Unit5RevealingNatureDevelopingideas课件高中英语选择性

新标准《英语》高中二年级选择性必修第一册

Unit5

Revealingnature

TheSecretLanguageofPlantsPre-readingWhatcanwehumando?Forexample,wecanwalk.…Canplantsdothese?()attack()move()breathe()speak()eat()steal()sleep()think

Lookatthepicturesandtalkaboutwhatplantscando.Activity1Plantsdobehave.Canplantstalktoeachother?Newresearch:TheSecretLanguageofPlantsWhile-readingActivity2Readforinformation(I)Modernresearchisshowingthatplantscan___________________________.Usingchemicals*

Theplantreleaseschemicals___________________thatarebeingeaten.*Whenanotherplantsdetectsthechemicals,itstartsto___________________*Someofthesechemicals_________________.Others______________________________________.

Maybeonedaywewillbeableto“talk”withplants.fromtheleavesreleaseitsown,differentchemicalsUsingsound*

Someplantsmakenoises_____________________.*Achilliplantcan______________________.*Sometreesmake___________________.withtheirrootstellifaneighbouringplantishelpful,orunfriendlyUsingthe“woodwideweb”*

Thisfungalnetworklinks_________________________.*Plantscan______________________________________witheachother.*Plantscan________________________________________toattackotherplants.therootsofdifferentplantsshareinformationandevenfoodstealfoodfromeachotherorspreadpoisonsReadingmicro-skill:Beforereading,youcanlookthroughthewholediagramandidentifythekeyinformationthatyouneedtofocuson.Activity3Readforinformation(II)driveinsectsawayattractwaspsthatkilltheinsects.Whatdoes“woodwideweb”mean?Modernresearchisshowingthatplantscan_______________Usingchemicals*

Theplantreleaseschemicals___________________thatarebeingeaten.*Whenanotherplantsdetectsthechemicals,itstartsto_________________________________.*Someofthesechemicals_________________.Others______________________.

Maybeonedaywewillbeableto“talk”withplants.fromtheleavesreleaseitsown,differentchemicalsUsingsound*

Someplantsmakenoises_____________________.*Achilliplantcan______________________.*Sometreesmake___________________.withtheirrootstellifaneighbouringplantishelpful,orunfriendlyUsingthewoodwideweb*

Thisfungalnetworklinks_________________________.*Plantscan______________________________________witheachother.*Plantscan__________________________________________toattackotherplants.therootsofdifferentplantsshareinformationandevenfoodstealfoodfromeachotherorspreadpoisonsActivity4ReadforstructureIntroductionExplanation1Explanation2Explanation3Ending/Conclusiondriveinsectsawayattractwaspsthatkilltheinsects.A.Narrative(记叙文)

B.Exposition(说明文)C.Argumentation(议论文)D.Prose(散文)Whatisthetexttypeofthispassage?Expositionintendstomakepeopleunderstandsomethingandthelanguageofexpositorytextisusuallyconcise（简洁的）

andplain（平实的）butsometimescanbeboring.1.Whatfigureofspeech(修辞)

isbeingusedhere?2.Whatdoespersonificationmean?3.Whatisitsfunction?1.Theyalso“listen”tothenoisesfromotherplants.2.Thisislikeawarning,oracallforhelp:“I’mbeingattacked.”3.Plantscanstealfoodfromeachother,orspreadpoisonstoattackotherplants.LearningtolearnPersonificationmeansgivinghumancharacteristicstosomethingthatisnothuman.Byusinghumancharacteristicstodescribeanobject,animalorevenaplace,personificationcanmakedescriptionsmorevivid.behaviorsorfeelingsofhumansActivity5ReadforlanguageappreciationPersonification(拟人)Usepersonificationtorewritethesentences.1.

Whentheplantisattackedbyinsects,itwillquicklyconvey

themessagetohisneighbors.2.

Whenthetreelackswaterinside,itwillmakeanoisetoattractattention.“Feeling”thepaincausedbyinsects,theplant“tells”thismessagetoitsneighbors.Whenthe

tree

isthirsty,itwill“shout”

togetnoticed.“Feeling”thepaincausedbyinsects,theplantshouts“Iambeingattacked”toletitsneighborsknow.

Expositionisnotalwaysboringanddifficulttounderstand.Itcanbefunnyandinterestingwiththeuseofsomefiguresofspeech,suchaspersonification.Post-readingActivity6ThinkandShareGroupdiscussionPeoplecanhaveabetter

understandingofplantsandexploremoreaboutthemysteriousplants.Peoplecanmakebetteruseofplantsforthebenefitofmankind.Peoplecanbetterprotectnatureandliveinharmonywithnature.

ThesecretsofanimalsGroupdiscussionPeoplecanlearnfrommybehavior

that…ConclusionIcancommunicatewitheachotherby…Forexample,…Explanation&examplesIam…IntroductionActivity7Talking

Whathaveyoulearned?Activity8Summarytexttype,textstructure,keyinformation,figureofspeech...SecretsRevealnature

Areyoureadytorevealnature?Getreadytoexplorenatureandrevealmoresecrets!Yo