Unit4GreenWorldI单元教学目标技能目标SkillGoals▲0Talkaboutbotany▲1Speakaboutprocedures▲2WriteadescriptionofplantsII目标语言功能句式SpeakaboutproceduresinagricultureandbotanicalscienceCanyoutellsomethingabout…?Whatisitusedfor?Canyouthinkofwaysto…?Whatkindof…doyouknow?Which(flower)isyourfavorite?Whydopeopleneedto…?Whatproblemsdid…haveincommon?Whywas/is…importantto…?Wheredo…comefrom?Whatcouldbeapossibleexplanationfor…?词汇四会词汇procedure,rose,strawberry,lemon,bunch,growth,herb,identification,male,privilege,botanical,cosy,appetite,astronomy,expense,cocoa,enterprise,settlement,straw,pineapple,tone,reward,technician,appearance,output,millimeter,merely,classify,promote,appoint,calculate,accumulate,abandon,nowhere,altogether,latter,distinguish认读词汇tulip,peony,CarlLinnaeus,DanielSolander,JosephBanks,wealth,Oceania,Tahiti,Venus,hemp,involve,Kew,classification,Oxford,CharlesDarwin,beagle,Galapagos,finch,beak,GregorMendel,GoteTuresson,dandelion词组lookoutfor,onalargescale,yearafteryear,passaway,name…after,indetail,havesomethingdone重点词汇procedure,growth,merely,herb,classify,identification,male,promote,botanical,astronomy,onalargescale,accumulate,abandon,output,distinguish,appoint,calculate语法Reviewtheobject:whatisusedastheobject;directandindirectobject重点句子Attemptshadbeenmadebyotherstoclassifyplantspeciesintogroups,butthebreakthroughcamewiththeworkofCarlLinnaeus.P30In1768,theRoyalNavyappointedJamesCookasthecommanderoftheEndeavortotakemembersoftheRoyalSocietyonanexpeditiontoTahiti.P31Healsolookedoutforneweconomicspecies:plantsthatcouldbegrowninEnglandorotherpartsoftheworldtoproducecopsthatcouldbesold.P31Bankswasthefirsttomovecropsfromonecontinenttoanotheronalargescale,helpingtodeveloplocaleconomieswiththesenewimports.P31Darwin’sobservationsonthatvoyageledhimtowritehisfamousbookOntheOriginofSpecies.P34Backhome,inEngland,Darwinrealizedthatdifferencesinhabitatcouldleadtodifferentspeciesinbirdsaswellasinplants.P34AsaresultofDarwinandMendel’sresearch,scientistsofthenineteenthcenturyformedthebeliefthattheinfluenceoftheenvironmentwasbehindthedevelopmentofnewspecies.P35Itwouldtakeanextgenerationofscientiststobringtheimportanceoftheenvironmentonspeciesbackinview.P35III教材分析与教材重组1.教材分析本单元以GreenWorld为话题，旨在通过单元教学让学生初步了解一些植物学方面的基础知识，如植物的分类、栽培以及植物学的发展历程等；并能够运用所学语言知识对相关话题进行表述。1.1WARMINGUP部分呈现了四种常见花卉的图片。旨在通过对这些图片的感知，唤醒学生对相关知识的记忆。1.2LISTENING是关于绿色植物果实的分类及其食用（药用）价值的一段录音。通过对这一段录音的学习，学生可以形成对植物果实分类知识的初步了解。1.3SPEAKING部分提供了三个讨论话题。第1个话题要求学生按照图片提示描述豆类植物的种植、培育过程。第2个话题是第1个话题的延伸和拓展，学生通过讨论，可以了解到更多的植物种植、培育过程，从而形成对部分植物特性的了解。第3个话题以生活中“送花”为例，进一步训练学生对花卉养护知识的描述能力。1.4PRE-READING以图片形式呈现了四种植物果实形态。目的在于通过对这些植物果实的感知，让学生进一步了解植物学相关知识（如植物产地、使用价值等）。并由此引导出READIGN部分的中心人物。1.5READING介绍了植物学（正式成为一门科学）的历史形成过程。重点介绍了两个为植物学发展做出过卓越贡献的重要人物林厄尼斯与班克斯。1.6POST-READING部分针对READING部分的相关内容设计了5个小练习。第1个练习以选择填空的形式考查学生对课文细节内容的了解。第...
