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Unit5RevealingnatureDevelopingideas——readingacquiresomeinformationaboutplantscommunicatingbyviewingandreading;concludethebenefitsofstudyingplantscommunicationbyanalyzinganddiscussing;talkabout
oneoftheplants’/animals’communication.Bytheendofthislesson,wewillbeabletoLearningobjectivesActivity1ReviseandtalkLookatthepicturesandtickwhatplantscando.What’sthevideoinStarting
out
part
mainly
about?Whatelsecanplantsdo?attack
breathespeak
eatstealsleepthinktalk?Activity1ReviseandtalkLookatthepicturesandtickwhatplantscando.Activity2ViewandpredictWhatmaybetalkedaboutinthispassage?Activity3Read,predictandcheckWhatismainlytalkedaboutinthispassage?Whatisthegenreofthispassage?3.Howisthepassagedeveloped?Readthepassageanddrawamind-mapaccordingtothefollowingquestions.2.Whatisthegenre(体裁)?A.Narrativeessay(记叙文)B.Expositoryessay(说明文)C.Argumentativeessay(议论文)Activity3Readandcheck3.Howisthispassagedeveloped?Readthepassageandfindouttheanswerstothefollowingquestions.Activity4ReadandcompleteReadthepassagecarefullyandcompletethediagram.communicatewitheachother1.Whatmythsandlegendsareconnected
withtalkingplants?2.Whoweresaidtohave
visitedtalkingtrees?ReadParagraph1-2carefullyandanswerthefollowingquestions.Activity5Readandanalyzewho?How?InthebookShahnameh(BookofKings)byFirdawsi(d.1020),AlexandertheGreat
visitedatalkingtree.TheIndianTreeoftheSun
andtheMoontoldthefuture
Twopartsofthetreetrunk
spokedependingonthetimeof
day;inthedaytimethetree
spokeasamaleandatnightit
spokeasafemale.MarcoPolo
issaidtohavevisitedthistree.InthefilmAvatar,treescan
communictatewithanimals
andpeople.1.Whatmythsandlegendsareconnected
withtalkingplants?2.Whoweresaidtohave
visitedtalkingtrees?3.Whathasthenewresearchrevealed?ReadParagraph1-2carefullyandcompletethediagram.Activity5Readandanalyzefromtheleavesreleaseitsown,differentchemicalscommunicatewitheachotherReadParagraph3carefullyandanswerthefollowingquestions.Usingchemicals:1.Howmanyplantsandchemicalsarementioned?2.Circletheverbs&Drawaflowchart3.Whatisthescientists’hope?Activity4ReadandanalyzeActivity5Readandanalyze1.Whatfigureofspeechisbeing
usedwhentheplantsare
describedascallingforhelp?2.Whatisitsfunction?acallingforhelpActivity5ReadandanalyzesmartstronghelpfulfriendlycooperatingReadthepassagecarefullyandcompletethediagram.fromtheleavesreleaseitsown,differentchemicalswiththeirrootstellifaneighbouringplantishelpful,orunfriendly5.clickingnoiseswhenthereisnotenoughwater,indicatingdroughtisarriving.communicatewitheachotherActivity5Readandanalyze1.
Howcanplantsuse
soundtocommunicate?2.
Whatcanwelearn
fromits“sound"?Readthepassagecarefullyandcompletethediagram.fromtheleavesreleaseitsown,differentchemicalswiththeirrootstellifaneighbouringplantishelpful,orunfriendly5.clickingnoiseswhenthereisnotenoughwater,indicatingdroughtisarriving.therootsofdifferentplantstoeachothershareinformationandevenfoodstealfoodfromeachother,orspreadpoisonscommunicatewitheachother5Mostsurprisinglyofall,plantshaveanamazingsystemofcommunicationthatcanlinknearlyeveryplantinaforest.Scientistscallthissystem“the
woodwideweb”.ItisinsomewayssimilartotheInternetweuse.WhiletheInternetisaworldwidenetworkofcomputerslinkedbycablesand
satellites,thewoodwidewebislinkedundergroundbyfungi.Thisfungnalnetworklinkstherootsofdifferentplantstoeachother.Usingthewoodwideweb,plantscanshareinformationandevenfoodwitheachother.Forexample,somepinetreescansendfoodtosmallerpinetreestohelpthemgrow.ButjustlikeourownInternetthewoodwidewebhasits
ownversionof“cybercrime”.Plantscanstealfoodfromeachother,orspreadpoisonstoattackotherplants.Perhapsonedayscientists
willlearnhowtocreatea“firewall”tohelppreventtheseattackwithinthewoodwideweb.Usingthe“woodwideweb”.
1.Whatdoes"woodwideweb"
mean?2.Whatcanplantsdobyusingthe
woodwideweb?3.Whatmightscientistsdo?Activity5Thinkandshare1.
Whatdoyouthinkarethebenefitsofstudyingplantcommunication?predictforcastgrowcropswithoutpesticidescreate“firewalls”topreventattacksWhatotherbenefitsofstudyingplantcommunication?Activity5Thinkandshare2.
Whatdiscoveriesaredescribedin
thetworeadingpassagesinthisunit
andwhatdotheirmeaningshaveincommon?3.Howdoyouunderstandthetitle“Revealnature”?predictforcastTheyallreflectthattherearenumeroussecretsinnaturethatremaintobeexplored.revealsthediscovery
ofevolutionrevealsthediscoveryof
communicationbetweenplants(1)Doeshe/sheusethewordsandexpressions
we’veconcluded?(2)Doesorganizethepassageinthewaywe’veconcluded?(3)Doeshis/herusetens
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