Unit+5+Revealing+nature+Developing+ideas高中英语外研版（2019）选择性必修第一册

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