英语人教版八年级下册unit 7 section 1a-1d.ppt

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1、Unit7Unit7What'sthehighestmountainintheworld?SectionA11a—2dPresentationYesterdaywetalkedaboutfairytale,todaywewiitalkaboutthenature.forexample,themoutains,thelakesandtheriversandsoon.Doyouknowtheseplaces?QomolangmaQomolangmarunsalongtheborderbetweenChinaandNepal.Itiscoveredwithsnowallt

2、heyearround.It’s8844.43high,thehighestintheworld.It’s26kilometerslong.TheNileisthelongestriverintheworld.It’smorethan6600kilometerslong.Itrunsthrough9countries,it’soneofthelargestriverflowsthroughtheinternationalstatesintheworldandrunsintotheMediterraneanSea(地中海)intheend.theNiletheCasp

3、ianSeaTheCaspianSeaisthebiggestlakeintheworld.ItliesintheborderbetweenAsiaandEurope.TheSaharaisthebiggestdesertintheworld.ItislocatedinthenorthernAfrica,climateconditionsareverybad,isoneoftheearth'smostnotsuitableforbiologicalsurvival.theSaharaWhichisthehighestmountainintheworld?Whichi

4、sthelongestriverinAsia?...…Talkaboutthesepicturesinpairs.1aMatchthefactsyouknow.A:HowhighisQomolangma?B:It’s8,844.43metershigh.PracticeThebiggestdesertintheworldisabout9,600,000squarekilometersinsize.HowbigistheSahara?It’sabout9,600,000squarekilometersinsize.1bListenandcompletethesente

5、nces.1.Qomolangmais______thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongest2aListenandnumberthefacts(1-4)intheorderyouhearthem.___TheYangtzeRive

6、risabout____kilometerslongandtheYellowRiveris___kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.___Chinaisover___yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven___yearsold.___ChinaisalmostasbigastheUS,anditisthebiggestcountryinAs

7、ia.42132bListenagainandfillintheblankswiththenumbersinthebox.6,3005,0005,464300___TheYangtzeRiverisabout____kilometerslongandtheYellowRiveris______kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.___Chinaisover_____yearsold.Ithasamuchlon