Unit5AdelicateWorldUnderstandingideas課件高中英語(yǔ)選擇性

LearningObjectivesWewillbeableto...findoutwhathappenedtoMacquarieIsland;makeaflowcharttoshowhumans’actions,purposesandtheresults.talkabouthowtoprotectournaturalecosystem.流程圖麥夸里島自然生態(tài)系統(tǒng)Unit5AdelicateworldUnderstandingideas2.Backgroundinformation:

Macquarie/m?'kw?ri/Island(麥夸里島）GuessGame：Whatanimalsarethey?royalpenguins

皇家企鵝kingpenguin

帝企鵝elephantseals

海象(seal:海豹)seamew

海鷗TheyallliveinMacquarieIsland.=nativeinhabitants1.GuessGame：Whatanimalsarethey?rabbitshumankind人類(總稱)

dograt大老鼠

catmice(mouse的復(fù)數(shù))non-nativeinhabitants3.Question:

Whatwillhappenifalltheseanimalsareputin

theisland?＋I(xiàn)thinktheislandwillbe_______.nativeinhabitantsnon-nativeinhabitants=crowded擁擠的destroyed毀掉的damaged受損的chaotic

混亂的...Let’sreaddeeplyintothepassageandfindout...4.Readthetitleandpredictthemainideaofthepassage.MacquarieIsland:

fromChaos

to

Conservation/'ke??s/n.混亂；紊亂/k?ns?'ve??n/n.（對(duì)自然環(huán)境的）保護(hù)n.

astateofcompleteconfusionandlackofordern.

protectionofthenaturalenvironment1.TheMainidea:WhathappenedtoMacquarieisland?

_______(Nativeinhanbitant/

Non-nativespecies)introducedtoMacquarie

Island______(helped/attacked)nativebirds,andledtoa__________(subtle/substantial)reductionofbirdpopulationand

eventheextinction(滅絕)ofparakeets.Inaddition,non-nativespeciesateanddevastatedthenative

vegetation.Allofthisplayedapartin_______________(upsetting/cheering)thenaturalharmonyoftheisland.Butnowtheisland’secology（生態(tài)）isontheroadto_________(destruction/recovery)withhumanefforts.?????Let’sreadtogether!

Non-nativespeciesintroducedtoMacquarie

Island

attacked

nativebirds,andledtoa

substantialreductionofbirdpopulationand

eventheextinction(滅絕)ofparakeets.Inaddition,non-nativespeciesateanddevastatedthenative

vegetation.Allofthisplayedapartinupsettingthenaturalharmonyoftheisland.Butnowtheisland’secology（生態(tài)）isontheroadtorecovery

withhumanefforts.2.Matchthemainideaswithparagraphsandfind

thekeywords.Para1Para2Para3Para4Para5Para6A.Toprotectnativeanimals,invadinganimalsspecieshadtoremoved.B.Forbiologicalchain,theisland’srecentstoryisreallyatragicstory.C.Forsomereasons,therewerenocatsin2000.D.MacquarieislandisUNESCOworldHeritageSite.E.Becauseofbiologicalchain,parakeetsdiedout.F.Therat,mouseandrabbitproblemshouldbesolvedonceandforall.ADDYOURTITLEHERE

Thebrief

introductionofMacquarieIslandL______S______L_______Title(頭銜）I_________

inthesouth-westPacificOcean,halfwaybetweenAustraliaandAntactica

longandthinshapecausedbystrongwindandstormyseasgreengrassandbarerockcontrastdramaticallyaUNESCOWorldHeritageSiteandnaturalbeautyPenguins,elephantsealsexistedinharmonywiththeirnaturalhabitantforthounsandsofyears1.FindthedetaileddescriptionofMacquarieislandinparagraph1andsummarizetheaspects?LocationShapeLandscapeInhabitantsharmony,butthen?Para.2-62.Readpara2-6andcompletetheflowchart.

Time(s)in1810Humanarrivedtolivetherebroughtratsandmicetoeatbird’seggsandattackbabybirds.brought___developedana________forthebirds,toointroduced____tobeasourceoff_____forhumancausesoile_____andparakeetsd__________in1891releasedv___tor_____alltherabbitscatskillednativebirdsu______60,000eachyear_________________inthe1970susedt____anddogsto_____thecatsincreasethep_________ofmouseandratusedp____anddogsinthe1980sin2006toremovealltheinvadingspeciesdeclaredpest-freeanditsecologyisontheroadtorecovery宣布無(wú)蟲害，其生態(tài)正在恢復(fù)Time(s)in1810Humanarrivedtolivetherebroughtratsandmicetoeatbird’seggsandattackbabybirds.brought___developedan________forthebirds,toointroduced____tobeasourceof_____forhumancausesoil_____andparakeets____________in1891released____to_____alltherabbitscatskillednativebirds______60,000eachyear_________________inthe1970sused____anddogsto_____thecatsincreasethep_________ofmouseandratused____anddogsinthe1980sin2006toremovealltheinvadingspeciesdeclaredpest-freeanditsecologyisontheroadtorecoveryappetite食欲fooderosion侵蝕diedout滅絕virus病毒removeupto多達(dá)traps陷阱catchpopulationpoison毒藥宣布無(wú)蟲害，其生態(tài)正在恢復(fù)TheActions

caused

disastrouseffectsonecosystem.災(zāi)難性的almost200yearsTime(s)in1810Humanarrivedtolivetherebroughtratsandmicetoeatbird’seggsandattackbabybirds.brought___developedan________forthebirds,toointroduced____tobeasourceof_____forhumancausesoil_____andparakeets____________in1891released____to_____alltherabbitscausedsoil_____andparakeets____________inthe1970sused____anddogsto_____thecatsincreasethe_________ofmouseandratused____anddogsinthe1980sin2006to_____alltheinvadersdeclaredpest-freeanditsecologyisontheroadtorecoveryWhoisthechief(最主要的）invadingspecies?宣布無(wú)蟲害，其生態(tài)正在恢復(fù)__________Para6:...wehumansoweittotheislandtogiveitahappyending.(Whoeverstartedthetroubleshouldendit!)解鈴還須系鈴人

3.From"Tragicstorytopest-freehappyendingaftermorethan200years,becauseofasmallevent,humanbeingshavepaidsuchahugeprice."Howcouldsimilarsituationsbeavoidedinthefuture?Post-reading:Thinkandshareprotectthenaturalecosystem;preventspeciesinvasioncausedbyhumansbeawareofthepotentialimpactonnature;liveintheharmonywiththenature;taketheroadofsustainabledevelopment;Toavoidsimilarsituationsinthefuture,weshould...保護(hù)自然生態(tài)系統(tǒng)要意識(shí)到對(duì)自然的潛在影響與自然和諧相處走可持續(xù)發(fā)展之路……ClearWatersandLushMountainsareasValuableasGoldandSliver.——XiJinping防止人類造成的物種入侵Q:Ashighschoolstudents,Whatcanwedotoprotectourenvironment?(Groupwork)plantmoreplantscollectwasteforrecyclingprevent

pouringwastewaterintoriver,lakeandfielddon’tpicktheflowersorsteponthegrassinpublic

tellpeoplefullyrealizetheimportanceofenvironmentprotectionthrougheducationreducetheuseofp