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1、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题，帮助高三学生提高阅读速度和对细节信息的分析。Teachinggoals:Languagetarg
2、et:A.Keywordsandphrase:exotic,conflict,container,restriction,datebackto,appealtoB.Keysentencesa.Collecting“exotic”plants,astheyarecalled,datesbaketotheearliesttimes.b.However,itwasnotuntiltheeighteenthandnineteenthcenturiesthattheexplorationofthebotanicalworldbeganonalargescale.c.Oneofthecollector
3、swasFatherFarges,whocollected37seedsfromatreethathasappealedtohim.d.TheEuropeanclassestookgreatinterestincollectingplants.e.Largenumbersofseedsfailedtogrowafterlongseavoyages.AbilitygoalsStudentsgetsomeinformationonplantexploration.Studentsgetthemainidea,findandinferinformationaccordingtothereadin
4、gmaterial.Studentsexpresstheirideasafterreading.Studentshelp,cooperateandcommunicatewitheachother.TeachingimportantpointsToenablestudentstounderstandthereadingmaterialbyusingpredicting,skimming,scanning,analyzing,summarizingandinferringafterreading.Teachingdifficultpoints1.Toenablestudentsmakeuseo
5、fgiveninformationtoexpresstheiropinionsonthepassage.2.Helpstudentsobservelanguagepointsandprepareforthegrammarrevision.TeachingmethodsTask-basedlearningapproach,competition,groupwork,discussionTeachingaidsMulti-mediacomputerplatform,groupcardsTeachingproceduresStep1.Lead-in(3’)A.Dividethewholeclas
6、sintosmallgroups.B.AvideoclipFocus:Toarousestudents’interestandgivethetasktostudents.Step2.Pre-reading(3’)Predictaccordingtothetitle.Theauthormaytellus_____inthispassage.A.someplantsfromothercountriesB.theeventshappeninginplantexplorationC.howtoexploreplantsD.famousplantcollectorsFocus:Studentscan
7、makepredictionafterobservingthetitlecarefully.Step3.WhilereadingPart1.FastreadingReadforthemainideaandsolvethetaskgiveninpre-reading.(Studentsworkingroupsandworkoutthequestions).Part2.Detailedreading(20’)(Student
