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1、Lesson27:PlanetDanny【学习目标】矢口识目标:telescope,solar,certainly,unless,double,mystery;solarsystem,atnight,evenif,lookthrough,comeout,beworth+n.,beworth+v.-ing;Helooksthroughthetelescope.2.3.MaybeBrianand1canjoinyouaftersupper.Tdon'tthinkyoucanfindoneunlessyouhaveabiggertelescope.
2、4.Actually,doublethesizeofyourhouse.5.Well,it'sworthatry,evenifIdon"tfindaplanet.能力目标:Learnaboutthesolarsystemandhowtousethetelescope.情感目标:Keepontrying,andyouwillsucceed.【重点及难点】Learnaboutthesolarsystemandhowtousethetelescope・【导学过程】一、自主预习【预习指导】1.自学教材第27单词与词组,你可以听录音跟读,根据音标读,或
3、者请教别人读。做到发音标准,弄清词性和汉语意思。2.自学教材,仔细读课文至少三遍,弄清课文大意。用横线划出文中的重要句子。【自主学习】1.认读识记本课单词和短语。2.预习本课课文,完成Exercise1and3onpage71。3.写出下列单词的词义和词性。telescopesolarcertainlyunlessdoublemystery4.翻译下列短语。1)solarsystem2)atnight3)evenif4)lookthrough5)beworth+n・/beworth+v.一ing.在自学过程中,你还有哪些疑惑在文中用线画出来,
4、并把它写下來,和你的同伴交流。二、合作探究Task1.读课文,想一想下面的三个问题。(1)CanDannyusethetelescope?(2)CanDannyseeanystarsorplanetswiththetelescope?Why?(3)WhatisDannytryingtodo?Task2.ListentothedialogueandworkoutLet'sDoTt2・Task3.再读课文,讨论并检查Exercise1and3onpage71是否正确。Task4.小组讨论导学案上的LanguageNotes。Task5.分组讨论,
5、完成Lot'sDoIt4。三、交流展示LanguageNotes:1.Dannyturnsthetelescopearoundandlooksthroughitagain.丹尼把望远镜掉过头来,又从里面望去。turnaround/round调转方向;转身e.g.Whydidtheyturntheirdesksaround?他们为什么把书桌放反了?2.Idon,tthinkyoucanfindoneunlessyouhaveabiggertelescope.我认为你发现不了星星,除非你有一个大一点的望远镜。本句>Punless是连词,意思是“除
6、非,如果不”;由unless引导的条件状语从句既可以是真实条件,也可以是非真实条件。作为真实条件分句,unless通常相当于if……not。例如:Wewon,tbeabletoreachthetopofthemountainunlesstheweatherchanges.(=iftheweatherdoesn,tchange)1.Actually,doublethesizeofyourhouse!实际上,是你房子大小的两倍。double作动词,意为“使加倍,翻倍”。如:Thenumberofthehousesheremaydoublein5y
7、ears.五年内这里的房屋数量可能会翻倍。double作形容词,意为“双倍的、两倍的、两用的”,在句中作定语或表语。如:We'dlikeadoubleroom.我们想要一个双人间。2.Well,it'sworthatry,evenifIdon,tfindaplanet・好吧,这值得一试,即使我找不到一颗行星。①worth意思是"相当价值;值得”:常用beworth+n./doing形式。e.g.Thebookisworth20dollars.这本书值20美元。Thestampisnotworthcollecting.这张邮票不值得收藏。②ev
8、enif从属连词,表示假设情况,意思是“即使…….”,引导让步状语从句。e.g.HewasstillworkinghardatEnglish,evenifhewas