Unit+5+A+delicate+world+Understanding+ideas+高中英语外研版（2019）选择性必修第二册1

高中英语外研版2019选择性必修第二册Unit5ADelicateWorldUnderstandingIdeas—MacquarieIslandtrap/træp/n.夹子，陷阱v．使陷入困境；卡住，夹住；使陷入圈套，使中计Themanisabouttofallintothetrap.这个男人就要陷入圈套了。be/gettrappedin...被困在……中departure/dɪˈpɑːtʃə(r)/n．离开；起程；出发；背离，违反，离职，(从某组织)脱离Breakingupwithherboyfriendresultsinherdeparture.她的离开是因为她和男朋友分手了。departv．离开，出发immunity/ɪˈmjuːnəti/n.免疫力；免除，豁免Thelittleboyhasastrongimmunitytoviruses.这个小男孩对病毒有很强的抵抗力。immunitysystem免疫系统explode/ɪkˈspləʊd/v．突然增加；爆炸，爆发，迸发(感情)Thecompany’srevenueexplodedin2020.公司的营收在2020年时激增。n．激增；爆炸explosionadj.会爆炸的，激增的explosivecollapse/kəˈlæps/v.倒坍；崩溃；暴跌n.倒塌；昏倒；突然贬值Thebuildingcollapsedaftertheearthquake.地震后这栋建筑倒塌了。incident/ˈɪnsɪdənt/n.事件；（两国间的）冲突，严重摩擦Theheadmasteristalkingtothetwoboysabouttheclassroomincident.校长正在和这两个男孩谈论教室事件。incidentn.事件，事情accidentn.事故；意外事件eventn.大事“事件”近义词：词组翻译：小/大/相关/暴力/严重事故？aminor/major/related/violent/seriousincidentintervention/ˌɪntəˈvenʃn/n.干预，介入，干涉Themanstopsthedominoswithasuccessfulintervention.这个男人用一次成功的干预阻止了多米诺骨牌。thedominos多米诺骨牌owe/əʊ/v．应该做；对……负有……的义务；欠(账、钱、人情等)；归因于，归功于Asacommunitynurse,sheowestheelderlygoodcare.作为一名社区护士，她应该给予老人们悉心关怀。(1)owesb.sth.＝owesth.tosb.欠某人某物owe...to...把……归功于……(2)owingadj.未付的，欠着的owingto因为，由于欠某人一个人情？因为的相关短语？Lookatthepictureandanswerthequestions.1.Whatanimalscanyouseeinthepicture?2.Whatkindofchangeswouldtakeplaceifcats,ratsandrabbitswereintroducedtoanenvironmentlikethis?Penguinsandaseabird.Theywouldhuntthebirdsandeatthenativevegetation,thusbreakingthelocalecologicalbalance.Listentothepassageandmatchthemainideaswiththerelatedparagraphs.WatchavideoaboutMacquaireIsland.ReadPara.1andthinkFromwhataspectsdoesthewriterintroducetheisland?LocationShapeLandscapeInthe______________ocean,_______betweenAustraliaandAntarctica.Strongwindsandstromyseas.Thinandlonggreengrass,barerock,awildandnaturalbeauty.South-westPacifichalfwayHowwastheshapeformed?Humansarrivedin1810TocontrolratsandmiceTobeasourceoffoodforhumanstookovertheislandatebirds’eggsAttackedbabybirdsdevelopedanappetiteforbirdsmultipliedquicklyatethenativevegetationdughole,scausingsoilerosionmorerabbitsmeantmorecatsparakeetsdiedoutin1891.Readpara2&3,whathappenedtoMacquarieIslandbeforethe1970s?Whilethecat'saway,themicewillplay.Tolivethere.TimeInthe1970sInthe1980sactionsBecameanofficialnaturereserve;AviruswasreleasedtocontrolrabbitsTrapsanddogs---catchthecatsresultsRabbitswerereducedto10000.ThecatskilledmorenativebirdsThelastcatwascaughtin2000Ratsstartedtoincrease.Thelargenumberofmiceandrats?Theremaining10000rabbits?Disastrousresultsin2006CausedsomelandtocollapseKilledasubstantialnumberofpenguinsTherat,mouseandrabbitproblemneededsolvingonceandforall.Fillinthefollowingblankswithinformationinpara.4-51.What’stheauthor’smissionontheisland?Toremovethelastremaininginvadingspecies.2.Howdoyouunderstandthesentence“wehumansoweittotheislandtogiveitahappyending.”attheendofthepassage?Itishumansthathavecausedgreatdamagetotheislandanditisourdutytohelpitreturntonormal.Readthelastparagraphwiththefollowingquestions.Toavoidsimilarsituationsinthefuture,weshouldprotectthenaturalecosystemandbeawareofthepotentialimpactthathumanactivitiescanhaveontheecosystem.3.Howcouldsimilarsituationsbeavoidedinthefuture?

Postscript:In2014,MacquarieIslandwaspest-freeanditsecologyisontheroadtorecovery.MacquarieIslandusedtobeanaturallybeautifulplacebuteverythingchanged1_______humansarrivedontheisland.Theybroughtratsandmiceontotheisland,andthesesmallanimalsquicklytookovertheisland,2______(eat)thebirds'eggsandattackingbabybirds.Catswerebroughttotheislandtocontroltheratsandmice.3__________(fortunate),thecatssubsequentlydevelopedan4________forthebirdstoo.Meanwhile,rabbits5_____________(introduce)totheislandasasourceoffoodforhumans,buttheymultipliedrapidlyandbeganeatingthenativevegetationanddiggingholes,6________causedsoilerosion.Fillintheblanksaccordingtothepassage.wheneatingUnfortunatelyappetitewereintroducedthusTheexplodingrabbitpopulationprovidedplentifulfoodforthecats.7______consequence,thenumberofcatsalsoincreased.Thisinturnledtomorecats8_______(hunt)thebirds.Later,aviruswasreleasedontotheisland,andtherabbitpopulationdecreased.Butmeanwhile,thecatskilledmorebirdsforlackoffood.Inthe1980s,trapsanddogswereused9_________(catch)thecats,anditworked.Withthedepartureofcatsfromtheisland,themouseandratpopulationincreasedagain.Therabbitalsodevelopedanimmunitytothevirus,andtheirnumberexplodedagain.Thisincide