Unit5RevealingnatureDevelopingideas课件高中英语选择性

SB1U5RevealingNatureDevelopingideasReading:TheSecretLanguageofPlantsLearningobjectivesTomasterthemainideaofthetextandclearlydescribethewaysinwhichplantscommunicate.2.Tounderstandthetexttype（体裁）,masterthetextstructureandthefigureofspeech(修辞).3.Tofurtherunderstandnature,andestablishapositivelifeattitudeofprotectingnature.1.Whatisthetelegraphplant(跳舞草)doing?Lead-inflytrap捕蝇草Thecan_______insects.Itsleavescan_______whentouched.mimosa含羞草foldupcatchpea豌豆、豆角Thecansow(播种)itsown________.seedsattackbreatheeatsleepmovespeakstealthink2.Whatelsecanplantsdo?Wouldplantscommunicatewitheachother?Whatifplantscanspeak?Pre-readingWherecanwefindthispassage?A.InaneconomicbookB.InahistorybookC.OnascientificmagazineD.InanovelWhile-readingFastreadingActivity1.Readforstructureandgenre.Whatisthestructureofthepassage?A． B．C． D．PartⅠPara_____PartⅡPara_____PartⅢPara_____IntroductiontothetopicPlantshavevariouswaystocommunicateScientistsarelearningmoreaboutthelanguageofplants.ExpositionPart1Carefulreading1.Whatdopeoplethinkoftalkingplants?2.Whatdoesthenewresearchhavefound?TopicsentenceActivity2.Readfordetails.Part21.Readandfindoutthewaysinwhichplantscommunicate.Plantscanuse___________,____________,________________________tocommunicate.chemicalssound"Woodwideweb"2.ReadPara.3andfindouthowtheplantsusechemicalstocommunicatewitheachother.chemicalschemicalschemicalsdetectchemicalschemicalsdetectGrowcropswithoutpesticides."I'mbeingattacked!"3.Whatfigureofspeech(修辞手法)isusedhere?personification(拟人手法)Itcanmakethedescriptionmorevivid.Pleasefindoutthesentenceswithpersonificationinthepassage.3.Theyalso“listen”tothenoisesfromotherplants.4.Achilliplantcantellifaneighbouringplantishelpful,orunfriendly.2.Someofthesechemicalsdriveinsectsaway.1.Whenanotherbeanplantdetectsthechemicalsfromitsinjuredneighbour,itstartstoreleaseitsown,differentchemicals.5.Usingthewoodwideweb,plantscanshareinformationandevenfoodwitheachother.6.Plantscanstealfoodfromeachother,orspreadpoisonstoattackotherplants.makenoiseslistentonoiseshelpful?unfriendly?Droughtisarriving.Indicatedrought.TypeLinkeverypersononearthevery_____________intheforestLinkedby_____________and_________________underground___________whichlinksthe___________ofdifferentplantstoeachotherUseittoshare_____________________and___________witheachotherCybercrimespreadcomputervirustoattackothers'___________steal______________fromeachotherandspread_____________to_____________otherplants4.Readpara.5carefullyandfindthedifferencesbetween"WorldWideWeb"and"WoodWideWeb".WorldWideWebWoodWideWebplantcablessatellitesfungirootscommunicate,entertain,shopandstudyinformationfoodcomputersfoodpoisonsattackHelptopreventattacks.Whatisthewriter’sattitudetowardsthescientificresearchonthesecretlanguageofplants?A.PositiveB.NegativeC.Neutral(中立的)D.Indifferent(漠不关心的)Part3Post-readingImpossiblePossiblePara.1Talkingplantshavelongbeenathingofmythsandlegends.Para.6Maybeonedaywewillknowenoughaboutplantcommunicationtobeableto“talk”withthemourselves.Whatcanyoulearnfromthebeginningandending?Thespiritofexploration组长（groupleader）记录员（recorder）时间管理员（Timekeeper）发言人（spokesperson）信息提供者（InformationProvider）(1-2)Isitbeneficial(有益处的)toexplorenature?Why?（Giveatalk）Think&ShareAsfarasI'mconcerned,exploringnatureisbeneficial.Firstofall,itcanhelpuslivebetterlivesandmakeourworldmoreamazingwhenwelearnhownatureworks.Inaddition,ithelpsuswithenvironmentalmanagement.Bylearningthesecretsofnature,wecanmanageourplanetandensureahealthyenvironmentforthefuture.Lastbutnotleast,wecanimprovepublichealthbyunderstandingnature.Allinall,exploringthesecretsofnatureisnotjustaboutsatisfyingourcuriosity;itisaboutimprovingourlives.Icanunderstandthemainideaofthepassagecorrectly.4321Icandividethepassagecorrectly.4321Icanretellthewaysofplants’communicationwell.4321Icancollectallthesentencesofpersonificationwell.4321Icangraspthehumanity(人文）meaningthetextconveys.4321Self-evaluation1.Finishthemind-mapofthepassage.Assignment:2.Fillingintheblankswithcorrectformsofthegivenwords.直击高考

Scientistsarelearningthesecretwaysinwhichplants“talk”toeachother.Ithasbeenknownforsometimethatplantsusechemicals1______________(communicate)witheachother.When2________(attack)byinsects,theplantreleaseschemicalsfromtheleavesthat3______________(eat).Thisislike4___warning.Whenanotherplantdetectsthechemicals,itstartstorelease5___(it)own,differentchemicals.Somechemicalsdriveinsectsaway.

6____________(surprising),plantsalsousesoundtocommunicate.Someplantsmakenoiseswiththeirroots.Sometreesmakeclickingnoiseswhenthereisnotenoughwater,7__________(indicate)droughtisarriving.Mostsurprisinglyofall,plantshavean8________(amaze)systemofcommunicationthatcanlinknearlyev