Unit5AdelicateWorldUnderstandingideas課件高二英語選擇性

Unit5ADelicateWorldMacquarieIsland:

fromchaostoconservationAnimalsinthepictures

birdspenguinsWhatistherelationshipbetweentheanimalsandtheislandTheyarenativeinhabitantsortheyarenativetotheisland.MACQUARIEISLAND:

from

ChaostoConservation/'ke??s/n.混亂；紊亂astateofcompleteconfusionandlackoforder

/k?ns?'ve??n/n.theprotectionofthenaturalenvironment（對(duì)自然環(huán)境的）保護(hù)Predict:whathappenedtotheislandReadandmatchthemainideawithitscorrespondingparagraph.A.Therabbitproblemresultedinparakeets'dyingout.B.Therat,mouseandrabbitproblemmadepeoplerealisethatproblemsshouldbesolvedonceandforall.C.Iparticipatedinaprogrammetotacklethisveryproblem.D.NativeinhabitantsonMacquarieIslandwereonceinperfectharmonywiththeirnaturalhabitat.E.Peoplereleasedavirustokillrabbitsandusedtrapsanddogstocatchthecats.F.Ratsandmicebroughttotheislandcausedharm.ADDYOURTITLEHEREReadpara.1andfindoutsomeinformationaboutMacquarieIslandLocationShapeLandscapeTitleInhabitantsinthe____________PacificOceanbetween_______________and_______shapecausedby_______windand______________________and________contrast___________________and_______penguins,_________and_________AustraliaAntarcticaPacificOceanSouth-westAustraliaAntarcticaADDYOURTITLEHERESomeinformationaboutMacquarieIsland(麥夸里島)LocationShapeLandscapeTitleInhabitantsinthe____________PacificOceanbetween_______________and_______shapecausedby_______windand______________________and________contrast___________,givingita_________and________beauty________and_______penguins,_________and_________South-westAustraliaAntarcticalongthinstrongstormyseasADDYOURTITLEHERESomeinformationaboutMacquarieIsland(麥夸里島)LocationShapeLandscapeTitleInhabitantsinthe____________PacificOceanbetween_______________and_______shapecausedby_______windand______________________and________contrast___________givingita_________and________beauty________and_______penguins,_________and_________South-westAustraliaAntarcticalongthinstrongstormyseasgreengrassbarerockdramaticallyUNESCOWorldHeritageSiteroyalkingelephantsealswildnaturalnativeinhabitantsexistedinperfectharmonyThen,whathappenedtotheislandBut...Diditremainthishamoniousandpeacefulsceneallthetime181018911970s1980s20002006WhatdidhumansdoWhydidtheydoitHowdiditend2014actionspurposesresultsReadpara2MacquarieIslandarrivedbroughtunknowinglytookoveratebirds'eggsattackedbabybirdsdevelopedanappetiteforthebirdswerebroughttocontrol1810Readpara3andconnectthepicturesMacquarieIslandintroducedasasourceoffoodmultipliedatevegetationdugholesprovidedfoodthenumberincreasedhuntedbirdsparakeetsdiedout1891Readpara4anddrawamindmapreleasedavirustoremovedecreasedto10,000lessfoodkilledmorebirdsusedtocatchThelastcatwascaughtin2000.usingexamplesandnumberstoconvincereaders1970s1980sReadpara5anddrawamindmap

increaseddevelopedanimmunityexplodedagaindugholesMacquarieIsland

landcollapsedasubstantialnumberofpenguinswerekilledWhilethecat’saway,themicewillplay.2006Readpara6Howdotheysolvetheproblem1.Thefirststepinvolvedpoisonbeingdroppedfromhelicopters.2.Thenextstepistoremovethelastremaininginvadingspeciesbyusingthetraineddogs.2014“Thisinterventionisalong,much-delayedendingtoasadstory,butwehumansoweittotheislandtogiveit

ahappyending.”181018911970s1980s20002006chaosconservation2014204yearsWhoaretheinvadingspeciesItis_________thathavedamagedthe__________oftheMacquarieislandanditishumans’_________tohelpitreturnto________.humansecosystemdutynormal(Whoeverstartedthetroubleshouldendit!)解鈴還須系鈴人Organiseinformationfromthepassageandcompletetheflowchart.eatingthebirds’eggsandattackingbabybirdstheytookovertheisland,Catswerebroughttotheisland.in1810Thecatsdevelopedanappetiteforthebirds.Rabbitswereintroducedtotheisland.Toprovidefoodforhumans.morerabbitsmeantmorecatsMorecatshuntedthebirdsandparakeetsdiedout.Aviruswasreleasedontotheisland.Trapsanddogswereused.Poisonanddogswereused.Toremovealltherabbitsfromtheisland.Tocatchthecats.Toremovealltheremaininginvadingspecies.Theislandispest-freeanditsecologyisontheroadtorecovery.Substantialreductionofrabbitpopulationledtocatskillingmorenativebirds.Thepopulationofratsandmiceincreased.in1970sin1980sin2000Therabbitpopulationexplodedonceagain.in1891in2006HumanbeautySummarychaosconservationharmonyHumansbrokethe_______ofthe________balanceecosystemHumanstriedto_________the_______conserveecosystemChoosetheauthor’spurposeinwritingthepassage.

1.ToanalysehowMacquarieIslandwassavedfromdestruction.2.ToinformreadersofthechaoscausedonMacquarieIslandbyhumans.

3.ToentertainreaderswithafunnystoryaboutwhathappenedonMacquarieIsland.4.Tosuggestwaysinwhichanecosystemcanbeprotected.ThinkandshareWhatlessonsdoyoulearn※Avoidhumanintervention.※Thinktwicebeforeactionwhiletacklingproblems.※Raisetheawarenessofprotectingnature.※Keepbalancedbetweendevelopmentandconservation.ClearWatersandLushMountainsareasValuableasGoldandSliver.——XiJinping

1.failtodosth2.inharmonywith3.developanappetitefor4.beintroducedto 5.soilerosion6.outofcontrol未能做成某事與……和諧被引入……土壤侵蝕失控對(duì)……產(chǎn)生興趣Languagepoints:Importantwordsandexpressions

7.remove...from8.decreasefrom...to9.inconsequence10.turnout11.asubstantialnumberof12.onceandforall13.everylast14.oweittosbtodosthLanguagepoints:Importantphrases結(jié)果；因此原來是；結(jié)果是，證明是大量的每一個(gè)(認(rèn)為)應(yīng)該為某人做某事徹底地；一勞永逸地從……移走/去除從……減少到……Languagepoints:Importantwordsandexpressions

1.Norwouldtheyfailtoimaginehowitsnativeinhabitants,includingroyalpenguins,kingpenguins,andelephantseals,existedinperfectharmonywiththeirnaturalhabitatforthousandsofyears.Languagepoints:ImportantsentencesParaphrase:Theycouldn’thelpbutimaginehowitsnativeinhabitants,includingroyalpenguins,kingpenguins,andelephantseals,existedincompleteunitywiththeirnaturalhabitatforthousandsofyears.

Languagepoints:Importantsentences例：1)Hedidn’tquithisjob,norwashefired.

他沒有辭職，也沒有被解雇。2)Theycouldn’tunderstanditatthetime,andnorcouldwe.他們那時(shí)無法理解這件事，我們也理解不了。具有否定意義的副詞放在句首時(shí)，句子要用部分倒裝結(jié)構(gòu)。本句中nor

為否定詞，它所引導(dǎo)的句子要用倒裝語序，常見結(jié)構(gòu)為：Nor+助動(dòng)詞/be動(dòng)詞/情態(tài)動(dòng)詞+主語+謂語+其它成分

2.Unfortunately,thecatssubsequentlydevelopedanappetiteforthebirds,too.Languagepoints:ImportantsentencesParaphrase:Unfortunately,thecatssubsequentlybegantoeatthebirds,too.developanappetitefor...

developatastefor...對(duì)……產(chǎn)生興趣developaninterestin...

developaclosefriendshipwith...

與……產(chǎn)生親密的友誼developthehabitof...

養(yǎng)成……的習(xí)慣develop(an)immunityto...

對(duì)……產(chǎn)生免疫力

3.Looseontheisland,theydidwhatrabbitsdobest–theymultipliedrapidlyandbeganeatingthenativevegetationanddiggingholes,whichcausedsoilerosion.Languagepoints:ImportantsentencesParaphrase:Rabbitswerefreeontheislandandtheydidwhatrabbitsdobest–theyincreasedtheirnumbersrapidlyandbeganeatingthelocalplants,flowers,etcanddiggingholes,whichcausedsoilerosion.

Languagepoints:Importantsentences1）Wereachedthetopofthemountain.Weweretiredandhungry.形容詞（短語）作狀語的用法：其邏輯主語為句子的主語，是由主語相同的兩個(gè)句子改寫而成的。=Wereachedthetopofthemountain,tiredandhungry.我們到達(dá)山頂。感覺又累又餓。=Satisfiedwithit,Janeboughtthebookimmediately.Jane對(duì)這本書很滿意，立刻就買了下來。2）Janewassatisfiedwithit.Sheboughtthebookimmediately.

4.Thisinturnledtomorecatshuntingthebirds.Languagepoints:ImportantsentencesParaphrase:Asaresult,thisledtomorecatshuntingthebirds.inturn依次；輪流。還