八年级英语下册_unit 7 what’s the highest mountain in the world section a（1a-2b）课件 （新版）人教新目标版

Unit7Whatsthehighestmountainintheworld?,Letsenjoythebeautyofnature!,mountain,desert,river,lake,ocean,freshlake,saltlake,Geographicfacts地理常识,thelongestriver,(have)thebiggestpopulation,thehighestmountain,thebiggestcountry,thebiggestdesert,thebiggestsaltlake,thebiggestocean,thebiggestcontinent,1.TheNile2.TheAmazon3.YangtzeRiver,RussiaCanadaChina,TheSahara,TheCaspianSea,Asia,ThePacificOcean,ChinaIndiaAmerica,6,600kilometerslong,9.6million(百万)squarekilometers(km),8,844metershigh,1.3billion(十亿),Qomolangma,大陆,Doyouknowtheseplacesofinterest?,Qomolangmarunsalongtheborder(边界)betweenChinaandNepal.Itiscoveredwithsnowalltheyearround.Its8844.43high,thehighestintheworld.Its26kilometerslong.zxxk,Qomolangma,珠穆朗玛峰,8,844.43metershigh,TheNileisthelongestriverintheworld.Itsmorethan6600kilometerslong.Itrunsthrough9countries,itsoneofthelargestriverflowsthroughtheinternationalstatesintheworldandrunsintotheMediterraneanSea(地中海)intheend.,theNile,尼罗河,6,671kilometerslong,TheCaspianSeaisthebiggestlakeintheworld.ItliesintheborderbetweenAsiaandEurope.,theCaspianSea,里海,1,025metersdeep,TheSaharaisthebiggestdesertintheworld.ItisinthenorthernAfrica,撒哈拉沙漠,theSahara,9,600squarekilometersinsize,TheYangtzeRiveristhethirdlongestriverintheworld.Its6211.31kilometerslong.,theYangtzeRiver,长江,Sofar,youhaveknownsomegeographicalfacts.Pleasematchthefactsin1a.,di:rfkl,1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,higher,thebiggest,thedeepest,thelongest,1bListenandcompletethesentences.,Chinaisoneoftheoldestcountries.Itsover_yearsold.Infact,itsoneofthefourancient(古老的)countriesintheworld.,5,000,AsChinese,howmuchdoyouknowaboutourmotherland?,AsChinese,howmuchdoyouknowaboutourmotherland(祖国)?,theGreatWall,thebiggestcountryinAsia,ChinahasthelargestPopulation(人口)ontheearth.Therearesomanytouristsvisiting_,TheYangtzeRiverisabout6,300kilometers_.Itisthethird_riverintheworld.Itisthe_riverinAsia.,TheYangtzeRiver,longest,long,longest,CanyoutellmeabitmoreaboutChina?,Sure.,Mike,Listenandnumberthefacts1-4intheorderyouhearthem.,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,2a,1,4,3,2,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,Listenagainandfillintheblanksin2awiththenumbersinthebox.,2b,6,300,5,464,5,000,300,6,3005,0005,464300,1,4,3,2,A.长度、宽度、高度、深度的表示法，有一个专门的结构，那就是“基数词+单位词+形容词(longwidehighdeep)”,48米高48metershigh25米深25metersdeep61千米长61kilometerslong一个25米深的湖a25-meter-deeplake这座绿色长城长7,000公里。TheGreenGreatWallis7,000kilometerslong.,1.这张桌子两米长，一米宽。2.这座山有1500米高。3.这栋楼120米高。4.这本字典有五厘米厚。5.这个湖有多深？1025米深。,Thetableistwometerslongandonemeterwide.,Themountainis1,500metershigh.,Thebuildingis120meterstall.,Thedictionaryisfivecentimetersthick.,Howdeepisthelake?Its1,o25metersdeep.,教室有25英尺长，20英尺宽。Theclassroomwas25feetinl