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选择性必修二Unit5MACQUARIE ISLAND:from Chaosto ConservationACTIVITY1Match theinforination withthe yearwhen theevent happened.l.In1810A.Parakeets diedout becauseof catsattack.
2.In1891B.Humans arrivedon Macquarie Island withrats and mice.
3.In the1970s C.The lastMacquarie Islandcat wascaught.
4.In the1980s D.Traps and dogs were used tocatch the cats.
5.In2000E.Macquarie Islandbecame anofficial naturereserve.F.Macquarie Islandwas pest-free andits ecologyis on the roadto
6.In2006recovery.G.Due tothe rabbitsbehaviour,some landcollapsed anda largenumber of
7.In2014penguins werekilled.1-5ACTIVITY2Choose thebest answerto eachof the following questionsaccording tothe text.
1.What dowe knowabout Macquarie IslandA.It hasa longand wideshape.B.It isin theNorth-west PacificOcean.C.Its ecosystemexperienced a tragic story.D.Its badconditions resultedin novisitors coming.
2.Which of thefollowingcan replacethe phrasedeveloped anappetite for the birdsin paragraph2A.began toeat the birdsB.lost interestin eatingthe birdsC.existed inharmony withthe birdsD.got intothe habitof attackingthe birds
3.Why didpeople chooseto releasea virusonto the islandA.To preventsoil erosion.B.To controlthe ratsand mice.C.To decreasethe populationof cats.D.To killall therabbits on theisland.
4.What does the word“that”in paragraph6refer toA.Removing invadingspecies.B.Dropping poisonfrom helicopters.C.Making theisland anofficial naturereserve.D.Training moredogs to find invadingspecies.
5.What messagedoestheauthor mostwant togive usA.Human activitiesshould bebanned.B.New equipmentshould beintroduced.C.Great effortsshould bemade tokill ratsandmice.D.We shouldgive theislands wildlifea brightfuture.ACTIVITY3Fill ineach blankwith oneproper wordortheproper formofthegiven word.MacquarieIslandis situatedin theSouth-west PacificOcean,halfway betweenAustralia andAntarctica.Its nativeinhabitants existed
1.perfect harmonyfor thousandsof years.However,atragicstory
2.happen whenhumans arrivedontheisland in1810,bringing ratsandmice whichfed onthebirdsontheisland.To controlthem,cats wereintroduced butthey alsoate thebirds.In themeantime,rabbits werebrought inas
3.kind offood forhumans,but theirdigging causedsoilerosion andincreased thecat populationbecause thecats alsoate therabbits.This inturn ledto morecatshunting thebirds,and theend resultwas parakeets
94.extinct.In the1980s,traps anddogs
5.useto catchthecats,and thelast catwas
6.final removedin
2000.But,the populationof rabbitsexplodedagain.The rabbits9digging causedsome land
7.collapse,killing manypenguins.This incidentmade
8.clear thatthe rat,mouse andrabbit problemneeded solvingonce andfor all.Helicopters wereused todrop poisonanddogswere trainedtofindevery lastremaining invadingspecieswithout
9.harm thenative animals.In theend,MacquarieIslandwas freefrom pestswith
10.itecology onthe wayto recovery.答案Activity11-7BAEDC GFActivity11-5CADAD Activity
31.in
2.happened
3.a
4.extinction
5.wereused
6.finally
7.to collapse
8.it
9.harming
10.its。
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