典范英语1B-Lesson18

1bLesson18TheCaterpillarWhatisthis?Doyoulikeit?Itisacaterpillar.Yes/No...Whatarethese?Theyarebutterflies.Let'slistentothestory.Whatdidyouhear?Iheard…Howdidthecaterpillarturnintoabutterfly?Itturnedintoachrysalis,andthenthebutterfly.Let'slistenandread.Kipperhadacaterpillar.Kipperputthecaterpillarinabox.Heputleavesinthebox.Thenitwasnotacaterpillar.Itwasachrysalis.Butitwasnotachrysalis.Itwasabutterfly.acaterpillarachrysalisabutterflyReadingDramaticallyLet'sretell.•Kipperhada___________.•Kipperputthe___________inthe________.•Heput_______inthe_____.•Thenitwasnota___________.•Itwasa___________.•“Canweseethe___________?”Butitwasnota__________.•Itwasa___________.caterpillarcaterpillarboxleavesboxcaterpillarchrysalischrysalischrysalisbutterflybutterflylifecycleegg(s)caterpillarchrysalisbutterflyDrawpicturesandtellastory.HomeworkHowdoesacaterpillarbecomeabutterfly?Drawpicturesandtellastory.Listentothestoryandreaditskillfullyanddramatically.Itisacocoon.Itisachrysalis.silkwormcocoon–apupacoveredwithsilkorsilkyenvelopchrysalis–apupacoveredwithahard,chitnousshellThat’sagoodquestion.Here’sthescientificexplanation:Inmostcasesabutterflydoescomefromachrysalis,butnotall.There’sararegenuscalledParnassian,thatpupatesinacocoon.ThesebutterfliesliveinthePacificNorthwest,inSiberia,andasfarawayasNorthKoreaandthenorthernislandsofJapan.Andhere’smyunscientificexplanation:Mycaterpillarisveryunusual.Asyouknowcaterpillarsdon’teatlollipopsandicecream,soyouwon’tfindmycaterpillarinanyfieldguides.Butalso,whenIwasasmallboy,myfatherwouldsay,“Eric,comeoutofyourcocoon.”HemeantIshouldopenupandbereceptivetotheworldaroundme.Forme,itwouldnotsoundrighttosay,.“Comeoutofyourchrysalis.”Andsopoetrywonoverscience!