Unit+5+A+delicate+World+Understanding+ideas+課件【知識(shí)精講精研】高中外研版（2019）選擇性必修第二冊(cè)

新標(biāo)準(zhǔn)《英語(yǔ)》高中選擇性必修第二冊(cè)UnderstandingideasPre-readingMACQUARIEISLAND:

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)

What'sthemainideaofthepassage?A．MacquarieIslandwassavedfromdestruction.B．AllkindsofcreaturesliveinharmonyinMacquarie

Island.C．HowdidmankinddestroyMacquarieIsland?D．MacquarieIsland'suniquescenery.Fast-readingReadthepassagequickly.Choosethemainideaanddevidethepassageinto3parts.Divideitintothreeparts,andgetthemainideaofeachpart.ReadforstructurePart1Para_____

Part2Paras_____ Part3Paras_____ Anintroductiontotheisland12-34-6the_______________oftheislandthe________________oftheislandchaosconservation1.Whatcanwelearnfromthefirstparagraph?A.MacquarieIslandisaUNESCOWorldHeritageSite

becauseofitswildandnatural

beauty.B.Thegreengrassandbarerockofitslandscapeon

MacquarieIslandformitsbeauty.C.Royalpenguins,kingpenguinsandelephant

seals

liveinperfectharmonynow.D.ThewriterisstandingonMacquarieIsland

enjoying

itswildandnaturalbeauty.Readpara.1andfinishthefollowingtasks.While-readingReaddetails1IamstandingonMacquarieIsland,intheSouth-westPacificOcean,halfwaybetweenAustraliaandAntarctica.Strongwindsandstormyseashavehelpedsculptitslong,thinshape.Thegreengrassandbarerockofitslandscapecontrastdramatically,givingitawildandnaturalbeauty.NovisitorwouldthinkitsurprisingthattheislandisaUNESCOWorldHeritageSite.Norwouldtheyfailtoimaginehowitsnativeinhabitants,includingroyalpenguins,kingpenguins,andelephantseals,existedinperfectharmonywiththeirnaturalhabitatforthousandsofyears.inthemiddle中間的vt.塑造=buildadj.赤裸的與……和諧共處failv.失敗;不及格;出故障;使失望;使無(wú)能為力failtodo未能…；不能…failin在……方面失敗；考試不及格1.Ifailedtopersuadehimoutofsmoking.2.Hefailed(in)thecompetition,feelingsad.3.Theexaminersfailedoverhalfthecandidates.4.Thebrakesonmybikefailedhalfwaydownthehill.5.Hereyesightis

failing

owingtousingtheInternettoomuch.6.Whenhelosthisjob,hefelthehadfailed

hisfamily.7.Wordsfailmetoexpressmygreatgratitude.8.Thecropsfailedagainlastsummer.9.Manysmallcompanieshavefailed

duringthepandemic.未能做成某事不過(guò)關(guān)；不及格判定不合格出故障健康衰退使失望無(wú)能為力歉收破產(chǎn)2.HowdidratsandmicegettoMacquarieIsland?A．Onpurpose.B．Byaccident.C．Theycamebythemselves.D．Theywerethere.Readpara.2andfinishthefollowingtasks.2Buttheisland’smorerecenthistorytellsadifferentstory.It’satragicstorythatbeganin1810whenhumansarrivedontheisland.Intheirshipstheyunknowinglybroughtratsandmice.Thesesmallanimalsquicklytookovertheisland,eatingthebirds'eggsandattackingbabybirds.Catswerebroughttotheislandtocontroltheratsandmice.Unfortunately,thecatssubsequently

developedanappetiteforthebirds,too.adv.不知不覺(jué)地接管

被引進(jìn)afterwardsadv.后來(lái)

對(duì)……產(chǎn)生食欲說(shuō)的情況迥然不同3.

Whatwasthecauseofsoilerosion?A.Rabbitswereintroducedtotheisland,

multiplying

rapidlyanddiggingholes.B.Parakeets,nativetotheisland,diedoutbecauseof

humans’activities.C.Theinereasing

numberofcatsledtomore

cats

huntingthebirds.D.Ratsandmice

multipliedrapidlyanddug

holes

withoutcats.Readpara.3andfinishthefollowingtasks.3Meanwhile,rabbitswereintroducedtotheislandasasourceoffoodforhumans.Looseontheisland,theydidwhatrabbitsdobest—theymultipliedrapidlyandbeganeatingthenativevegetationanddiggingholes,whichcausedsoilerosion.Theexplodingrabbitpopulationprovidedplentifulfoodforthecats,meaningthatthenumberofcatsalsoincreased.Thisinturnledtomorecatshuntingthebirds.Theendresultwasthatparakeets,oncelargeinnumberandnativetotheisland,diedoutin1891.adv.與此同時(shí)

被引進(jìn)

作為……

散居

快速繁殖

水土流失

反過(guò)來(lái)

滅絕

原產(chǎn)于4.Whichmethod

toremove

therabbitsfromthe

island

wasusedeffectivelyinthe1970s?A.Alargenumberofdogswerereleased.B.Alargenumberofbirdswerereleased.C.Aviruswasdeliveredontotheisland.D.Alargenumberofcatswerereleased.Readpara.4andfinishthefollowingtasks.4EvenafterMacquarieIslandbecameanofficialnaturereserveinthe1970s,therabbitsremainedoutofcontrol.Expertsfeltitnecessarytocomeupwithaplantoremovealltherabbitsfromtheisland.Withthisgoalinmind,aviruswasreleasedontotheisland.Butalthoughtheviruscausedtherabbitpopulationtodecreasefrom130,000toaround10,000,italsomeantlessfoodforthecats.Thecatsinconsequenceturnedtheirattention—andtheirstomachs—backtothenativebirds,killingupto60,000eachyear.Inthe1980s,trapsanddogswereusedtocatchthecats.ThelastMacquarieIslandcatwascaughtin2000.

自然保護(hù)區(qū)

失去控制

從……中清除

懷著這個(gè)目標(biāo)

下降到……

因此；結(jié)果=asaresult5.Whatcausedthemassdeathofpenguins?A．Thevirus.B．Increaseinrats.C．Landcollapse.D．Lackofimmunity.Readpara.5andfinishthefollowingtasks.5Butasthesayinggoes,“Whilethecat’saway,themicewillplay.”Withthedepartureofthecatsfromtheisland,themouseandratpopulationstartedtoincrease.Andrememberthose10,000orsorabbits?Itturnedoutthattheydevelopedanimmunitytothevirus,andtheirnumbersexplodedonceagain.Then,in2006,therabbits’diggingcausedsomelandtocollapse,andkilledasubstantialnumberofpenguins.Thisincidentmadeitclearthattherat,mouseandrabbitproblemneededsolving

onceandforall.

俗話說(shuō)……n.離開(kāi)

證明是……

產(chǎn)生免疫力……

增加

表明……

一勞永逸地6.Whatweredogstrainedtodo?A．Howtodroppoisonfromhelicopters.B．Howtoremovethelastremaininginvasivespecies.C．Givetheislandahappyending.D．Findeverypreywithoutharmingthelocalanimals.Readpara.6andfinishthefollowingtasks.6So,IamhereonMacquarieIslandtoparticipateintheprogrammetotacklethisveryproblem.Thefirststepinvolvedpoisonbeingdroppedfromhelicopters.Thenextstepistoremovethelastremaininginvadingspecies,andthat’swhereIcomein—withmydogs.Theyhavebeentrainedtofindeverylastone,withoutharmingthenativeanimals.Thisinterventionisalong,much－delayedendingtoasadstory,butwehumansoweittotheislandtogiveitahappyending.Postscript:In2014,MacquarieIslandwasdeclaredpest-freeandtheisland’secologyisfinallyontheroadtorecovery.

處理……

入侵物種

干預(yù)，介入

延遲

無(wú)蟲(chóng)害

在通往……的路上

歸咎于……Organiseinformationfromthepassageandcompletetheflowchart.ACTION(S)HumansarrivedonMacquarieIsland.PURPOSE(S)Tolivethere.Tocontroltheratsandmice.RESULT(S)Ratsandmicewerebroughttherebyaccident,and_______.Rabbitsmultipliedandcausedsoilerosion,and________.TimeHumansarrivedonMacquarieIsland.Tolivethere.Ratsandmicewerebroughttherebyaccident,and________________________________________________________________________theytookovertheisland,eatingthebird’seggsandattackingbabybirds.ACTION(S)PURPOSE(S)RESULT(S)TimeIn1810ACTION(S)PURPOSE(S)RESULT(S)Tocontroltheratsandmice.Catswerebroughttotheisland.Thecatsdevelopedanappetiteforthebirds.TimeAfter1810Rabbitsmultipliedandcausedsoilerosion,and________________________________________________________________________________________________________________________________________Rabbitswereintroducedtotheisland.Toprovidefoodforhumans.theexplodingrabbitpopulationprovidedplentifulfoodforthecats.Thisledtomorecatshuntingthebirds.Asaresult,parakeetsdiedoutin1891.ACTION(S)PURPOSE(S)RESULT(S)Time1810-1891Aviruswasreleasedontotheisland.Toremovealltherabbitsfromtheisland.Substantialreductionofrabbitpopulationledtocatskillingmorenativebirds.ACTION(S)PURPOSE(S)RESULT(S)Trapsanddogswereused.Tocatchthecats.Thedepartureofthecatsresultedinanincreasingpopulationofratsandmice.Andtherabbitpopulationexplodedonceagain.Timeinthe1980sinthe1970sPoisonsanddogswereused.Toremovealltheremaininginvadingspecies.Theislandwaspest-freeanditsecologyisontheroadtorecovery.ACTION(S)PURPOSE(S)RESULT(S)Time2014thechaosoftheisland1.Whatwasbroughttotheisland?2.Whathappenedaftertheyreachedtheisland?ReadPart2(paras.2-3)andfinishthefollowingtasks.While-readingReaddetailsTime1810After18101810-1891Inthe1970sInthe1980sAtpresentReadPart2(paras.2-3)andfinishthefollowingtasks.thechaosoftheisland1.Whatwasbroughttotheisland?rats&micecatsrabbits2.Whathappened