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1、2019-2020年高中英语Unit4《Exploringplants》教案（1）新人教版选修9教学内容：Plantexplorationinthe18thand19thcenturies语言材料分析：本册书针对的是高三学生。本节为本单元第二课时，主要介绍了欧洲18和19世纪的植物探险。本文简要地介绍一些著名的探险家和他们所取得的成果。文章属于总─分的结构。通过本文的学习，学生可以扩大视野，了解一些植物探险方面的知识。但是这篇文章篇幅上很长，信息量很大对学生理解该文造成了一定的难度。因此，在本课前要考虑这一问
2、题，帮助高三学生提高阅读速度和对细节信息的分析。Teachinggoals:Languagetarget:A.Keywordsandphrase:exotic,conflict,container,restriction,datebackto,appealtoB.Keysentencesa.Collecting“exotic”plants,astheyarecalled,datesbaketotheearliesttimes.b.However,itwasnotuntiltheeighteenthandnin
3、eteenthcenturiesthattheexplorationofthebotanicalworldbeganonalargescale.c.OneofthecollectorswasFatherFarges,whocollected37seedsfromatreethathasappealedtohim.d.TheEuropeanclassestookgreatinterestincollectingplants.e.Largenumbersofseedsfailedtogrowafterlongse
4、avoyages.AbilitygoalsStudentsgetsomeinformationonplantexploration.Studentsgetthemainidea,findandinferinformationaccordingtothereadingmaterial.Studentsexpresstheirideasafterreading.Studentshelp,cooperateandmunicatewitheachother.TeachingimportantpointsToenabl
5、estudentstounderstandthereadingmaterialbyusingpredicting,skimming,scanning,analyzing,summarizingandinferringafterreading.Teachingdifficultpoints1.Toenablestudentsmakeuseofgiveninformationtoexpresstheiropinionsonthepassage.2.Helpstudentsobservelanguagepoints
6、andprepareforthegrammarrevision.TeachingmethodsTask-basedlearningapproach,petition,groupwork,discussionTeachingaidsMulti-mediaputerplatform,groupcardsTeachingproceduresStep1.Lead-in(3’)A.Dividethewholeclassintosmallgroups.B.AvideoclipFocus:Toarousestudents’
7、interestandgivethetasktostudents.Step2.Pre-reading(3’)Predictaccordingtothetitle.Theauthormaytellus_____inthispassage.A.someplantsfromothercountriesB.theeventshappeninginplantexplorationC.howtoexploreplantsD.famousplantcollectorsFocus:Studentscanmakepredict
8、ionafterobservingthetitlecarefully.Step3.WhilereadingPart1.FastreadingReadforthemainideaandsolvethetaskgiveninpre-reading.(Studentsworkingroupsandworkoutthequestions).Part2.Detailedreading(20’)(Student
