Unit5RevealingnatureDevelopingideas課件高中英語選擇性2

1選擇性必修一

Unit5RevealingNature

Developingideas

23Wehumanshaveevolvedfromthelowerformsoflifeandnowstandatthetopofthefoodchain.evolutionarytree4Andothercreaturesandspeciesarealsostrugglingfortheirsurvivalonthesameplanetwithus. Whilehumansandanimalscouldtalkorevencreatedifferentsoundstomakeourlifefulloffun.56Withthousandsofyears’evolution,thereareabout375,000speciesofplantsexistingonearth,withmorebeingdiscoveredeachyear. Whataboutplants?

Whatcanplantsdo?7FlytrapMimosaPea

Itcancatchinsects.

Itcanshutitsleaveswhentouched.

Itcansowitsownseeds.Plantsareactiveinnature.8Butmostofthemjuststayinoneplaceforalifetime,withoutmovingaround.raincolddroughtdisease9

Wouldplantscommunicatewitheachother?Whatifplantscanspeak?TheSecretLanguage

ofPlants選擇性必修一

Unit5RevealingNature

DevelopingideasNowreadthetextandtrytofigureoutthegenreofthetextandthestructureofthewholepassage.Fast-readingStructureandgenre12Para.4Para.2Para.5Para.6Para.3ExpositionTogiveinformationortoexplainsomething.13Detail-reading14AlexandertheGreat(356-323BC)wasaMacedonianrulerandoneofhistory’sgreatestmilitaryleader.AskingofMacedonia,heestablishedthelargestempiretheancienthadeverseen.MarcoPolo(1254-1324)wasaVenetianmerchantandexplorebelievedtohavejourneyedfromEuropetoAsiafrom1271to1295andhaveremainedinChinafor17ofthoseyears.HewasknownforhisbookTheTravelsofMarcoPolo,whichdescribeshisvoyageandexperiencesinAsia.ascience-fictionmovie15ExamplesoftalkingtreesDetail-reading16ExamplesoftalkingtreesToarouseourinterestandintroducethetopic.Detail-readingTopicsentenceStructureandgenrePara.4Para.2Para.5Para.6Para.3IntroducetheideaoftalkingplantsPlantscancommunicatePlantsmaycommunicatewitheachotherbyusingchemicals,soundsand“woodwideweb”.Whatisthemainideaofthispart?Fromthefirstoneortwosentencesofeachparagraph.1819chemicalsdifferentchemicalspersonificationWhatinspirationdoscientistgetfromthebehavioroftheseplants?20makenoiseslistentonoiseshelpful?unfriendly?Droughtisarriving.Anotherinspirationforus21woodwidewebWhatareitsfunctions?worldwideweb②①③AthirdinspirationforusStructureandgenrePara.4Para.2Para.5Para.6Para.3IntroducetheideaoftalkingplantsPlantscancommunicateConclusionListingthreedifferentwaysinwhichplantscommunicateusingchemicalsusingsoundsusing“woodwideweb”Differentinspirations:togrowcropswithoutpesticides;toindicatedrought;topreventattackswithinplants.23Further-thinkingHowcanwe“talk”withplants?Maybewecancreateawavelengthwhichisconsistentwiththenoisesmadebyplants,attachsensorstotheleavesthatcouldsendusimmediateinformationtous,orinventasystemthatcouldtranslatethe“words”ofplants.24Wehavebeenmakingeffortsintalkingwithplantsbycombiningnaturallanguageresearch,biology,design,andengineering.Keeprevealingnature!25Whatdoyouthinkarethebenefitsofstudyingplantscommunicationandwhydowetrytorevealnature?2627 It

will

help

us

know

more

about

the

world

of

plants

andthen

get

a

better

understandingof

the

secret

of

nature

and

encourage

us

to

explore

more

about

the

mysterious

nature.

What’smore,

it

will

teach

us

an

important

lesson,

that

is,wecan’tjusttakefulladvantageofresourcesnaturegivesus.Infact,

human

should

live

in

harmony

with

mothernature.

And

it

is

our

responsibility

to

fulfill

the

mission.Natureiskindofalovingmother,butalsoabutcherincoldblood.-VictorHugo

Onlytoobeynatureinordertoovercomenature.

-DarwinHomework

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