Unit 5 Revealing nature Developing ideas (The secret language of plants)导学案-2022-2023学年高中英语外研版2019选择性必修第一册

Unit5课题Unit5TheSecretLanguageofPlants课型Reading课时1LearningaimsAfterthisclass,Ican1.Grasptheimportantwordsandphrasessuchaslink,detect,fungus,fungal,cybercrime,woodwideweb,getattackedby......2.Getfamiliarwiththevariouswaystocommunicateandretellhowthechemicalworks;3.Learntobuildupanicerelationshipwithplantsandliveinharmonywiththeplants;4.Beeagertoexploremoresecretsaboutthenature.ImportantanddifficultpointsTomakethestudentsknowtheplantscommunicationwaysToexpresstheirownideasaboutdifferentanimalscommunication.Toappreciatethesentenceswithpersonification.合作探究课堂设计学生随堂手记【Beforeclass】Ⅰ.单词荟萃发现，察觉v.____________侦探n.___________真菌n._____________真菌的adj.____________根n._____________把......联系起来；连接v.__________=5\*Arabic5.黄蜂n.____________6.辣椒n.___________Ⅱ.短语荟萃_____________________神话传说中的一大元素___________________与......交流_____________________据说某人做了某事_____________________ 求救______________________给予人们忠告和警示____________________被......袭击_______________________ 终究，毕竟____________________赶跑9_______________________释放微量的化学物质____________________植物万维网_______________________也会发生网络犯罪___________________从......偷某物【Duringclass】Ⅰ:BeforereadingActivity1:Watchavideoaboutonebehaviorofplants.Ⅱ.WhilereadingActivity1:SkimthepassageandanswerthequestionsFindoutthe3waysinwhichplantscommunicate._________________________________Activity2:Getthedetailedinformationofpara3-para5=1\*alphabetica.Lookatthetwopicturesandobservewhathappened.(para3)Whatdothechemicalsworkandwhat’stheplants’reaction.b.Listentotheplant’ssoundandwhichpartofplantcanmakethenoise.c.Fillintheblanks.Activity2:understandstagesofexplorationtoplants.PlantscantalkPlantscantalkThink:Whydowehavesomanylegendsandstoriesabouttalkingtrees?(para1)________________________________________________________________________________________________________________________________________Canyoupredictwhatarewaysofcommunicationbetweenpeopleandplants.(para6)________________________________________________________________________________________________________________________________________Activity3:Sharewhatyou’velearned.IntroductionMainbody(Firstofall,Meanwhile/What’smore/Atlast)conclusionⅢ:AfterreadingActivity1:Discusstheanimals’communicationwaysandpresenttheirideasbyusingusefulexpressions.(groupactivity)Activity2:SummaryOurworldisfar__________________thantheworldwecanseeandhear.Oursensesareweak.Soweshould_________________________________________________________________.V:Homework=1\*alphabetica.Writeasummaryaboutthepassageofthesecretlanguageofplants(within60words).=2\*alphabeticb.Writeastoryaboutyouandplantsoranimals.【Afterclass】Whenaleafyplantisunderattack,itdoesn’tsitquietly.Backin1983,twoscientists,JackSchultzandIanBaldwin,reportedthatyoungmapletreesgettingbittenbyinsectssendoutaparticularsmellthatneighboringplantscanget.Thesechemicalscomefromtheinjuredpartsoftheplantandseemtobeanalarm.Whattheplantspumpthroughtheairisamixtureofchemicalsknownasvolatileorganiccompounds,VOCsforshort.ScientistshavefoundthatallkindsofplantsgiveoutVOCswhenbeingattacked.It’saplant’swayofcryingout.Butisanyonelistening?Apparently.Becausewecanwatchtheneighborsreact.Someplantspumpoutsmellychemicalstokeepinsectsaway.Butothersdodoubleduty.Theypumpoutperfumesdesignedtoattractdifferentinsectswhoarenaturalenemiestotheattackers.Oncetheyarrive,thetablesareturned.Theattackerwhowaslunchingnowbecomeslunch.Instudyafterstudy,itappearsthatthesechemicalconversationshelptheneighbors.Thedamageisusuallymoreseriousonthefirstplant,buttheneighbors,relativelyspeaking,staysaferbecausetheyheardthealarmandknewwhattodo.Doesthismeanthatplantstalktoeachother?Scientistsdon’tknow.Maybethefirstplantjustmadeacryofpainorwassendingamessagetoitsownbranches,andso,ineffect,wastalkingtoitself.Perhapstheneighborsjusthappenedto“overhear”thecry.Soinformationwasexchanged,butitwasn’tatrue,intentionalbackandforth.CharlesDarwin,over150yearsago,imaginedaworldfarbusier,noisierandmoreintimate(亲密的)thantheworldwecanseeandhear.Oursensesareweak.There’sawholelotgoingon.32.Whatdoesaplantdowhenitisunderattack?A.Itmakesnoises.B.Itgetshelpfromotherplants.C.Itstandsquietly.D.Itsendsoutcertainchemicals.33.Whatdoestheauthormeanby“thetablesareturned”inparagraph3?A.Theattackersgetattacked.B.Theinsectsgatherunderthetable.C.Theplantsgetreadytofightb