Unit5IntothewildUnderstandingideas课件高中英语

5IntothewildP2UnderstandingideasWhatphenomenonismentionedinthevideo?Animalmigration.·

Animalmigrationreferstothemovementofaspeciesfromonehabitattoanotherinresponsetoseasonalchangestotheenvironment.·Oftencoveringgreatdistancesandinvolvinghugenumbersofanimals.·Migrationhappensinallpartsoftheanimalkingdom,fromfishandinsectstobirds,reptitlesandmammals.bacdefLookatthepicturesandchoosetheanimalsthatmigrate.monarchbutterflySiberiancraneAtlanticsalmonredpandakillerwhaleAfricanlion黑脉金斑蝶西伯利亚鹤大西洋鲑鱼红熊猫虎鲸非洲狮Nowtalkaboutwhatyouknowaboutanimalmigrationbasedonthesepoints.AnimalsthatmigrateTimeofanimalmigrationReasonsforanimalmigrationInfluencesofhumanactivitiesonanimalmigration…Nowlet'sreadthepassageTheMonarch'sJourneytoexploremoreaboutanimalmigration.Gothroughthepassagequicklyandgetitsmainidea.Task1A.Themonarch'smigration.B.Thereasonsformonarch'smigration.C.Mexico'smonarch.Themainideaofapassagecanbefoundfromitstitle,thetopicsentences,oreventhepictures.TitlePictureThetopicsentenceReadthepassageandfindoutwhatmysterythescientistshavesolved.Task2P50

2Thescientistshavesolvedthemysteryofhowmonarchbutterfliesmanagetotravelalongdistanceandfindtheirwaytotheirdestination.Choosewhereyouaremostlikelytofindthepassage.Task31.Inascientificresearchpaperaboutthemonarchbutterfly'smigration.2.Inapopularnaturemagazineintroducingthemonarchbutterfly.3.InatravelleafletencouragingpeopletovisitNorthAmerica.P52

3Readparagraphbyparagraphtoanswerthequestions.Task41.Whatismigration?Whydomanyanimalsmigrate?(Para.1)2.Duringthemigration,wheredotheystartandgoto?(Para.2)3.Howdoesthemonarchdeterminethewaytogo?(Para.3)4.Whathasmadeitspopulationcrashedbyasmuchas90percent?(Para.4)5.What'sthesignificanceoftheresearchonthemonarch?(Para.5)Para.1①Whatismigration?Migrationisan______movementinwhichmanyanimalsmovefrom__________________.②WhichoneisNOT

thereasonwhyanimalsmigrate?A.tofindsomethingtoeatB.tolookforacompanyC.tosearchforwarmerplaceD.togotravellingfooddpartnerweatherannualoneplacetoanotherThedefinition(定义)&reasons

ofmigrationReadforthecontentTip:阅读中常见选项的同义改写Manyanimalsmovefromoneplacetoanotheratcertaintimesoftheyear.Thisannualmovementiscalledmigration.Theymigratetofindfood,seekapartner,orinsearchofwarmerweather.OneofthemostwonderfulmigrationsinnatureisthatoftheNorthAmericanmonarchbutterfly.Migrationphenomenonand

thecauseReadparagraph1Belogical

Everyautumn,millionsofthesebeautifulinsectswithfineblackandorangewingsbeginalonganddifficultjourney.Somehowtheymanagetotravelaround4,000kilometressouthandfindtheirwaytoCaliforniaorMexico.

However,untilrecentlynooneknewhowtheydidthis.when?where?howlong?BelogicalNorthAmericaCaliforniaorMexicoReadparagraph2AteamofscientistsledbyProfessorEliShlizermanattheUniversityofWashingtonhasnowfoundtheanswer.Theyhavefoundoutthatthemonarchisabletotellthetimeofday.Itusesitseyestomeasurethepositionofthesun.Thesetwopiecesofinformation—thetimeofdayandthepointwherethesunisinthesky—allowthebutterflytodeterminethewaytogo.Eventually,itmanagestoreachtheplaceswhereitwillspendthewinter.BelogicalWhatmysteryhavethescientistssolved?themonarchisabletotellthetimeofdayItusesitseyestomeasurethepositionofthesunallowthebutterflytodeterminethewaytogoreachtheplaces

Thesolutiontothemysteryofthemonarch’samazingabilitycomesatatimewhenitisinserioustrouble.Itspopulationhascrashedbyasmuchas90percentinthelastfewyears.Sadly,humanactivityisthemainreasonwhythenumberofmonarchbutterfliesisfalling.Inmanyoftheplaceswherethebutterflycanbefound,peoplearedestroyingthenaturalenvironment.Theycutdowntreesandusechemicalsthatkilltheplantsthatmonarchcaterpillarseat.BelogicalCausesandeffectsofthemonarchpopulationcrashWhathasmadeitspopulationcrashedbyasmuchas90percent?paragraph4BelogicalTheresearchonthemonarch’sbehaviourhashoweverledtoagreaterawarenessofthiscreature.Peoplehavebeenworkingtogethertorecorditsmigrationandmakesurethatthereareenoughplantsforittofeedon.Ifthisworks,theremaycomeatimewhenthenumberofmonarchbutterfliesincreasesonceagain.Themoreweknowaboutthislovelycreature,thegreaterthechanceitwillsurviveandkeepitsplaceinthenaturalworldforalongtimetocome.What'sthesignificanceoftheresearchonthemonarch?Readparagraph5Completethesentenceswithexpressionsfromthepassage.Thenusethesentencestocompletethe“cause-effect”flowchart.Task5P52

4aThemonarchbutterflyisabletotell1_____________.bUsingthesetwopiecesofinformation,themonarchbutterflydetermines2_____________.cThemonarchbutterflymeasures3___________________withitseyes.dThemonarchbutterflyreaches4___________________________________.dthetimeofdaythewaytogothepositionofthesuntheplaceswhereitwillspendthewintera/cc/abeHumans5_________trees.fThe6________________________________wheremonarchscanbefoundisdestroyed.gHumansusechemicalsthat7_____________thatmonarchcaterpillarseat.hThemonarchbutterfly'spopulation8____________________________________inthelastfewyears.he/gg/efcutdownnaturalenvironmentofmanyplaceskilltheplantshascrashed(byasmuchas90percent)Learntounderstandthepassage.Thebackgroundtothemonarch'smigrationThemysteryofthemonarch'smigrationInfluencesofhumanactivitiesItssolutionWhydoestheauthoruse“journey”insteadof“migration”inthetitle?BecriticalThemonarch'sjourneytothedestinationScientists’journeytodiscoveringthemysteryHuman’sjourneytoprotectingthemonarchlongandtoughprocessinneedofjointeffortsWithjointefforts,wecanmakeadifferencetoourjourneytoprotectingtheecosystem.?TheMonarch'sJourneyItisableto1.____________________.Itusesitseyesto2.___________________________.Thesetwopiecesofinformationallowthebutterflyto3.______________________.Itmanagestoreachtheplaces4._________________________.Itspopulation5.___________________________inthelastfewyears.Thenaturalenvironmentwherethebutterflycanbefound6.__________.People7._____________.People8.____________thatkilltheplantsthatmonarchcaterpillarseat.tellthetimeofthedaymeasurethepositionofthesundeterminethewaytogowhereitwillspendthewinterhascrashedbyasmuchas90%isdestroyedcutdowntreesusechemicalsCompletethegraphicorganiserandthenretellthetextaccordingtoit.TimeWhereHowTroubleEvery________.Travelaround4,000kmsouthto____________________.Use____tomeasurethe________________and________________________________.____________________________________________________________________.Mainreason:_____________suchas________________and______________.Solution:Makesurethatthereare____________forittofeedon.TheMonarch'sJourneyautumnCaliforniaorMexicoeyesthetimeofthedaythepointwherethesunisintheskyItspopulationhascrashedbyasmuchas90percent.humanactivitycuttingdowntreesusingchemicalsenoughplantsCompletethegraphicorganiserandthenretellthetextaccordingtoit.SummaryThe1.__________(migrate)oftheNorthAmericanmonarchbutterflycanbeconsideredasthemost2.__________(wonder)oneinnature.Inotherwords,it’s3.___wonder!Everyautumn,thesebeautifulinsects4.

haveblackandorangewingsmanagetotraveltoCaliforniaorMexico.Atfirst,nooneknowshowtheymigrate.5.________,ateamfoundtheanswereventually.Thereasonswhythemonarchcanreachthedestination6._________(correct)arethatnotonlyaretheyabletotellthetimeoftheday,butalsotheyhavetheability7.___________(determine)thepositionofthesun.Thecurrentsituationisthatthenumberofthemonarchisfalling,whichleads8.___theawarenessofthiscreature.Human9.

(behave)haveaneffectonthem,butpeoplearetaking10.__________(measure)tosavethem.migrationwonderfulathat/whichHowevercorrectlytodeterminetobehaviorsmeasures Atcertaintimesoftheyear,manyanimalsmovefromoneplacetoanother.Thisannualmovementiscalled_________.Theymigrateto_________,seekapartnerorsearchforwarmerweather.OneofthemostwonderfulmigrationsinnatureisthatoftheNorthAmerican________________. Everyautumn,millionsofmonarchbutterfliestravelaround4,000kilometresto__________orMexico.However,untilrecently,nooneknewhowtheydidthis. AteamofscientistsledbyProfessorEliShlizermanhasfoundoutthatthemonarchisableto____________________.Itusesitseyestomeasurethepositionofthesun.Completethesummaryusingtheinformationinthearticle.migrationfindfoodmonarchbutterflyCaliforniatellthetimeofthedayThesetwopiecesofinformation-thetimeofdayandthepointwherethesunisinthesky-allowthebutterflytodetermine____________.Eventually,itmanagestoreachtheplaceswhereitwillspendthewinter. Becauseof______________,thepopulationofmonarchbutterflieshascrashedbyasmuchas90%inthelastfewyears.However,theresearchonthemonarch'sbehaviourhasledtoagreaterawarenessofthiscreature.Peoplehavebeenworkingtogethertorecorditsmigrationandmakesurethatthereareenoughplantsforitto_______.It'shopedthatthenumberofmonarchbutterflieswillincreasesoon.thewaytogohumanactivityfeedonDiscussionWhatimpressesyoumostaboutthemonarchbutterfly?P52Whatcanpeopledotohelpprotectthemonarchbutterfly?Conclusion1.Thesetwopiecesofinformation-thetimeofdayandthepointwherethesunisinthesky-allowthebutterflytoderterminethewaytogo.插入语关系副词where引导的定语从句，where用作地点状语。Paraphrase:Thebutterflyisawareofthetimeofdayandthepositionofthesuninthesky,soitcanusethesetwopiecesofinformationtofindoutwhichwaytogo.这两条信息——一天中的时刻和太阳在天空中的位置——让黑脉金斑蝶能够判定前进方向。Sentenceanalysingforbetterunderstanding2.Thesolutiontothemysteryofthemonarch'samazingabilitycomesatatimewhenitisinserioustrouble.solutiontosth.……的解决办法(1)There'snosimplesolutiontothisproblem.(2)Shecameupwithaningenious(巧妙的)

solutiontotheproblem.这个问题没有简单的解决办法。她想出一个巧妙的办法来解决这个问题。关系副词when引导的定语从句inserioustrouble遇到大麻烦(1)Withoutyourhelp,wewouldhavebeen

inserioustrouble.(2)Heisinserioustroubleandneedsmyhelp.没有你的帮助，我们会遇到大麻烦。他遇到了很大的麻烦，需要我的帮助。Paraphrase:Peoplesolvedthemysteryofthemonarch'samazingabilityatthesametimethatthemonarchisfacingaseriousanddifficultsituation.黑脉金斑蝶这一惊人能力的奥秘被揭开时，这一生物正处于水深火热的生存状态中。1.managetodosth.2.thesolutionto3.humanactivity4.cutdowntrees5.leadto6.feedon设法做成某事……的解决办法人类活动砍伐树木导致以……为食注:另附word文档，

点此链接Ⅰ.用适当的介词或副词填空。1.Hiscompanyisnow_________serioustrouble,butonlytwoofhisfriendsagreetogivehimahand.2.Singingcouldlead_________newwaystolearnaforeignlanguage.3.Pandas,calledChina'snationaltreasure,mainlyfeed_________bamboo.4.Peoplelivingintheforestusedtocut_________thetreesandcutthemupforfirewood,butnowtheyareforbiddentodoso.5.OurEnglishteachertoldustofind_________wherethe