英语人教版八年级下册unit7第一课时.ppt

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1、Unit7What’sthehighestmountainintheworld?SectionAPeriodOnesquaremeterdeepdesertpopulationAsiafeelfreetourn.平方；正方形n.(=metre)米；公尺adj.深的；纵深的n.沙漠n.人口；人口数量n.亚洲(可以)随便(做某事)n.&v.旅行；旅游WordsReview单击播放录音touristwallamazingancientprotectwideasfarasIknowman-maden.旅行者；观光者n.墙adj.令人大为惊奇的；令人惊喜(或惊叹)的adj.古代的；古

2、老的v.保护；防护adj.宽的；宽阔的就我所知adj.人造的WordsReview后缀-ist表示“……的人”合成词n.+V-ed:man+madeMatchthefactsyouknow.1aQomolangmaTheSaharaTheCaspianSeaTheNileabout9,600,000squarekilometersinsize1,025metersdeep6,671kilometerslong8,844.43metershighQomolangmaEnjoythepictures.TheCaspianSeaTheNileTheSaharaFillinthemi

3、ssingadjectivesthatwilldescribeeachplace.MountainRiverSea/LakeDesertFeatureMostLeastThinkabout:Whatfeatureofamountain,river,etc.ismostobvious?Whatwordcandescribethetwoextremesbest?heightlengthdepthareahighest/tallestlowest/shortestlongestshortestdeepestshallowestbiggestsmallestPredict:Whatw

4、illbefilledintheblanks?Listenandcompletethesentences.Qomolangmais______thananyothermountainintheworld.TheSaharais__________desertintheworld.TheCaspianSeais_________ofallthesaltlakes.TheNileis_________riverintheworld.1bhigherthebiggestthedeepestthelongestDescribethefourplacesaccordingtothein

5、formationin1aand1b.Forexample:Qomolangmaishigherthananyothermountainintheworld.Itis8,844.43metershigh.A:Whatisthehighestmountainintheworld?B:Qomolangma.1cPairworkUsetheinformationin1btomakeconversations.Forexample:A:Whatisthebiggestdesertintheworld?B:TheSahara.Example1:A:Whatisthelongestriv

6、erintheworld?B:TheNile.Example2:Readthenumbersbelow.5,0006,3005,465300Makeasmanysentencesasyoucantocomparethefournumbers.sixthousandandthreehundredfivethousand,fourhundredandsixty-fivefivethousandthreehundredForexample:6,300isthebiggest/largestnumber.Listenandnumberthefacts[1-4]intheorderyo

7、uhearthem.__TheYangtzeRiverisabout_____kilometerslongandtheYellowRiveris________kilometerslong.__Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.__Chinaisover_____yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven___ye