Unit5IntotheWildUnderstandingideasReading课件高中英语

1Unit5

Intothewild

UnderstandingideasWarming-upWhatarethey?Whataretheydoing？Warming-upWhatarethey?Theyaremonarchbutterflies.Warming-upWhataretheydoing?Theyaremigrating.TheMonarch’sJourney

Themonarchbutterflies’migration.Whatdoesthispassagetalkabout?Pre-readingPredictionWhereareyoumostlikelytofindthepassage?A.Inascientificresearchpaperaboutthemonarchbutterfly’smigration.B.Inapopularnaturemagazineintroducingthemonarchbutterfly.C.InatravelleafletencouragingpeopletovisitNorthAmerica.✔While-readingSkimmingstrictrequirementinformat,contentespeciallyvocabularyterms(术语)Whatisthemigration?

Whoisoneofthemostwonderfulexamplesaboutmigration?Whydotheymigrate?

While-readingPara.1Manyanimalsmovefromoneplacetoanotheratcertaintimesoftheyears.Thisannualmovementiscalledmigration.Forfood,seekapartner,orinsearchofwarmerweather.TheNorthAmericanmonarchbutterflyScanningappearancemigration

direction：destination(目的地)：distance：MonarchButterflybeautifulinsectswithfineblackandorangewingsaround

4000kilometresfromnorthtosouthCaliforniaorMexicoWhile-readingPara.2ScanningCaliforniaMexicoSmallwings,bigpower.

da.Themonarchbutterflyisabletotell___________________.b.Usingthesetwopiecesofinformation,themonarchbutterflydetermines________________.c.Themonarchbutterflymeasures

____________________________withitseyes.d.Themonarchbutterflyreaches_____________________________________________.thetimeofdaythewaytogothepositionofthesuntheplaceswhereitwillspendthewinteracbWhile-readingPara.3Thesolutiontothemysteryofthemonarch’samazingabilitycomesatatimewhenitisinserioustrouble.?While-readingPara.4

he.

Humans

_________________trees.f.

The_________________________________________wheremonarchscanbefoundisdestroyed.g.

Humansusechemicalsthat___________________thatmonarchcaterpillarseat.h.Themonarchbutterfly’s

population

______________________________________________inthelastfewyears.cutdownnaturalenvironmentofmanyplaceskilltheplantshascrashed(byasmuchas90peregfWhile-readingPara.4cent)While-readingPara.5Whatdopeopledotohelpthemonarchbutterflies?worktogethertorecorditsmigrationmakesurethatthereareenoughplantsforittofeedon.Thenumberwillincreaseonceagain.Themore

weknowaboutthislovelycreature,thegreater

thechanceitwillsurviveandkeepitsplaceinthenaturalworldforalongtimetocome.While-readingPara.5The+比较级……,the+比较级……越……越……Whatcanwedotohelpprotectthemonarchbutterflies?Post-readingDiscussingFirst,______.Ifwe...,...will...Then,_______.Itis...for...todo...Finally,______.The比较级...,the比较级...First,plantmoretrees.Ifweplantmoretrees,theenvironmentwillbecomebetterandbetter.advicereasonsHomeworkWriteashortarticleabout80wordsaccordingtothediscussionpart.Whatneedwedotohelpprotectendangeredanimals?P101