ADD

16、 YOUR TITLE HERE单击编辑标题单击此处可编辑内容，根据您的需要自由拉伸文本框大小单击编辑标题单击此处可编辑内容，根据您的需要自由拉伸文本框大小单击编辑标题单击此处可编辑内容，根据您的需要自由拉伸文本框大小Think and share 1.Do you think it was right to eradicate(消灭消灭)the“pests”from the Macquarie Island?Give your reasons.2.How could similar situations be avoided in the future?raise awareness of environmental protectionprevent species invasion caused by humans