Unit5RevealingnatureDevelopingideas课件-高二英语外研版选择性

Unit5RevealingnatureDevelopingideasLeadinWhatcanwehumando?Forexample,wecanwalk,wecantalk,wecanbreathe…

Canplantsdothese?()attack()move()breathe()speak()eat()steal()sleep()thinkLookatthepicturesandtalkaboutwhatplantscando.Plantsdobehave.Canplantstalktoeachother?Newresearch:Itappearsthatplantscancommunicateafterall.Readthepassageandfindoutthewaysinwhichplantscommunicate.TheSecretLanguageofPlantsPre-readingA.NarrativeB.ExpositionC.ArgumentationWhatisthegenreofthispassage?Whatisthepassagemostlikelytobetakenfrom?AscientificmagazineAguidebookAfictionstoryWhatisthewriter’spurposeinwritingthepassage?Tointroducethewaysplantscommunicatewitheachother.Tocomparethedifferencesbetweenplantsandhumans.Topredictwheretechnologywilltakeplants.While-reading：ReadforstructurePart1IntroductionPart2BodyPart3ConclusionPara.1Plantscancommunicate.(Thethesisstatemnet)Plantshavevariouswaystocommunicate.(chemicals,sound,www)Para.2Para.3Para.4Para.5Para.6Scientistsarelearningmoreaboutplants’language.(restatethethesisstatement)While-reading：ReadfordetailsPara.1-2:IntroductionPara.1Talkingplantshavelongbeenathingofmythsandlegends.Talkingtreesgive__________________topeople.eg,AlexandertheGreatandMarcoPoloweresaidtohavevisitedsuchatreeinIndia.Evidencefromstoriesofmanycultures.Evidencefromsomemodernstories.TreesinthefilmAvatarcancommunicatewith__________________.adviceandwarningsanimalsandpeopleAvatarAlexandertheGreatMarcoPoloWhichofthefollowingisthefunctionofparagraph2?A.Tointroducethefollowingcontext.B.Todescribeanexperiment.C.Totelltheimportanceofplants.D.Togiveapieceofevidence.Para2.isusedtoclearlyillustratethethesisstatement.It’salsoatransitionalparagraph.Para.3:UsingchemicalschemicalsabeanplantattackinsectsanotherbeanplantreleasereleasedetectdifferentchemicalsattractwaspkillkilldriveawayWhydoscientistsdoresearchonthisplantwarningsystem?ToexplorethewondersofnatureToapplyitintoagricultureToprotectplantsTopredictthefutureofplantsEnjoythesentenceThisislikeawarning,oracallforhelp:“I’mbeingattacked！”Whichfigureofspeechisbeingused?

Personificationmeansgivinghumancharacteristicstosomethingthatisnothuman.Byusinghumancharacteristicstodescribeanobject,animalorevenaplace,personificationcanmakedescriptionsmorevivid.Usepersonificationtorewritethesentences.1.

Whentheplantisattackedbyinsects,itwillquicklyconvey

themessagetohisneighbors.2.

Whenthetreelackswaterinside,itwillmakeanoisetoattractattention.“Feeling”thepaincausedbyinsects,theplant“tells”thismessagetoitsneighbors.Whenthe

tree

isthirsty,itwill“shout”

togetnoticed.“Feeling”thepaincausedbyinsects,theplantshouts“Iambeingattacked”toletitsneighborsknow.Para.4:UsingsoundSomeplantsmakenoises____________________________.Achillplantcan_______________________________________.Sometreesmake_____________________________________________________________________________________________.withtheirrootstellifaneighboringplantishelpful,orunfriendlyclickingnoiseswhenthereisnotenoughwater,indicatingdroughtisarrivingPara.5:Usingthe“WoodWideWeb”“WoodWideWeb”referstoanamazingsystemofcommunicationthatcanlinknearlyeveryplantinaforest.Whatdoes“WoodWideWeb”mean?

WorldWideWeb

WoodWideWebsystemforcommunicationamong________onearth.communicationamong________intheforest.howisitlinkedaworldwidenetworkofcomputerslinkedby____________________.thewoodwidewebislinkedundergroundby______,whichlinkstherootsof__________________toeachother.enabletodocommunicate,entertainandshopbynetwork.share________________________witheachother.cybercrime1.cheatsomeoneoutofhismoneyorinformation.2.spreadcomputervirustoattackothers’computer.1.steal_______fromeachother2.spread_________toattack___________.humansplantscablesandsatellitesfungidifferentplantsinformationandevenfoodfoodpoisonotherplantsThedifferencesbetween“WorldWideWeb”and“WoodWideWeb”Para.5:ConclusionAccordingtoPara.6,whatisthewriter’sattitudetowardsthescientificresearchonthesecretlanguageofplants?A.PositiveB.NegativeC.NeutralD.IndifferentWhatisthefunctionofPara.6?

Itisaconclusionandarestatementofthethesisstatement.Italsoraisesanexpectationaboutfutureresearchofplantcommunication.Organiseinformationfromthepassageandcompletethediagram.communicatewitheachotherfromtheleavesreleaseitsown,differentchemicalswiththeirrootstellifaneighbouringplantishelpful,orunfriendlyclickingnoisestoindicatedrought'scomingtherootsofdifferentplantsshareinformationandevenfoodstealfoodfromeachotherorspreadpoisonsIntroductionExplanation1Explanation2Explanation3ConclusionPost-readingWhatarethebenefitsofstudyingplantcommunication？Whatdiscoveriesaredescribedinthetworeadingpassagesinthisunitandwhatdotheirmeaningshaveincommon?Peoplecanhaveabetter

understandingofplantsandexploremoreaboutthemysteriousplants.Peoplecanmakebetteruseofplantsforthebenefitofmankind.Peoplecanbetterprotectnatureandliveinharmonywithnature.Whatarethebenefitsofstudyingplantcommunication？Whatdiscoveriesaredescribedinthetworeadingpassagesinthisunit?Whatdotheirmeaningshaveincommon?

Passage1revealsthesecretofevolution.Passage2reveals

thesecretofcommunicationbetweenplants.Theyallreflectthattherearenumeroussecretsinnaturethatarewaitingtobeexplored.WorkingroupsGiveatalkaboutcommunicationbetweenlivingthings.1Readthepassageagainandtalkabouthowplantscommunicate.2Thinkaboutanddiscussthefollowingwaysofcommunicationintheanimalworld.Bees“dance”tosignalto

otherbeesthattheyhavefoundfood.Antscommunicatewitheachotherthroughtouch,chemicalsignals,movingtheirbodiesandevenusingtheirlegstomakesounds.Whatotherwayscanyouthinkof?WorkingroupsGiveatalkaboutcommunicationbetweenlivingthings.3Organiseyourideasfollowingthestepsbelow.Beginwithwhatlivingthingsyouhavechosentotalkabout.Explainhowtheycommunicateandgiveexamples.Concludebyexplainingwhatwehavelearntfromtheirbehaviour.4Giveatalktotheclassaboutcommunicationbetweenlivingthings.LanguagepointsManycultureshavestoriesoftalkingtreesthatgiveadviceaswellaswarningstopeople.许多文化都有会说话的树的故事,它们给人们提供建议和警示。aswellas也;和……一样;不但……而且【语块积累】aswell

adv.

也,还有asgoodas 和……几乎一样,实际上等于……asfaras adv.

至于,直到,远到;就……而言aslongas 只要;和……一样长assoonas 一……就LanguagepointsWithuslongbelievingthattalkingplantsarefantasy,newresearchhasrevealedsomethingamazing:itappearsthatplantscancommunicateafterall.

长久以来,我们一直认为会说话的植物是幻想,而最新的研究揭示了一些令人惊奇的事情:植物似乎可以交流。【句式解构】

本句为主从复合句。句中Withuslongbelievingthat是with引导的复合结构作状语,第一个that引导的是宾语从句,第二个that引导的是主语从句,it是形式主语。Youhavenoideahowshefinishedtherelayracewithherfootwoundedsomuch.Theoldcoupleoftentakeawalkaftersupperinaparkwiththeirpetdogfollowingthem.LanguagepointsIthasbeenknownforsometimethatplantsusechemicalstocommunicatewitheachother.人们早已知晓植物之间使用化学物质进行交流。【句式解构】

本句为主从复合句。句中It为形式主语;that引导的是主语从句。ItwasobviousthatthemanagerofthecoffeeshopwaswaitingforLiFangtoleave.ItissaidthatChinesepeoplearelivingforothers,whiletheAmericansareforthemselves.常见的it作形式主语(1)it作形式主语,真正的主语是后面that引导的主语从句,常见的有:①It+be+形容词(possible,strange,natural,important...)+that从句②It+be+过去分词(said,thought,believed,supposed,reported...)+that从句③It+不及物动词(seems,occurs,happens...)+that从句④It+be+名词词组(apity,anhonour,nowonder)+that从句LanguagepointsThisislikeawarning,oracallforhelp.这就像一个警告,或者一个求助电话。callfor需要;要求【语块积累】callfor需要;要求;去接某人callin 顺便拜访;请人来帮忙;电话通知calloff 取消callon/upon 呼吁;号召callout 喊叫callup 使想起,使回忆起【即学活用】(1)语法填空。①ThetriptoItalymightbecalled___.②Thefilmcalled___memoriesofmylittlebrother.(2)Ioften______onhimattheweekend.

我经常在周末去看他。(3)Somegroupsare_________thereleaseofpoliticalprisonersinthatcountry.那个国家的一些团体要求释放那些政治犯。

offupcallincallingforLanguagepointsSomeofthesechemicalsdriveinsectsaway.其中一些化学物质可以驱赶昆虫。driveaway驱赶走【语块积累】drive

v.&n.

驾驶drivesb.to 开车送某人去……drivedownto 开车去driveoutof 驱赶出drive...off/away 驱赶走driveon 开车继续赶路drivinglicense n.

驾驶执照drivingtest n.驾驶执照考试LanguagepointsItisinsomewayssimilartotheInternetweuse.它在某些方面类似于我们使用的互联网。insomeways在某些方面;在某种程度上【语块积累】alltheway总是;一直onthe/one’sway在……路上bytheway顺便noway没门,不可能intheway挡道;妨碍makeone’sway前进inthis/thatway 以……方式innoway决不havealongwaytogo有很长的路要走inaway/inoneway/insomeway/ways在某种程度上【即学活用】(1)Jane’sgrandmotherhadwantedtowriteachildren’sbookformanyyears,butonethingoranotheralwaysgot_________.

简的祖母多年来一直想写一本儿童读物,但总是遇到这样或那样的障碍。(2)Theobstaclesfacinghimtodayare____________asbigasever.

他如今所面对的障碍,在某些方面和以往一样大。(3)Wegottherebydrivingslow__________.

我们开着车去了那里,一路上开得很慢。(4)_________amIgoingtoadoptanyofhismethods.

我绝对不会采纳他的任何方法。inthewayinsomewaysallthewayInnowayLanguagepointsButjustlikeourownInternet,thewoodwidewebhasitsownversionof“cybercrime”.但就像我们自己的互联网一样,树维网也有自己的“网络犯罪”版本。one’sown某人自己的【语块积累】own

vt.

拥有pron. 属于自己的on/byone’sown 独自,靠自己ofone’sown 属于某人自己的comeintoone’sown 获得应有的荣誉、承认、名声等holdone’sown(againstsb./sth.)坚守立场;不被击败【即学活用】(1)Itisestimatedthat40%ofhighschoolstudents_____________mobilephones.

据估计,40%的高中生有自己的手机。(2)Lookatall____________asifyoujustboughtorreceivedthemtoday.

对待你所拥有的一切,就像你今天刚刚买到或收到的一样。havetheirownthatyouownWritinganobservationaljournalReadtheobservationaljournalandanswerthequestions.

1

Howwerethedaffodilbulbsplanted?2

Inwhatenvironmentdidtheleavesgrow?3

Whatdotheflowerslooklike?Theywereplantedsidebyside

insoil,withthepointedendsfacingup.Theleavesgrewinasunny,butcoolplace.Theflowersareyellowandwhite,andshapedliketrumpets.Workinpairs.Lookatthepicturesandtalkabouthowthesunflowergrows.Nowwriteyourobservationaljournalaboutthesunflower.Onepossibleversion:Anobservationaljournalaboutthesunflower1JuneCoveredwith1-2cmofmoistsoil,thesunflowerseedtakesafewdaystocomeupafterbeingplanted.Waterhasbeenaddedregularlyandthehardseedcoatsoftensinthedampsoiltoallowthefirstroottopiercedownwardsandthefirstleavestopushtothesoilsurface.6JulyTherootcontinuestogrowdownwards.Thesinglestemgrowshollowandsmooth,revealinglargespade-shapedleavesfr