Unit2IwasontheedgeoftheGrandCanyon.ⅠTeachingmodelReadingandwritingⅡTeachingmethodBottom-upapproachⅢTeachingaimsKeywords:natural,light,reply,rock,clear,rise–rose-risen,ground,below,edge,bottom,canyon,top,disappear,distance,hugeKeyPhrases:getoutof;lookover,ontheedgeof,atthebottomofⅣTeachingaidsOHP,taperecorderⅤTeachingStepsStep1Warming-up1.Showsomepicturesandtalksomethingaboutthepictures.2.Workinpairs.Workinpairs.Canyouthinkofanywondersoftheworld?Talkabout:3.Introducethenewwords.Step2:Reading1.Readthepassageanddescribewhatyoucanseeinthephoto.UsesomeofthewordsinActivity1.2.Playthetapeandhavethemreadandfollow.Step3Doexercises1.ChoosethebestanswerinActivity3.1)Wheredoesthepassagemostlikelycomefrom?a)Aguidebook.b)Atextbook.c)Adictionaryd)Adiary.2)Whywastherenothingtosee?a)Becausetherewasnothing.1b)Becauseitwastoodark.c)Becauseitwasraining.d)Becauseitwasinthemorning.3)WherewasthewriterfacingontheedgeoftheGrandCanyon?a)Tothesouth.b)Tothenorth.c)Totheeast.d)Tothewest.4)Whatisthewriter'spurposeinwritingthispassage?a)TogivefactsabouttheGrandCanyon.b)TotellhowhefeelsabouttheGrandCanyon.c)TointroducetheGrandCanyon.d)TotellpeopletovisittheGrandCanyon.2.MatchthewordsintheboxwiththeirmeaningsinActivity4.3.CompletethetablewithfactsabouttheGrandCanyoninActivity5.Step4Explaintheimportantanddifficultpoints1.Thesunrosebehindmeandbeyondtherocks.Isawthatthegroundfellawayanddowntoariver,farbelowme.太阳从位于我身后的岩石远处升起.我看到地面沉降至下面深谷中的一条河里.2.IwasontheedgeoftheGrandCanyon,oneofthewondersofthenaturalworld.我站在大峡谷边缘,它是自然界中的奇观之一.3.IlookeddowntotheColoradoRiverabout2,000metresbelowme.我俯视着距我两千多米之遥的科罗拉多河.ThenIlookedacrosstoothersideofthecanyon.然后,我眺望峡谷的另一边.Finally,Ilookedtomyleftandtomyright.......最后,我向左右遥望......在上面这三个句子中,look和不同的介词/副词组成不同的词组,有着不同的意思.lookdown表示“向下看”;lookacross表示"向对面看";looktoone'sleft表示"向某人左侧看".还有很多介词/副词可以和look这个动词组成词组,如;2Lookoverthere---there'sarainbow!看那边!彩虹!Shelookedupandsmiledatme.她抬起头来,冲我笑了笑.4.LearningtolearnStep5Writing1．Makeatablewithfactsabout:theChangjiangRivertheGreatWall2．Imagineyouhaveseenoneofthewondersoftheworld.Writesentencesdescribinghowyoufeltwhenyousawitforthefirsttime.Step6HomeworkFinishtheexercisesintheworkbookEx.5,6,7&8.3
