Unit 5 Developing ideas Reading 教学设计-2022-2023学年高中英语外研版2019选择性必修第一册

选择性必修一Unit5Developingideas-readingPage1Hello,everyone.Welcomeback.TodaywearegoingtolearnSelectiverequiredcoursebook1Unit5developingideasreadingpart.Page2Firstlet’sanalyzethematerial.本文的语篇类型为说明文，具体介绍了自然界中不同植物之间的交流方法，从而使同学们通过了解神奇的自然来增长知识。Page3通过这一板块的学习，同学们能够加深对单元主题的理解和认识，进一步走进自然、探索自然、了解自然、欣赏自然，学会与自然和谐相处。通过读前读中读后的各项课堂设计，引导同学们理解课文，掌握相关词汇，在把握文章结构的基础上明确主题，进一步了解自然，形成与自然和谐相处的积极的人生态度。Page4Nowlet’sstartourlearning.First,pleaselookatthepicturesandtalkaboutwhatplantscando.(停顿一下)Fromthefirstpicture(点鼠标),wecanseethattheplantiscatchinganinsect.Andthesecondpicture（点鼠标）isaboutaplantwhichcanshutitsleaveswhenitistouched.Andthethirdone（点鼠标）isaboutaplantwhichcansowitsownseeds.Afterwelookedatthesethreepictures,canyoutalkaboutwhatelseyouthinkthatplantscando.Iwillgiveyousometimetothinkaboutitandyoucanwritedownyouranswer.(停顿20s)Page5Haveyougotyouranswers?Iwillshowyoumine.（点鼠标）Plantscanbreathe.（点两下鼠标）Theycanspeakinmanywaysandmovewiththehelpofotherthingssuchaswindandanimals.Youranswersmaybedifferentfrommine.Page6Nowthatplantscandosomanythings,maybetheycantalkaswell.Let’sfindsomeinformationabouthowplantsspeakfromthepassage.Page7Readthepassagequicklyandfindoutthewaysinwhichplantscommunicate.(停顿一分钟，看表)Haveyoufinished？Whatarethewaystheplantscommunicate?Thefirstwayisinthethirdparagraph(点两下鼠标).Theplantsusechemicalstocommunicatewitheachother.Andthesecondwayisinthefourthparagraphwhichis(点两下鼠标)Plantsalsousesoundtocommunicate.Andthethirdwayisthat(点4下鼠标)plantshaveanamazingsystemofcommunicationthatcanlinknearlyeveryplantinaforest.Scientistscalledthatsystemthewoodwideweb.Sonowwecananswerthequestionwhatarethewaysinwhichplantscommunicate?（点鼠标）Theymaycommunicatewitheachotherbyusingchemicals,soundandwoodwideweb.Page8Afterwegetthegeneralideaofthispassage,beforewestartthecarefulreading,let’spayattentiontothestructureofit.Lookatthediagram.Itshowsusthestructureofthepassage.Fromthebeginningpartwecansee:Modernresearchisshowingwhatplantscando.Thenitusesthreeparagraphstoanalyzethethreewaysplantscommunicate.Firstone,usingchemicals.Thesecondone,usingsoundandthethirdoneisusingthewoodwideweb.Afterthemainpartofthispassage,wecometotheconclusion:maybeonedaywewillbeabletotalkwithplants.Page9Okay.Afterwegotthestructureofthispassage,readitverycarefullyandfindouttheinformationweneedtocompletethediagram.Iwillgiveyousometimetoreadthepassageverycarefullyandthenfillintheblanks.（停顿两分钟）Ithinkmostofyouhavefinishedthetask.Let’schecktheanswersonebyone.Modernresearchisshowingthatplantscan(点鼠标)communicatewitheachother.Onewayistousechemicals:theplantsreleaseschemicals(点2下鼠标)fromtheleavesthatarebeingeaten.Whenanotherplantdetectsthechemicals,itstartsto(点2下鼠标)releaseitsowndifferentchemicals.Thesecondwayistousesoundtocommunicate.Someplantsmakenoises（点鼠标）withtheirroots.Achilliplantcan(点2下鼠标)tellifaneighboringplantishelpfulorunfriendly.Andsometreesmake(点2下鼠标)clickingnoiseswhenthereisnotenoughwater,indicatingdroughtisarriving.Andthethirdwayistousethewoodwideweb.Thisfungalnetworklinks（点两下鼠标）therootsofdifferentplantstoeachother.Plantscan（点两下鼠标）shareinformationandevenfoodwitheachother.Plantscan（点两下鼠标）stealfoodfromeachotherorspreadpoisonstoattackotherplants.Page10Fromthefastreadingandcarefulreading,weknowthemainidea,thestructureanddetailedinformationofthepassage.Nowlet’scometothelanguagepoints.ThefirstoneAlexandertheGreatandMarcoPoloweresaidtohavevisitedsuchatreeinIndia。据说，亚历山大大帝和马可波罗曾在印度见过一棵会说话的树。Hereinthissentence,sb.orsth.besaidto这个结构等同于Itis/wassaidthat…是据说的意思。Forexample,Heissaidtobetherichestmanintheword.就等于Itissaidthatheistherichestmanintheworld.这两句话的意思都是，据说他是世界上最富有的人。Page11Andanotherimportantthingwearegoingtotalkaboutistohavedone不定式的完成式。不定式的一般形式todo所表示的动作通常与谓语动词同时发生或发生在谓语动词之后，如果不定式所表示的动作发生在谓语动词之前，那就要用不定式的完成式tohavedone来表示。ForexampleIamsorrytohavekeptyouwaitingforsolong，很抱歉让你等了这么久。tohavekeptyouwaitingforsolong发生在谓语动词amsorry之前，所以这里用了tohavedone的形式。Page12No.2Withuslongbelievingthattalkingplantsarefantasy,newresearchhasrevealedsomethingamazing:itappearsthatplantscancommunicateafterall，我们一直认为会说话的植物只存在于幻想之中，但新研究有了令人惊奇的发现：植物间似乎确实可以交流。在这句话的句首有一个with加名词或代词加非谓语动词的复合结构作状语，在此结构中，非谓语动词可以是不定式（表示未发生的动作），可以是现在分词形式（与前面的名词，代词构成主动关系），也可以是过去分词的形式（与前面的名词，代词构成被动关系）。Forexample，Withoverfourhundredmillionbookssoldandtranslatedintomorethanseventydifferentlanguages…4亿册书被卖光并被翻译成70多种不同的语言，with后面的book和sell，translate构成被动关系，所以用过去分词来表示。Page13No.3Thishappenswhenaplant,sayabeanplant,getsattackedbyinsects.say在这里不是说的意思，而是比如说，用来举例子。Forexample：Let‘stakeanywriter,sayDickens…我们随便举一个作家为例，比如说狄更斯…Page14No.4Usingthewoodwideweb,plantscanshareinformationandevenfoodwitheachother.通过使用植物万维网，植物们可以分享信息甚至食物，Usingthewoodwideweb做句子的方式状语,句子的主语plants和use这个动作是主动关系，因此，用现在分词using来表示他们之间的主动关系，要和我们之前讲的动名词做主语区分开。Page15Forexample，Whenseeingthemaincharacterscomeonstage，Iwassurprised.当看到主角们上台时，我很吃惊。在这句话当中，主语I和表示句子时间状语的动词see是主动关系，因此用seeing来表示这个主动关系Page16No.5Scientistsarelearningmoreeverydayaboutthesecretwaysinwhichplantstalktoeachother.科学家们每天都在增进对植物间相互沟通的秘密方式的了解。此句中的theway做先行词,后面的从句可以用关系词that或inwhich来引导，或者关系词可以省略，例如ThefunniestthingaboutCharlieChaplinwasthewayhewalkedwhenhewasactingasTramp.卓别林最幽默的事就是他扮演Tramp时走路的方式。Page17Afterweanalyzethepassageandlearnthelanguagepointsinit,Ihopewecanusethemtotalkaboutourownideas.Let’spracticetheknowledgewehavelearnttoday.Readtheintroductiontowhatpersonificationisandthinkaboutthereasonwhytheauthorusedthisfigureofspeechtowritethispassage.（停顿十秒）Fromlearningtolearnpart,weknowthatpersonificationreferstoafigureofspeechwhichgiveshumancharacteristicstosomethingthatisnothuman。Andtheauthorusedittodescribetheplants’communicationtomakethedescriptionsmorevivid。说明文的语言比较简练，平实，但有时不免显得枯燥，我们可以使用拟人这样的修辞手法来增加语言的趣味性Page18Socanyoufindsomesentencesinthetextusingpersonificationtodescribetheplants?(停顿十秒)Page19Ifindsomesentenceswhichusedpersonificationtomakethelanguagemorevivid.No.1Thisislikeawarning,oracallforhelp:I’mbeingattacked.”HereI’mbeingattackedisusingthepersonification.AndinChinesewesay这像是警示，抑或求助：“我被袭击了”。Weknowthattheplantcan’tspeakbuttheyusechemicalstocommunicate所以这里的打出求助信号：我被袭击了是一种拟人的修辞手法。No.2Theyalsolistentothenoisesfromotherplants。他们也倾听来自其他植物的声音。Plantsdonothaveears,sotheycan’tlisten.所以这里的倾听也是一种拟人的手法。No.3Maybeonedaywewillknowenoughaboutplantcommunicationtobeabletotalkwiththemourselves，或许有一天，我们会足够了解植物之间的交流，从而亲自和植物聊天了。Heretheplantscannottalkbuttheyhavetheirownwaytocommunicate.用talk来描述不能说话的植物，也是一种拟人的手法。Page20Weknowwhatpersonificationisandexplaineditwiththeexamplesfromthetext.Nowwecanusepersonificationtorewritethesesentencesbelowabouthowtheplantscommunicate.Firstlookattheexample当受到外界刺激时，这种植物会发生应激反应。Ifwedon’tusepersonification,wecanputthatsentenceintothisplantwillhaveastressresponsewhenitisstimulatedbytheoutsideworld.这里我们并没有使用拟人手法。那么我们可以把这句话改写成为（点鼠标）whentouched,theplantwillloweritsheadshyly.在这里，我们使用拟人手法来表现出当这种植物受到外界刺激时所发出的反应，像人一样害羞的低下了头。Page21No.1当这种植物受到昆虫的攻击时，它会迅速把这个信息传递给同伴。Ifwedon’tusepersonification,wecanputthissentenceintoWhentheplantisattackedbyinsects,itwillquicklyconveythemessagetohisneighbors.Butifyouwanttomakethesentencemorevivid,（点鼠标）wecansay“Feeling”thepaincausedbyinsects,theplant“tells”thismessagetoitsneighbors.在这句话当中，我们使用feel感觉到和tell告诉这样的词，来把植物受到昆虫攻击时，向同伴传递信息的动作拟人化，显得语言更加生动。Page22No.2当这种树内部缺乏水分时，它就会发出声响来引起外界的注意。如果我们不使用拟人的手法，我们可以把这句话翻译成为Whenthetreelackswaterinside,itwillmakeanoisetoattractattention。但是如果我们想使句子听上去更加的生动形象，我们就可以这样写（点鼠标）Whenthetreeisthirty，itwillshouttogetnoticed。当树渴了的时候，它会大喊来吸引别人的注意，是不是更生动有趣呢？Page23Numberthree一些松树可以利用植物万维网运送食物给那些幼小的植株。如果不使用拟人手法，我们可以说，Somepinetreescanusethewoodwidewebtosendfoodtosmallerpinetrees。在这个句子当中，语言略显平淡，那么我们可以把它改写成为（点鼠标）somepinetreesfeedthelittleonesthroughthewoodwideweb，此处我们可以用feed这个词形象地描述大的松树如何去把食物运送给小松树。Page24OK.Weknowhowtousepersonificationtodescribeplants’communication.Nowlet’sputtheseknowledgeintopracticaluse.Page25Giveatalkaboutcommunicationbetweenlivingthings.Howtogiveatalk?Thefirststepistoreadthepassageagainandtalkabouthowplantscommunicate.Page26Step2.Thinkaboutanddiscussthefollowingwaysofcommunicationintheanimalworld.Whatotherwayscanyouthinkof?Suchasbeesdancetosignaltootherbeesthattheyhavefoundfood.Andantscommunicatewitheachotherthroughtouch,chemicalsignals,movingtheirbodiesandevenusingtheirlegstomakesounds.Page27Step3.Organizeyourideasfollowingthestepsbelow.Firstyoushouldbeginwithwhatlivingthingsyouhavechosentotalkabout.Andthenexplainhowtheycommunicateandgiveexamples.Atlastyoushouldconcludebyexplainingwhatwehavelearnedfromtheirbehavior.Afterthat,youcangiveyourtalktotheclass.NowIwillgiveyousometimetoorganizetheinformationforyourtalk.（停顿1分钟，看表）Haveyougottheinformationyouneed？NowIwillshowyoumyspeechdraft.Herespeechdraftmeans发言稿。Page28TodayIwilltalkaboutthesecretlanguageofanimals.Ashumansusevocallanguagestocommunicate,otheranimalshavetheirownwaystocommunicate.Ithasbeenknownforsometimethatanimalsusesoundtocommunicatewitheachother.Frogsusetheirpouches(音囊）tomake