Unit3Oursilentfriends教學(xué)設(shè)計(jì)單元名稱Unit3Treeandus教學(xué)課時(shí)閱讀：Oursilentfriends語(yǔ)篇分析What文本講述了樹(shù)木對(duì)地球上各種生物的作用以及面臨的問(wèn)題。Why通過(guò)學(xué)習(xí)樹(shù)木的作用，學(xué)生可以更進(jìn)一步理解樹(shù)木如何為動(dòng)植物以及人類提供便利，意識(shí)到樹(shù)木的重要性；通過(guò)了解樹(shù)木的現(xiàn)狀，學(xué)生能夠意識(shí)到目前的環(huán)境問(wèn)題，樹(shù)立環(huán)保意識(shí)并采取實(shí)際行動(dòng)保護(hù)樹(shù)木和地球。How此語(yǔ)篇體裁為說(shuō)明文，依次介紹了樹(shù)木的重要性、樹(shù)木為人類提供的便利以及正面臨的問(wèn)題。首先，文章從樹(shù)木如何幫助動(dòng)植物、昆蟲(chóng)以及人類來(lái)說(shuō)明樹(shù)木的重要性；隨后，文章以文具、家具、水果等日常物品為例，證實(shí)了樹(shù)木讓人們的生活更加方便；最后，文章指出了人類對(duì)樹(shù)林造成的破壞，在文末，作者號(hào)召大家采取更多措施保護(hù)樹(shù)木和地球。教學(xué)目標(biāo)Afterthisperiod,studentsareexpectedto:Graspthenewwordsinthearticle.Learnabouthowtreeshelpalllivingthingsontheearth.Beabletotellfactsfromopinions.Knowabouttheenvironmentalproblemsandfigureoutsomewaystohelpprotecttreesandtheplanet.教學(xué)重難點(diǎn)ImportantpointsStudentscanlearnabouthowtreeshelpalllivingthingsontheearthandtheproblemstreesarefacing.Studentsareabletograspcorewordsandexpressions.DifficultpointsStudentscansummarizethemaincontentsofthearticleandfigureoutsomewaystohelpprotectthem.教學(xué)過(guò)程教學(xué)目標(biāo)學(xué)習(xí)活動(dòng)效果評(píng)價(jià)了解樹(shù)木的成長(zhǎng)過(guò)程，初步思考環(huán)境問(wèn)題Activity1WatchandtalkWatchavideoabouttreesandtalkaboutthequestions.Q1:Howlongdoesittakeatreetogrowup?Q2:Shouldwecutdowntrees?Why?1.Activatestudents’interestinthislesson.2.Makestudentsthinkabouttheproblemtressarefacing.掌握有關(guān)樹(shù)木的基本知識(shí)以及相關(guān)詞匯Activity2Prereading1.Speakoutwhattheyknowabouttrees.2.Recognizethedifferentpartsofatree.1.Activatestudents’previousknowledgeabouttrees.2.Makesurestudentsknowaboutsomebasicwordsabouttrees.理解文章結(jié)構(gòu)和大意Activity3FastreadingSkimthearticleandmatchthemainideaswitheachparagraph.Leadstudentstohaveageneralunderstandingaboutthetext.獲取文章關(guān)鍵信息，概括主要內(nèi)容Activity4Carefulreading1.Readparagraph1andanswerthequestion.Q:Howdowetreatoursilentfriends?2.Readparagraph2andpletethetabletoexplainwhytreesareimportant.3.Readparagraph3andfindouttheexamplesthatwecangetfromtrees.4.Readparagraph4andanswerthequestion.Q:Whatproblemsaretreesfacing?1.Helpstudentslearnaboutthewritinglogicofthepassage.2.Guidestudentstograspcorewordsandthewritingintentionoftheauthor.學(xué)會(huì)使用閱讀策略Activity5PairworkReadthearticleagainanddiscusswithyourpartnertotelleachofthestatementsisafactoranopinion.Trytofindoutthedifferencebetweenfactsandopinions.Helpstudentsfurtherunderstandthefactsabouttrees.Guidestudentstograspreadingstrategy.意識(shí)到濫砍濫伐造成的環(huán)境問(wèn)題Activity6ExtendedreadingReadthepassageandanswerthequestion.Q:Whatproblemsarecausedbecausepeoplearecuttingdowntrees?Leadstudentstolearnextensivelyabouttheproblemscausedbydeforestation.提出保護(hù)樹(shù)木，拯救地球的措施Activity7GroupworkDiscusswithgroupmemberstofigureoutsomewaystoprotecttreesandsavetheearth.1.Guidestudentstocooperatewithothers.2.Activatestudents’deepthinking.能根據(jù)提示總結(jié)文章主要內(nèi)容Activity8RetellingDescribethestoryoftreesandwhatyouhopepeopletodointhefirstperson.1.Encouragestudentstoexpressinanorganizedway.2.Guidestudentstosummarizewhatthey’velearnedinthislesson.評(píng)價(jià)知識(shí)掌握程度Activity9SelfassessmentEvaluatehowwellyouknowaboutthislesson.Helpstudentsrecognizetheirperformanceandgainsinthisclass.課后作業(yè)作業(yè)內(nèi)容設(shè)計(jì)意圖Mustdo:Writeanarticleabouttheproblemstreesarefacingandthesolutionsto