unit7第五课时

Unit7Whatsthehighestmountainintheworld?,SectionB11a-1d,Elephantis350cmtallweighs5,000kiloseats150kilosoffoodaday,Doyouknow?,Trytodescribetheelephantusingtheinformationabove.,Pandais150cmtall(standingontwolegs)weighs100kiloseats10kilosoffoodaday,Trytodescribethepandausingtheinformationabove.,Doyouknow?,Elephantis350cmtallweighs5,000kiloseats150kilosoffoodaday,Pandais150cmtall(standingontwolegs)weighs100kiloseats10kilosoffoodaday,这个盒子比那个盒子大三倍。,Thisboxisthreetimesbiggerthanthatone.,这本书比那本书宽四倍。,Thisbookisfourtimeswiderthanthatone。,这条河比那条河长两倍。,Thisriveristwicelongerthanthatone。,“倍数+比较级+than”，表示“比(大/小/长/短)几倍”。,这条河30米长,Thisriveris30meterslong.,那条河90米长,Thatriveris90meterslong.,那条河是这条河的3倍长,Thatriveristhreetimesaslongasthisriver.,Listenandcheck()thenumbersyouhear.,Listening,1001620501200.10.2150,1b,Task2,Listenagainandcompletethesentences.,1.Atbirth,ababypandaisabout_to_kilos.2.Atbirth,ababypandaisabout_cmlong.3.Ababypandaisnotblack.Itis_andithasno_.4.Apandacanliveupto_to_years.,0.1,0.2,15,pink,teeth,20,30,1c,Task3,Taketurnstellingyourclassmatesaboutpandas.,Practice,A:Ababypandacannotsee.B:Anadultpandaweighsmanytimesmorethanababypanda.,1d,Task4,Herearesomefactsaboutkoala,usetheinformationabovetomakesentences.,Discussion,Koalais75cmtallweighs10kiloseatsleavessleeps20hoursaday,Summary,1.cmtaller/shorter2.much/even/alittle/less+比较级,