典范英语1B-Lesson18.ppt

1bLesson18TheCaterpillar,Whatisthis?,Doyoulikeit?,Itisacaterpillar.,Yes/No.,Whatarethese?,Theyarebutterflies.,Letslistentothestory.,Whatdidyouhear?Iheard,Howdidthecaterpillarturnintoabutterfly?,Itturnedintoachrysalis,andthenthebutterfly.,Letslistenandread.,Kipperhadacaterpillar.,Kipperputthecaterpillarinabox.,Heputleavesinthebox.,Thenitwasnotacaterpillar.,Itwasachrysalis.,Butitwasnotachrysalis.,Itwasabutterfly.,acaterpillar,achrysalis,abutterfly,Listenandnumber.,ReadingDramatically,Letsretell.,Kipperhada_.Kipperputthe_inthe_.Heput_inthe_.Thenitwasnota_.Itwasa_.“Canweseethe_?”Butitwasnota_.Itwasa_.,caterpillar,caterpillar,box,leaves,box,caterpillar,chrysalis,chrysalis,chrysalis,butterfly,butterflylifecycle,egg(s),caterpillar,chrysalis,butterfly,Drawpicturesandtellastory.,Homework,Howdoesacaterpillarbecomeabutterfly?Drawpicturesandtellastory.,Listentothestoryandreaditskillfullyanddramatically.,Itisacocoon.,Itisachrysalis.,silkworm,cocoonapupacoveredwithsilkorsilkyenvelopchrysalisapupacoveredwithahard,chitnousshell,Thatsagoodquestion.Heresthescientificexplanation:Inmostcasesabutterflydoescomefromachrysalis,butnotall.TheresararegenuscalledParnassian,thatpupatesinacocoon.ThesebutterfliesliveinthePacificNorthwest,inSiberia,andasfarawayasNorthKoreaandthenorthernislandsofJapan.Andheresmyunscientificexplanation:Mycaterpillarisveryunusual.Asyouknowcaterpillarsdonteatlollipopsandicecream,soyouwontfindmycaterpillarinanyfieldguides.Butalso,whenIwasasmallboy,myfatherwouldsay,“Eric,comeoutofyourcocoon.”HemeantIshouldopenupandbereceptivetotheworldaroundme.For