Unit5IntothewildUnderstandingideas課件高中英語(yǔ)

外研必修第一冊(cè)monarchmonarchbutterflyAtlanticwhaleannualmigrationmigrateseekprofessormeasuren.君主，國(guó)王黑脈金斑蝶adj.大西洋的n.鯨adj.一年一度的，每年的n.遷徙v.移棲，遷徙v.尋找，尋求n.教授v.量，測(cè)量positiondetermineeventuallysolutionmysteryamazingcrashpercentdestroychemicaln.位置v.測(cè)定，確定adv.終于，最終n.解決，解決方法n.難以理解的事物，謎adj.驚人的，了不起的v.暴跌n.百分比v.破壞，毀掉n.化學(xué)品caterpillarcreaturesurviveeffectflowchartn.毛蟲(chóng)（蝴蝶等昆蟲(chóng)的幼蟲(chóng)）n.生物，動(dòng)物v.活下來(lái)，幸存n.影響，結(jié)果流程圖，作業(yè)圖UNIT5IntothewildP2UnderstandingideasBeforeReadingWhatphenomenonismentionedinthevideo?Animalmigration.·

Animalmigrationreferstothemovementofaspeciesfromonehabitattoanotherinresponsetoseasonalchangestotheenvironment.·Oftencoveringgreatdistancesandinvolvinghugenumbersofanimals.·Migrationhappensinallpartsoftheanimalkingdom,fromfishandinsectstobirds,reptitlesandmammals.bacdefLookatthepicturesandchoosetheanimalsthatmigrate.monarchbutterflySiberiancraneAtlanticsalmonredpandakillerwhaleAfricanlion黑脈金斑蝶西伯利亞鶴大西洋鮭魚紅熊貓虎鯨非洲獅Nowtalkaboutwhatyouknowaboutanimalmigration

basedonthesepoints.AnimalsthatmigrateTimeofanimalmigrationReasonsforanimalmigrationInfluencesofhumanactivitiesonanimalmigration…Nowlet'sreadthepassageTheMonarch'sJourneytoexploremoreaboutanimalmigration.WhileReadingReadandfinishthetasksasquicklyaspossible.Gothroughthepassagequicklyandgetitsmainidea.Task1A.Themonarch's

migration.B.Thereasonsfor

monarch's

migration.C.Mexico's

monarch.Themainideaofapassagecanbefoundfromitstitle,thetopicsentences,oreventhepictures.TitlePictureThetopicsentenceReadthepassageandfindoutwhatmysterythescientistshavesolved.Task2P50

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

3Readparagraphbyparagraphtoanswerthefollowingquestions.Task41.Whydomanyanimalsmigrate?(Para.1)2.Duringthemigration,wheredotheystartandgoto?

(Para.2)3.Howdoesthemonarchdeterminethewaytogo?(Para.3)4.Whathashappenedtothemonarchinthepastfewyearsandhowdidithappen?(Para.4)5.What'sthesignificanceoftheresearchonthemonarch?(Para.5)Checkyouranswers.1.Whydomanyanimalsmigrate?(Para.1)2.Duringthemigration,wheredotheystartandgoto?(Para.2)3.Howdoesthemonarchdeterminethewaytogo?(Para.3)4.Whathashappenedtothemonarchinthelastfewyearsandhowdidithappen?(Para.4)5.What'sthesignificanceoftheresearchonthemonarch?(Para.5)Theymigratetofindfood,seekapartner,orinsearchofwarmerweather.TheytravelfromnorthAmericatoCaliforniaorMexico.Themonarchisabletotellthetimeofthedayandthepointwherethesunisinthesky.Becauseofhumanactivities,thenumberofthemonarchhascrashedbyasmuchas90percentinthelastfewyears.Theresearchonthemonarch'sbehaviorhasledtoagreaterawarenessofitandpeoplehavebeenworkingtogethertorecorditsmigrationandmakesurethereareenoughplantsforittofeedon.Completethesentenceswithexpressionsfromthepassage.Thenusethesentencestocompletethe“cause-effect”flowchart.Task5P52

4aThemonarchbutterflyisabletotell1_____________.bUsingthesetwopiecesofinformation,themonarch

butterflydetermines2_____________.cThemonarchbutterflymeasures

3___________________withitseyes.dThemonarchbutterflyreaches

4___________________________________.dthetimeofdaythewaytogothepositionofthesuntheplaceswhereitwillspendthewintera/cc/abeHumans5_________trees.fThe6________________________________wheremonarchscanbefoundisdestroyed.gHumansusechemicalsthat7_____________thatmonarchcaterpillarseat.hThemonarchbutterfly'spopulation8____________________________________inthelastfewyears.he/gg/efcutdownnaturalenvironmentofmanyplaceskilltheplantshascrashed(byasmuchas90percent)AfterReadinganalysing,mindmap,summary,retellingLearntounderstandthepassage.Thebackgroundtothemonarch'smigrationThemysteryofthemonarch'smigrationInfluencesofhumanactivitiesItssolution1.Thesetwopiecesofinformation

-thetimeofday

andthepointwherethesunisinthesky

-allow

thebutterflytoderterminethewaytogo.插入語(yǔ)關(guān)系副詞where引導(dǎo)的定語(yǔ)從句，where用作地點(diǎn)狀語(yǔ)。Paraphrase:Thebutterflyisawareofthetimeofdayandthepositionofthesuninthesky,soitcanusethesetwopiecesofinformationtofindoutwhichwaytogo.這兩條信息——一天中的時(shí)刻和太陽(yáng)在天空中的位置——讓黑脈金斑蝶能夠判定前進(jìn)方向。Sentenceanalysingforbetterunderstanding2.Thesolutiontothemysteryofthemonarch's

amazingabilitycomesatatimewhenitis

inserioustrouble.solutiontosth.……的解決辦法(1)There'snosimplesolutiontothisproblem.(2)Shecameupwithaningenious

(巧妙的)

solutiontotheproblem.這個(gè)問(wèn)題沒(méi)有簡(jiǎn)單的解決辦法。她想出一個(gè)巧妙的辦法來(lái)解決這個(gè)問(wèn)題。關(guān)系副詞when引導(dǎo)的定語(yǔ)從句inserioustrouble

遇到大麻煩(1)Withoutyourhelp,wewouldhavebeen

inserioustrouble.(2)Heisinserioustroubleandneedsmyhelp.

沒(méi)有你的幫助，我們會(huì)遇到大麻煩。他遇到了很大的麻煩，需要我的幫助。Paraphrase:Peoplesolvedthemysteryofthemonarch'samazingabilityatthesametimethatthemonarchisfacingaseriousanddifficultsituation.黑脈金斑蝶這一驚人能力的奧秘被揭開(kāi)時(shí)，這一生物正處于水深火熱的生存狀態(tài)中。TheMonarch'sJourneyItisableto

1.____________________.

Itusesitseyesto2.___________________________.Thesetwopiecesofinformationallowthebutterflyto3.______________________.Itmanagestoreachtheplaces4._________________________.Itspopulation5.___________________________inthelastfewyears.Thenaturalenvironmentwherethebutterflycanbefound6.__________.People7._____________.People8.____________thatkilltheplantsthatmonarchcaterpillarseat.tellthetimeofthedaymeasurethepositionofthesundeterminethewaytogowhereitwillspendthewinterhascrashedbyasmuchas90%isdestroyedcutdowntreesusechemicalsCompletethegraphicorganiserandthenretellthetextaccordingtoit.TimeWhereHowTroubleEvery________.Travelaround4,000kmsouthto____________________.Use____tomeasure

the________________and________________________________.

____________________________________________________________________.

Mainreason:

_____________suchas________________and______________.Solution:Makesurethatthereare____________forittofeed

on.The

Monarch'sJourneyautumnCaliforniaorMexicoeyesthetimeofthedaythepointwherethesunisintheskyItspopulationhascrashedbyasmuchas90percent.humanactivitycuttingdowntreesusingchemicalsenoughplantsCompletethegraphicorganiserandthenretellthetextaccordingtoit.

Atcertaintimesoftheyear,manyanimalsmovefromoneplacetoanother.Thisannualmovementiscalled_________.Theymigrateto_________,seekapartnerorsearchforwarmerweather.OneofthemostwonderfulmigrationsinnatureisthatoftheNorthAmerican________________.

Everyautumn,millionsofmonarchbutterfliestravelaround4,000kilometresto__________orMexico.However,untilrecently,nooneknewhowtheydidthis. AteamofscientistsledbyProfessorEliShlizermanhasfoundoutthatthemonarchisableto____________________.Itusesitseyestomeasurethepositionofthesun.Completethesummaryusingt