高中英语 Unit4Exploring plants-Listening课件 新人教选修9.ppt

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1、Listening1.Howwouldyoudescribeeachplant?Whatdoyouthinkisunusualabouteachplant?2.Oneofthepicturesshowspitcherplantsandanothershows“livingstones”.Whichpictureshowswhichplant?ThenameoftheplantintheotherpictureisRafflesia.ListeningonP36Lookcarefullyatthephotosoftheplant

2、sandanswerthequestions.livingstoneRafflesiapitcherplantsPitcherplantNowlistentoMark,GordonandAndreatellingtheirclassabouttheseplants.Whichstudenttalksaboutwhichplant?PlantABCStudent’snameNameoftheplantMarkPitcherplantLivingstonesorLithopsGordonRafflesiaarnoldiiAndre

3、aListentotheotherstudents’reactionstoMark,GordonandAndrea’sdescriptionsoftheplants.Writedowntheexpressionstheyuse.Expressionsofwonder:That’samazing!Whatfantasticplants!Wow!Howinteresting!Ithinkit’sfantastic!Expressionsofdisgust:Oh,yuck!That’sdisgusting!UNUSUALPLANTT

4、H:TodayMark,GordonandAndreaaregoingtotellusaboutsomeunusualplants.Mark,doyouwanttogofirst?M:Sure.Today,Iwanttotalkaboutaninsect-eatingplantcalledapitcherplant.ListeningtextHere’saphotoofit.Lookatthisparthere.It’sshapedlikeapitcher.It’sactuallyaleafeventhoughitlooksl

5、ikeaflower.It’sreallyclever---theinsectsareattractedbythesweetsmellcomingfromwhattheythinkisaflower.Butit’satrap.Onceaninsectgoesdownintothepitcher,itcan’tgetoutastherearesmallhardhairspointingdownwardsthatpreventitfromescaping.Intheend,theinsectfallsdownintoapoolof

6、liquidatthebottomofthepitcherandgetsdigestedbytheplant.S1:That’samazing!S2:Whatfantasticplants!TH:Gordon.G:ThesearetheplantsI’mgoingtotalkabout.They’reoftencalled“livingstones”,buteventhoughtheydolookabitlikestones,theyareinfactplants.S3:Wow!S4:Howinteresting!G:Thei

7、rscientificnameisLithopsandtheycomefromSouthAfricaandNambia.Thebodyofalithopsisactuallyapairofleavesthathavebecomeroundedlikeastone.Thisisbecausethisplantlivesinveryhotanddryplaces.Whentheleavesareshapedlikethis,notmuchwaterislostfromtheplant.Anotherinterestingthing

8、aboutthesestrangeplantsisthatthey’rethesamecolourandappearanceofthesoilandstonesaroundit.Thismakesthemlessobvioustoanimallookingforfood.TH